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gdi.c
1
22#include <freerdp/config.h>
23
24#include <stdio.h>
25#include <stdlib.h>
26
27#include <winpr/crt.h>
28#include <winpr/assert.h>
29#include <winpr/cast.h>
30
31#include <freerdp/api.h>
32#include <freerdp/log.h>
33#include <freerdp/freerdp.h>
34#include <freerdp/codecs.h>
35
36#include <freerdp/gdi/gdi.h>
37#include <freerdp/gdi/dc.h>
38#include <freerdp/gdi/pen.h>
39#include <freerdp/gdi/shape.h>
40#include <freerdp/gdi/region.h>
41#include <freerdp/gdi/bitmap.h>
42
43#include "drawing.h"
44#include "clipping.h"
45#include "brush.h"
46#include "line.h"
47#include "gdi.h"
48#include "../core/graphics.h"
49#include "../core/update.h"
50#include "../cache/cache.h"
51
52#define TAG FREERDP_TAG("gdi")
53
54/* Ternary Raster Operation Table */
55typedef struct
56{
57 DWORD code;
58 const char* name;
59} rop_table_entry;
60
61static const rop_table_entry rop3_code_table[] = { { GDI_BLACKNESS, "0" },
62 { GDI_DPSoon, "DPSoon" },
63 { GDI_DPSona, "DPSona" },
64 { GDI_PSon, "PSon" },
65 { GDI_SDPona, "SDPona" },
66 { GDI_DPon, "DPon" },
67 { GDI_PDSxnon, "PDSxnon" },
68 { GDI_PDSaon, "PDSaon" },
69 { GDI_SDPnaa, "SDPnaa" },
70 { GDI_PDSxon, "PDSxon" },
71 { GDI_DPna, "DPna" },
72 { GDI_PSDnaon, "PSDnaon" },
73 { GDI_SPna, "SPna" },
74 { GDI_PDSnaon, "PDSnaon" },
75 { GDI_PDSonon, "PDSonon" },
76 { GDI_Pn, "Pn" },
77 { GDI_PDSona, "PDSona" },
78 { GDI_NOTSRCERASE, "DSon" },
79 { GDI_SDPxnon, "SDPxnon" },
80 { GDI_SDPaon, "SDPaon" },
81 { GDI_DPSxnon, "DPSxnon" },
82 { GDI_DPSaon, "DPSaon" },
83 { GDI_PSDPSanaxx, "PSDPSanaxx" },
84 { GDI_SSPxDSxaxn, "SSPxDSxaxn" },
85 { GDI_SPxPDxa, "SPxPDxa" },
86 { GDI_SDPSanaxn, "SDPSanaxn" },
87 { GDI_PDSPaox, "PDSPaox" },
88 { GDI_SDPSxaxn, "SDPSxaxn" },
89 { GDI_PSDPaox, "PSDPaox" },
90 { GDI_DSPDxaxn, "DSPDxaxn" },
91 { GDI_PDSox, "PDSox" },
92 { GDI_PDSoan, "PDSoan" },
93 { GDI_DPSnaa, "DPSnaa" },
94 { GDI_SDPxon, "SDPxon" },
95 { GDI_DSna, "DSna" },
96 { GDI_SPDnaon, "SPDnaon" },
97 { GDI_SPxDSxa, "SPxDSxa" },
98 { GDI_PDSPanaxn, "PDSPanaxn" },
99 { GDI_SDPSaox, "SDPSaox" },
100 { GDI_SDPSxnox, "SDPSxnox" },
101 { GDI_DPSxa, "DPSxa" },
102 { GDI_PSDPSaoxxn, "PSDPSaoxxn" },
103 { GDI_DPSana, "DPSana" },
104 { GDI_SSPxPDxaxn, "SSPxPDxaxn" },
105 { GDI_SPDSoax, "SPDSoax" },
106 { GDI_PSDnox, "PSDnox" },
107 { GDI_PSDPxox, "PSDPxox" },
108 { GDI_PSDnoan, "PSDnoan" },
109 { GDI_PSna, "PSna" },
110 { GDI_SDPnaon, "SDPnaon" },
111 { GDI_SDPSoox, "SDPSoox" },
112 { GDI_NOTSRCCOPY, "Sn" },
113 { GDI_SPDSaox, "SPDSaox" },
114 { GDI_SPDSxnox, "SPDSxnox" },
115 { GDI_SDPox, "SDPox" },
116 { GDI_SDPoan, "SDPoan" },
117 { GDI_PSDPoax, "PSDPoax" },
118 { GDI_SPDnox, "SPDnox" },
119 { GDI_SPDSxox, "SPDSxox" },
120 { GDI_SPDnoan, "SPDnoan" },
121 { GDI_PSx, "PSx" },
122 { GDI_SPDSonox, "SPDSonox" },
123 { GDI_SPDSnaox, "SPDSnaox" },
124 { GDI_PSan, "PSan" },
125 { GDI_PSDnaa, "PSDnaa" },
126 { GDI_DPSxon, "DPSxon" },
127 { GDI_SDxPDxa, "SDxPDxa" },
128 { GDI_SPDSanaxn, "SPDSanaxn" },
129 { GDI_SRCERASE, "SDna" },
130 { GDI_DPSnaon, "DPSnaon" },
131 { GDI_DSPDaox, "DSPDaox" },
132 { GDI_PSDPxaxn, "PSDPxaxn" },
133 { GDI_SDPxa, "SDPxa" },
134 { GDI_PDSPDaoxxn, "PDSPDaoxxn" },
135 { GDI_DPSDoax, "DPSDoax" },
136 { GDI_PDSnox, "PDSnox" },
137 { GDI_SDPana, "SDPana" },
138 { GDI_SSPxDSxoxn, "SSPxDSxoxn" },
139 { GDI_PDSPxox, "PDSPxox" },
140 { GDI_PDSnoan, "PDSnoan" },
141 { GDI_PDna, "PDna" },
142 { GDI_DSPnaon, "DSPnaon" },
143 { GDI_DPSDaox, "DPSDaox" },
144 { GDI_SPDSxaxn, "SPDSxaxn" },
145 { GDI_DPSonon, "DPSonon" },
146 { GDI_DSTINVERT, "Dn" },
147 { GDI_DPSox, "DPSox" },
148 { GDI_DPSoan, "DPSoan" },
149 { GDI_PDSPoax, "PDSPoax" },
150 { GDI_DPSnox, "DPSnox" },
151 { GDI_PATINVERT, "DPx" },
152 { GDI_DPSDonox, "DPSDonox" },
153 { GDI_DPSDxox, "DPSDxox" },
154 { GDI_DPSnoan, "DPSnoan" },
155 { GDI_DPSDnaox, "DPSDnaox" },
156 { GDI_DPan, "DPan" },
157 { GDI_PDSxa, "PDSxa" },
158 { GDI_DSPDSaoxxn, "DSPDSaoxxn" },
159 { GDI_DSPDoax, "DSPDoax" },
160 { GDI_SDPnox, "SDPnox" },
161 { GDI_SDPSoax, "SDPSoax" },
162 { GDI_DSPnox, "DSPnox" },
163 { GDI_SRCINVERT, "DSx" },
164 { GDI_SDPSonox, "SDPSonox" },
165 { GDI_DSPDSonoxxn, "DSPDSonoxxn" },
166 { GDI_PDSxxn, "PDSxxn" },
167 { GDI_DPSax, "DPSax" },
168 { GDI_PSDPSoaxxn, "PSDPSoaxxn" },
169 { GDI_SDPax, "SDPax" },
170 { GDI_PDSPDoaxxn, "PDSPDoaxxn" },
171 { GDI_SDPSnoax, "SDPSnoax" },
172 { GDI_PDSxnan, "PDSxnan" },
173 { GDI_PDSana, "PDSana" },
174 { GDI_SSDxPDxaxn, "SSDxPDxaxn" },
175 { GDI_SDPSxox, "SDPSxox" },
176 { GDI_SDPnoan, "SDPnoan" },
177 { GDI_DSPDxox, "DSPDxox" },
178 { GDI_DSPnoan, "DSPnoan" },
179 { GDI_SDPSnaox, "SDPSnaox" },
180 { GDI_DSan, "DSan" },
181 { GDI_PDSax, "PDSax" },
182 { GDI_DSPDSoaxxn, "DSPDSoaxxn" },
183 { GDI_DPSDnoax, "DPSDnoax" },
184 { GDI_SDPxnan, "SDPxnan" },
185 { GDI_SPDSnoax, "SPDSnoax" },
186 { GDI_DPSxnan, "DPSxnan" },
187 { GDI_SPxDSxo, "SPxDSxo" },
188 { GDI_DPSaan, "DPSaan" },
189 { GDI_DPSaa, "DPSaa" },
190 { GDI_SPxDSxon, "SPxDSxon" },
191 { GDI_DPSxna, "DPSxna" },
192 { GDI_SPDSnoaxn, "SPDSnoaxn" },
