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 |
|
|
/* FUNCTION RELEASE */ |
33 |
|
|
/* */ |
34 |
|
|
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_raw_write */ |
35 |
|
|
/* PORTABLE C */ |
36 |
|
|
/* 6.1.4 */ |
37 |
|
|
/* AUTHOR */ |
38 |
|
|
/* */ |
39 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
40 |
|
|
/* */ |
41 |
|
|
/* DESCRIPTION */ |
42 |
|
|
/* */ |
43 |
|
|
/* Internal helper function that handles writing of uncompressed */ |
44 |
|
|
/* pixlemap file without alpha channel. */ |
45 |
|
|
/* */ |
46 |
|
|
/* INPUT */ |
47 |
|
|
/* */ |
48 |
|
|
/* context Drawing context */ |
49 |
|
|
/* xstart x-coord of line left */ |
50 |
|
|
/* xend x-coord of line right */ |
51 |
|
|
/* y y-coord of line top */ |
52 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
53 |
|
|
/* */ |
54 |
|
|
/* OUTPUT */ |
55 |
|
|
/* */ |
56 |
|
|
/* None */ |
57 |
|
|
/* */ |
58 |
|
|
/* CALLED BY */ |
59 |
|
|
/* */ |
60 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
61 |
|
|
/* */ |
62 |
|
|
/* RELEASE HISTORY */ |
63 |
|
|
/* */ |
64 |
|
|
/* DATE NAME DESCRIPTION */ |
65 |
|
|
/* */ |
66 |
|
|
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */ |
67 |
|
|
/* */ |
68 |
|
|
/**************************************************************************/ |
69 |
|
8687 |
static VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_raw_write(GX_DRAW_CONTEXT *context, |
70 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
71 |
|
|
{ |
72 |
|
|
INT xval; |
73 |
|
|
INT offset; |
74 |
|
|
INT pic_width; |
75 |
|
|
GX_CONST GX_UBYTE *get; |
76 |
|
|
GX_UBYTE *put; |
77 |
|
|
GX_PIXELMAP *pixelmap; |
78 |
|
|
|
79 |
|
8687 |
pixelmap = info -> pixelmap; |
80 |
|
|
|
81 |
|
8687 |
pic_width = pixelmap -> gx_pixelmap_height; |
82 |
|
|
|
83 |
✓✓✓✓
|
8687 |
if ((info -> draw) && (xstart <= xend)) |
84 |
|
|
{ |
85 |
|
5962 |
get = info -> current_pixel_ptr; |
86 |
|
5962 |
put = (GX_UBYTE *)context -> gx_draw_context_memory; |
87 |
|
5962 |
put += y * context -> gx_draw_context_pitch + xstart; |
88 |
|
|
|
89 |
|
|
/* Calculate the map offset in x-axis. */ |
90 |
|
5962 |
offset = (info -> x_offset % pic_width); |
91 |
|
|
|
92 |
✓✓ |
619366 |
for (xval = xstart; xval <= xend; xval++) |
93 |
|
|
{ |
94 |
|
|
/* get points to the start postion of this row. So we need to calculate its position. */ |
95 |
|
613404 |
*put++ = *(get + offset); |
96 |
|
613404 |
offset++; |
97 |
✓✓ |
613404 |
if (offset >= pic_width) |
98 |
|
|
{ |
99 |
|
3882 |
offset -= pic_width; |
100 |
|
|
} |
101 |
|
|
} |
102 |
|
|
} |
103 |
|
|
|
104 |
|
|
/* This line is drawn. Update the pointer position for next row. */ |
105 |
|
8687 |
info -> current_pixel_ptr += (UINT)pic_width * sizeof(GX_UBYTE); |
106 |
|
8687 |
} |
107 |
|
|
|
108 |
|
|
/**************************************************************************/ |
109 |
|
|
