1 |
|
|
/*************************************************************************** |
2 |
|
|
* Copyright (c) 2024 Microsoft Corporation |
3 |
|
|
* |
4 |
|
|
* This program and the accompanying materials are made available under the |
5 |
|
|
* terms of the MIT License which is available at |
6 |
|
|
* https://opensource.org/licenses/MIT. |
7 |
|
|
* |
8 |
|
|
* SPDX-License-Identifier: MIT |
9 |
|
|
**************************************************************************/ |
10 |
|
|
|
11 |
|
|
|
12 |
|
|
/**************************************************************************/ |
13 |
|
|
/**************************************************************************/ |
14 |
|
|
/** */ |
15 |
|
|
/** GUIX Component */ |
16 |
|
|
/** */ |
17 |
|
|
/** Display Management (Display) */ |
18 |
|
|
/** */ |
19 |
|
|
/**************************************************************************/ |
20 |
|
|
|
21 |
|
|
#define GX_SOURCE_CODE |
22 |
|
|
|
23 |
|
|
|
24 |
|
|
/* Include necessary system files. */ |
25 |
|
|
|
26 |
|
|
#include "gx_api.h" |
27 |
|
|
#include "gx_display.h" |
28 |
|
|
#include "gx_context.h" |
29 |
|
|
|
30 |
|
|
|
31 |
|
|
/**************************************************************************/ |
32 |
|
|
/* */ |
33 |
|
|
/* FUNCTION RELEASE */ |
34 |
|
|
/* */ |
35 |
|
|
/* _gx_display_driver_4444argb_pixelmap_alpha_write PORTABLE C */ |
36 |
|
|
/* 6.1 */ |
37 |
|
|
/* AUTHOR */ |
38 |
|
|
/* */ |
39 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
40 |
|
|
/* */ |
41 |
|
|
/* DESCRIPTION */ |
42 |
|
|
/* */ |
43 |
|
|
/* Internal helper function that handles writing of uncompressed */ |
44 |
|
|
/* pixlemap file with alpha channel. */ |
45 |
|
|
/* */ |
46 |
|
|
/* INPUT */ |
47 |
|
|
/* */ |
48 |
|
|
/* context Drawing context */ |
49 |
|
|
/* xpos x-coord of top-left draw point*/ |
50 |
|
|
/* ypos y-coord of top-left draw point*/ |
51 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
52 |
|
|
/* */ |
53 |
|
|
/* OUTPUT */ |
54 |
|
|
/* */ |
55 |
|
|
/* None */ |
56 |
|
|
/* */ |
57 |
|
|
/* CALLS */ |
58 |
|
|
/* */ |
59 |
|
|
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
60 |
|
|
/* blend function */ |
61 |
|
|
/* */ |
62 |
|
|
/* CALLED BY */ |
63 |
|
|
/* */ |
64 |
|
|
/* _gx_display_driver_4444argb_pixelmap_draw */ |
65 |
|
|
/* */ |
66 |
|
|
/* RELEASE HISTORY */ |
67 |
|
|
/* */ |
68 |
|
|
/* DATE NAME DESCRIPTION */ |
69 |
|
|
/* */ |
70 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
71 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
72 |
|
|
/* resulting in version 6.1 */ |
73 |
|
|
/* */ |
74 |
|
|
/**************************************************************************/ |
75 |
|
844 |
static VOID _gx_display_driver_4444argb_pixelmap_alpha_write(GX_DRAW_CONTEXT *context, |
76 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap) |
77 |
|
|
{ |
78 |
|
|
INT skipcount; |
79 |
|
|
INT xval; |
80 |
|
|
INT yval; |
81 |
|
|
USHORT *getrow; |
82 |
|
|
GX_CONST USHORT *get; |
83 |
|
|
USHORT pixel; |
84 |
|
|
GX_UBYTE alpha; |
85 |
|
|
