Mercurial > MadButterfly

annotate src/graph_engine_skia.cpp @ 880:ac3e8492ad74 abs_n_rel_center

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Formalize path data for MadButterfly. Inkscape and other editors would omit 'l' or 'L' after 'm' or 'M'. MadButterfly can not handle it, now. So, we work around it at SVG parser.
author Thinker K.F. Li <thinker@codemud.net>
date Sat, 25 Sep 2010 18:46:37 +0800
parents 586e50f82c1f
children 7b4e80ab671a
rev   line source
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586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
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1 // -*- indent-tabs-mode: t; tab-width: 8; c-basic-offset: 4; -*-
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2 // vim: sw=4:ts=8:sts=4
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3 /*! \page ge_layer Graphic Engine Layer
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4 *
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5 * Graphic Engine Layer is an abstract of graphic engine; likes Cairo
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6 * and Skia. It provides portability for the rest of MadButterfly.
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7 *
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8 * The basic stratage of interface of graphic engine layer is defined
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9 * according purpose of MadButterfly. For example, MadButterfly wants
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10 * a function that can clear a canvas, we define a clear function.
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11 * Never define a indirectly way to finish the function. Never define
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12 * a way to finish the function for the reason that some engine
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13 * require you to finish the task in that procedure. It avoids
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14 * binding graphic engine layer with any behavior of a graphic engine,
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15 * and provides more compatible with other engines, to define
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16 * interface of graphic engine layer according purpose of
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17 * MadButterfly.
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18 *
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19 * \section ge_mem Graphic Engine Layer Memory Management
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20 *
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21 * MadButterfly is responsible for management of objects and memory
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22 * blocks returned by graphic engine layer, even for graphic engines
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23 * that have management model. MadButterfly supposes memory blocks
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24 * only be released when they are no more used. MadBufferfly is
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25 * responsible for release them. So, even a graphic engine has
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26 * reference count with objects, MadButterfly still keep a reference
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27 * for every object returned by the engine until no one will use it.
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28 *
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29 * \section ge_transform Transformation of Coordination System
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30 *
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31 * Points of pathes are transformed when it is added to the canvas
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32 * with the transformation matrix at the time. So, changes of
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33 * transformation matrix of an canvas will not affect points that had
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34 * been added. It only affects points been added when the matrix is
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35 * setted.
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36 */
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37 #include <stdio.h>
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38 #include <SkCanvas.h>
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39 #include <SkBitmap.h>
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40 #include <SkRegion.h>
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41 #include <SkShader.h>
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42 #include <SkDevice.h>
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43 #include <SkGradientShader.h>
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44 #include <SkXfermode.h>
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45 #include <SkColorFilter.h>
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46
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47 #define C_START extern "C" {
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48 #define C_END }
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49
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50 C_START
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51
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52 #include "mb_graph_engine_skia.h"
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53 #include "mb_shapes.h"
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54 #include "mb_img_ldr.h"
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55
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56 /*! \brief Source pattern
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57 *
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58 * For Skia, source pattern is SkShader with some decoration. Since
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59 * SkShade will repeative tiling or extenting edge color, it can not
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60 * stop tiling and extenting for fixed size bitmap. So, we need to
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61 * translate mbe_paint() into a drawing of a rectangle.
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62 */
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63 struct _mbe_pattern_t {
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64 SkShader *shader;
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65 int w, h;
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66 int has_size;
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67 co_aix matrix[6];
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68 };
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69
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70 struct _mbe_scaled_font_t {
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71 struct _mb_font_face_t *face;
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72 co_aix fnt_mtx[6];
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73 co_aix ctm[6];
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74 };
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75 struct _mbe_font_face_t {};
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76 /*! \brief MadButterfly Graphic Engine Context.
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77 *
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78 * A context comprises source pattern, target surface, path,
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79 * line-width, and transform matrix.