193 { GDI_SDPxna, "SDPxna" },
194 { GDI_PDSPnoaxn, "PDSPnoaxn" },
195 { GDI_DSPDSoaxx, "DSPDSoaxx" },
196 { GDI_PDSaxn, "PDSaxn" },
197 { GDI_SRCAND, "DSa" },
198 { GDI_SDPSnaoxn, "SDPSnaoxn" },
199 { GDI_DSPnoa, "DSPnoa" },
200 { GDI_DSPDxoxn, "DSPDxoxn" },
201 { GDI_SDPnoa, "SDPnoa" },
202 { GDI_SDPSxoxn, "SDPSxoxn" },
203 { GDI_SSDxPDxax, "SSDxPDxax" },
204 { GDI_PDSanan, "PDSanan" },
205 { GDI_PDSxna, "PDSxna" },
206 { GDI_SDPSnoaxn, "SDPSnoaxn" },
207 { GDI_DPSDPoaxx, "DPSDPoaxx" },
208 { GDI_SPDaxn, "SPDaxn" },
209 { GDI_PSDPSoaxx, "PSDPSoaxx" },
210 { GDI_DPSaxn, "DPSaxn" },
211 { GDI_DPSxx, "DPSxx" },
212 { GDI_PSDPSonoxx, "PSDPSonoxx" },
213 { GDI_SDPSonoxn, "SDPSonoxn" },
214 { GDI_DSxn, "DSxn" },
215 { GDI_DPSnax, "DPSnax" },
216 { GDI_SDPSoaxn, "SDPSoaxn" },
217 { GDI_SPDnax, "SPDnax" },
218 { GDI_DSPDoaxn, "DSPDoaxn" },
219 { GDI_DSPDSaoxx, "DSPDSaoxx" },
220 { GDI_PDSxan, "PDSxan" },
221 { GDI_DPa, "DPa" },
222 { GDI_PDSPnaoxn, "PDSPnaoxn" },
223 { GDI_DPSnoa, "DPSnoa" },
224 { GDI_DPSDxoxn, "DPSDxoxn" },
225 { GDI_PDSPonoxn, "PDSPonoxn" },
226 { GDI_PDxn, "PDxn" },
227 { GDI_DSPnax, "DSPnax" },
228 { GDI_PDSPoaxn, "PDSPoaxn" },
229 { GDI_DPSoa, "DPSoa" },
230 { GDI_DPSoxn, "DPSoxn" },
231 { GDI_DSTCOPY, "D" },
232 { GDI_DPSono, "DPSono" },
233 { GDI_SPDSxax, "SPDSxax" },
234 { GDI_DPSDaoxn, "DPSDaoxn" },
235 { GDI_DSPnao, "DSPnao" },
236 { GDI_DPno, "DPno" },
237 { GDI_PDSnoa, "PDSnoa" },
238 { GDI_PDSPxoxn, "PDSPxoxn" },
239 { GDI_SSPxDSxox, "SSPxDSxox" },
240 { GDI_SDPanan, "SDPanan" },
241 { GDI_PSDnax, "PSDnax" },
242 { GDI_DPSDoaxn, "DPSDoaxn" },
243 { GDI_DPSDPaoxx, "DPSDPaoxx" },
244 { GDI_SDPxan, "SDPxan" },
245 { GDI_PSDPxax, "PSDPxax" },
246 { GDI_DSPDaoxn, "DSPDaoxn" },
247 { GDI_DPSnao, "DPSnao" },
248 { GDI_MERGEPAINT, "DSno" },
249 { GDI_SPDSanax, "SPDSanax" },
250 { GDI_SDxPDxan, "SDxPDxan" },
251 { GDI_DPSxo, "DPSxo" },
252 { GDI_DPSano, "DPSano" },
253 { GDI_MERGECOPY, "PSa" },
254 { GDI_SPDSnaoxn, "SPDSnaoxn" },
255 { GDI_SPDSonoxn, "SPDSonoxn" },
256 { GDI_PSxn, "PSxn" },
257 { GDI_SPDnoa, "SPDnoa" },
258 { GDI_SPDSxoxn, "SPDSxoxn" },
259 { GDI_SDPnax, "SDPnax" },
260 { GDI_PSDPoaxn, "PSDPoaxn" },
261 { GDI_SDPoa, "SDPoa" },
262 { GDI_SPDoxn, "SPDoxn" },
263 { GDI_DPSDxax, "DPSDxax" },
264 { GDI_SPDSaoxn, "SPDSaoxn" },
265 { GDI_SRCCOPY, "S" },
266 { GDI_SDPono, "SDPono" },
267 { GDI_SDPnao, "SDPnao" },
268 { GDI_SPno, "SPno" },
269 { GDI_PSDnoa, "PSDnoa" },
270 { GDI_PSDPxoxn, "PSDPxoxn" },
271 { GDI_PDSnax, "PDSnax" },
272 { GDI_SPDSoaxn, "SPDSoaxn" },
273 { GDI_SSPxPDxax, "SSPxPDxax" },
274 { GDI_DPSanan, "DPSanan" },
275 { GDI_PSDPSaoxx, "PSDPSaoxx" },
276 { GDI_DPSxan, "DPSxan" },
277 { GDI_PDSPxax, "PDSPxax" },
278 { GDI_SDPSaoxn, "SDPSaoxn" },
279 { GDI_DPSDanax, "DPSDanax" },
280 { GDI_SPxDSxan, "SPxDSxan" },
281 { GDI_SPDnao, "SPDnao" },
282 { GDI_SDno, "SDno" },
283 { GDI_SDPxo, "SDPxo" },
284 { GDI_SDPano, "SDPano" },
285 { GDI_PDSoa, "PDSoa" },
286 { GDI_PDSoxn, "PDSoxn" },
287 { GDI_DSPDxax, "DSPDxax" },
288 { GDI_PSDPaoxn, "PSDPaoxn" },
289 { GDI_SDPSxax, "SDPSxax" },
290 { GDI_PDSPaoxn, "PDSPaoxn" },
291 { GDI_SDPSanax, "SDPSanax" },
292 { GDI_SPxPDxan, "SPxPDxan" },
293 { GDI_SSPxDSxax, "SSPxDSxax" },
294 { GDI_DSPDSanaxxn, "DSPDSanaxxn" },
295 { GDI_DPSao, "DPSao" },
296 { GDI_DPSxno, "DPSxno" },
297 { GDI_SDPao, "SDPao" },
298 { GDI_SDPxno, "SDPxno" },
299 { GDI_SRCPAINT, "DSo" },
300 { GDI_SDPnoo, "SDPnoo" },
301 { GDI_PATCOPY, "P" },
302 { GDI_PDSono, "PDSono" },
303 { GDI_PDSnao, "PDSnao" },
304 { GDI_PSno, "PSno" },
305 { GDI_PSDnao, "PSDnao" },
306 { GDI_PDno, "PDno" },
307 { GDI_PDSxo, "PDSxo" },
308 { GDI_PDSano, "PDSano" },
309 { GDI_PDSao, "PDSao" },
310 { GDI_PDSxno, "PDSxno" },
311 { GDI_DPo, "DPo" },
312 { GDI_PATPAINT, "DPSnoo" },
313 { GDI_PSo, "PSo" },
314 { GDI_PSDnoo, "PSDnoo" },
315 { GDI_DPSoo, "DPSoo" },
316 { GDI_WHITENESS, "1" } };
317
318/* Hatch Patterns as monochrome data */
319static const BYTE GDI_BS_HATCHED_PATTERNS[] = {
320 0xFF, 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, /* HS_HORIZONTAL */
321 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, 0xF7, /* HS_VERTICAL */
322 0xFE, 0xFD, 0xFB, 0xF7, 0xEF, 0xDF, 0xBF, 0x7F, /* HS_FDIAGONAL */
323 0x7F, 0xBF, 0xDF, 0xEF, 0xF7, 0xFB, 0xFD, 0xFE, /* HS_BDIAGONAL */
324 0xF7, 0xF7, 0xF7, 0x00, 0xF7, 0xF7, 0xF7, 0xF7, /* HS_CROSS */
325 0x7E, 0xBD, 0xDB, 0xE7, 0xE7, 0xDB, 0xBD, 0x7E /* HS_DIACROSS */
326};
327
328#define gdi_rop3_code_checked(code) gdi_rop3_code_checked_int((code), __FILE__, __func__, __LINE__)
329static inline DWORD gdi_rop3_code_checked_int(UINT32 code, WINPR_ATTR_UNUSED const char* file,
330 WINPR_ATTR_UNUSED const char* fkt,
331 WINPR_ATTR_UNUSED size_t line)
332{
333 WINPR_ASSERT_AT(code <= UINT8_MAX, file, fkt, line);
334 return gdi_rop3_code((UINT8)code);
335}
336
337BOOL gdi_decode_color(rdpGdi* gdi, UINT32 srcColor, UINT32* color, UINT32* format)
338{
339 UINT32 SrcFormat = 0;
340
341 if (!gdi || !color || !gdi->context || !gdi->context->settings)
342 return FALSE;
343
344 const UINT32 ColorDepth =
