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annotate include/mb_graph_engine_dummy.h @ 1444:167873cd35c5

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author wycc
date Mon, 11 Apr 2011 13:17:05 +0800
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1 /* This is a dummy Graphic Engine to consume all graphic operators.
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2 */
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3 #ifndef __MB_GE_OPENVG_H_
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4 #define __MB_GE_OPENVG_H_
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5
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6 #include <stdio.h>
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7 #include <GL/glut.h>
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8 #include "mb_basic_types.h"
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9 #include "mb_img_ldr.h"
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10
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11 /*! \defgroup mb_ge_dummy Dummy Implementation of MadButterfly Graphic Engine
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12 * @{
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13 */
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14 #define mbe_pattern_create_for_surface(surface) ((mbe_pattern_t *)NULL)
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15 #define mbe_scaled_font_text_extents(scaled, utf8, extents)
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16 #define mbe_image_surface_get_stride(surface) (20)
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17 #define mbe_image_surface_get_format(surface) ((mb_img_fmt_t)0)
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18 #define mbe_image_surface_get_height(surface) (1)
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19 #define mbe_image_surface_get_width(surface) (1)
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20 #define mbe_image_surface_get_data(surface) ((unsigned char *)NULL)
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21 #define mbe_scaled_font_reference(scaled) ((mbe_scaled_font_t *)NULL)
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22 /* For OpenVG backend, never invoke xlib surface.
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23 * #define mbe_xlib_surface_create cairo_xlib_surface_create
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24 */
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25 #define mbe_pattern_create_radial(cx0, cy0, radius0, \
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26 cx1, cy1, radius1, stops, stop_cnt) \
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27 ((mbe_pattern_t *)NULL)
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28 #define mbe_pattern_create_linear(x0, y0, x1, y1, stops, stop_cnt) \
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29 ((mbe_pattern_t *)NULL)
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30 #define mbe_pattern_create_image(img) ((mbe_pattern_t *)NULL)
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31 #define mbe_image_surface_create(fmt, w, h) ((mbe_surface_t *)NULL)
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32 #define mbe_scaled_font_destroy(scaled)
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33 #define mbe_font_face_reference(face) ((mbe_font_face_t *)NULL)
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34 #define mbe_scaled_font_create(face, fnt_mtx, ctm) ((mbe_scaled_font_t *)NULL)
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35 #define mbe_pattern_set_matrix(ptn, mtx)
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36 #define mbe_font_face_destroy(face)
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37 #define mbe_paint_with_alpha(canvas, alpha)
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38 #define mbe_surface_destroy(surface)
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39 #define mbe_set_source_rgba(canvas, r, g, b, a)
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40 #define mbe_set_scaled_font(canvas, scaled)
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41 #define mbe_pattern_destroy(pattern)
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42 #define mbe_get_scaled_font(canvas) ((mbe_scaled_font_t *)NULL)
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43 #define mbe_query_font_face(family, slant, weight) ((mbe_font_face_t *)NULL)
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44 #define mbe_free_font_face(face)
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45 #define mbe_set_line_width(canvas, w)
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46 #define mbe_set_source_rgb(canvas, r, g, b)
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47 #define mbe_get_font_face(canvas) ((mbe_font_face_t *)NULL)
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48 #define mbe_fill_preserve(canvas)
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49 #define mbe_copy_source(src_canvas, dst_canvas)
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50 #define mbe_set_source(canvas, pattern)
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51 #define mbe_reset_scissoring(canvas)
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52 #define mbe_get_target(canvas) ((mbe_surface_t *)NULL)
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53 #define mbe_close_path(canvas)
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54 #define mbe_text_path(canvas, utf8)
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55 #define mbe_transform(canvas, mtx)
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56 #define mbe_rectangle(canvas, x, y, w, h)
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57 #define mbe_in_stroke(canvas, x, y) (0)
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58 #define mbe_new_path(canvas)
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59 #define mbe_curve_to(canvas, x1, y1, x2, y2, x3, y3)
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60 #define mbe_restore(canvas)
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61 #define mbe_move_to(canvas, x, y)
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62 #define mbe_line_to(canvas, x, y)
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63 #define mbe_in_fill(canvas, x, y) (0)
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64 #define mbe_destroy(canvas)
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65 #define mbe_stroke(canvas)
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66 #define mbe_create(surface) ((mbe_t *)NULL)
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67 #define mbe_clear(canvas)
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68 #define mbe_paint(canvas)
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69 #define mbe_save(canvas)
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70 #define mbe_fill(canvas)
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71 /*! \brief Make scissoring rectangles.
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72 *
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73 * It would reset all previous pathes.
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74 */
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75 #define mbe_scissoring(canvas, n_areas, areas)
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76 #define mbe_arc(canvas, x, y, radius, angle_start, angle_stop)
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77
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78 /*! \brief Initialize graphic engine */
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79 #define mbe_init()
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80
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81 typedef struct _mbe_text_extents_t mbe_text_extents_t;
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82 typedef int mbe_scaled_font_t;
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83 typedef int mbe_font_face_t;
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84 typedef int mbe_surface_t;
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85 typedef int mbe_pattern_t;
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86 typedef int mbe_t;
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87
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88 struct _mbe_text_extents_t {
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89 co_aix x_bearing;
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90 co_aix y_bearing;
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91 co_aix width;
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92 co_aix height;
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93 co_aix x_advance;
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94 co_aix y_advance;
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95 };
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96
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97 /* @} */
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98
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99 #endif /* __MB_GE_OPENVG_H_ */