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comparison src/cs/drivers/drv_app/r2d/r2d.h @ 0:4e78acac3d88

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src/{condat,cs,gpf,nucleus}: import from Selenite
author Mychaela Falconia <falcon@freecalypso.org>
date Fri, 16 Oct 2020 06:23:26 +0000
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-1:000000000000 0:4e78acac3d88
1 /**
2
3 @file: r2d.h
4
5 @author Christophe Favergeon
6
7 @version 1.0
8
9 Purpose: Riviera 2D : Public API
10
11 */
12
13 /*
14
15 Date Modification
16 ------------------------------------
17 06/02/2001 Create
18 10/18/2001 Version 0.5 for first integration with Riviera database
19 04/30/2002 Version 1.0
20
21
22 (C) Copyright 2001 by Texas Instruments Incorporated, All Rights Reserved
23 */
24
25 /*
26 History
27
28 Apr-06-2005 MMI-SPR-29655 - xreddymn
29 Added function r2d_flush_region to allow flushing of portions
30 of framebuffer to the display
31
32 */
33
34
35 #ifndef __R2D_H_
36 #define __R2D_H_
37
38 #include "rv/general.h"
39 #include "rvf/rvf_api.h"
40 #include "r2d/r2d_config.h"
41
42
43 /***************************************
44
45 IMPORTANT NOTES
46
47 ***************************************/
48
49 // For speed reasons the system is minimizing
50 // number of checks.
51
52 // So, the user must ensure that some
53 // conditions are respected before she/he
54 // calls the drawing subroutines :
55
56 // For rectangle, ellipse etc... one must
57 // has : br_x > ul_x and br_y > ul_y
58
59 // Rectangles and ellipse where one of
60 // the dimensions is 0 are not allowed
61
62 // For circle, the radius must be strictly
63 // positive
64
65
66
67 /***************************************
68
69 TYPES / CONSTANTS
70
71 ***************************************/
72
73 ////////////////////////////////////////
74 //
75 // GENERAL
76 //
77
78 typedef enum K_R2D_ERROR
79 {
80 R2D_OK=0,
81 R2D_MEMORY_ERR=-4,
82 R2D_UNKNOWN_OP=-5,
83 R2D_LOCK_ERROR=-6,
84 R2D_UNLOCK_ERROR=-7
85 } T_R2D_ERROR;
86
87 ////////////////////////////////////////
88 //
89 // Memory
90 //
91 typedef void *T_R2D_REFCOUNT_PTR;
92
93 // Should NEVER be allocated on stack
94 typedef struct R2D_REFCOUNTING
95 {
96 // Refcounting
97 INT16 refcount;
98 } T_R2D_REFCOUNT;
99
100
101 ////////////////////////////////////////
102 //
103 // Framebuffer
104 //
105 typedef enum {R2D_LCD_KIND=1, R2D_FULL_KIND} T_R2D_FRAMEBUFFER_KIND;
106
107 typedef void *T_R2D_FRAMEBUFFER_PTR;
108
109
110 ////////////////////////////////////////
111 //
112 // Graphic context
113 //
114 typedef void *T_R2D_GC_PTR;
115
116 typedef enum K_R2D_DRAWING_MODE {
117 R2D_COPY_MODE=0,
118 R2D_OR_MODE,
119 R2D_AND_MODE,
120 R2D_XOR_MODE,
121 R2D_NOT_COPY_MODE,
122 R2D_NOT_OR_MODE,
123 R2D_NOT_AND_MODE,
124 R2D_NOT_XOR_MODE,
125 R2D_ALPHA_MODE,
126 R2D_ERASE_MODE
127 } T_R2D_DRAWING_MODE ;
128
129 typedef enum K_R2D_COLOR_REF
130 {
131 R2D_RED=1,
132 R2D_BLUE,
133 R2D_GREEN,
134 R2D_WHITE,
135 R2D_BLACK,
136 R2D_GRAY50
137 } T_R2D_COLOR_REF;
138
139 typedef enum K_R2D_TEXT_FACE
140 {
141 R2D_SYSTEM=1,
142 R2D_TYPEWRITER,
143 R2D_PROPORTIONAL
144 } T_R2D_TEXT_FACE;
145
146 typedef enum K_R2D_TEXT_STYLE
147 {
148 R2D_PLAIN=1,
149 R2D_BOLD=2,
150 R2D_ITALIC=4,
151 R2D_UNDERLINED=8,
152 R2D_STRIKETHROUGH=16
153 } T_R2D_TEXT_STYLE;
154
155 typedef enum K_R2D_TEXT_SIZE
156 {
157 R2D_SMALL=1,
158 R2D_MEDIUM,