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80 */
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81 struct _mbe_t {
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82 SkCanvas *canvas;
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83 SkPath *path, *subpath;
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84 SkPaint *paint;
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85 SkRegion *saved_region;
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86
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87 struct _mbe_states_t *states;
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88 };
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89
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90 struct _mbe_states_t {
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91 mbe_pattern_t *ptn;
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92 int ptn_owned;
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93 co_aix line_width;
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94 co_aix matrix[6];
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95 struct _mbe_states_t *next;
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96 };
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97
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98 #ifndef ASSERT
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99 #define ASSERT(x)
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100 #endif
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101
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102 #define PI 3.1415926535897931
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103
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104 #define CO_AIX_2_SKSCALAR(a) ((SkScalar)a)
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105 #define SKSCALAR_2_CO_AIX(a) ((co_aix)(a))
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106 #define MB_MATRIX_2_SKMATRIX(sk, mb) { \
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107 (sk).setScaleX(CO_AIX_2_SKSCALAR((mb)[0])); \
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108 (sk).setSkewX(CO_AIX_2_SKSCALAR((mb)[1])); \
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109 (sk).setTranslateX(CO_AIX_2_SKSCALAR((mb)[2])); \
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110 (sk).setSkewY(CO_AIX_2_SKSCALAR((mb)[3])); \
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111 (sk).setScaleY(CO_AIX_2_SKSCALAR((mb)[4])); \
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112 (sk).setTranslateY(CO_AIX_2_SKSCALAR((mb)[5])); \
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113 (sk).setPerspX(0); \
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114 (sk).setPerspY(0); \
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115 (sk).set(SkMatrix::kMPersp2, 1); \
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116 }
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117 #define SKMATRIX_2_MB_MATRIX(mb, sk) { \
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118 (mb)[0] = SKSCALAR_2_CO_AIX((sk).getScaleX()); \
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119 (mb)[1] = SKSCALAR_2_CO_AIX((sk).getSkewX()); \
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120 (mb)[2] = SKSCALAR_2_CO_AIX((sk).getTranslateX()); \
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121 (mb)[3] = SKSCALAR_2_CO_AIX((sk).getSkewY()); \
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122 (mb)[4] = SKSCALAR_2_CO_AIX((sk).getScaleY()); \
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123 (mb)[5] = SKSCALAR_2_CO_AIX((sk).getTranslateY()); \
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124 }
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125 #define MBSTOP_2_SKCOLOR(c) \
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126 ((((int)((c)->a * 255)) << 24) | \
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127 (((int)((c)->r * 255)) << 16) | \
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128 (((int)((c)->g * 255)) << 8) | \
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129 (((int)((c)->b * 255))))
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130 #define MB_CO_COMP_2_SK(c) (((int)((c) * 255)) & 0xff)
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131
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132 static const co_aix id_matrix[6] = { 1, 0, 0, 0, 1, 0 };
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133
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134 static void
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135 _prepare_sized_pattern(mbe_t *mbe, mbe_pattern_t *ptn) {
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136 SkCanvas *canvas = mbe->canvas;
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137 SkPath path;
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138 co_aix x, y;
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139 co_aix reverse[6];
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140
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141 *mbe->saved_region = canvas->getTotalClip();
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142
482
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143 compute_reverse(ptn->matrix, reverse);
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144 x = 0; y = 0;
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145 matrix_trans_pos(reverse, &x, &y);
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146 path.moveTo(CO_AIX_2_SKSCALAR(x), CO_AIX_2_SKSCALAR(y));
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147 x = 0; y = ptn->h;
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148 matrix_trans_pos(reverse, &x, &y);
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149 path.moveTo(CO_AIX_2_SKSCALAR(x), CO_AIX_2_SKSCALAR(y));
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150 x = ptn->w; y = ptn->h;
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151 matrix_trans_pos(reverse, &x, &y);
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152 path.moveTo(CO_AIX_2_SKSCALAR(x), CO_AIX_2_SKSCALAR(y));
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153 path.close();
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154
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155 canvas->clipPath(path, SkRegion::kIntersect_Op);
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156 }
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157
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158 static void
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159 _finish_sized_pattern(mbe_t *mbe) {
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160 SkCanvas *canvas = mbe->canvas;
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161
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162 canvas->setClipRegion(*mbe->saved_region);
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163 }
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164
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165 static void
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166 _canvas_device_region(SkCanvas *canvas, SkRegion *region) {
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167 SkDevice *device;
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168 int w, h;
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169
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170 device = canvas->getDevice();
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171 w = device->width();
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172 h = device->height();
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173 region->setRect(0, 0, w, h);
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174 }
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175
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176 static void
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177 _update_path(mbe_t *mbe) {
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178 SkPath *path = mbe->path;
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179 SkPath *subpath = mbe->subpath;
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180 SkMatrix canvas_matrix;
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181 SkPoint point;
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182
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183 MB_MATRIX_2_SKMATRIX(canvas_matrix, mbe->states->matrix);
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184 path->addPath(*subpath, canvas_matrix);
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185
482
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186 subpath->getLastPt(&point);
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187 subpath->rewind();
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188 subpath->moveTo(point);
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189 }
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190
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191 /*
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192 * When a function want to use the paint associated with a canvas to
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193 * draw, it should call _prepare_paint() can make the paint ready.
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194 * And, call _finish_paint() when the paint is no more used.