345 freerdp_settings_get_uint32(gdi->context->settings, FreeRDP_ColorDepth);
346
347 switch (ColorDepth)
348 {
349 case 32:
350 case 24:
351 SrcFormat = PIXEL_FORMAT_BGR24;
352 break;
353
354 case 16:
355 SrcFormat = PIXEL_FORMAT_RGB16;
356 break;
357
358 case 15:
359 SrcFormat = PIXEL_FORMAT_RGB15;
360 break;
361
362 case 8:
363 SrcFormat = PIXEL_FORMAT_RGB8;
364 break;
365
366 default:
367 return FALSE;
368 }
369
370 if (format)
371 *format = gdi->dstFormat;
372
373 *color = FreeRDPConvertColor(srcColor, SrcFormat, gdi->dstFormat, &gdi->palette);
374 return TRUE;
375}
376
377/* GDI Helper Functions */
378DWORD gdi_rop3_code(BYTE code)
379{
380 return rop3_code_table[code].code;
381}
382
383const char* gdi_rop3_code_string(BYTE code)
384{
385 return rop3_code_table[code].name;
386}
387
388const char* gdi_rop3_string(DWORD rop)
389{
390 const size_t count = sizeof(rop3_code_table) / sizeof(rop3_code_table[0]);
391
392 for (size_t x = 0; x < count; x++)
393 {
394 if (rop3_code_table[x].code == rop)
395 return rop3_code_table[x].name;
396 }
397
398 return "UNKNOWN";
399}
400
401UINT32 gdi_get_pixel_format(UINT32 bitsPerPixel)
402{
403 UINT32 format = 0;
404
405 switch (bitsPerPixel)
406 {
407 case 32:
408 format = PIXEL_FORMAT_BGRA32;
409 break;
410
411 case 24:
412 format = PIXEL_FORMAT_BGR24;
413 break;
414
415 case 16:
416 format = PIXEL_FORMAT_RGB16;
417 break;
418
419 case 15:
420 format = PIXEL_FORMAT_RGB15;
421 break;
422
423 case 8:
424 format = PIXEL_FORMAT_RGB8;
425 break;
426
427 default:
428 WLog_ERR(TAG, "Unsupported color depth %" PRIu32, bitsPerPixel);
429 format = 0;
430 break;
431 }
432
433 return format;
434}
435
436gdiBitmap* gdi_bitmap_new_ex(rdpGdi* gdi, int width, int height, int bpp, BYTE* data)
437{
438 gdiBitmap* bitmap = (gdiBitmap*)calloc(1, sizeof(gdiBitmap));
439
440 if (!bitmap)
441 goto fail_bitmap;
442
443 if (!(bitmap->hdc = gdi_CreateCompatibleDC(gdi->hdc)))
444 goto fail_hdc;
445
446 WLog_Print(gdi->log, WLOG_DEBUG, "gdi_bitmap_new: width:%d height:%d bpp:%d", width, height,
447 bpp);
448
449 if (!data)
450 bitmap->bitmap =
451 gdi_CreateCompatibleBitmap(gdi->hdc, WINPR_ASSERTING_INT_CAST(uint32_t, width),
452 WINPR_ASSERTING_INT_CAST(uint32_t, height));
453 else
454 bitmap->bitmap = gdi_create_bitmap(gdi, WINPR_ASSERTING_INT_CAST(uint32_t, width),
455 WINPR_ASSERTING_INT_CAST(uint32_t, height),
456 WINPR_ASSERTING_INT_CAST(uint32_t, bpp), data);
457
458 if (!bitmap->bitmap)
459 goto fail_bitmap_bitmap;
460
461 gdi_SelectObject(bitmap->hdc, (HGDIOBJECT)bitmap->bitmap);
462 bitmap->org_bitmap = nullptr;
463 return bitmap;
464fail_bitmap_bitmap:
465 gdi_DeleteDC(bitmap->hdc);
466fail_hdc:
467 free(bitmap);
468fail_bitmap:
469 return nullptr;
470}
471
472void gdi_bitmap_free_ex(gdiBitmap* bitmap)
473{
474 if (bitmap)
475 {
476 gdi_SelectObject(bitmap->hdc, (HGDIOBJECT)bitmap->org_bitmap);
477 gdi_DeleteObject((HGDIOBJECT)bitmap->bitmap);
478 gdi_DeleteDC(bitmap->hdc);
479 free(bitmap);
480 }
481}
482
483BOOL gdi_bitmap_update(rdpContext* context, const BITMAP_UPDATE* bitmapUpdate)
484{
485 if (!context || !bitmapUpdate || !context->gdi || !context->codecs)
486 {
487 WLog_ERR(TAG,
488 "Invalid arguments: context=%p, bitmapUpdate=%p, context->gdi=%p, "
489 "context->codecs=%p",
490 WINPR_CXX_COMPAT_CAST(const void*, context),
491 WINPR_CXX_COMPAT_CAST(const void*, bitmapUpdate),
492 WINPR_CXX_COMPAT_CAST(const void*, context ? context->gdi : nullptr),
493 WINPR_CXX_COMPAT_CAST(const void*, context ? context->codecs : nullptr));
494 return FALSE;
495 }
496
497 for (UINT32 index = 0; index < bitmapUpdate->number; index++)
498 {
499 BOOL rc = FALSE;
500 const BITMAP_DATA* bitmap = &(bitmapUpdate->rectangles[index]);
501 rdpBitmap* bmp = Bitmap_Alloc(context);
502
503 if (!bmp)
504 goto fail;
505
506 if (!Bitmap_SetDimensions(bmp, WINPR_ASSERTING_INT_CAST(UINT16, bitmap->width),
507 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->height)))
508 goto fail;
509
510 if (!Bitmap_SetRectangle(bmp, WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destLeft),
511 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destTop),
512 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destRight),
513 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destBottom)))
514 goto fail;
515
516 if (!bmp->Decompress(context, bmp, bitmap->bitmapDataStream, bitmap->width, bitmap->height,
517 bitmap->bitsPerPixel, bitmap->bitmapLength, bitmap->compressed,
518 RDP_CODEC_ID_NONE))
519 goto fail;
520
521 if (!bmp->New(context, bmp))
522 goto fail;
523
524 if (!bmp->Paint(context, bmp))
525 goto fail;
526
527 rc = TRUE;
528 fail:
529 Bitmap_Free(context, bmp);
530 if (!rc)
531 return FALSE;
532 }
533
534 return TRUE;
535}
536
537static BOOL gdi_palette_update(rdpContext* context, const PALETTE_UPDATE* palette)
538{
539 if (!context || !palette)
540 return FALSE;
541
542 rdpGdi* gdi = context->gdi;
543 if (!gdi)
544 return FALSE;
545
546 gdi->palette.format = gdi->dstFormat;
547
548 for (UINT32 index = 0; index < palette->number; index++)
549 {
550 const PALETTE_ENTRY* pe = &(palette->entries[index]);
