Mercurial > MadButterfly

annotate nodejs/paints.cc @ 750:199bac90b90a

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Add linearGradient support.
author wycc
date Thu, 26 Aug 2010 00:16:12 +0800
parents d0ee92a96c47
children a49358b040b5
rev   line source
567
a12c3448afb6 Add dummy paint_color templates
Thinker K.F. Li <thinker@branda.to>
parents:
diff changeset
1 #include <v8.h>
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2
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3 extern "C" {
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4 #include "mb.h"
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5 }
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6
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7 #include "mbfly_njs.h"
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8
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9 using namespace v8;
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10
568
d796e6b8b97e Real initialize a paint_color_t object for paint_color JS obj
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11 #ifndef ASSERT
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12 #define ASSERT(x)
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13 #endif
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14
684
b346e4699e55 Add more comment for JS binding
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15 /*! \defgroup xnjsmb_paints JS binding for paints
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16 * \ingroup xnjsmb
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17 *
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18 * @{
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19 */
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20
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da12923a789a Migrate paints.cc to use gen_v8_binding.m4
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21 static void
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22 xnjsmb_paint_fill(paint_t *paint, Handle<Object> self, shape_t *sh) {
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23 Handle<Value> rt_v;
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24 Handle<Object> rt_o;
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f87a368e847a Functions of stroke and fill a shape
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25 redraw_man_t *rdman;
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26
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27 rt_v = GET(self, "mbrt");
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28 rt_o = rt_v->ToObject();
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29 rdman = xnjsmb_rt_rdman(rt_o);
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30
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31 rdman_paint_fill(rdman, paint, sh);
570
49e79253b6d3 Functions of setting/getting stroke width of a shape
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32
576
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33 if(sh_get_coord(sh))
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34 rdman_shape_changed(rdman, sh);
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35 }
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36
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37 static void
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38 xnjsmb_paint_stroke(paint_t *paint, Handle<Object> self, shape_t *sh) {
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39 Handle<Value> rt_v;
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40 Handle<Object> rt_o;
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41 redraw_man_t *rdman;
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42
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43 rt_v = GET(self, "mbrt");
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44 rt_o = rt_v->ToObject();
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45 rdman = xnjsmb_rt_rdman(rt_o);
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46
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47 rdman_paint_stroke(rdman, paint, sh);
570
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48
576
5a68e2bcea17 Set font styles for stext in Javascript
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49 if(sh_get_coord(sh))
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50 rdman_shape_changed(rdman, sh);
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51 }
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52
699
0b98bdc53215 Add binding for color changing of paint_color_t in JS
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53 static void
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54 xnjsmb_paint_color_set_color(paint_t *paint, Handle<Object> self,
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55 float r, float g, float b, float a) {
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56 Handle<Value> rt_v;
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57 Handle<Object> rt_o;
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58 redraw_man_t *rdman;
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59
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60 rt_v = GET(self, "mbrt");
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61 rt_o = rt_v->ToObject();
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62 rdman = xnjsmb_rt_rdman(rt_o);
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63
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64 paint_color_set(paint, r, g, b, a);
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65
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66 rdman_paint_changed(rdman, paint);
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67 }
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68
733
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69 /*! \brief Set stops for linear paint for Javascript code.
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70 */
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71 static void
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72 xnjsmb_paint_linear_set_stops(paint_t *paint, Handle<Value> stops) {
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73 Array *stops_o;
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74 Array *stop_o;
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75 int nstops;
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76 grad_stop_t *grad_stops, *old_grad_stops;
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77 int i;
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78
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79 stops_o = Array::Cast(*stops);
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80 nstops = stops_o->Length();
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81 grad_stops = (grad_stop_t *)malloc(sizeof(grad_stop_t) * nstops);
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82 ASSERT(grad_stops != NULL);
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83
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84 for(i = 0; i < nstops; i++) {
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85 stop_o = Array::Cast(*stops_o->Get(i));
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86 ASSERT(stop_o->Length() == 5);
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87 grad_stop_init(grad_stops + i,
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88 stop_o->Get(0)->ToNumber()->Value(), /* off */
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89 stop_o->Get(1)->ToNumber()->Value(), /* r */
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90 stop_o->Get(2)->ToNumber()->Value(), /* g */
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91 stop_o->Get(3)->ToNumber()->Value(), /* b */
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92 stop_o->Get(4)->ToNumber()->Value()); /* a */
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93 }
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94
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95 old_grad_stops = paint_linear_stops(paint, nstops, grad_stops);
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96 if(old_grad_stops)
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97 free(old_grad_stops); /* The stops, here, were allocated for
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98 * previous calling of this
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99 * function. */
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100 }
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101
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102 /*! \brief Set stops for radial paint for Javascript code.