/* */ |
110 |
|
|
/* FUNCTION RELEASE */ |
111 |
|
|
/* */ |
112 |
|
|
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */ |
113 |
|
|
/* compressed_write */ |
114 |
|
|
/* */ |
115 |
|
|
/* PORTABLE C */ |
116 |
|
|
/* 6.1.4 */ |
117 |
|
|
/* AUTHOR */ |
118 |
|
|
/* */ |
119 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
120 |
|
|
/* */ |
121 |
|
|
/* DESCRIPTION */ |
122 |
|
|
/* */ |
123 |
|
|
/* Internal helper function that handles writing of compressed */ |
124 |
|
|
/* pixlemap file. */ |
125 |
|
|
/* */ |
126 |
|
|
/* INPUT */ |
127 |
|
|
/* */ |
128 |
|
|
/* context Drawing context */ |
129 |
|
|
/* xstart x-coord of line left */ |
130 |
|
|
/* xend x-coord of line right */ |
131 |
|
|
/* y y-coord of line top */ |
132 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
133 |
|
|
/* */ |
134 |
|
|
/* OUTPUT */ |
135 |
|
|
/* */ |
136 |
|
|
/* None */ |
137 |
|
|
/* */ |
138 |
|
|
/* CALLS */ |
139 |
|
|
/* */ |
140 |
|
|
/* None */ |
141 |
|
|
/* */ |
142 |
|
|
/* CALLED BY */ |
143 |
|
|
/* */ |
144 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
145 |
|
|
/* */ |
146 |
|
|
/* RELEASE HISTORY */ |
147 |
|
|
/* */ |
148 |
|
|
/* DATE NAME DESCRIPTION */ |
149 |
|
|
/* */ |
150 |
|
|
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */ |
151 |
|
|
/* */ |
152 |
|
|
/**************************************************************************/ |
153 |
|
6905 |
static VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_compressed_write(GX_DRAW_CONTEXT *context, |
154 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
155 |
|
|
{ |
156 |
|
|
INT start_pos; |
157 |
|
|
INT xval; |
158 |
|
|
GX_UBYTE count; |
159 |
|
6905 |
GX_CONST GX_UBYTE *get = GX_NULL; |
160 |
|
|
GX_UBYTE pixel; |
161 |
|
|
GX_UBYTE *put; |
162 |
|
|
GX_PIXELMAP *pixelmap; |
163 |
|
|
|
164 |
|
6905 |
pixelmap = info -> pixelmap; |
165 |
|
|
|
166 |
✓✓✓✓
|
6905 |
if ((info -> draw) && (xstart <= xend)) |
167 |
|
|
{ |
168 |
|
|
/* Calculate draw start position. */ |
169 |
|
5962 |
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_height); |
170 |
|
|
|
171 |
|
5962 |
put = (GX_UBYTE *)context -> gx_draw_context_memory; |
172 |
|
5962 |
put += y * context -> gx_draw_context_pitch + start_pos; |
173 |
|
|
|
174 |
|
|
/*Repeat the draw operation to fill the whole dirty area.*/ |
175 |
✓✓ |
44963 |
while (start_pos <= xend) |
176 |
|
|
{ |
177 |
|
39001 |
xval = start_pos; |
178 |
|
|
|
179 |
|
|
/*Start from where we need to repeat.*/ |
180 |
|
39001 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
181 |
|
|
|
182 |
✓✓ |
158406 |
while (xval < start_pos + pixelmap -> gx_pixelmap_width) |
183 |
|
|
{ |
184 |
|
119405 |
count = *get++; |
185 |
✓✓ |
119405 |
if (count & 0x80) |
186 |
|
|
{ |
187 |
|
62908 |
count = (GX_UBYTE)((count & 0x7f) + 1); |
188 |
|
62908 |
pixel = *get++; |
189 |
✓✓ |
447402 |
while (count--) |