GX_UBYTE brush_alpha; |
86 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR color, GX_UBYTE alpha); |
87 |
|
844 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
88 |
|
|
|
89 |
|
844 |
brush_alpha = context -> gx_draw_context_brush.gx_brush_alpha; |
90 |
|
844 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
91 |
✓✓ |
844 |
if (!blend_func) |
92 |
|
|
{ |
93 |
|
1 |
return; |
94 |
|
|
} |
95 |
|
|
|
96 |
|
|
/* calculate how many pixels to skip */ |
97 |
|
843 |
skipcount = (pixelmap -> gx_pixelmap_width) * (clip -> gx_rectangle_top - ypos); |
98 |
|
843 |
skipcount += (clip -> gx_rectangle_left - xpos); |
99 |
|
843 |
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
100 |
|
843 |
getrow += skipcount; |
101 |
|
|
|
102 |
✓✓ |
211723 |
for (yval = clip -> gx_rectangle_top; yval <= clip -> gx_rectangle_bottom; yval++) |
103 |
|
|
{ |
104 |
|
210880 |
get = getrow; |
105 |
|
|
|
106 |
✓✓ |
55451888 |
for (xval = clip -> gx_rectangle_left; xval <= clip -> gx_rectangle_right; xval++) |
107 |
|
|
{ |
108 |
|
55241008 |
pixel = *get++; |
109 |
|
55241008 |
alpha = (GX_UBYTE)(pixel >> 12); |
110 |
✓✓ |
55241008 |
if (alpha) |
111 |
|
|
{ |
112 |
|
26043286 |
blend_func(context, xval, yval, pixel, brush_alpha); |
113 |
|
|
} |
114 |
|
|
} |
115 |
|
210880 |
getrow += pixelmap -> gx_pixelmap_width; |
116 |
|
|
} |
117 |
|
|
} |
118 |
|
|
|
119 |
|
|
/**************************************************************************/ |
120 |
|
|
/* */ |
121 |
|
|
/* FUNCTION RELEASE */ |
122 |
|
|
/* */ |
123 |
|
|
/* _gx_display_driver_4444argb_pixelmap_raw_write PORTABLE C */ |
124 |
|
|
/* 6.1 */ |
125 |
|
|
/* AUTHOR */ |
126 |
|
|
/* */ |
127 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
128 |
|
|
/* */ |
129 |
|
|
/* DESCRIPTION */ |
130 |
|
|
/* */ |
131 |
|
|
/* Internal helper function that handles writing of uncompressed */ |
132 |
|
|
/* pixlemap file with 0xf alpha channel value. */ |
133 |
|
|
/* */ |
134 |
|
|
/* INPUT */ |
135 |
|
|
/* */ |
136 |
|
|
/* context Drawing context */ |
137 |
|
|
/* xpos x-coord of top-left draw point*/ |
138 |
|
|
/* ypos y-coord of top-left draw point*/ |
139 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
140 |
|
|
/* */ |
141 |
|
|
/* OUTPUT */ |
142 |
|
|
/* */ |
143 |
|
|
/* None */ |
144 |
|
|
/* */ |
145 |
|
|
/* CALLS */ |
146 |
|
|
/* */ |
147 |
|
|
/* None */ |
148 |
|
|
/* */ |
149 |
|
|
/* CALLED BY */ |
150 |
|
|
/* */ |
151 |
|
|
/* _gx_display_driver_4444argb_pixelmap_draw */ |
152 |
|
|
/* */ |
153 |
|
|
/* RELEASE HISTORY */ |
154 |
|
|
/* */ |
155 |
|
|
/* DATE NAME DESCRIPTION */ |
156 |
|
|
/* */ |
157 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
158 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
159 |
|
|
/* resulting in version 6.1 */ |
160 |
|
|
/* */ |
161 |
|
|
/**************************************************************************/ |
162 |
|
120 |
static VOID _gx_display_driver_4444argb_pixelmap_raw_write(GX_DRAW_CONTEXT *context, |
163 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap) |
164 |