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103 */
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104 static void
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105 xnjsmb_paint_radial_set_stops(paint_t *paint, Handle<Value> stops) {
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106 Array *stops_o;
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107 Array *stop_o;
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108 int nstops;
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109 grad_stop_t *grad_stops, *old_grad_stops;
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110 int i;
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111
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112 stops_o = Array::Cast(*stops);
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113 nstops = stops_o->Length();
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114 grad_stops = (grad_stop_t *)malloc(sizeof(grad_stop_t) * nstops);
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115 ASSERT(grad_stops != NULL);
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116
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117 for(i = 0; i < nstops; i++) {
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118 stop_o = Array::Cast(*stops_o->Get(i));
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119 ASSERT(stop_o->Length() == 5);
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120 grad_stop_init(grad_stops + i,
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121 stop_o->Get(0)->ToNumber()->Value(), /* off */
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122 stop_o->Get(1)->ToNumber()->Value(), /* r */
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123 stop_o->Get(2)->ToNumber()->Value(), /* g */
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124 stop_o->Get(3)->ToNumber()->Value(), /* b */
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125 stop_o->Get(4)->ToNumber()->Value()); /* a */
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126 }
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127
735
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128 old_grad_stops = paint_radial_stops(paint, nstops, grad_stops);
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129 if(old_grad_stops)
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130 free(old_grad_stops); /* The stops, here, were allocated for
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131 * previous calling of this
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132 * function. */
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133 }
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134
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135 #include "paints-inc.h"
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136
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137 /*! \defgroup xnjsmb_paints_cons Constructor of paints
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138 *
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139 * @{
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140 */
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141 paint_t *
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142 xnjsmb_paint_color_new(njs_runtime_t *rt,
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143 float r, float g, float b, float a,
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144 const char **err) {
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145 paint_t *paint;
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146 redraw_man_t *rdman;
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147
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148 rdman = X_njs_MB_rdman(rt);
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149 paint = rdman_paint_color_new(rdman, r, g, b, a);
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150 if(paint == NULL) {
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151 *err = "can not allocate a paint_color_t";
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152 return NULL;
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153 }
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154
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155 return paint;
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156 }
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157
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158 paint_t *
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159 xnjsmb_paint_image_new(njs_runtime_t *rt, mb_img_data_t *img,
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160 const char **err) {
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161 paint_t *paint;
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162 redraw_man_t *rdman;
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163
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164 rdman = X_njs_MB_rdman(rt);
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165 paint = rdman_paint_image_new(rdman, img);
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166 if(paint == NULL) {
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167 *err = "can not allocate a paint_image_t";
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168 return NULL;
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169 }
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170
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171 return paint;
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172 }
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173
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174 paint_t *
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175 xnjsmb_paint_linear_new(njs_runtime_t *rt,
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176 float x1, float y1, float x2, float y2,
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177 const char **err) {
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178 paint_t *paint;
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179 redraw_man_t *rdman;
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180
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181 rdman = X_njs_MB_rdman(rt);
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182 paint = rdman_paint_linear_new(rdman, x1, y1, x2, y2);
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183 if(paint == NULL) {
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184 *err = "can not allocate a paint_linear_t";
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185 return NULL;
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186 }
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187
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188 return paint;
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189 }
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190
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191 paint_t *
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192 xnjsmb_paint_radial_new(njs_runtime_t *rt,
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193 float cx, float cy, float r,
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194 const char **err) {
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195 paint_t *paint;
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196 redraw_man_t *rdman;
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197
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198 rdman = X_njs_MB_rdman(rt);
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199 paint = rdman_paint_radial_new(rdman, cx, cy, r);
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200 if(paint == NULL) {
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201 *err = "can not allocate a paint_radial_t";
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202 return NULL;
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203 }
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204
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205 return paint;
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206 }
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207
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208 /* @} */
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209
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210 /*! \defgroup xnjsmb_paints_export Exported wrapper maker for paints
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211 *
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212 * These functions are used by MB runtime to wrap C paints to JS
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213 * objects.
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214 *
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215 * @{
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216 */
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217 Handle<Value>
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218 export_xnjsmb_auto_paint_color_new(paint_t *paint) {
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219 Handle<Value> ret;
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220
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221 ret = xnjsmb_auto_paint_color_new(paint);
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222
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223 return ret;
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224 }
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225
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226 Handle<Value>
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227 export_xnjsmb_auto_paint_image_new(paint_t *paint) {
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228 Handle<Value> ret;
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229
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230 ret = xnjsmb_auto_paint_image_new(paint);
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231
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232 return ret;
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233 }
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234
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235 Handle<Value>
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236 export_xnjsmb_auto_paint_linear_new(paint_t *paint) {
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237 Handle<Value> ret;
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238
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239 ret = xnjsmb_auto_paint_linear_new(paint);
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240
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241 return ret;
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242 }
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243
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244 Handle<Value>
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245 export_xnjsmb_auto_paint_radial_new(paint_t *paint) {
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246 Handle<Value> ret;
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247
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248 ret = xnjsmb_auto_paint_radial_new(paint);
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249
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250 return ret;
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251 }
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252 /* @} */
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253
637
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254 /*! \brief Initialize paints for mbfly.
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255 *
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256 * This function is called by init() in mbfly_njs.cc when the module
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257 * being loaded.
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258 */
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259 void xnjsmb_paints_init_mb_rt_temp(Handle<FunctionTemplate> rt_temp) {
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260 static int init_flag = 0;
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261 Handle<ObjectTemplate> rt_proto_temp;
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262
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263 if(!init_flag) {
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264 xnjsmb_auto_paint_init();
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265 xnjsmb_auto_paint_color_init();
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266 xnjsmb_auto_paint_image_init();
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267 xnjsmb_auto_paint_linear_init();
d0ee92a96c47 Fix typo and add initialize code for linear and radial
Thinker K.F. Li <thinker@branda.to>
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268 xnjsmb_auto_paint_radial_init();
687
da12923a789a Migrate paints.cc to use gen_v8_binding.m4
Thinker K.F. Li <thinker@branda.to>
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269
567
a12c3448afb6 Add dummy paint_color templates
Thinker K.F. Li <thinker@branda.to>
parents:
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270 init_flag = 1;
a12c3448afb6 Add dummy paint_color templates
Thinker K.F. Li <thinker@branda.to>
parents:
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271 }
a12c3448afb6 Add dummy paint_color templates
Thinker K.F. Li <thinker@branda.to>
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272 }
684
b346e4699e55 Add more comment for JS binding
Thinker K.F. Li <thinker@branda.to>
parents: 637
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273
b346e4699e55 Add more comment for JS binding
Thinker K.F. Li <thinker@branda.to>
parents: 637
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274 /* @} */