190 |
|
|
{ |
191 |
✓✓✓✓
|
384494 |
if (xval >= xstart && xval <= xend) |
192 |
|
|
{ |
193 |
|
337172 |
*put = pixel; |
194 |
|
|
} |
195 |
|
384494 |
xval++; |
196 |
|
384494 |
put++; |
197 |
|
|
} |
198 |
|
|
} |
199 |
|
|
else |
200 |
|
|
{ |
201 |
|
56497 |
count++; |
202 |
✓✓ |
374021 |
while (count--) |
203 |
|
|
{ |
204 |
|
317524 |
pixel = *get++; |
205 |
✓✓✓✓
|
317524 |
if (xval >= xstart && xval <= xend) |
206 |
|
|
{ |
207 |
|
276232 |
*put = pixel; |
208 |
|
|
} |
209 |
|
317524 |
xval++; |
210 |
|
317524 |
put++; |
211 |
|
|
} |
212 |
|
|
} |
213 |
|
|
} |
214 |
|
39001 |
start_pos += pixelmap -> gx_pixelmap_height; |
215 |
|
|
} |
216 |
|
|
} |
217 |
|
|
else |
218 |
|
|
{ |
219 |
|
943 |
xval = 0; |
220 |
|
943 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
221 |
✓✓ |
3776 |
while (xval < pixelmap -> gx_pixelmap_height) |
222 |
|
|
{ |
223 |
|
2833 |
count = *get++; |
224 |
✓✓ |
2833 |
if (count & 0x80) |
225 |
|
|
{ |
226 |
|
1511 |
count = (GX_UBYTE)((count & 0x7f) + 1); |
227 |
|
1511 |
get++; |
228 |
|
|
} |
229 |
|
|
else |
230 |
|
|
{ |
231 |
|
1322 |
count++; |
232 |
|
1322 |
get += count; |
233 |
|
|
} |
234 |
|
2833 |
xval += count; |
235 |
|
|
} |
236 |
|
|
} |
237 |
|
|
|
238 |
|
|
/*This line is drawn. cache the pointer for next line draw.*/ |
239 |
|
6905 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
240 |
|
6905 |
} |
241 |
|
|
|
242 |
|
|
/**************************************************************************/ |
243 |
|
|
/* */ |
244 |
|
|
/* FUNCTION RELEASE */ |
245 |
|
|
/* */ |
246 |
|
|
/* _gx_display_driver_8bpp_rotated_horizontal_line_pixelmap_ */ |
247 |
|
|
/* transparent_write */ |
248 |
|
|
/* */ |
249 |
|
|
/* PORTABLE C */ |
250 |
|
|
/* 6.1.4 */ |
251 |
|
|
/* AUTHOR */ |
252 |
|
|
/* */ |
253 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
254 |
|
|
/* */ |
255 |
|
|
/* DESCRIPTION */ |
256 |
|
|
/* */ |
257 |
|
|
/* Internal helper function that handles writing of uncompressed */ |
258 |
|
|
/* pixlemap file with alpha channel. */ |
259 |
|
|
/* */ |
260 |
|
|
/* INPUT */ |
261 |
|
|
/* */ |
262 |
|
|
/* context Drawing context */ |
263 |
|
|
/* xstart x-coord of line left */ |
264 |
|
|
/* xend x-coord of line right */ |
265 |
|
|
/* y y-coord of line top */ |
266 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
267 |
|
|
/* */ |
268 |
|
|
/* OUTPUT */ |
269 |
|
|
/* */ |
270 |
|
|
/* None */ |
271 |
|
|
/* */ |
272 |
|
|
/* CALLS */ |
273 |
|
|
/* */ |
274 |
|
|
/* None */ |
275 |
|
|
/* */ |
276 |
|
|
/* CALLED BY */ |
277 |
|
|
/* */ |
278 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
279 |
|
|
/* */ |
280 |
|
|
/* RELEASE HISTORY */ |
281 |
|
|
/* */ |
282 |
|
|
/* DATE NAME DESCRIPTION */ |
283 |
|
|
/* */ |
284 |
|
|
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */ |
285 |
|
|
/* */ |
286 |
|
|