|
|
{ |
165 |
|
|
INT skipcount; |
166 |
|
|
INT xval; |
167 |
|
|
INT yval; |
168 |
|
|
USHORT *getrow; |
169 |
|
|
GX_CONST USHORT *get; |
170 |
|
|
USHORT pixel; |
171 |
|
|
USHORT *put; |
172 |
|
|
USHORT *putrow; |
173 |
|
120 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
174 |
|
|
|
175 |
|
|
/* calculate how many pixels to skip */ |
176 |
|
120 |
skipcount = (pixelmap -> gx_pixelmap_width) * (clip -> gx_rectangle_top - ypos); |
177 |
|
120 |
skipcount += (clip -> gx_rectangle_left - xpos); |
178 |
|
120 |
getrow = (USHORT *)(pixelmap -> gx_pixelmap_data); |
179 |
|
120 |
getrow += skipcount; |
180 |
|
|
|
181 |
|
120 |
putrow = (USHORT *)context -> gx_draw_context_memory; |
182 |
|
120 |
putrow += (clip -> gx_rectangle_top) * context -> gx_draw_context_pitch; |
183 |
|
120 |
putrow += clip -> gx_rectangle_left; |
184 |
|
|
|
185 |
✓✓ |
15686 |
for (yval = clip -> gx_rectangle_top; yval <= clip -> gx_rectangle_bottom; yval++) |
186 |
|
|
{ |
187 |
|
15566 |
get = getrow; |
188 |
|
15566 |
put = putrow; |
189 |
|
|
|
190 |
✓✓ |
3355741 |
for (xval = clip -> gx_rectangle_left; xval <= clip -> gx_rectangle_right; xval++) |
191 |
|
|
{ |
192 |
|
|
/*Or with 0xf000 to make sure it has no alpha.*/ |
193 |
|
3340175 |
pixel = (*get++) | 0xf000; |
194 |
|
3340175 |
*put++ = pixel; |
195 |
|
|
} |
196 |
|
15566 |
getrow += pixelmap -> gx_pixelmap_width; |
197 |
|
15566 |
putrow += context -> gx_draw_context_pitch; |
198 |
|
|
} |
199 |
|
120 |
} |
200 |
|
|
|
201 |
|
|
/**************************************************************************/ |
202 |
|
|
/* */ |
203 |
|
|
/* FUNCTION RELEASE */ |
204 |
|
|
/* */ |
205 |
|
|
/* _gx_display_driver_4444argb_pixelmap_c_a_write PORTABLE C */ |
206 |
|
|
/* 6.1 */ |
207 |
|
|
/* AUTHOR */ |
208 |
|
|
/* */ |
209 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
210 |
|
|
/* */ |
211 |
|
|
/* DESCRIPTION */ |
212 |
|
|
/* */ |
213 |
|
|
/* Internal helper function that handles writing of compressed */ |
214 |
|
|
/* pixlemap file with alpha channel. */ |
215 |
|
|
/* */ |
216 |
|
|
/* INPUT */ |
217 |
|
|
/* */ |
218 |
|
|
/* context Drawing context */ |
219 |
|
|
/* xpos x-coord of top-left draw point*/ |
220 |
|
|
/* ypos y-coord of top-left draw point*/ |
221 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
222 |
|
|
/* */ |
223 |
|
|
/* OUTPUT */ |
224 |
|
|
/* */ |
225 |
|
|
/* None */ |
226 |
|
|
/* */ |
227 |
|
|
/* CALLS */ |
228 |
|
|
/* */ |
229 |
|
|
/* [gx_display_driver_pixel_blend] Basic display driver pixel */ |
230 |
|
|
/* blend function */ |
231 |
|
|
/* */ |
232 |
|
|
/* CALLED BY */ |
233 |
|
|
/* */ |
234 |
|
|
/* _gx_display_driver_4444argb_pixelmap_draw */ |
235 |
|
|
/* */ |
236 |
|
|
/* RELEASE HISTORY */ |
237 |
|
|
/* */ |
238 |
|
|
/* DATE NAME DESCRIPTION */ |
239 |
|
|
/* */ |
240 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
241 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
242 |
|
|
/* resulting in version 6.1 */ |
243 |
|
|
/* */ |
244 |
|
|
/**************************************************************************/ |