159 R2D_LARGE
160 } T_R2D_TEXT_SIZE ;
161
162 typedef enum K_R2D_SCRIPT_MODE
163 {
164 R2D_LEFT_TO_RIGHT=1,
165 R2D_RIGHT_TO_LEFT=2
166 } T_R2D_SCRIPT_MODE ;
167
168
169 ////////////////////////////////////////
170 //
171 // Shapes
172 //
173 typedef void *T_R2D_SHAPE_PTR;
174
175 typedef struct R2D_R
176 {
177 INT16 refcount;
178 void *p_r2d_class;
179 INT16 ul_x,ul_y,br_x,br_y;
180 } T_R2D_RECT;
181
182 ////////////////////////////////////////
183 //
184 // Text
185 //
186 typedef UINT16 T_R2D_UTF16;
187 typedef UINT32* T_R2D_CHAR_METRIC_PTR;
188
189 ////////////////////////////////////////
190 //
191 // Color
192 //
193 typedef UINT32 T_R2D_ARGB_COLOR;
194
195 ////////////////////////////////////////
196 //
197 // Textures
198 //
199 typedef void *T_R2D_FREE_TEXTURE_PTR;
200 typedef void *T_R2D_ANCHORED_TEXTURE_PTR;
201
202
203 /***************************************
204
205 Functions
206
207 ***************************************/
208
209 ////////////////////////////////////////
210 //
211 // Memory
212 //
213
214 // Increment refcount of an object
215 #define r2d_retain(p) {\
216 if (p) \
217 { \
218 if (((T_R2D_REFCOUNT*)(p))->refcount>0) \
219 ((T_R2D_REFCOUNT*)(p))->refcount++; \
220 \
221 } \
222 }
223
224 ////////////////////////////////////////
225 //
226 // Texture
227 //
228
229 // The pattern is an array of ARGB colors saved column per column
230 T_R2D_FREE_TEXTURE_PTR r2d_new_free_texture(T_RVF_MB_ID bank,INT16 size,T_R2D_ARGB_COLOR *pattern);
231 T_R2D_FREE_TEXTURE_PTR r2d_new_const_free_texture(T_RVF_MB_ID bank,INT16 size,T_R2D_ARGB_COLOR *pattern);
232
233 T_R2D_ANCHORED_TEXTURE_PTR r2d_new_anchored_texture(T_RVF_MB_ID bank,T_R2D_GC_PTR gc,T_R2D_FREE_TEXTURE_PTR texture);
234
235 void r2d_release_free_texture(T_R2D_FREE_TEXTURE_PTR texture);
236 void r2d_release_anchored_texture(T_R2D_ANCHORED_TEXTURE_PTR texture);
237
238 ////////////////////////////////////////
239 //
240 // Framebuffer
241 //
242
243
244 T_R2D_FRAMEBUFFER_PTR r2d_new_framebuffer(T_RVF_MB_ID bank,T_R2D_FRAMEBUFFER_KIND the_kind,UINT16 width, UINT16 height);
245 void r2d_release_framebuffer(T_R2D_FRAMEBUFFER_PTR the_framebuffer);
246
247 // return the size used in a memory bank by a framebuffer
248 UINT32 r2d_get_framebuffer_size(T_R2D_FRAMEBUFFER_KIND the_kind,UINT16 width, UINT16 height);
249
250 ////////////////////////////////////////
251 //
252 // Graphic context
253 //
254
255 // Return a new graphical contect connected to the LCD framebuffer
256 // (The LCD framebuffer is private)
257 T_R2D_GC_PTR r2d_new_lcd_context(T_RVF_MB_ID bank);
258
259 // Return a new graphical context connected to a framebuffer
260 T_R2D_GC_PTR r2d_new_context(T_RVF_MB_ID bank,T_R2D_FRAMEBUFFER_PTR the_frame_buffer);
261
262 // Return size used in a memory bank by a graphical context (not taking
263 // into account the framebuffer used by this context)
264 // For LCD context, the LCD framebuffer is created at build time and
265 // does not take any space in any memory bank. Other framebuffers are
266 // using memory from the memory bank
267 UINT32 r2d_get_gc_size(void);
268
269 // Return a graphical context for a picture saved in R2D format
270 T_R2D_GC_PTR r2d_new_picture_context(T_RVF_MB_ID bank,const UINT32 *the_picture,T_R2D_FRAMEBUFFER_KIND kind);
271 void r2d_release_picture_context(T_R2D_GC_PTR gc);
272
273 // Release a graphical context.