551 gdi->palette.palette[index] =
552 FreeRDPGetColor(gdi->dstFormat, pe->red, pe->green, pe->blue, 0xFF);
553 }
554
555 return TRUE;
556}
557
558static BOOL gdi_set_bounds(rdpContext* context, const rdpBounds* bounds)
559{
560 if (!context)
561 return FALSE;
562
563 rdpGdi* gdi = context->gdi;
564 if (!gdi || !gdi->drawing)
565 return FALSE;
566
567 if (bounds)
568 return gdi_SetClipRgn(gdi->drawing->hdc, bounds->left, bounds->top,
569 bounds->right - bounds->left + 1, bounds->bottom - bounds->top + 1);
570
571 return gdi_SetNullClipRgn(gdi->drawing->hdc);
572}
573
574static BOOL gdi_dstblt(rdpContext* context, const DSTBLT_ORDER* dstblt)
575{
576 if (!context || !dstblt)
577 return FALSE;
578
579 rdpGdi* gdi = context->gdi;
580 if (!gdi || !gdi->drawing)
581 return FALSE;
582 return gdi_BitBlt(gdi->drawing->hdc, dstblt->nLeftRect, dstblt->nTopRect, dstblt->nWidth,
583 dstblt->nHeight, nullptr, 0, 0, gdi_rop3_code_checked(dstblt->bRop),
584 &gdi->palette);
585}
586
587static BOOL gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt)
588{
589 WINPR_ASSERT(context);
590 WINPR_ASSERT(patblt);
591
592 const rdpBrush* brush = &patblt->brush;
593 UINT32 foreColor = 0;
594 UINT32 backColor = 0;
595 UINT32 originalColor = 0;
596 HGDI_BRUSH originalBrush = nullptr;
597 HGDI_BRUSH hbrush = nullptr;
598 rdpGdi* gdi = context->gdi;
599 BOOL ret = FALSE;
600 const DWORD rop = gdi_rop3_code_checked(patblt->bRop);
601 INT32 nXSrc = 0;
602 INT32 nYSrc = 0;
603 BYTE data[8 * 8 * 4];
604 HGDI_BITMAP hBmp = nullptr;
605
606 if (!gdi || !gdi->drawing || !gdi->drawing->hdc)
607 return FALSE;
608
609 if (!gdi_decode_color(gdi, patblt->foreColor, &foreColor, nullptr))
610 return FALSE;
611
612 if (!gdi_decode_color(gdi, patblt->backColor, &backColor, nullptr))
613 return FALSE;
614
615 originalColor = gdi_SetTextColor(gdi->drawing->hdc, foreColor);
616 originalBrush = gdi->drawing->hdc->brush;
617
618 switch (brush->style)
619 {
620 case GDI_BS_SOLID:
621 hbrush = gdi_CreateSolidBrush(foreColor);
622 break;
623
624 case GDI_BS_HATCHED:
625 {
626 const BYTE* hatched = nullptr;
627 hatched = GDI_BS_HATCHED_PATTERNS + (8ULL * brush->hatch);
628
629 if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8,
630 hatched, backColor, foreColor, &gdi->palette))
631 goto out_error;
632
633 hBmp = gdi_CreateBitmapEx(8, 8, gdi->drawing->hdc->format, 0, data, nullptr);
634
635 if (!hBmp)
636 goto out_error;
637
638 hbrush = gdi_CreateHatchBrush(hBmp);
639 }
640 break;
641
642 case GDI_BS_PATTERN:
643 {
644 UINT32 brushFormat = 0;
645
646 if (brush->bpp > 1)
647 {
648 UINT32 bpp = brush->bpp;
649
650 if ((bpp == 16) &&
651 (freerdp_settings_get_uint32(context->settings, FreeRDP_ColorDepth) == 15))
652 bpp = 15;
653
654 brushFormat = gdi_get_pixel_format(bpp);
655
656 if (!freerdp_image_copy_no_overlap(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8,
657 brush->data, brushFormat, 0, 0, 0, &gdi->palette,
658 FREERDP_FLIP_NONE))
659 goto out_error;
660 }
661 else
662 {
663 if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8,
664 8, brush->data, backColor, foreColor,
665 &gdi->palette))
666 goto out_error;
667 }
668
669 hBmp = gdi_CreateBitmapEx(8, 8, gdi->drawing->hdc->format, 0, data, nullptr);
670
671 if (!hBmp)
672 goto out_error;
673
674 hbrush = gdi_CreatePatternBrush(hBmp);
675 }
676 break;
677
678 default:
679 WLog_ERR(TAG, "unimplemented brush style:%" PRIu32 "", brush->style);
680 break;
681 }
682
683 if (hbrush)
684 {
685 hbrush->nXOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->x);
686 hbrush->nYOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->y);
687 gdi->drawing->hdc->brush = hbrush;
688 ret = gdi_BitBlt(gdi->drawing->hdc, patblt->nLeftRect, patblt->nTopRect, patblt->nWidth,
689 patblt->nHeight, gdi->primary->hdc, nXSrc, nYSrc, rop, &gdi->palette);
690 }
691
692out_error:
693 gdi_DeleteObject((HGDIOBJECT)hBmp);
694 gdi_DeleteObject((HGDIOBJECT)hbrush);
695 gdi->drawing->hdc->brush = originalBrush;
696 gdi_SetTextColor(gdi->drawing->hdc, originalColor);
697 return ret;
698}
699
700static BOOL gdi_scrblt(rdpContext* context, const SCRBLT_ORDER* scrblt)
701{
702 if (!context || !context->gdi)
703 return FALSE;
704
705 rdpGdi* gdi = context->gdi;
706 if (!gdi->drawing || !gdi->primary)
707 return FALSE;
708
709 return gdi_BitBlt(gdi->drawing->hdc, scrblt->nLeftRect, scrblt->nTopRect, scrblt->nWidth,
710 scrblt->nHeight, gdi->primary->hdc, scrblt->nXSrc, scrblt->nYSrc,
711 gdi_rop3_code_checked(scrblt->bRop), &gdi->palette);
712}
713
714static BOOL gdi_opaque_rect(rdpContext* context, const OPAQUE_RECT_ORDER* opaque_rect)
715{
716 WINPR_ASSERT(context);
717 WINPR_ASSERT(opaque_rect);
718
719 GDI_RECT rect;
720 HGDI_BRUSH hBrush = nullptr;
721 UINT32 brush_color = 0;
722 rdpGdi* gdi = context->gdi;
723 BOOL ret = 0;
724 INT32 x = opaque_rect->nLeftRect;
725 INT32 y = opaque_rect->nTopRect;
726 INT32 w = opaque_rect->nWidth;
727 INT32 h = opaque_rect->nHeight;
728 if (!gdi || !gdi->drawing)
729 return FALSE;
730
731 /* older windows servers tend to send empty rectangles.