245 |
|
9734 |
static VOID _gx_display_driver_4444argb_pixelmap_compressed_alpha_write(GX_DRAW_CONTEXT *context, |
246 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap) |
247 |
|
|
{ |
248 |
|
|
INT yval; |
249 |
|
|
INT xval; |
250 |
|
|
GX_CONST USHORT *get; |
251 |
|
|
USHORT count; |
252 |
|
|
USHORT pixel; |
253 |
|
|
GX_UBYTE alpha; |
254 |
|
|
GX_UBYTE brush_alpha; |
255 |
|
|
VOID (*blend_func)(GX_DRAW_CONTEXT *context, INT x, INT y, GX_COLOR fcolor, GX_UBYTE alpha); |
256 |
|
9734 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
257 |
|
|
|
258 |
|
9734 |
get = (GX_CONST USHORT *)pixelmap -> gx_pixelmap_data; |
259 |
|
9734 |
brush_alpha = context -> gx_draw_context_brush.gx_brush_alpha; |
260 |
|
9734 |
blend_func = context -> gx_draw_context_display -> gx_display_driver_pixel_blend; |
261 |
|
|
|
262 |
✓✓ |
9734 |
if (blend_func == GX_NULL) |
263 |
|
|
{ |
264 |
|
106 |
return; |
265 |
|
|
} |
266 |
|
|
|
267 |
|
|
/* first, skip to the starting row */ |
268 |
✓✓ |
9748 |
for (yval = ypos; yval < clip -> gx_rectangle_top; yval++) |
269 |
|
|
{ |
270 |
|
120 |
xval = 0; |
271 |
✓✓ |
895 |
while (xval < pixelmap -> gx_pixelmap_width) |
272 |
|
|
{ |
273 |
|
775 |
count = *get++; |
274 |
|
|
|
275 |
✓✓ |
775 |
if (count & 0x8000) |
276 |
|
|
{ |
277 |
|
543 |
count = (USHORT)((count & 0x7fff) + 1); |
278 |
|
543 |
get++; /* skip repeated pixel value */ |
279 |
|
|
} |
280 |
|
|
else |
281 |
|
|
{ |
282 |
|
232 |
count++; |
283 |
|
232 |
get += count; /* skip raw pixel values */ |
284 |
|
|
} |
285 |
|
775 |
xval += count; |
286 |
|
|
} |
287 |
|
|
} |
288 |
|
|
|
289 |
|
|
/* now we are on the first visible row, copy pixels until we get |
290 |
|
|
to the enf of the last visible row |
291 |
|
|
*/ |
292 |
✓✓ |
193955 |
while (yval <= clip -> gx_rectangle_bottom) |
293 |
|
|
{ |
294 |
|
184327 |
xval = xpos; |
295 |
|
|
|
296 |
✓✓ |
886640 |
while (xval < xpos + pixelmap -> gx_pixelmap_width) |
297 |
|
|
{ |
298 |
|
702313 |
count = *get++; |
299 |
|
|
|
300 |
✓✓ |
702313 |
if (count & 0x8000) |
301 |
|
|
{ |
302 |
|
|
/* repeated value */ |
303 |
|
343686 |
count = (USHORT)((count & 0x7fff) + 1); |
304 |
|
343686 |
pixel = *get++; |
305 |
|
343686 |
alpha = (GX_UBYTE)(pixel >> 12); |
306 |
|
|
|
307 |
✓✓ |
343686 |
if (alpha) |
308 |
|
|
{ |
309 |
✓✓ |
1473067 |
while (count--) |
310 |
|
|
{ |
311 |
✓✓ |
1311558 |
if (xval >= clip -> gx_rectangle_left && |
312 |
✓✓ |
1302360 |
xval <= clip -> gx_rectangle_right) |
313 |
|
|
{ |
314 |
|
1300411 |
blend_func(context, xval, yval, pixel, brush_alpha); |
315 |
|
|
} |
316 |
|
1311558 |
xval++; |
317 |
|
|
} |
318 |
|
|
} |
319 |
|
|
else |
320 |
|
|
{ |
321 |
|
182177 |
xval += count; |
322 |
|
|
} |
323 |
|
|
} |
324 |
|
|
else |
325 |
|
|
{ |
326 |
|
|
/* string of non-repeated values */ |
327 |
|
358627 |
count++; |
328 |
✓✓ |
2175032 |
while (count--) |
329 |
|
|
{ |
330 |
✓✓ |
1816405 |
if (xval >= clip -> gx_rectangle_left && |
331 |
✓✓ |
1815566 |
xval <= clip -> gx_rectangle_right) |
332 |
|
|
{ |
333 |
|