/**************************************************************************/ |
287 |
|
7107 |
static VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_transparent_write(GX_DRAW_CONTEXT *context, |
288 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
289 |
|
|
{ |
290 |
|
|
INT xval; |
291 |
|
|
INT offset; |
292 |
|
|
INT pic_width; |
293 |
|
|
GX_CONST GX_UBYTE *get; |
294 |
|
|
GX_UBYTE *put; |
295 |
|
|
GX_PIXELMAP *pixelmap; |
296 |
|
|
GX_UBYTE pixel; |
297 |
|
|
|
298 |
|
7107 |
pixelmap = info -> pixelmap; |
299 |
|
7107 |
pic_width = pixelmap -> gx_pixelmap_height; |
300 |
|
|
|
301 |
✓✓✓✓
|
7107 |
if ((info -> draw) && (xstart <= xend)) |
302 |
|
|
{ |
303 |
|
5962 |
get = info -> current_pixel_ptr; |
304 |
|
5962 |
put = (GX_UBYTE *)context -> gx_draw_context_memory; |
305 |
|
5962 |
put += y * context -> gx_draw_context_pitch + xstart; |
306 |
|
|
|
307 |
|
|
/* Calculate the map offset in x-axis. */ |
308 |
|
5962 |
offset = (info -> x_offset % pic_width); |
309 |
|
|
|
310 |
✓✓ |
619366 |
for (xval = xstart; xval <= xend; xval++) |
311 |
|
|
{ |
312 |
|
|
/* get points to the start postion of this row. So we need to calculate its position. */ |
313 |
|
613404 |
pixel = *(get + offset); |
314 |
|
613404 |
offset++; |
315 |
✓✓ |
613404 |
if (offset >= pic_width) |
316 |
|
|
{ |
317 |
|
15859 |
offset -= pic_width; |
318 |
|
|
} |
319 |
|
|
|
320 |
✓✓ |
613404 |
if (pixel != pixelmap -> gx_pixelmap_transparent_color) |
321 |
|
|
{ |
322 |
|
203632 |
*put = pixel; |
323 |
|
|
} |
324 |
|
613404 |
put++; |
325 |
|
|
} |
326 |
|
|
} |
327 |
|
|
|
328 |
|
|
/* This line is drawn. Update the pointer position for next row. */ |
329 |
|
7107 |
info -> current_pixel_ptr += (UINT)pic_width * sizeof(GX_UBYTE); |
330 |
|
7107 |
} |
331 |
|
|
|
332 |
|
|
/**************************************************************************/ |
333 |
|
|
/* */ |
334 |
|
|
/* FUNCTION RELEASE */ |
335 |
|
|
/* */ |
336 |
|
|
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */ |
337 |
|
|
/* compressed_transparent_write */ |
338 |
|
|
/* */ |
339 |
|
|
/* PORTABLE C */ |
340 |
|
|
/* 6.1.4 */ |
341 |
|
|
/* AUTHOR */ |
342 |
|
|
/* */ |
343 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
344 |
|
|
/* */ |
345 |
|
|
/* DESCRIPTION */ |
346 |
|
|
/* */ |
347 |
|
|
/* Internal helper function that handles writing of compressed */ |
348 |
|
|
/* pixlemap file with alpha channel. */ |
349 |
|
|
/* */ |
350 |
|
|
/* INPUT */ |
351 |
|
|
/* */ |
352 |
|
|
/* context Drawing context */ |
353 |
|
|
/* xstart x-coord of line left */ |
354 |
|
|
/* xend x-coord of line right */ |
355 |
|
|
/* y y-coord of line top */ |
356 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
357 |
|
|
/* */ |
358 |
|
|
/* OUTPUT */ |
359 |
|
|
/* */ |
360 |
|
|
/* None */ |
361 |
|
|
/* */ |
362 |
|
|
/* CALLS */ |
363 |
|
|
/* */ |
364 |
|
|
/* None */ |
365 |
|
|
/* */ |