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195 */
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196 static void
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197 _prepare_paint(mbe_t *mbe, SkPaint::Style style) {
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198 SkPaint *paint = mbe->paint;
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199 mbe_pattern_t *ptn = mbe->states->ptn;
511
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200 SkShader *shader;
482
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201 co_aix matrix[6];
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202 SkMatrix skmatrix;
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203
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204 paint->setStyle(style);
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205
511
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206 if(ptn != NULL) {
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207 /* Local matrix of SkShader is a mapping from source pattern to
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208 * user space. Unlikely, for Cairo is a mapping from user space
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209 * to source pattern.
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210 */
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211 shader = ptn->shader;
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212 matrix_mul(mbe->states->matrix, ptn->matrix, matrix);
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213 MB_MATRIX_2_SKMATRIX(skmatrix, matrix);
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214 shader->setLocalMatrix(skmatrix);
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215 paint->setShader(shader);
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216 }
482
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217
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218 if(style == SkPaint::kStroke_Style)
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219 paint->setStrokeWidth(CO_AIX_2_SKSCALAR(mbe->states->line_width));
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220
511
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221 if(ptn != NULL && ptn->has_size)
482
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222 _prepare_sized_pattern(mbe, ptn);
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223 }
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224
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225 static void
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226 _finish_paint(mbe_t *mbe) {
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227 mbe_pattern_t *ptn = mbe->states->ptn;
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228
482
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229 mbe->paint->reset();
511
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230 if(ptn != NULL && ptn->has_size)
482
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231 _finish_sized_pattern(mbe);
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232 }
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233
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234 mbe_pattern_t *mbe_pattern_create_for_surface(mbe_surface_t *surface) {
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235 mbe_pattern_t *ptn;
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236 SkBitmap *bitmap = (SkBitmap *)surface;
472
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237
482
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238 ptn = (mbe_pattern_t *)malloc(sizeof(mbe_pattern_t));
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239 ptn->shader = SkShader::CreateBitmapShader(*bitmap,
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240 SkShader::kClamp_TileMode,
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241 SkShader::kClamp_TileMode);
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242 if(ptn->shader == NULL) {
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243 free(ptn);
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244 return NULL;
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245 }
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246
482
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247 ptn->has_size = 1;
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248 ptn->w = bitmap->width();
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249 ptn->h = bitmap->height();
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250
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251 memcpy(ptn->matrix, id_matrix, sizeof(co_aix) * 6);
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252
482
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253 return ptn;
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254 }
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255
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256 mbe_pattern_t *
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257 mbe_pattern_create_radial(co_aix cx0, co_aix cy0, co_aix radius0,
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258 co_aix cx1, co_aix cy1, co_aix radius1,
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diff changeset
259 grad_stop_t *stops, int stop_cnt) {
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diff changeset
260 mbe_pattern_t *ptn;
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261 SkColor *colors;
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262 SkScalar *poses;
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263 grad_stop_t *stop;
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264 SkPoint center;
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265 int i;
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266
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267 ptn = (mbe_pattern_t *)malloc(sizeof(mbe_pattern_t));
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268 colors = new SkColor[stop_cnt];
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269 poses = new SkScalar[stop_cnt];
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parents: 479
diff changeset
270 if(ptn == NULL || colors == NULL || poses == NULL)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
271 goto fail;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
272
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
273 center.set(CO_AIX_2_SKSCALAR(cx1), CO_AIX_2_SKSCALAR(cy1));
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
274
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
275 stop = stops;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
276 for(i = 0; i < stop_cnt; i++) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
277 colors[i] = MBSTOP_2_SKCOLOR(stop);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
278 poses[i] = CO_AIX_2_SKSCALAR(stop->offset);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
279 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
280
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
281 /*
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
282 * cx0, cy0 and radius0 is not used. Since Skia is still not
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
283 * support two circles radial. And, SVG 1.2 is also not support
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
284 * two circles.