732 * ignore these
733 */
734 if (!gdi_CRgnToRect(x, y, w, h, &rect))
735 return TRUE;
736
737 if (!gdi_decode_color(gdi, opaque_rect->color, &brush_color, nullptr))
738 return FALSE;
739
740 if (!(hBrush = gdi_CreateSolidBrush(brush_color)))
741 return FALSE;
742
743 ret = gdi_FillRect(gdi->drawing->hdc, &rect, hBrush);
744 gdi_DeleteObject((HGDIOBJECT)hBrush);
745 return ret;
746}
747
748static BOOL gdi_multi_opaque_rect(rdpContext* context,
749 const MULTI_OPAQUE_RECT_ORDER* multi_opaque_rect)
750{
751 WINPR_ASSERT(context);
752 WINPR_ASSERT(multi_opaque_rect);
753
754 GDI_RECT rect = WINPR_C_ARRAY_INIT;
755 UINT32 brush_color = 0;
756 rdpGdi* gdi = context->gdi;
757 BOOL ret = TRUE;
758
759 if (!gdi || !gdi->drawing)
760 return FALSE;
761
762 if (!gdi_decode_color(gdi, multi_opaque_rect->color, &brush_color, nullptr))
763 return FALSE;
764
765 HGDI_BRUSH hBrush = gdi_CreateSolidBrush(brush_color);
766
767 if (!hBrush)
768 return FALSE;
769
770 for (UINT32 i = 0; i < multi_opaque_rect->numRectangles; i++)
771 {
772 const DELTA_RECT* rectangle = &multi_opaque_rect->rectangles[i];
773 const INT32 x = rectangle->left;
774 const INT32 y = rectangle->top;
775 const INT32 w = rectangle->width;
776 const INT32 h = rectangle->height;
777
778 /* older windows servers tend to send empty rectangles.
779 * ignore these
780 */
781 if (!gdi_CRgnToRect(x, y, w, h, &rect))
782 continue;
783
784 ret = gdi_FillRect(gdi->drawing->hdc, &rect, hBrush);
785
786 if (!ret)
787 break;
788 }
789
790 gdi_DeleteObject((HGDIOBJECT)hBrush);
791 return ret;
792}
793
794static BOOL gdi_line_to(rdpContext* context, const LINE_TO_ORDER* lineTo)
795{
796 BOOL rc = FALSE;
797 UINT32 color = 0;
798 WINPR_ASSERT(context);
799 WINPR_ASSERT(lineTo);
800
801 rdpGdi* gdi = context->gdi;
802 if (!gdi || !gdi->drawing || !gdi->drawing->hdc)
803 return FALSE;
804
805 if (!gdi_decode_color(gdi, lineTo->penColor, &color, nullptr))
806 return FALSE;
807
808 HGDI_PEN hPen = gdi_CreatePen(lineTo->penStyle, lineTo->penWidth, color,
809 gdi->drawing->hdc->format, &gdi->palette);
810 if (!hPen)
811 return FALSE;
812
813 WINPR_ASSERT(gdi->drawing);
814
815 gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT)hPen);
816 gdi_SetROP2(gdi->drawing->hdc, WINPR_ASSERTING_INT_CAST(int32_t, lineTo->bRop2));
817 if (!gdi_MoveToEx(gdi->drawing->hdc, lineTo->nXStart, lineTo->nYStart, nullptr))
818 goto fail;
819 if (!gdi_LineTo(gdi->drawing->hdc, lineTo->nXEnd, lineTo->nYEnd))
820 goto fail;
821
822 rc = TRUE;
823fail:
824 gdi_DeleteObject((HGDIOBJECT)hPen);
825 return rc;
826}
827
828static BOOL gdi_polyline(rdpContext* context, const POLYLINE_ORDER* polyline)
829{
830 BOOL rc = FALSE;
831 WINPR_ASSERT(context);
832 WINPR_ASSERT(polyline);
833
834 rdpGdi* gdi = context->gdi;
835 if (!gdi || !gdi->drawing || !gdi->drawing->hdc)
836 return FALSE;
837
838 UINT32 color = 0;
839 if (!gdi_decode_color(gdi, polyline->penColor, &color, nullptr))
840 return FALSE;
841
842 WINPR_ASSERT(gdi->drawing);
843 WINPR_ASSERT(gdi->drawing->hdc);
844
845 HGDI_PEN hPen = gdi_CreatePen(GDI_PS_SOLID, 1, color, gdi->drawing->hdc->format, &gdi->palette);
846 if (!hPen)
847 return FALSE;
848
849 gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT)hPen);
850 gdi_SetROP2(gdi->drawing->hdc, WINPR_ASSERTING_INT_CAST(int32_t, polyline->bRop2));
851 INT32 x = polyline->xStart;
852 INT32 y = polyline->yStart;
853 if (!gdi_MoveToEx(gdi->drawing->hdc, x, y, nullptr))
854 goto fail;
855 DELTA_POINT* points = polyline->points;
856
857 for (UINT32 i = 0; i < polyline->numDeltaEntries; i++)
858 {
859 x += points[i].x;
860 y += points[i].y;
861 if (!gdi_LineTo(gdi->drawing->hdc, x, y))
862 goto fail;
863 if (!gdi_MoveToEx(gdi->drawing->hdc, x, y, nullptr))
864 goto fail;
865 }
866
867 rc = TRUE;
868fail:
869 gdi_DeleteObject((HGDIOBJECT)hPen);
870 return rc;
871}
872
873static BOOL gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
874{
875 if (!context || !memblt || !memblt->bitmap)
876 return FALSE;
877
878 gdiBitmap* bitmap = (gdiBitmap*)memblt->bitmap;
879 rdpGdi* gdi = context->gdi;
880 if (!gdi || !gdi->drawing)
881 return FALSE;
882 return gdi_BitBlt(gdi->drawing->hdc, memblt->nLeftRect, memblt->nTopRect, memblt->nWidth,
883 memblt->nHeight, bitmap->hdc, memblt->nXSrc, memblt->nYSrc,
884 gdi_rop3_code_checked(memblt->bRop), &gdi->palette);
885}
886
887static BOOL gdi_mem3blt(rdpContext* context, MEM3BLT_ORDER* mem3blt)
888{
889 WINPR_ASSERT(context);
890 WINPR_ASSERT(mem3blt);
891
892 HGDI_BRUSH originalBrush = nullptr;
893 rdpGdi* gdi = context->gdi;
894 if (!gdi || !gdi->drawing)
895 return FALSE;
896
897 BOOL ret = TRUE;
898 const rdpBrush* brush = &mem3blt->brush;
899 gdiBitmap* bitmap = (gdiBitmap*)mem3blt->bitmap;
900 UINT32 foreColor = 0;
901 UINT32 backColor = 0;
902 UINT32 originalColor = 0;
903