1815167 |
blend_func(context, xval, yval, *get, brush_alpha); |
334 |
|
|
} |
335 |
|
1816405 |
get++; |
336 |
|
1816405 |
xval++; |
337 |
|
|
} |
338 |
|
|
} |
339 |
|
|
} |
340 |
|
184327 |
yval++; |
341 |
|
|
} |
342 |
|
|
} |
343 |
|
|
|
344 |
|
|
/**************************************************************************/ |
345 |
|
|
/* */ |
346 |
|
|
/* FUNCTION RELEASE */ |
347 |
|
|
/* */ |
348 |
|
|
/* _gx_display_driver_4444argb_pixelmap_compressed_write */ |
349 |
|
|
/* PORTABLE C */ |
350 |
|
|
/* 6.1 */ |
351 |
|
|
/* AUTHOR */ |
352 |
|
|
/* */ |
353 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
354 |
|
|
/* */ |
355 |
|
|
/* DESCRIPTION */ |
356 |
|
|
/* */ |
357 |
|
|
/* Internal helper function that handles writing of compressed */ |
358 |
|
|
/* pixlemap file without alpha channel. */ |
359 |
|
|
/* */ |
360 |
|
|
/* INPUT */ |
361 |
|
|
/* */ |
362 |
|
|
/* context Drawing context */ |
363 |
|
|
/* xpos x-coord of top-left draw point*/ |
364 |
|
|
/* ypos y-coord of top-left draw point*/ |
365 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
366 |
|
|
/* */ |
367 |
|
|
/* OUTPUT */ |
368 |
|
|
/* */ |
369 |
|
|
/* None */ |
370 |
|
|
/* */ |
371 |
|
|
/* CALLS */ |
372 |
|
|
/* */ |
373 |
|
|
/* None */ |
374 |
|
|
/* */ |
375 |
|
|
/* CALLED BY */ |
376 |
|
|
/* */ |
377 |
|
|
/* _gx_display_driver_4444argb_pixelmap_draw */ |
378 |
|
|
/* */ |
379 |
|
|
/* RELEASE HISTORY */ |
380 |
|
|
/* */ |
381 |
|
|
/* DATE NAME DESCRIPTION */ |
382 |
|
|
/* */ |
383 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
384 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
385 |
|
|
/* resulting in version 6.1 */ |
386 |
|
|
/* */ |
387 |
|
|
/**************************************************************************/ |
388 |
|
3793 |
static VOID _gx_display_driver_4444argb_pixelmap_compressed_write(GX_DRAW_CONTEXT *context, |
389 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap) |
390 |
|
|
{ |
391 |
|
|
INT yval; |
392 |
|
|
INT xval; |
393 |
|
|
GX_CONST USHORT *get; |
394 |
|
|
USHORT count; |
395 |
|
|
USHORT pixel; |
396 |
|
|
USHORT *put; |
397 |
|
|
USHORT *putrow; |
398 |
|
3793 |
GX_RECTANGLE *clip = context -> gx_draw_context_clip; |
399 |
|
|
|
400 |
|
3793 |
get = (GX_CONST USHORT *)pixelmap -> gx_pixelmap_data; |
401 |
|
|
|
402 |
|
|
/* first, skip to the starting row */ |
403 |
✓✓ |
3813 |
for (yval = ypos; yval < clip -> gx_rectangle_top; yval++) |
404 |
|
|
{ |
405 |
|
20 |
xval = 0; |
406 |
✓✓ |
2659 |
while (xval < pixelmap -> gx_pixelmap_width) |
407 |
|
|
{ |
408 |
|
2639 |
count = *get++; |
409 |
|
|
|
410 |
✓✓ |
2639 |
if (count & 0x8000) |
411 |
|
|
{ |
412 |
|
1463 |
count = (USHORT)((count & 0x7fff) + 1); |
413 |
|
1463 |
get++; /* skip repeated pixel value */ |
414 |
|
|
} |
415 |
|
|
else |
416 |
|
|
{ |
417 |
|
1176 |
count++; |
418 |
|
1176 |
get += count; /* skip raw pixel values */ |
419 |
|
|
} |
420 |
|
2639 |
xval += count; |
421 |
|
|
} |
422 |
|
|
} |
423 |
|
|
|
424 |
|
|
/* now we are on the first visible row, copy pixels until we get |