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
285 */
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
286 ptn->shader =
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
287 SkGradientShader::CreateRadial(center, CO_AIX_2_SKSCALAR(radius1),
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
288 colors, poses, stop_cnt,
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
289 SkShader::kClamp_TileMode);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
290 if(ptn->shader == NULL)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
291 goto fail;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
292
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
293 memcpy(ptn->matrix, id_matrix, sizeof(co_aix) * 6);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
294
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
295 delete colors;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
296 delete poses;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
297 return ptn;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
298
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
299 fail:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
300 if(ptn) free(ptn);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
301 if(colors) delete colors;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
302 if(poses) delete poses;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
303 return NULL;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
304 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
305
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
306 mbe_pattern_t *
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
307 mbe_pattern_create_linear(co_aix x0, co_aix y0,
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
308 co_aix x1, co_aix y1,
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
309 grad_stop_t *stops, int stop_cnt) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
310 mbe_pattern_t *ptn;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
311 SkColor *colors;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
312 SkScalar *poses;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
313 grad_stop_t *stop;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
314 SkPoint points[2];
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
315 int i;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
316
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
317 ptn = (mbe_pattern_t *)malloc(sizeof(mbe_pattern_t));
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
318 colors = new SkColor[stop_cnt];
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
319 poses = new SkScalar[stop_cnt];
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
320 if(ptn == NULL || colors == NULL || poses == NULL)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
321 goto fail;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
322
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
323 points[0].set(CO_AIX_2_SKSCALAR(x0), CO_AIX_2_SKSCALAR(y0));
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
324 points[1].set(CO_AIX_2_SKSCALAR(x1), CO_AIX_2_SKSCALAR(y1));
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
325
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
326 stop = stops;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
327 for(i = 0; i < stop_cnt; i++) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
328 colors[i] = MBSTOP_2_SKCOLOR(stop);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
329 poses[i] = CO_AIX_2_SKSCALAR(stop->offset);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
330 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
331
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
332 /*
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
333 * cx0, cy0 and radius0 is not used. Since Skia is still not
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
334 * support two circles radial. And, SVG 1.2 is also not support
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
335 * two circles.
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
336 */
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
337 ptn->shader =
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
338 SkGradientShader::CreateLinear(points, colors, poses, stop_cnt,
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
339 SkShader::kClamp_TileMode);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
340 if(ptn->shader == NULL)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
341 goto fail;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
342
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
343 memcpy(ptn->matrix, id_matrix, sizeof(co_aix) * 6);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
344
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
345 delete colors;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
346 delete poses;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
347 return ptn;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
348
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
349 fail:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
350 if(ptn) free(ptn);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
351 if(colors) delete colors;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
352 if(poses) delete poses;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
353 return NULL;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
354 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
355
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
356 void mbe_pattern_set_matrix(mbe_pattern_t *ptn, const co_aix matrix[6]) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
357 SkMatrix skmatrix;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
358
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
359 MB_MATRIX_2_SKMATRIX(skmatrix, matrix);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
360
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
361 ptn->shader->setLocalMatrix(skmatrix);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
362 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
363
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
364 void mbe_pattern_destroy(mbe_pattern_t *ptn) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
365 if(ptn->shader)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
366 delete ptn->shader;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
367 free(ptn);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
368 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
369
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
370 int mbe_image_surface_get_stride(mbe_surface_t *surface) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
371 return ((SkBitmap *)surface)->rowBytes();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
372 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
373
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
374 int mbe_image_surface_get_height(mbe_surface_t *surface) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
375 return ((SkBitmap *)surface)->height();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
376 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
377
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
378 int mbe_image_surface_get_width(mbe_surface_t *surface) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
379 return ((SkBitmap *)surface)->width();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
380 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
381
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
382 unsigned char *mbe_image_surface_get_data(mbe_surface_t *surface) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
383 return (unsigned char *)((SkBitmap *)surface)->getPixels();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
384 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
385
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
386 mbe_surface_t *mbe_image_surface_create_from_png(const char *filename) {}
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
387
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
388 mbe_surface_t *
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
389 mbe_image_surface_create_for_data(unsigned char *data,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
390 mb_img_fmt_t fmt,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
391 int width, int height,
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
392 int stride) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
393 SkBitmap *bitmap;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
394 SkBitmap::Config cfg;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
395
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
396 switch(fmt) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
397 case MB_IFMT_ARGB32:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
398 cfg = SkBitmap::kARGB_8888_Config; break;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
399
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
400 case MB_IFMT_A8:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
401 cfg = SkBitmap::kA8_Config; break;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
402
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
403 case MB_IFMT_A1:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
