dc.h 6.2 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196
  1. /*
  2. * File : dc.h
  3. * This file is part of RT-Thread RTOS
  4. * COPYRIGHT (C) 2006 - 2009, RT-Thread Development Team
  5. *
  6. * The license and distribution terms for this file may be
  7. * found in the file LICENSE in this distribution or at
  8. * http://www.rt-thread.org/license/LICENSE
  9. *
  10. * Change Logs:
  11. * Date Author Notes
  12. * 2009-10-16 Bernard first version
  13. */
  14. #ifndef __RTGUI_DC_H__
  15. #define __RTGUI_DC_H__
  16. #include <rtgui/rtgui.h>
  17. #include <rtgui/font.h>
  18. #include <rtgui/driver.h>
  19. #include <rtgui/widgets/widget.h>
  20. enum rtgui_dc_type
  21. {
  22. RTGUI_DC_HW,
  23. RTGUI_DC_CLIENT,
  24. RTGUI_DC_BUFFER,
  25. };
  26. struct rtgui_dc_engine
  27. {
  28. /* interface */
  29. void (*draw_point)(struct rtgui_dc* dc, int x, int y);
  30. void (*draw_color_point)(struct rtgui_dc* dc, int x, int y, rtgui_color_t color);
  31. void (*draw_vline)(struct rtgui_dc* dc, int x, int y1, int y2);
  32. void (*draw_hline)(struct rtgui_dc* dc, int x1, int x2, int y);
  33. void (*fill_rect )(struct rtgui_dc* dc, rtgui_rect_t* rect);
  34. void (*blit_line) (struct rtgui_dc* dc, int x1, int x2, int y, rt_uint8_t* line_data);
  35. void (*blit )(struct rtgui_dc* dc, struct rtgui_point* dc_point, struct rtgui_dc* dest, rtgui_rect_t* rect);
  36. /* set and get graphic context */
  37. void (*set_gc)(struct rtgui_dc* dc, struct rtgui_gc *gc);
  38. struct rtgui_gc* (*get_gc)(struct rtgui_dc* dc);
  39. /* get dc visible */
  40. rt_bool_t (*get_visible)(struct rtgui_dc* dc);
  41. /* get dc rect */
  42. void (*get_rect )(struct rtgui_dc* dc, rtgui_rect_t* rect);
  43. rt_bool_t (*fini )(struct rtgui_dc* dc);
  44. };
  45. /* the abstract device context */
  46. struct rtgui_dc
  47. {
  48. /* type of device context */
  49. rt_uint32_t type;
  50. /* dc engine */
  51. const struct rtgui_dc_engine* engine;
  52. };
  53. #define RTGUI_DC_FC(dc) (rtgui_dc_get_gc(dc)->foreground)
  54. #define RTGUI_DC_BC(dc) (rtgui_dc_get_gc(dc)->background)
  55. #define RTGUI_DC_FONT(dc) (rtgui_dc_get_gc(dc)->font)
  56. #define RTGUI_DC_TEXTALIGN(dc) (rtgui_dc_get_gc(dc)->textalign)
  57. /* create a buffer dc */
  58. struct rtgui_dc* rtgui_dc_buffer_create(int width, int height);
  59. rt_uint8_t* rtgui_dc_buffer_get_pixel(struct rtgui_dc* dc);
  60. /* begin and end a drawing */
  61. struct rtgui_dc* rtgui_dc_begin_drawing(rtgui_widget_t* owner);
  62. void rtgui_dc_end_drawing(struct rtgui_dc* dc);
  63. /* destroy a dc */
  64. void rtgui_dc_destory(struct rtgui_dc* dc);
  65. void rtgui_dc_draw_line (struct rtgui_dc* dc, int x1, int y1, int x2, int y2);
  66. void rtgui_dc_draw_rect (struct rtgui_dc* dc, struct rtgui_rect* rect);
  67. void rtgui_dc_fill_rect_forecolor(struct rtgui_dc* dc, struct rtgui_rect* rect);
  68. void rtgui_dc_draw_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect, int r);
  69. void rtgui_dc_fill_round_rect(struct rtgui_dc* dc, struct rtgui_rect* rect, int r);
  70. void rtgui_dc_draw_annulus(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r1, rt_int16_t r2, rt_int16_t start, rt_int16_t end);
  71. void rtgui_dc_draw_sector(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end);
  72. void rtgui_dc_fill_sector(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end);
  73. void rtgui_dc_draw_text (struct rtgui_dc* dc, const char* text, struct rtgui_rect* rect);