425 |
|
|
to the enf of the last visible row |
426 |
|
|
*/ |
427 |
|
3793 |
putrow = (USHORT *)context -> gx_draw_context_memory; |
428 |
|
3793 |
putrow += clip -> gx_rectangle_top * context -> gx_draw_context_pitch; |
429 |
|
3793 |
putrow += clip -> gx_rectangle_left; |
430 |
|
|
|
431 |
✓✓ |
91077 |
while (yval <= clip -> gx_rectangle_bottom) |
432 |
|
|
{ |
433 |
|
87284 |
xval = xpos; |
434 |
|
87284 |
put = putrow; |
435 |
|
|
|
436 |
✓✓ |
4069790 |
while (xval < xpos + pixelmap -> gx_pixelmap_width) |
437 |
|
|
{ |
438 |
|
3982506 |
count = *get++; |
439 |
|
|
|
440 |
✓✓ |
3982506 |
if (count & 0x8000) |
441 |
|
|
{ |
442 |
|
|
/* repeated value */ |
443 |
|
2154355 |
count = (USHORT)((count & 0x7fff) + 1); |
444 |
|
|
/*Or with 0xf000 to make sure it has no alpha.*/ |
445 |
|
2154355 |
pixel = (*get++) | 0xf000 ; |
446 |
✓✓ |
11785551 |
while (count--) |
447 |
|
|
{ |
448 |
✓✓ |
9631196 |
if (xval >= clip -> gx_rectangle_left && |
449 |
✓✓ |
9625775 |
xval <= clip -> gx_rectangle_right) |
450 |
|
|
{ |
451 |
|
2629834 |
*put++ = pixel; |
452 |
|
|
} |
453 |
|
9631196 |
xval++; |
454 |
|
|
} |
455 |
|
|
} |
456 |
|
|
else |
457 |
|
|
{ |
458 |
|
|
/* string of non-repeated values */ |
459 |
|
1828151 |
count++; |
460 |
✓✓ |
19541931 |
while (count--) |
461 |
|
|
{ |
462 |
✓✓ |
17713780 |
if (xval >= clip -> gx_rectangle_left && |
463 |
✓✓ |
17707441 |
xval <= clip -> gx_rectangle_right) |
464 |
|
|
{ |
465 |
|
|
/*Or with 0xf000 to make sure it has no alpha.*/ |
466 |
|
4152698 |
pixel = (*get) | 0xf000; |
467 |
|
4152698 |
*put++ = pixel; |
468 |
|
|
} |
469 |
|
17713780 |
get++; |
470 |
|
17713780 |
xval++; |
471 |
|
|
} |
472 |
|
|
} |
473 |
|
|
} |
474 |
|
87284 |
putrow += context -> gx_draw_context_pitch; |
475 |
|
87284 |
yval++; |
476 |
|
|
} |
477 |
|
3793 |
} |
478 |
|
|
/**************************************************************************/ |
479 |
|
|
/* */ |
480 |
|
|
/* FUNCTION RELEASE */ |
481 |
|
|
/* */ |
482 |
|
|
/* _gx_display_driver_4444argb_pixelmap_draw PORTABLE C */ |
483 |
|
|
/* 6.1 */ |
484 |
|
|
/* AUTHOR */ |
485 |
|
|
/* */ |
486 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
487 |
|
|
/* */ |
488 |
|
|
/* DESCRIPTION */ |
489 |
|
|
/* */ |
490 |
|
|
/* 565rgb screen driver pixelmap drawing function that handles */ |
491 |
|
|
/* compressed or uncompress, with or without alpha channel. */ |
492 |
|
|
/* */ |
493 |
|
|
/* INPUT */ |
494 |
|
|
/* */ |
495 |
|
|
/* context Drawing context */ |
496 |
|
|
/* xpos x-coord of top-left draw point*/ |
497 |
|
|
/* ypos y-coord of top-left draw point*/ |
498 |
|
|
/* pixelmap Pointer to GX_PIXELMAP struct */ |
499 |
|
|
/* */ |
500 |
|
|
/* OUTPUT */ |
501 |
|
|
/* */ |
502 |
|
|
/* None */ |
503 |
|
|
/* */ |
504 |
|
|
/* CALLS */ |
505 |
|
|
/* */ |
506 |
|
|
/* _gx_display_driver_4444argb_pixelmap_compressed_alpha_write */ |
507 |
|
|
/* Real display driver pixelmap */ |
508 |
|
|
/* draw function */ |
509 |
|
|
/* _gx_display_driver_4444argb_pixelmap_compressed_write */ |
510 |
|
|
/* Real display driver pixelmap */ |