366 |
|
|
/* CALLED BY */ |
367 |
|
|
/* */ |
368 |
|
|
/* _gx_display_driver_8bpp_horizontal_pixelmap_line_draw */ |
369 |
|
|
/* */ |
370 |
|
|
/* RELEASE HISTORY */ |
371 |
|
|
/* */ |
372 |
|
|
/* DATE NAME DESCRIPTION */ |
373 |
|
|
/* */ |
374 |
|
|
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */ |
375 |
|
|
/* */ |
376 |
|
|
/**************************************************************************/ |
377 |
|
8147 |
static VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_compressed_transparent_write(GX_DRAW_CONTEXT *context, |
378 |
|
|
INT xstart, INT xend, INT y, GX_FILL_PIXELMAP_INFO *info) |
379 |
|
|
{ |
380 |
|
|
INT start_pos; |
381 |
|
|
INT xval; |
382 |
|
|
GX_UBYTE count; |
383 |
|
8147 |
GX_CONST GX_UBYTE *get = GX_NULL; |
384 |
|
|
GX_UBYTE pixel; |
385 |
|
|
GX_UBYTE *put; |
386 |
|
|
GX_PIXELMAP *pixelmap; |
387 |
|
|
|
388 |
|
8147 |
pixelmap = info -> pixelmap; |
389 |
|
|
|
390 |
✓✓✓✓
|
8147 |
if ((info -> draw) && (xstart <= xend)) |
391 |
|
|
{ |
392 |
|
|
/* Calcualte draw start position. */ |
393 |
|
5962 |
start_pos = xstart - (info -> x_offset % pixelmap -> gx_pixelmap_height); |
394 |
|
|
|
395 |
|
5962 |
put = (GX_UBYTE *)context -> gx_draw_context_memory; |
396 |
|
5962 |
put += y * context -> gx_draw_context_pitch + start_pos; |
397 |
|
|
|
398 |
|
|
|
399 |
|
|
/*Repeat the draw operation to fill the whole dirty area.*/ |
400 |
✓✓ |
14925 |
while (start_pos <= xend) |
401 |
|
|
{ |
402 |
|
8963 |
xval = start_pos; |
403 |
|
|
|
404 |
|
|
/*Start from where we need to repeat.*/ |
405 |
|
8963 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
406 |
|
|
|
407 |
✓✓ |
39694 |
while (xval < start_pos + pixelmap -> gx_pixelmap_height) |
408 |
|
|
{ |
409 |
|
30731 |
count = *get++; |
410 |
✓✓ |
30731 |
if (count & 0x80) |
411 |
|
|
{ |
412 |
|
29545 |
count = (GX_UBYTE)((count & 0x7f) + 1); |
413 |
|
29545 |
pixel = *get++; |
414 |
✓✓ |
29545 |
if (pixel != pixelmap -> gx_pixelmap_transparent_color) |
415 |
|
|
{ |
416 |
✓✓ |
534367 |
while (count--) |
417 |
|
|
{ |
418 |
✓✓✓✓
|
523106 |
if (xval >= xstart && xval <= xend) |
419 |
|
|
{ |
420 |
|
221461 |
*put = pixel; |
421 |
|
|
} |
422 |
|
523106 |
xval++; |
423 |
|
523106 |
put++; |
424 |
|
|
} |
425 |
|
|
} |
426 |
|
|
else |
427 |
|
|
{ |
428 |
|
18284 |
xval += count; |
429 |
|
18284 |
put += count; |
430 |
|
|
} |
431 |
|
|
} |
432 |
|
|
else |
433 |
|
|
{ |
434 |
|
1186 |
count++; |
435 |
✓✓ |
2877 |
while (count--) |
436 |
|
|
{ |
437 |
|
1691 |
pixel = *get++; |
438 |
|
|
|
439 |
✓✓✓✓
|
1691 |
if (xval >= xstart && xval <= xend) |
440 |
|
|
{ |
441 |
✓✓ |
649 |
if (pixel != pixelmap -> gx_pixelmap_transparent_color) |
442 |
|
|
{ |
443 |
|
30 |
*put = pixel; |
444 |
|
|
} |
445 |
|
|
} |
446 |
|
1691 |
xval++; |
447 |
|
1691 |
put++; |
448 |
|
|
} |
449 |
|
|
} |
450 |
|
|
} |
451 |
|
8963 |
start_pos += pixelmap -> gx_pixelmap_height; |