404 cfg = SkBitmap::kA1_Config; break;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
405
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
406 case MB_IFMT_RGB16_565:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
407 cfg = SkBitmap::kRGB_565_Config; break;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
408
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
409 case MB_IFMT_RGB24:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
410 default:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
411 return NULL;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
412 }
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
413
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
414 bitmap = new SkBitmap();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
415 if(bitmap == NULL)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
416 return NULL;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
417
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
418 bitmap->setConfig(cfg, width, height, stride);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
419 bitmap->setPixels(data);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
420
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
421 return (mbe_surface_t *)bitmap;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
422 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
423
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
424 mb_img_fmt_t mbe_image_surface_get_format(mbe_surface_t *surface) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
425 SkBitmap *bitmap = (SkBitmap *)surface;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
426 mb_img_fmt_t fmt;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
427 SkBitmap::Config cfg;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
428
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
429 cfg = bitmap->getConfig();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
430 switch(cfg) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
431 case SkBitmap::kARGB_8888_Config:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
432 fmt = MB_IFMT_ARGB32; break;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
433
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
434 case SkBitmap::kA8_Config:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
435 fmt = MB_IFMT_A8; break;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
436
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
437 case SkBitmap::kA1_Config:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
438 fmt = MB_IFMT_A1; break;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
439
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
440 case SkBitmap::kRGB_565_Config:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
441 fmt = MB_IFMT_RGB16_565; break;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
442
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
443 default:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
444 fmt = MB_IFMT_DUMMY;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
445 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
446
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
447 return fmt;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
448 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
449
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
450 mbe_surface_t *
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
451 mbe_image_surface_create(mb_img_fmt_t fmt, int width, int height) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
452 SkBitmap *bitmap;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
453 SkBitmap::Config cfg;
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
454
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
455 switch(fmt) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
456 case MB_IFMT_ARGB32:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
457 cfg = SkBitmap::kARGB_8888_Config; break;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
458
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
459 case MB_IFMT_A8:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
460 cfg = SkBitmap::kA8_Config; break;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
461
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
462 case MB_IFMT_A1:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
463 cfg = SkBitmap::kA1_Config; break;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
464
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
465 case MB_IFMT_RGB16_565:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
466 cfg = SkBitmap::kRGB_565_Config; break;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
467
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
468 case MB_IFMT_RGB24:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
469 default:
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
470 return NULL;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
471 }
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
472
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
473 bitmap = new SkBitmap();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
474 if(bitmap == NULL)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
475 return NULL;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
476
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
477 bitmap->setConfig(cfg, width, height);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
478 bitmap->allocPixels();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
479
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
480 return (mbe_surface_t *)bitmap;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
481 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
483 mbe_scaled_font_t *mbe_scaled_font_reference(mbe_scaled_font_t *scaled) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
484 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
485
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
486 void mbe_scaled_font_destroy(mbe_scaled_font_t *scaled) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
487 mbe_font_face_t *mbe_font_face_reference(mbe_font_face_t *face) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
488 mbe_scaled_font_t *
473
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 472
diff changeset
489 mbe_scaled_font_create(mbe_font_face_t *face, co_aix fnt_mtx[6],
ba64f928542b Remove mbe_matrix_t type.
Thinker K.F. Li <thinker@branda.to>
parents: 472
diff changeset
490 co_aix ctm[6]) {}
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
491 mbe_scaled_font_t *mbe_get_scaled_font(mbe_t *canvas) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
492 void mbe_scaled_font_text_extents(mbe_scaled_font_t *scaled,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
493 const char *txt,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
494 mbe_text_extents_t *extents) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
495
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
496 void mbe_font_face_destroy(mbe_font_face_t *face) {}
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
497
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
498 void mbe_paint_with_alpha(mbe_t *canvas, co_aix alpha) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
499 SkPaint *paint = canvas->paint;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
500 SkColorFilter *filter;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
501 SkColor color;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
502
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
503 color = ((uint32_t)(alpha * 255)) << 24;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
504 filter =
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
505 SkColorFilter::CreatePorterDuffFilter(color,
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
506 SkPorterDuff::kSrcOver_Mode);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
507 mbe_paint(canvas);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
508
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
509 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
510
508
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
511 void mbe_surface_destroy(mbe_surface_t *surface) {
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
512 SkBitmap *bmap = (SkBitmap *)surface;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
513
508
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
514 delete bmap;
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
515 }
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
516
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
517 void mbe_set_source_rgba(mbe_t *canvas,
508
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
518 co_aix r, co_aix g, co_aix b, co_aix a) {
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
519 canvas->paint->setARGB(MB_CO_COMP_2_SK(a),
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
520 MB_CO_COMP_2_SK(r),
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
521 MB_CO_COMP_2_SK(g),
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
522 MB_CO_COMP_2_SK(b));
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
523 canvas->states->ptn = NULL;
508
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
524 }
b106fa78a090 Add functions of mbe_set_source_rgba() and mbe_surface_destroy().