904 if (!gdi_decode_color(gdi, mem3blt->foreColor, &foreColor, nullptr))
905 return FALSE;
906
907 if (!gdi_decode_color(gdi, mem3blt->backColor, &backColor, nullptr))
908 return FALSE;
909
910 originalColor = gdi_SetTextColor(gdi->drawing->hdc, foreColor);
911
912 switch (brush->style)
913 {
914 case GDI_BS_SOLID:
915 originalBrush = gdi->drawing->hdc->brush;
916 gdi->drawing->hdc->brush = gdi_CreateSolidBrush(foreColor);
917
918 if (!gdi->drawing->hdc->brush)
919 {
920 ret = FALSE;
921 goto out_fail;
922 }
923
924 ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect,
925 mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc, mem3blt->nXSrc,
926 mem3blt->nYSrc, gdi_rop3_code_checked(mem3blt->bRop), &gdi->palette);
927 gdi_DeleteObject((HGDIOBJECT)gdi->drawing->hdc->brush);
928 gdi->drawing->hdc->brush = originalBrush;
929 break;
930
931 case GDI_BS_PATTERN:
932 {
933 HGDI_BITMAP hBmp = nullptr;
934 UINT32 brushFormat = 0;
935 BYTE* data = (BYTE*)winpr_aligned_malloc(
936 8ULL * 8ULL * FreeRDPGetBytesPerPixel(gdi->drawing->hdc->format), 16);
937
938 if (!data)
939 {
940 ret = FALSE;
941 goto out_fail;
942 }
943
944 if (brush->bpp > 1)
945 {
946 UINT32 bpp = brush->bpp;
947
948 const UINT32 ColorDepth =
949 freerdp_settings_get_uint32(gdi->context->settings, FreeRDP_ColorDepth);
950 if ((bpp == 16) && (ColorDepth == 15))
951 bpp = 15;
952
953 brushFormat = gdi_get_pixel_format(bpp);
954
955 if (!freerdp_image_copy_no_overlap(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8,
956 brush->data, brushFormat, 0, 0, 0, &gdi->palette,
957 FREERDP_FLIP_NONE))
958 {
959 ret = FALSE;
960 winpr_aligned_free(data);
961 goto out_fail;
962 }
963 }
964 else
965 {
966 if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8,
967 8, brush->data, backColor, foreColor,
968 &gdi->palette))
969 {
970 ret = FALSE;
971 winpr_aligned_free(data);
972 goto out_fail;
973 }
974 }
975
976 hBmp = gdi_CreateBitmap(8, 8, gdi->drawing->hdc->format, data);
977
978 if (!hBmp)
979 {
980 ret = FALSE;
981 winpr_aligned_free(data);
982 goto out_fail;
983 }
984
985 originalBrush = gdi->drawing->hdc->brush;
986 gdi->drawing->hdc->brush = gdi_CreatePatternBrush(hBmp);
987
988 if (!gdi->drawing->hdc->brush)
989 {
990 gdi_DeleteObject((HGDIOBJECT)hBmp);
991 goto out_fail;
992 }
993
994 gdi->drawing->hdc->brush->nXOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->x);
995 gdi->drawing->hdc->brush->nYOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->y);
996 ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect,
997 mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc, mem3blt->nXSrc,
998 mem3blt->nYSrc, gdi_rop3_code_checked(mem3blt->bRop), &gdi->palette);
999 gdi_DeleteObject((HGDIOBJECT)gdi->drawing->hdc->brush);
1000 gdi_DeleteObject((HGDIOBJECT)hBmp);
1001 gdi->drawing->hdc->brush = originalBrush;
1002 }
1003 break;
1004
1005 default:
1006 WLog_ERR(TAG, "Mem3Blt unimplemented brush style:%" PRIu32 "", brush->style);
1007 break;
1008 }
1009
1010out_fail:
1011 gdi_SetTextColor(gdi->drawing->hdc, originalColor);
1012 return ret;
1013}
1014
1015static BOOL gdi_polygon_sc(WINPR_ATTR_UNUSED rdpContext* context,
1016 WINPR_ATTR_UNUSED const POLYGON_SC_ORDER* polygon_sc)
1017{
1018 WLog_WARN(TAG, "not implemented");
1019 return FALSE;
1020}
1021
1022static BOOL gdi_polygon_cb(WINPR_ATTR_UNUSED rdpContext* context,
1023 WINPR_ATTR_UNUSED POLYGON_CB_ORDER* polygon_cb)
1024{
1025 WLog_WARN(TAG, "not implemented");
1026 return FALSE;
1027}
1028
1029static BOOL gdi_ellipse_sc(WINPR_ATTR_UNUSED rdpContext* context,
1030 WINPR_ATTR_UNUSED const ELLIPSE_SC_ORDER* ellipse_sc)
1031{
1032 WLog_WARN(TAG, "not implemented");
1033 return FALSE;
1034}
1035
1036static BOOL gdi_ellipse_cb(WINPR_ATTR_UNUSED rdpContext* context,
1037 WINPR_ATTR_UNUSED const ELLIPSE_CB_ORDER* ellipse_cb)
1038{
1039 WLog_WARN(TAG, "not implemented");
1040 return FALSE;
1041}
1042
1043static BOOL gdi_frame_marker(WINPR_ATTR_UNUSED rdpContext* context,
1044 WINPR_ATTR_UNUSED const FRAME_MARKER_ORDER* frameMarker)
1045{
1046 return TRUE;
1047}
1048
1049static BOOL gdi_surface_frame_marker(rdpContext* context,
1050 const SURFACE_FRAME_MARKER* surfaceFrameMarker)
1051{
1052 WINPR_ASSERT(context);
1053 WINPR_ASSERT(context->gdi);
1054 WINPR_ASSERT(context->update);
1055 WINPR_ASSERT(surfaceFrameMarker);
1056
1057 WLog_Print(context->gdi->log, WLOG_DEBUG, "frameId %" PRIu32 " frameAction %" PRIu32 "",
1058 surfaceFrameMarker->frameId, surfaceFrameMarker->frameAction);
1059
1060 switch (surfaceFrameMarker->frameAction)
1061 {
1062 case SURFACECMD_FRAMEACTION_BEGIN:
1063 break;
1064
1065 case SURFACECMD_FRAMEACTION_END:
1066 if (freerdp_settings_get_uint32(context->settings, FreeRDP_FrameAcknowledge) > 0)
1067 {
1068 if (!IFCALLRESULT(TRUE, context->update->SurfaceFrameAcknowledge, context,
1069 surfaceFrameMarker->frameId))
1070 return FALSE;