274 // For LCD, the framebuffer is released but never deleted
275 // since it is also owned by the R2D software entity
276 void r2d_release_context(T_R2D_GC_PTR gc);
277
278 // Clear the content of the framebuffer referenced by
279 // the graphic context (in white);
280 void r2d_erase(T_R2D_GC_PTR gc);
281 void r2d_erase_with_background(T_R2D_GC_PTR gc,
282 INT16 a,INT16 b,
283 INT16 c,INT16 d);
284
285 // Get size and width of the drawing area of the framebuffer referenced
286 // by the graphic context. The framebuffer (as a memory area) is generally
287 // a bit larger than the drawing area (defined by width*height) because
288 // of memory alignment constraints
289 UINT16 r2d_get_width(T_R2D_GC_PTR gc);
290 UINT16 r2d_get_height(T_R2D_GC_PTR gc);
291
292 void r2d_get_pen_pos(T_R2D_GC_PTR gc,INT16 *x,INT16 *y);
293
294 //
295 // Drawing mode settings
296 T_R2D_DRAWING_MODE r2d_get_drawing_mode(T_R2D_GC_PTR gc);
297 T_R2D_ERROR r2d_set_drawing_mode(T_R2D_GC_PTR gc,T_R2D_DRAWING_MODE the_mode);
298
299 UINT16 r2d_get_pen_size(T_R2D_GC_PTR gc);
300 void r2d_set_pen_size(T_R2D_GC_PTR gc,UINT16 the_size);
301
302 BOOLEAN r2d_dash_enabled(T_R2D_GC_PTR gc);
303 void r2d_set_dash_state(T_R2D_GC_PTR gc,BOOLEAN enabled);
304
305 // Get or set the coordinates of the origin of the framebuffer in the
306 // graphic context (upper-left point)
307 // Clipping shape does not move when origin coordinates are
308 // changed. It is always at the same position relatively to the
309 // framebuffer
310 void r2d_set_context_origin(T_R2D_GC_PTR gc,INT16 x,INT16 y);
311 void r2d_get_context_origin(T_R2D_GC_PTR gc,INT16 *x,INT16 *y);
312
313 // Convert coordinates such that the framebuffer origin is (0,0)
314 // after the transform
315 void r2d_local_to_global(T_R2D_GC_PTR gc,INT16 *x,INT16 *y);
316
317 //
318 // Text settings
319 void r2d_set_text_face(T_R2D_GC_PTR gc,T_R2D_TEXT_FACE the_face);
320 T_R2D_TEXT_FACE r2d_get_text_face(T_R2D_GC_PTR gc);
321
322 void r2d_set_text_style(T_R2D_GC_PTR gc,T_R2D_TEXT_STYLE the_style);
323 T_R2D_TEXT_STYLE r2d_get_text_style(T_R2D_GC_PTR gc);
324
325 void r2d_set_text_size(T_R2D_GC_PTR gc,T_R2D_TEXT_SIZE the_size);
326 T_R2D_TEXT_SIZE r2d_get_text_size(T_R2D_GC_PTR gc);
327
328 T_R2D_ERROR r2d_context_lock(T_R2D_GC_PTR gc);
329 T_R2D_ERROR r2d_context_unlock(T_R2D_GC_PTR gc);
330
331 // Flush lcd framebuffer to force the display
332 void r2d_flush(void);
333
334 // xreddymn Apr-06-2005 MMI-SPR-29655: Function to flush a region to display
335 void r2d_flush_region(INT16 ul_x,INT16 ul_y,INT16 br_x,INT16 br_y);
336
337 void r2d_disable_refresh(void);
338 void r2d_enable_refresh(void);
339
340
341 // Return the a pointer to the memory area containing
342 // pixels for the graphic context gc
343 // Use with care
344 UINT32* r2d_get_pixmap(T_R2D_GC_PTR gc);
345