Thinker K.F. Li <thinker@branda.to>
parents: 497
diff changeset
525
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
526 void mbe_set_scaled_font(mbe_t *canvas,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
527 const mbe_scaled_font_t *scaled) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
528 void mbe_set_source_rgb(mbe_t *canvas, co_aix r, co_aix g, co_aix b) {}
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
529
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
530 void mbe_set_line_width(mbe_t *canvas, co_aix width) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
531 canvas->states->line_width = width;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
532 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
533
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
534 mbe_font_face_t *mbe_get_font_face(mbe_t *canvas) {}
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
535
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
536 void mbe_fill_preserve(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
537 mbe_pattern_t *ptn = canvas->states->ptn;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
538 SkPaint *paint = canvas->paint;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
539 SkPath *path = canvas->path;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
540 SkRegion *saved_clip = NULL;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
541 co_aix x, y;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
542
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
543 ASSERT(paint);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
544 ASSERT(ptn);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
545 ASSERT(path);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
546
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
547 if(!canvas->subpath->isEmpty())
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
548 _update_path(canvas);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
549
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
550 _prepare_paint(canvas, SkPaint::kFill_Style);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
551
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
552 canvas->canvas->drawPath(*path, *paint);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
553
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
554 _finish_paint(canvas);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
555 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
556
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
557 void mbe_set_source(mbe_t *canvas, mbe_pattern_t *source) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
558 canvas->states->ptn = source;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
559 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
560
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
561 void mbe_reset_clip(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
562 SkRegion clip;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
563
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
564 _canvas_device_region(canvas->canvas, &clip);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
565 canvas->canvas->setClipRegion(clip);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
566 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
567
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
568 mbe_surface_t *mbe_get_target(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
569 return (mbe_surface_t *)&canvas->canvas->getDevice()->accessBitmap(false);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
570 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
571
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
572 void mbe_close_path(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
573 canvas->subpath->close();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
574 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
575
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
576 void mbe_text_path(mbe_t *canvas, const char *txt) {}
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
577
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
578 void mbe_rectangle(mbe_t *canvas, co_aix x, co_aix y,
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
579 co_aix width, co_aix height) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
580 SkPath *subpath = canvas->subpath;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
581
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
582 subpath->addRect(CO_AIX_2_SKSCALAR(x), CO_AIX_2_SKSCALAR(y),
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
583 CO_AIX_2_SKSCALAR(x + width),
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
584 CO_AIX_2_SKSCALAR(y + height));
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
585 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
586
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
587 int mbe_in_stroke(mbe_t *canvas, co_aix x, co_aix y) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
588 return 0;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
589 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
590
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
591 void mbe_new_path(mbe_t *canvas) {
513
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
592 canvas->subpath->rewind();
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
593 canvas->path->rewind();
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
594 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
595
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
596 void mbe_curve_to(mbe_t *canvas, co_aix x1, co_aix y1,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
597 co_aix x2, co_aix y2,
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
598 co_aix x3, co_aix y3) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
599 SkPath *subpath = canvas->subpath;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
600
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
601 subpath->cubicTo(CO_AIX_2_SKSCALAR(x1), CO_AIX_2_SKSCALAR(y1),
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
602 CO_AIX_2_SKSCALAR(x2), CO_AIX_2_SKSCALAR(y2),
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
603 CO_AIX_2_SKSCALAR(x3), CO_AIX_2_SKSCALAR(y3));
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
604 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
605
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
606 void mbe_restore(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
607 struct _mbe_states_t *states;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
608
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
609 _update_path(canvas);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
610
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
611 states = canvas->states;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
612 ASSERT(states->next);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
613 canvas->states = states->next;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
614 free(states);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
615 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
616
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
617 void mbe_move_to(mbe_t *canvas, co_aix x, co_aix y) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
618 canvas->subpath->moveTo(CO_AIX_2_SKSCALAR(x),
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
619 CO_AIX_2_SKSCALAR(y));
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
620 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
621
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
622 void mbe_line_to(mbe_t *canvas, co_aix x, co_aix y) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
623 canvas->subpath->lineTo(CO_AIX_2_SKSCALAR(x),
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
624 CO_AIX_2_SKSCALAR(y));
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
625 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
626
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
627 int mbe_in_fill(mbe_t *canvas, co_aix x, co_aix y) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
628 SkRegion region, dev_region;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
629 bool in_fill;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
630
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
631 if(!canvas->subpath->isEmpty())
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
632 _update_path(canvas);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
633
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
634 _canvas_device_region(canvas->canvas, &dev_region);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
635 region.setPath(*canvas->path, dev_region);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
636
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
637 in_fill = region.contains(x, y);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
638
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
639 return in_fill;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
640 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
641
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
642 void mbe_stroke(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
643 SkPath *path = canvas->path;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
644 SkPaint *paint = canvas->paint;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
645
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
646 ASSERT(ptn);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
647 ASSERT(path);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
648 ASSERT(paint);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
649
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
650 if(!canvas->subpath->isEmpty())
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
651 _update_path(canvas);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
652
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
653 _prepare_paint(canvas, SkPaint::kStroke_Style);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
654
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
655 canvas->canvas->drawPath(*path, *paint);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
656
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
657 _finish_paint(canvas);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
658
513
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
659 path->rewind();
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
660 canvas->subpath->rewind();
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
661 }
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
662
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
663 /*! \brief Create a mbe from a SkCanvas.