452 |
|
|
} |
453 |
|
|
} |
454 |
|
|
else |
455 |
|
|
{ |
456 |
|
2185 |
xval = 0; |
457 |
|
2185 |
get = (GX_CONST GX_UBYTE *)info -> current_pixel_ptr; |
458 |
✓✓ |
11726 |
while (xval < pixelmap -> gx_pixelmap_height) |
459 |
|
|
{ |
460 |
|
9541 |
count = *get++; |
461 |
✓✓ |
9541 |
if (count & 0x80) |
462 |
|
|
{ |
463 |
|
9199 |
count = (GX_UBYTE)((count & 0x7f) + 1); |
464 |
|
9199 |
get++; |
465 |
|
|
} |
466 |
|
|
else |
467 |
|
|
{ |
468 |
|
342 |
count++; |
469 |
|
342 |
get += count; |
470 |
|
|
} |
471 |
|
9541 |
xval += count; |
472 |
|
|
} |
473 |
|
|
} |
474 |
|
|
|
475 |
|
|
/* This line is drawn. cache the pointer for next line draw.*/ |
476 |
|
8147 |
info -> current_pixel_ptr = (GX_UBYTE *)get; |
477 |
|
8147 |
} |
478 |
|
|
|
479 |
|
|
/**************************************************************************/ |
480 |
|
|
/* */ |
481 |
|
|
/* FUNCTION RELEASE */ |
482 |
|
|
/* */ |
483 |
|
|
/* _gx_display_driver_8bpp_rotated_pixelmap_draw PORTABLE C */ |
484 |
|
|
/* 6.1.5 */ |
485 |
|
|
/* AUTHOR */ |
486 |
|
|
/* */ |
487 |
|
|
/* Kenneth Maxwell, Microsoft Corporation */ |
488 |
|
|
/* */ |
489 |
|
|
/* DESCRIPTION */ |
490 |
|
|
/* */ |
491 |
|
|
/* 8bit screen driver pixelmap drawing function that handles */ |
492 |
|
|
/* compressed or uncompress, with or without alpha channel. */ |
493 |
|
|
/* */ |
494 |
|
|
/* INPUT */ |
495 |
|
|
/* */ |
496 |
|
|
/* context Drawing context */ |
497 |
|
|
/* xstart x-coord of line left */ |
498 |
|
|
/* xend x-coord of line end */ |
499 |
|
|
/* y y-coord of line top */ |
500 |
|
|
/* info GX_FILL_PIXELMAP_INFO struct */ |
501 |
|
|
/* */ |
502 |
|
|
/* OUTPUT */ |
503 |
|
|
/* */ |
504 |
|
|
/* None */ |
505 |
|
|
/* */ |
506 |
|
|
/* CALLS */ |
507 |
|
|
/* */ |
508 |
|
|
/* _gx_display_driver_8bit_rotated_horizontal_pixelmap_line_raw_write */ |
509 |
|
|
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */ |
510 |
|
|
/* compressed_write */ |
511 |
|
|
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */ |
512 |
|
|
/* transparent_write */ |
513 |
|
|
/* _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_ */ |
514 |
|
|
/* compressed_transparent_write */ |
515 |
|
|
/* */ |
516 |
|
|
/* CALLED BY */ |
517 |
|
|
/* */ |
518 |
|
|
/* GUIX Internal Code */ |
519 |
|
|
/* */ |
520 |
|
|
/* RELEASE HISTORY */ |
521 |
|
|
/* */ |
522 |
|
|
/* DATE NAME DESCRIPTION */ |
523 |
|
|
/* */ |
524 |
|
|
/* 02-02-2021 Kenneth Maxwell Initial Version 6.1.4 */ |
525 |
|
|
/* 03-02-2021 Ting Zhu Modified comment(s), */ |
526 |
|
|
/* removed redundant code, */ |
527 |
|
|
/* resulting in version 6.1.5 */ |
528 |
|
|
/* */ |
529 |
|
|
/**************************************************************************/ |
530 |
|
30848 |
VOID _gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_draw(GX_DRAW_CONTEXT *context, |
531 |
|
|