1071 }
1072
1073 break;
1074 default:
1075 break;
1076 }
1077
1078 return TRUE;
1079}
1080
1081static BOOL intersect_rect(const rdpGdi* gdi, const SURFACE_BITS_COMMAND* cmd, RECTANGLE_16* prect)
1082{
1083 WINPR_ASSERT(gdi);
1084 WINPR_ASSERT(cmd);
1085 WINPR_ASSERT(prect);
1086
1087 const UINT32 w = (const UINT32)gdi->width;
1088 const UINT32 h = (const UINT32)gdi->height;
1089
1090 if (cmd->destLeft > w)
1091 return FALSE;
1092 if (cmd->destRight > w)
1093 return FALSE;
1094 if (cmd->destLeft > cmd->destRight)
1095 return FALSE;
1096 if (cmd->destRight > UINT16_MAX)
1097 return FALSE;
1098
1099 if (cmd->destTop > h)
1100 return FALSE;
1101 if (cmd->destBottom > h)
1102 return FALSE;
1103 if (cmd->destTop > cmd->destBottom)
1104 return FALSE;
1105 if (cmd->destBottom > UINT16_MAX)
1106 return FALSE;
1107
1108 prect->left = (const UINT16)cmd->destLeft;
1109 prect->top = (const UINT16)cmd->destTop;
1110 prect->right = MIN((UINT16)cmd->destRight, prect->left + cmd->bmp.width);
1111 prect->bottom = MIN((UINT16)cmd->destBottom, prect->top + cmd->bmp.height);
1112 return TRUE;
1113}
1114
1115static BOOL gdi_surface_bits(rdpContext* context, const SURFACE_BITS_COMMAND* cmd)
1116{
1117 BOOL result = FALSE;
1118 DWORD format = 0;
1119 size_t size = 0;
1120 REGION16 region;
1121 RECTANGLE_16 cmdRect = WINPR_C_ARRAY_INIT;
1122
1123 if (!context || !cmd)
1124 return FALSE;
1125
1126 rdpGdi* gdi = context->gdi;
1127 if (!gdi)
1128 return FALSE;
1129
1130 WLog_Print(gdi->log, WLOG_DEBUG,
1131 "destLeft %" PRIu32 " destTop %" PRIu32 " destRight %" PRIu32 " destBottom %" PRIu32
1132 " "
1133 "bpp %" PRIu8 " flags %" PRIx8 " codecID %s [0x%04" PRIu16 "] width %" PRIu16
1134 " height %" PRIu16 " length %" PRIu32 "",
1135 cmd->destLeft, cmd->destTop, cmd->destRight, cmd->destBottom, cmd->bmp.bpp,
1136 cmd->bmp.flags, freerdp_codec_id_to_str(cmd->bmp.codecID), cmd->bmp.codecID,
1137 cmd->bmp.width, cmd->bmp.height, cmd->bmp.bitmapDataLength);
1138 region16_init(&region);
1139
1140 if (!intersect_rect(gdi, cmd, &cmdRect))
1141 goto out;
1142
1143 switch (cmd->bmp.codecID)
1144 {
1145 case RDP_CODEC_ID_REMOTEFX:
1146 case RDP_CODEC_ID_IMAGE_REMOTEFX:
1147 if (!rfx_process_message(context->codecs->rfx, cmd->bmp.bitmapData,
1148 cmd->bmp.bitmapDataLength, cmdRect.left, cmdRect.top,
1149 gdi->primary_buffer, gdi->dstFormat, gdi->stride,
1150 WINPR_ASSERTING_INT_CAST(uint32_t, gdi->height), &region))
1151 {
1152 WLog_ERR(TAG, "Failed to process RemoteFX message");
1153 goto out;
1154 }
1155
1156 break;
1157
1158 case RDP_CODEC_ID_NSCODEC:
1159 format = gdi->dstFormat;
1160
1161 if (!nsc_process_message(
1162 context->codecs->nsc, cmd->bmp.bpp, cmd->bmp.width, cmd->bmp.height,
1163 cmd->bmp.bitmapData, cmd->bmp.bitmapDataLength, gdi->primary_buffer, format,
1164 gdi->stride, cmdRect.left, cmdRect.top,
1165 WINPR_ASSERTING_INT_CAST(UINT32, gdi->width),
1166 WINPR_ASSERTING_INT_CAST(UINT32, gdi->height), FREERDP_FLIP_VERTICAL))
1167 {
1168 WLog_ERR(TAG, "Failed to process NSCodec message");
1169 goto out;
1170 }
1171
1172 if (!region16_union_rect(&region, &region, &cmdRect))
1173 goto out;
1174 break;
1175
1176 case RDP_CODEC_ID_NONE:
1177 format = gdi_get_pixel_format(cmd->bmp.bpp);
1178 size = 1ull * cmd->bmp.width * cmd->bmp.height * FreeRDPGetBytesPerPixel(format);
1179 if (size > cmd->bmp.bitmapDataLength)
1180 {
1181 WLog_ERR(TAG, "Short nocodec message: got %" PRIu32 " bytes, require %" PRIuz,
1182 cmd->bmp.bitmapDataLength, size);
1183 goto out;
1184 }
1185
1186 if (!freerdp_image_copy_no_overlap(
1187 gdi->primary_buffer, gdi->dstFormat, gdi->stride, cmdRect.left, cmdRect.top,
1188 cmdRect.right - cmdRect.left, cmdRect.bottom - cmdRect.top, cmd->bmp.bitmapData,
1189 format, 0, 0, 0, &gdi->palette, FREERDP_FLIP_VERTICAL))
1190 {
1191 WLog_ERR(TAG, "Failed to process nocodec message");
1192 goto out;
1193 }
1194
1195 if (!region16_union_rect(&region, &region, &cmdRect))
1196 goto out;
1197 break;
1198
1199 default:
1200 WLog_ERR(TAG, "Unsupported codecID %" PRIu32 "", cmd->bmp.codecID);
1201 break;
1202 }
1203
1204 {
1205 UINT32 nbRects = 0;
1206 const RECTANGLE_16* rects = region16_rects(&region, &nbRects);
1207 if (!rects && (nbRects > 0))
1208 goto out;
1209
1210 if (nbRects == 0)
1211 {
1212 const int32_t w = cmdRect.right - cmdRect.left;
1213 const int32_t h = cmdRect.bottom - cmdRect.top;
1214 if (!gdi_InvalidateRegion(gdi->primary->hdc, cmdRect.left, cmdRect.top, w, h))
1215 goto out;
1216 }
1217 for (UINT32 i = 0; i < nbRects; i++)
1218 {
1219 const RECTANGLE_16* rect = &rects[i];
1220
1221 UINT32 left = rect->left;
1222 UINT32 top = rect->top;
1223 UINT32 width = rect->right - rect->left;
1224 UINT32 height = rect->bottom - rect->top;
1225
1226 if (!gdi_InvalidateRegion(gdi->primary->hdc, WINPR_ASSERTING_INT_CAST(int32_t, left),
1227 WINPR_ASSERTING_INT_CAST(int32_t, top),