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
664 *
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
665 * It is only used for Android JNI. It is used to create mbe_t from a
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
666 * SkCanvas created by Canvas class of Android Java application.
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
667 */
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
668 mbe_t *skia_mbe_create_by_canvas(SkCanvas *canvas) {
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
669 mbe_t *mbe;
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
670 struct _mbe_states_t *states;
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
671
479
9a867333018b mbe_create() and mbe_destroy() pass the compilation.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
672 mbe = (mbe_t *)malloc(sizeof(mbe_t));
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
673 if(mbe == NULL)
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
674 return NULL;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
675
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
676 mbe->states = (struct _mbe_states_t *)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
677 malloc(sizeof(struct _mbe_states_t));
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
678 states = mbe->states;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
679 if(states == NULL) {
479
9a867333018b mbe_create() and mbe_destroy() pass the compilation.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
680 free(mbe);
9a867333018b mbe_create() and mbe_destroy() pass the compilation.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
681 return NULL;
9a867333018b mbe_create() and mbe_destroy() pass the compilation.
Thinker K.F. Li <thinker@branda.to>
parents: 473
diff changeset
682 }
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
683
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
684 canvas->ref();
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
685 mbe->canvas = canvas;
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
686 mbe->path = new SkPath();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
687 mbe->subpath = new SkPath();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
688 mbe->saved_region = new SkRegion();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
689 mbe->paint = new SkPaint();
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
690 states->ptn = NULL;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
691 states->ptn_owned = 0;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
692 states->line_width = 0;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
693 states->next = NULL;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
694
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
695 if(mbe->path == NULL ||
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
696 mbe->subpath == NULL || mbe->paint == NULL ||
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
697 mbe->saved_region == NULL)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
698 goto fail;
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
699
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
700 memcpy(states->matrix, id_matrix, sizeof(co_aix) * 6);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
701
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
702 return mbe;
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
703
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
704 fail:
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
705 canvas->unref();
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
706 if(mbe->path) delete mbe->path;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
707 if(mbe->subpath) delete mbe->subpath;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
708 if(mbe->paint) delete mbe->paint;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
709 if(mbe->saved_region) delete mbe->saved_region;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
710 free(states);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
711 free(mbe);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
712
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
713 return NULL;
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
714 }
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
715
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
716 mbe_t *mbe_create(mbe_surface_t *target) {
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
717 mbe_t *mbe;
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
718 SkBitmap *bitmap = (SkBitmap *)target;
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
719 SkCanvas *canvas;
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
720
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
721 canvas = new SkCanvas(*bitmap);
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
722 if(canvas == NULL) {
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
723 delete bitmap;
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
724 return NULL;
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
725 }
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
726
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
727 mbe = skia_mbe_create_by_canvas(canvas);
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
728 canvas->unref();
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
729
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
730 if(mbe == NULL) {
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
731 delete bitmap;
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
732 }
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
733
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
734 return mbe;
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
735 }
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
736
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
737 void mbe_destroy(mbe_t *canvas) {
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
738 struct _mbe_states_t *states;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
739
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
740 canvas->canvas->unref();
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
741 delete canvas->path;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
742 delete canvas->subpath;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
743 delete canvas->paint;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
744 delete canvas->saved_region;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
745 while(canvas->states) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
746 states = canvas->states;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
747 canvas->states = states->next;
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
748
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
749 if(states->ptn && states->ptn_owned)
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
750 mbe_pattern_destroy(states->ptn);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
751 free(states);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
752 }
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
753 free(canvas);
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
754 }
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
755
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
756 void mbe_paint(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
757 SkPaint *paint = canvas->paint;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
758
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
759 ASSERT(paint);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
760
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
761 _prepare_paint(canvas, SkPaint::kFill_Style);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
762
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
763 canvas->canvas->drawPaint(*paint);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
764
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
765 _finish_paint(canvas);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
766 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
767
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
768 void mbe_save(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
769 struct _mbe_states_t *states;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
770
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
771 states = (struct _mbe_states_t *)malloc(sizeof(struct _mbe_states_t));
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
772 ASSERT(states);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
773