INT ystart, INT yend, INT x, GX_FILL_PIXELMAP_INFO *info) |
532 |
|
|
{ |
533 |
|
|
INT xstart; |
534 |
|
|
INT xend; |
535 |
|
|
INT y; |
536 |
|
|
|
537 |
✓✓ |
30848 |
if (info -> pixelmap == GX_NULL) |
538 |
|
|
{ |
539 |
|
|
/* Nothing to drawn. Just return. */ |
540 |
|
2 |
return; |
541 |
|
|
} |
542 |
|
|
|
543 |
✓✓ |
30846 |
if (context -> gx_draw_context_display -> gx_display_rotation_angle == GX_SCREEN_ROTATION_CW) |
544 |
|
|
{ |
545 |
|
17194 |
xstart = ystart; |
546 |
|
17194 |
xend = yend; |
547 |
|
17194 |
y = context -> gx_draw_context_canvas -> gx_canvas_x_resolution - x - 1; |
548 |
|
|
} |
549 |
|
|
else |
550 |
|
|
{ |
551 |
|
13652 |
xstart = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - yend - 1; |
552 |
|
13652 |
xend = context -> gx_draw_context_canvas -> gx_canvas_y_resolution - ystart - 1; |
553 |
|
13652 |
y = x; |
554 |
|
13652 |
info -> x_offset = (yend - ystart + 1 + info -> x_offset) % info -> pixelmap -> gx_pixelmap_height; |
555 |
|
|
|
556 |
✓✓ |
13652 |
if (info -> x_offset) |
557 |
|
|
{ |
558 |
|
12765 |
info -> x_offset = info -> pixelmap -> gx_pixelmap_height - info -> x_offset; |
559 |
|
|
} |
560 |
|
|
} |
561 |
|
|
|
562 |
✓✓ |
30846 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_TRANSPARENT) |
563 |
|
|
{ |
564 |
✓✓ |
15254 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
565 |
|
|
{ |
566 |
|
|
/* has both compression and transparent */ |
567 |
|
8147 |
_gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_compressed_transparent_write(context, xstart, xend, y, info); |
568 |
|
|
} |
569 |
|
|
else |
570 |
|
|
{ |
571 |
|
|
/* transparent, no compression */ |
572 |
|
7107 |
_gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_transparent_write(context, xstart, xend, y, info); |
573 |
|
|
} |
574 |
|
|
} |
575 |
|
|
else |
576 |
|
|
{ |
577 |
✓✓ |
15592 |
if (info -> pixelmap -> gx_pixelmap_flags & GX_PIXELMAP_COMPRESSED) |
578 |
|
|
{ |
579 |
|
|
/* compressed with no transparency */ |
580 |
|
6905 |
_gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_compressed_write(context, xstart, xend, y, info); |
581 |
|
|
} |
582 |
|
|
else |
583 |
|
|
{ |
584 |
|
|
/* no compression or transaprency */ |
585 |
|
8687 |
_gx_display_driver_8bpp_rotated_horizontal_pixelmap_line_raw_write(context, xstart, xend, y, info); |
586 |
|
|
} |
587 |
|
|
} |
588 |
|
|
|
589 |
|
|
|
590 |
|
|
/*Current pixelmap has gone over, so the offset pointer should be reset.*/ |
591 |
✓✓ |
30846 |
if (info -> current_pixel_ptr >= info -> pixelmap -> gx_pixelmap_data + info -> pixelmap -> gx_pixelmap_data_size) |
592 |
|
|
{ |
593 |
|
607 |
info -> current_pixel_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_data; |
594 |
|
607 |
info -> current_aux_ptr = (GX_UBYTE *)info -> pixelmap -> gx_pixelmap_aux_data; |
595 |
|
|
} |
596 |
|
|
|
597 |
|
30846 |
return; |
598 |
|
|
} |
599 |
|
|
|