346 ////////////////////////////////////////
347 //
348 // Colors
349 //
350
351 // (Never assume a particular format for the ARGB field
352 // and use Riviera functions to create/set/get colors)
353
354 // Get ARGB foreground color
355 T_R2D_ARGB_COLOR r2d_get_foreground_color(T_R2D_GC_PTR gc);
356
357 // Set foreground color (seperate components or packed format as
358 // returned by the Riviera 2D API)
359 void r2d_set_foreground_color_with_argb(T_R2D_GC_PTR gc,UINT16 alpha,UINT16 red,
360 UINT16 green,UINT16 blue);
361 void r2d_set_foreground_color(T_R2D_GC_PTR gc,T_R2D_ARGB_COLOR color);
362
363 // Get ARGB background color
364 T_R2D_ARGB_COLOR r2d_get_background_color(T_R2D_GC_PTR gc);
365
366 // Set ARGB background color
367 // ("A" field not supported in that version)
368 void r2d_set_background_color_with_argb(T_R2D_GC_PTR gc,UINT16 alpha,UINT16 red,
369 UINT16 green,UINT16 blue);
370 void r2d_set_background_color(T_R2D_GC_PTR gc,T_R2D_ARGB_COLOR color);
371
372 // Set background texture
373 // (it hides temporarily the background color)
374 void r2d_set_background_texture(T_R2D_GC_PTR gc,T_R2D_ANCHORED_TEXTURE_PTR texture);
375 T_R2D_ANCHORED_TEXTURE_PTR r2d_get_background_texture(T_R2D_GC_PTR gc);
376
377
378 // Get color components from an ARGB color
379 #define r2d_alpha(color) ((UINT16)(((color & 0x0FF000000) >> 24)))
380 #define r2d_red(color) ((UINT16)(((color & 0x0FF0000) >> 16)))
381 #define r2d_green(color) ((UINT16)(((color & 0x0FF00) >> 8)))
382 #define r2d_blue(color) ((UINT16)(((color & 0x00FF))))
383
384 T_R2D_ARGB_COLOR r2d_new_argb_color(UINT16 alpha,UINT16 red,UINT16 green,UINT16 blue);
385
386 T_R2D_ARGB_COLOR r2d_get_argb_color_at_point(T_R2D_GC_PTR gc,INT16 x,INT16 y);
387 T_R2D_ARGB_COLOR r2d_get_standard_argb_color(T_R2D_COLOR_REF ref);
388 void r2d_hsv_to_rgb( INT16 *r, INT16 *g, INT16 *b, INT32 h, INT32 s, INT32 v );
389
390 ////////////////////////////////////////
391 //
392 // Shape functions
393 //
394
395 void r2d_draw_shape(T_R2D_SHAPE_PTR self,T_R2D_GC_PTR gc);
396 void r2d_fill_shape(T_R2D_SHAPE_PTR self,T_R2D_GC_PTR gc);
397 void r2d_translate_shape(T_R2D_SHAPE_PTR self,INT16 dx,INT16 dy);
398 void r2d_release_shape(T_R2D_SHAPE_PTR self);
399 T_R2D_SHAPE_PTR r2d_clone_shape(T_RVF_MB_ID bank,T_R2D_SHAPE_PTR self);
400
401
402 T_R2D_SHAPE_PTR r2d_new_rectangle(T_RVF_MB_ID bank,INT16 ul_x,INT16 ul_y,INT16 br_x,INT16 br_y);
403 T_R2D_SHAPE_PTR r2d_new_circle(T_RVF_MB_ID bank,INT16 x,INT16 y,INT16 r);
404 T_R2D_SHAPE_PTR r2d_new_ellipse(T_RVF_MB_ID bank,INT16 ul_x,INT16 ul_y,INT16 br_x,INT16 br_y);
405 T_R2D_SHAPE_PTR r2d_new_round_rectangle(T_RVF_MB_ID bank,INT16 ul_x,INT16 ul_y,
406 INT16 br_x,INT16 br_y,INT16 h,INT16 v);
407
408 T_R2D_SHAPE_PTR r2d_new_arc(T_RVF_MB_ID bank,INT16 start_angle, INT16 stop_angle,INT16 ul_x,INT16 ul_y,