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
774 memcpy(states, canvas->states, sizeof(struct _mbe_states_t));
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
775 states->next = canvas->states;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
776 canvas->states = states;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
777 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
778
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
779 void mbe_fill(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
780 mbe_fill_preserve(canvas);
513
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
781 canvas->path->rewind();
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
782 canvas->subpath->rewind();
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
783 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
784
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
785 void mbe_clip(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
786 if(!canvas->subpath->isEmpty())
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
787 _update_path(canvas);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
788
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
789 canvas->canvas->clipPath(*canvas->path, SkRegion::kIntersect_Op);
513
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
790 canvas->path->rewind();
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
791 canvas->subpath->rewind();
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
792 }
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
793
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
794 mbe_font_face_t * mbe_query_font_face(const char *family,
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
795 int slant, int weight) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
796 void mbe_free_font_face(mbe_font_face_t *face) {}
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
797
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
798 void mbe_clear(mbe_t *canvas) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
799 SkColor color = 0;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
800
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
801 canvas->canvas->drawColor(color, SkPorterDuff::kClear_Mode);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
802 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
803
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
804 void mbe_copy_source(mbe_t *src, mbe_t *dst) {
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
805 SkPaint *paint = dst->paint;
513
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
806 const SkBitmap *bmap;
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
807 SkXfermode *mode;
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
808
513
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
809 /* _prepare_paint(dst, SkPaint::kFill_Style); */
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
810 mode = SkPorterDuff::CreateXfermode(SkPorterDuff::kSrc_Mode);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
811 paint->setXfermode(mode);
513
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
812 bmap = &src->canvas->getDevice()->accessBitmap(false);
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
813
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
814 dst->canvas->drawBitmap(*bmap, 0, 0, paint);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
815
513
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
816 paint->reset();
512
d186d1e24458 Change prototype of mbe_copy_source().
Thinker K.F. Li <thinker@branda.to>
parents: 511
diff changeset
817 mode->unref();
513
6394a1e33b2f Rewind/reset path and subpath.
Thinker K.F. Li <thinker@branda.to>
parents: 512
diff changeset
818 /* _finish_paint(dst); */
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
819 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
820
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
821 void mbe_transform(mbe_t *mbe, co_aix matrix[6]) {
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
822 _update_path(mbe);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
823
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
824 matrix_mul(matrix, mbe->states->matrix, mbe->states->matrix);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
825 }
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
826
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
827 void mbe_arc(mbe_t *mbe, co_aix x, co_aix y, co_aix radius,
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
828 co_aix angle_start, co_aix angle_stop) {
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
829 SkPoint point;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
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830 SkPath *subpath = mbe->subpath;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
831 SkRect rect;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
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832 SkScalar x0, y0;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
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833 SkScalar ang_start, ang_stop;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
834 SkScalar sweep;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
835 SkScalar r; /* radius */
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
836
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
837 subpath->getLastPt(&point);
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
838 x0 = point.fX;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
839 y0 = point.fX;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
840 r = CO_AIX_2_SKSCALAR(radius);
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
841 ang_start = CO_AIX_2_SKSCALAR(angle_start * 180 / PI);
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
842 ang_stop = CO_AIX_2_SKSCALAR(angle_stop * 180 / PI);
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
843
482
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
844 /* Skia can only draw an arc in clockwise directly. We negative
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
845 * start and stop point to draw the arc in the mirror along x-axis
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
846 * in a sub-path. Then, the sub-path are reflected along x-axis,
d38aca825822 Import more functions for Skia graphic engine.
Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
847 * again. We get a right path, and add it to the path of mbe_t.
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
848 */
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
849 if(ang_start > ang_stop) {
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
850 SkPath tmppath;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
851 SkMatrix matrix;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
852 co_aix reflect[6] = { 1, 0, 0,
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
853 0, -1, 0};
822
586e50f82c1f Unify coding style tag for emacs and vim.
Shih-Yuan Lee (FourDollars) <fourdollars@gmail.com>
parents: 514
diff changeset
854
482
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
855 rect.set(-r, -r, r, r);
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
856 sweep = ang_start - ang_stop;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
857 tmppath.arcTo(rect, -ang_start, sweep, false);
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
858
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
859 reflect[2] = x;
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parents: 479
diff changeset
860 reflect[5] = y;
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parents: 479
diff changeset
861 MB_MATRIX_2_SKMATRIX(matrix, reflect);
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
862 subpath->addPath(tmppath, matrix);
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parents: 479
diff changeset
863 } else {
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
864 rect.set(x0 - r, y0 - r, x0 + r, y0 + r);
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
865 sweep = ang_stop - ang_start;
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
866 subpath->arcTo(rect, ang_start, sweep, false);
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Thinker K.F. Li <thinker@branda.to>
parents: 479
diff changeset
867 }
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parents: 479
diff changeset
868 }
472
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
869
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
870
4254eaa699d0 Declare functions that should be implemented by Skia graphic engine
Thinker K.F. Li <thinker@branda.to>
parents: 469
diff changeset
871 C_END