511 |
|
|
/* draw function */ |
512 |
|
|
/* _gx_display_driver_4444argb_pixelmap_alpha_write */ |
513 |
|
|
/* Real display driver pixelmap */ |
514 |
|
|
/* draw function */ |
515 |
|
|
/* _gx_display_driver_4444argb_pixelmap_raw_write */ |
516 |
|
|
/* Real display driver pixelmap */ |
517 |
|
|
/* draw function */ |
518 |
|
|
/* _gx_display_driver_4444argb_pixelmap_blend */ |
519 |
|
|
/* Basic display driver pixelmap */ |
520 |
|
|
/* blend function */ |
521 |
|
|
/* */ |
522 |
|
|
/* CALLED BY */ |
523 |
|
|
/* */ |
524 |
|
|
/* GUIX Internal Code */ |
525 |
|
|
/* */ |
526 |
|
|
/* RELEASE HISTORY */ |
527 |
|
|
/* */ |
528 |
|
|
/* DATE NAME DESCRIPTION */ |
529 |
|
|
/* */ |
530 |
|
|
/* 05-19-2020 Kenneth Maxwell Initial Version 6.0 */ |
531 |
|
|
/* 09-30-2020 Kenneth Maxwell Modified comment(s), */ |
532 |
|
|
/* resulting in version 6.1 */ |
533 |
|
|
/* */ |
534 |
|
|
/**************************************************************************/ |
535 |
|
14502 |
VOID _gx_display_driver_4444argb_pixelmap_draw(GX_DRAW_CONTEXT *context, |
536 |
|
|
INT xpos, INT ypos, GX_PIXELMAP *pixelmap) |
537 |
|
|
{ |
538 |
|
14502 |
GX_BOOL drawn = GX_FALSE; |
539 |
|
14502 |
GX_UBYTE brush_alpha = context -> gx_draw_context_brush.gx_brush_alpha; |
540 |
|
|
|
541 |
✓✓ |
14502 |
if (brush_alpha == 0) |
542 |
|
|
{ |
543 |
|
|
/* Draw nothing here. Just return. */ |
544 |
|
4 |
return; |
545 |
|
|
} |
546 |
|
|
|
547 |
✓✓ |
14498 |
switch (pixelmap -> gx_pixelmap_format) |
548 |
|
|
{ |
549 |
|
14497 |
case GX_COLOR_FORMAT_4444ARGB: |
550 |
✓✓ |
14497 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
551 |
|
|
{ |
552 |
✓✓ |
13530 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
553 |
|
|
{ |
554 |
|
9734 |
_gx_display_driver_4444argb_pixelmap_compressed_alpha_write(context, xpos, ypos, pixelmap); |
555 |
|
9734 |
drawn = GX_TRUE; |
556 |
|
|
} |
557 |
|
|
else |
558 |
|
|
{ |
559 |
✓✓ |
3796 |
if (brush_alpha == 0xff) |
560 |
|
|
{ |
561 |
|
3793 |
_gx_display_driver_4444argb_pixelmap_compressed_write(context, xpos, ypos, pixelmap); |
562 |
|
3793 |
drawn = GX_TRUE; |
563 |
|
|
} |
564 |
|
|
} |
565 |
|
|
} |
566 |
|
|
else |
567 |
|
|
{ |
568 |
✓✓ |
967 |
if (pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_ALPHA) |
569 |
|
|
{ |
570 |
|
844 |
_gx_display_driver_4444argb_pixelmap_alpha_write(context, xpos, ypos, pixelmap); |
571 |
|
844 |
drawn = GX_TRUE; |
572 |
|
|
} |
573 |
|
|
else |
574 |
|
|
{ |
575 |
✓✓ |
123 |
if (brush_alpha == 0xff) |
576 |
|
|
{ |
577 |
|
120 |
_gx_display_driver_4444argb_pixelmap_raw_write(context, xpos, ypos, pixelmap); |
578 |
|
120 |
drawn = GX_TRUE; |
579 |
|
|
} |
580 |
|
|
} |
581 |
|
|
} |
582 |
|
14497 |
break; |
583 |
|
|
|
584 |
|
1 |
default: |
585 |
|
1 |
drawn = GX_TRUE; |
586 |
|
1 |
break; |
587 |
|
|
} |
588 |
|
|
|
589 |
✓✓ |
14498 |
if (!drawn) |
590 |
|
|
{ |
591 |
|
6 |
_gx_display_driver_4444argb_pixelmap_blend(context, xpos, ypos, pixelmap, brush_alpha); |
592 |
|
|
} |
593 |
|
|
|
594 |
|
14498 |
return; |
595 |
|
|
} |
596 |
|
|
|