409 INT16 br_x,INT16 br_y);
410
411 T_R2D_SHAPE_PTR r2d_new_text(T_RVF_MB_ID bank,INT16 x, INT16 y,T_R2D_UTF16 *the_text);
412
413 T_R2D_SHAPE_PTR r2d_new_rectangle_intersection(T_RVF_MB_ID bank,T_R2D_SHAPE_PTR a,T_R2D_SHAPE_PTR b);
414 T_R2D_SHAPE_PTR r2d_new_rectangle_union(T_RVF_MB_ID bank,T_R2D_SHAPE_PTR a,T_R2D_SHAPE_PTR b);
415
416 #define r2d_get_xmin(r) ((INT16)(((T_R2D_RECT*)r)->ul_x))
417 #define r2d_get_ymin(r) ((INT16)(((T_R2D_RECT*)r)->ul_y))
418 #define r2d_get_xmax(r) ((INT16)(((T_R2D_RECT*)r)->br_x))
419 #define r2d_get_ymax(r) ((INT16)(((T_R2D_RECT*)r)->br_y))
420 #define r2d_get_shape_width(r) (((INT16)(((T_R2D_RECT*)r)->br_x)) - ((INT16)(((T_R2D_RECT*)r)->ul_x)))
421 #define r2d_get_shape_height(r) (((INT16)(((T_R2D_RECT*)r)->br_y)) - ((INT16)(((T_R2D_RECT*)r)->ul_y)))
422
423 ////////////////////////////////////////
424 //
425 // Clipping functions
426 //
427
428 // For clipping with rectangle, we stop
429 // before xmax (at xmax-1)
430 // contrary to rectangle drawing where xmax is drawn
431 void r2d_set_clipping_shape(T_R2D_SHAPE_PTR self,T_R2D_GC_PTR gc);
432 T_R2D_SHAPE_PTR r2d_get_clipping_shape(T_R2D_GC_PTR gc);
433 T_R2D_ERROR r2d_restore_standard_clipping_shape(T_R2D_GC_PTR gc);
434
435 ////////////////////////////////////////
436 //
437 // Test functions
438 //
439 BOOLEAN r2d_point_in_shape(T_R2D_SHAPE_PTR r,INT16 x,INT16 y);
440
441 ///////////////////////////////////////
442 //
443 // Drawing functions
444 //
445
446 // Draw a point in graphical context gc at position (x, y)
447 void r2d_draw_point(T_R2D_GC_PTR gc,INT16 x,INT16 y);
448 void r2d_erase_point(T_R2D_GC_PTR gc,INT16 x,INT16 y);
449
450 // Move pen to point (x,y)
451 void r2d_moveto(T_R2D_GC_PTR gc,INT16 x,INT16 y);
452 // draw line from pen position to point (x,y)
453 // (Last point at (x,y) is NOT drawn since x,y is the ending
454 // coordinate and not the ending point)
455 void r2d_lineto(T_R2D_GC_PTR gc,INT16 x,INT16 y);
456
457 // br means bottom right as displayed on screen but
458 // br has a higher y coordinate than ul
459 // since y increasing means below
460
461 // Rectangle
462 void r2d_draw_rectangle(T_R2D_GC_PTR gc,
463 INT16 ul_x,INT16 ul_y,INT16 bl_x, INT16 bl_y);
464 void r2d_fill_rectangle(T_R2D_GC_PTR gc,
465 INT16 ul_x,INT16 ul_y,INT16 br_x, INT16 br_y);
466
467 // Circle
468 void r2d_draw_circle(T_R2D_GC_PTR gc,
469 INT16 x,INT16 y,INT16 r);
470 void r2d_fill_circle(T_R2D_GC_PTR gc,
471 INT16 x,INT16 y,INT16 r);
472
473 // Ellipse
474 void r2d_draw_ellipse(T_R2D_GC_PTR gc,
475 INT16 ul_x,INT16 ul_y,INT16 bl_x, INT16 bl_y);
476 void r2d_fill_ellipse(T_R2D_GC_PTR gc,
477 INT16 ul_x,INT16 ul_y,INT16 bl_x, INT16 bl_y);
478
479
480 // Round Rectangle
481 void r2d_draw_round_rectangle(T_R2D_GC_PTR gc,
482 INT16 ul_x,INT16 ul_y,INT16 bl_x, INT16 bl_y,INT16 h,INT16 v);