  74. void rtgui_dc_draw_mono_bmp(struct rtgui_dc* dc, int x, int y, int w, int h, const rt_uint8_t* data);
  75. void rtgui_dc_draw_byte(struct rtgui_dc*dc, int x, int y, int h, const rt_uint8_t* data);
  76. void rtgui_dc_draw_word(struct rtgui_dc*dc, int x, int y, int h, const rt_uint8_t* data);
  77. void rtgui_dc_draw_border(struct rtgui_dc* dc, rtgui_rect_t* rect, int flag);
  78. void rtgui_dc_draw_horizontal_line(struct rtgui_dc* dc, int x1, int x2, int y);
  79. void rtgui_dc_draw_vertical_line(struct rtgui_dc* dc, int x, int y1, int y2);
  80. void rtgui_dc_draw_focus_rect(struct rtgui_dc* dc, rtgui_rect_t* rect);
  81. void rtgui_dc_draw_polygon(struct rtgui_dc* dc, const int *vx, const int *vy, int count);
  82. void rtgui_dc_fill_polygon(struct rtgui_dc* dc, const int* vx, const int* vy, int count);
  83. void rtgui_dc_draw_circle(struct rtgui_dc* dc, int x, int y, int r);
  84. void rtgui_dc_fill_circle(struct rtgui_dc* dc, rt_int16_t x, rt_int16_t y, rt_int16_t r);
  85. void rtgui_dc_draw_arc(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t r, rt_int16_t start, rt_int16_t end);
  86. void rtgui_dc_draw_ellipse(struct rtgui_dc* dc, rt_int16_t x, rt_int16_t y, rt_int16_t rx, rt_int16_t ry);
  87. void rtgui_dc_fill_ellipse(struct rtgui_dc *dc, rt_int16_t x, rt_int16_t y, rt_int16_t rx, rt_int16_t ry);
  88. /*
  89. * dc inline function
  90. *
  91. * Note:
  92. * In order to improve drawing speed, put most of common function of dc to inline
  93. */
  94. /*
  95. * draw a point on dc
  96. */
  97. rt_inline void rtgui_dc_draw_point(struct rtgui_dc* dc, int x, int y)
  98. {
  99. dc->engine->draw_point(dc, x, y);
  100. }
  101. /*
  102. * draw a color point on dc
  103. */
  104. rt_inline void rtgui_dc_draw_color_point(struct rtgui_dc* dc, int x, int y, rtgui_color_t color)
  105. {
  106. dc->engine->draw_color_point(dc, x, y, color);
  107. }
  108. /*
  109. * draw a vertical line on dc
  110. */
  111. rt_inline void rtgui_dc_draw_vline(struct rtgui_dc* dc, int x, int y1, int y2)
  112. {
  113. dc->engine->draw_vline(dc, x, y1, y2);
  114. }
  115. /*
  116. * draw a horizontal line on dc
  117. */
  118. rt_inline void rtgui_dc_draw_hline(struct rtgui_dc* dc, int x1, int x2, int y)
  119. {
  120. dc->engine->draw_hline(dc, x1, x2, y);
  121. }
  122. /*
  123. * fill a rect with background color
  124. */
  125. rt_inline void rtgui_dc_fill_rect (struct rtgui_dc* dc, struct rtgui_rect* rect)
  126. {
  127. dc->engine->fill_rect(dc, rect);
  128. }
  129. /*
  130. * blit a dc on hardware dc
  131. */
  132. rt_inline void rtgui_dc_blit(struct rtgui_dc* dc, struct rtgui_point* dc_point, struct rtgui_dc* dest, rtgui_rect_t* rect)
  133. {
  134. dc->engine->blit(dc, dc_point, dest, rect);
  135. }
  136. /*
  137. * set gc of dc
  138. */
  139. rt_inline void rtgui_dc_set_gc(struct rtgui_dc* dc, rtgui_gc_t* gc)
  140. {
  141. dc->engine->set_gc(dc, gc);
  142. }
  143. /*
  144. * get gc of dc
  145. */
  146. rt_inline rtgui_gc_t *rtgui_dc_get_gc(struct rtgui_dc* dc)
  147. {
  148. return dc->engine->get_gc(dc);
  149. }
  150. /*
  151. * get visible status of dc
  152. */
  153. rt_inline rt_bool_t rtgui_dc_get_visible(struct rtgui_dc* dc)
  154. {
  155. return dc->engine->get_visible(dc);
  156. }
  157. /*
  158. * get rect of dc
  159. */
  160. rt_inline void rtgui_dc_get_rect(struct rtgui_dc*dc, rtgui_rect_t* rect)
  161. {
  162. dc->engine->get_rect(dc, rect);
  163. }
  164. #endif