483 void r2d_fill_round_rectangle(T_R2D_GC_PTR gc,
484 INT16 ul_x,INT16 ul_y,INT16 bl_x, INT16 bl_y,INT16 h,INT16 v);
485
486 // Ellipse arc
487
488 void r2d_draw_arc(T_R2D_GC_PTR gc,INT16 start_angle,INT16 stop_angle,
489 INT16 ul_x,INT16 ul_y,INT16 bl_x,INT16 bl_y);
490 void r2d_fill_arc(T_R2D_GC_PTR gc, INT16 start_angle,INT16 stop_angle,
491 INT16 ul_x,INT16 ul_y,INT16 bl_x, INT16 bl_y);
492
493 ///////////////////////////////////////
494 //
495 // Copy function
496 //
497
498 T_R2D_ERROR r2d_blit_rect(T_R2D_GC_PTR src_gc,T_R2D_GC_PTR dst_gc,
499 T_R2D_SHAPE_PTR src_rectangle,
500 T_R2D_SHAPE_PTR dst_rectangle,
501 BOOLEAN use_foreground_color);
502
503
504
505 ///////////////////////////////////////
506 //
507 // Text functions
508 //
509
510 #define r2d_get_char_width(p) (((INT32*)p)[1])
511 #define r2d_get_char_height(p) (((INT32*)p)[2])
512 #define r2d_get_char_dx(p) (((INT32*)p)[3])
513 #define r2d_get_char_dy(p) (((INT32*)p)[4])
514 #define r2d_get_char_org_x(p) (((INT32*)p)[5])
515 #define r2d_get_char_org_y(p) (((INT32*)p)[6])
516
517 // Return nb of word16 (a Glyph may be made of more than one Unicode char
518 // so from more than one word16. Consequently, it does not represent the number
519 // or displayed chars)
520 INT16 r2d_str_nb_word16(T_R2D_UTF16 *l);
521 T_R2D_UTF16 *r2d_duplicate_text(T_RVF_MB_ID bank,T_R2D_UTF16 *l);
522
523 T_R2D_UTF16 *r2d_new_unicode_from_cstring(T_RVF_MB_ID bank,unsigned char *the_string);
524 T_R2D_UTF16 *r2d_new_unicode_from_pstring(T_RVF_MB_ID bank,unsigned char *the_string);
525
526 T_R2D_CHAR_METRIC_PTR r2d_get_char_metrics(T_R2D_GC_PTR gc,UINT32 the_char);
527
528 UINT32 r2d_get_next_char(T_R2D_UTF16 *the_text,INT16 *pos,
529 UINT16 max_chars,BOOLEAN *swapping);
530
531
532 T_R2D_ERROR r2d_draw_char(T_R2D_GC_PTR font_cache_gc,
533 T_R2D_GC_PTR gc,
534 T_R2D_GC_PTR fontgc,
535 INT16 x,INT16 y,INT16 org_size,T_R2D_CHAR_METRIC_PTR p);
536
537 T_R2D_ERROR r2d_draw_text(T_R2D_GC_PTR gc,INT16 x,INT16 y,T_R2D_UTF16 *the_text);
538
539 // Length is given in word16
540 T_R2D_ERROR r2d_draw_chars(T_R2D_GC_PTR gc,INT16 x,INT16 y,T_R2D_UTF16 *the_text,
541 UINT16 nb_words16);
542
543 T_R2D_ERROR r2d_get_text_width(T_R2D_GC_PTR gc,T_R2D_UTF16 *the_text,UINT16 *size);
544
545 // Length is given in word16
546 T_R2D_ERROR r2d_get_width_of_chars(T_R2D_GC_PTR gc,T_R2D_UTF16 *the_text,UINT16 nb_words16,UINT16 *size);
547
548
549 void r2d_get_font_info(T_R2D_GC_PTR gc,INT16 *ascent,INT16 *descent,INT16 *leading);
550
551 T_R2D_SCRIPT_MODE r2d_get_script_mode(T_R2D_GC_PTR gc);
552 void r2d_set_script_mode(T_R2D_GC_PTR gc,T_R2D_SCRIPT_MODE mode);
553
554 ///////////////////////////////////////
555 //
556 // Globals
557 //
558
559 #define R2D_EMPTY_RECT NULL
560 extern T_R2D_GC_PTR r2d_g_lcd_gc;
561 extern INT16 r2d_g_refresh_disabled;
562
563 #endif