1228 WINPR_ASSERTING_INT_CAST(int32_t, width),
1229 WINPR_ASSERTING_INT_CAST(int32_t, height)))
1230 {
1231 WLog_ERR(TAG, "Failed to update invalid region");
1232 goto out;
1233 }
1234 }
1235 }
1236 result = TRUE;
1237out:
1238 region16_uninit(&region);
1239 return result;
1240}
1241
1247static void gdi_register_update_callbacks(rdpUpdate* update)
1248{
1249 WINPR_ASSERT(update);
1250 WINPR_ASSERT(update->context);
1251
1252 const rdpSettings* settings = update->context->settings;
1253 WINPR_ASSERT(settings);
1254
1255 rdpPrimaryUpdate* primary = update->primary;
1256 WINPR_ASSERT(primary);
1257
1258 if (freerdp_settings_get_bool(settings, FreeRDP_DeactivateClientDecoding))
1259 return;
1260 update->Palette = gdi_palette_update;
1261 update->SetBounds = gdi_set_bounds;
1262 primary->DstBlt = gdi_dstblt;
1263 primary->PatBlt = gdi_patblt;
1264 primary->ScrBlt = gdi_scrblt;
1265 primary->OpaqueRect = gdi_opaque_rect;
1266 primary->DrawNineGrid = nullptr;
1267 primary->MultiDstBlt = nullptr;
1268 primary->MultiPatBlt = nullptr;
1269 primary->MultiScrBlt = nullptr;
1270 primary->MultiOpaqueRect = gdi_multi_opaque_rect;
1271 primary->MultiDrawNineGrid = nullptr;
1272 primary->LineTo = gdi_line_to;
1273 primary->Polyline = gdi_polyline;
1274 primary->MemBlt = gdi_memblt;
1275 primary->Mem3Blt = gdi_mem3blt;
1276 primary->SaveBitmap = nullptr;
1277 primary->GlyphIndex = nullptr;
1278 primary->FastIndex = nullptr;
1279 primary->FastGlyph = nullptr;
1280 primary->PolygonSC = gdi_polygon_sc;
1281 primary->PolygonCB = gdi_polygon_cb;
1282 primary->EllipseSC = gdi_ellipse_sc;
1283 primary->EllipseCB = gdi_ellipse_cb;
1284 update->SurfaceBits = gdi_surface_bits;
1285 update->SurfaceFrameMarker = gdi_surface_frame_marker;
1286 update->altsec->FrameMarker = gdi_frame_marker;
1287}
1288
1289static BOOL gdi_init_primary(rdpGdi* gdi, UINT32 stride, UINT32 format, BYTE* buffer,
1290 void (*pfree)(void*), BOOL isLocked)
1291{
1292 WINPR_ASSERT(gdi);
1293 WINPR_ASSERT(gdi->context);
1294 WINPR_ASSERT(gdi->context->update);
1295 if (!isLocked)
1296 rdp_update_lock(gdi->context->update);
1297
1298 gdi->primary = (gdiBitmap*)calloc(1, sizeof(gdiBitmap));
1299
1300 if (format > 0)
1301 gdi->dstFormat = format;
1302
1303 if (stride > 0)
1304 gdi->stride = stride;
1305 else
1306 gdi->stride = WINPR_ASSERTING_INT_CAST(uint32_t, gdi->width) *
1307 FreeRDPGetBytesPerPixel(gdi->dstFormat);
1308
1309 if (!gdi->primary)
1310 goto fail_primary;
1311
1312 if (!(gdi->primary->hdc = gdi_CreateCompatibleDC(gdi->hdc)))
1313 goto fail_hdc;
1314
1315 if (!buffer)
1316 {
1317 gdi->primary->bitmap =
1318 gdi_CreateCompatibleBitmap(gdi->hdc, WINPR_ASSERTING_INT_CAST(uint32_t, gdi->width),
1319 WINPR_ASSERTING_INT_CAST(uint32_t, gdi->height));
1320 }
1321 else
1322 {
1323 gdi->primary->bitmap = gdi_CreateBitmapEx(WINPR_ASSERTING_INT_CAST(uint32_t, gdi->width),
1324 WINPR_ASSERTING_INT_CAST(uint32_t, gdi->height),
1325 gdi->dstFormat, gdi->stride, buffer, pfree);
1326 }
1327
1328 if (!gdi->primary->bitmap)
1329 goto fail_bitmap;
1330
1331 gdi->stride = gdi->primary->bitmap->scanline;
1332 gdi_SelectObject(gdi->primary->hdc, (HGDIOBJECT)gdi->primary->bitmap);
1333 gdi->primary->org_bitmap = nullptr;
1334 gdi->primary_buffer = gdi->primary->bitmap->data;
1335
1336 if (!(gdi->primary->hdc->hwnd = (HGDI_WND)calloc(1, sizeof(GDI_WND))))
1337 goto fail_hwnd;
1338
1339 if (!(gdi->primary->hdc->hwnd->invalid = gdi_CreateRectRgn(0, 0, 0, 0)))
1340 goto fail_hwnd;
1341
1342 gdi->primary->hdc->hwnd->invalid->null = TRUE;
1343 gdi->primary->hdc->hwnd->count = 32;
1344
1345 if (!(gdi->primary->hdc->hwnd->cinvalid =
1346 (GDI_RGN*)calloc(gdi->primary->hdc->hwnd->count, sizeof(GDI_RGN))))
1347 goto fail_hwnd;
1348
1349 gdi->primary->hdc->hwnd->ninvalid = 0;
1350
1351 if (!gdi->drawing)
1352 gdi->drawing = gdi->primary;
1353
1354 rdp_update_unlock(gdi->context->update);
1355 return TRUE;
1356fail_hwnd:
1357 gdi_DeleteObject((HGDIOBJECT)gdi->primary->bitmap);
1358fail_bitmap:
1359 gdi_DeleteDC(gdi->primary->hdc);
1360fail_hdc:
1361 free(gdi->primary);
1362 gdi->primary = nullptr;
1363fail_primary:
1364 rdp_update_unlock(gdi->context->update);
1365 return FALSE;
1366}
1367
1368BOOL gdi_resize(rdpGdi* gdi, UINT32 width, UINT32 height)
1369{
1370 return gdi_resize_ex(gdi, width, height, 0, 0, nullptr, nullptr);
1371}
1372
1373BOOL gdi_resize_ex(rdpGdi* gdi, UINT32 width, UINT32 height, UINT32 stride, UINT32 format,
1374 BYTE* buffer, void (*pfree)(void*))
1375{
1376 if (!gdi || !gdi->primary)
1377 return FALSE;
1378
1379 if ((width > INT32_MAX) || (height > INT32_MAX))
1380 return FALSE;
1381
1382 if ((gdi->width == (INT32)width) && (gdi->height == (INT32)height) &&
1383 (!buffer || (gdi->primary_buffer == buffer)))
1384 return TRUE;
1385
1386 WINPR_ASSERT(gdi->context);
1387 WINPR_ASSERT(gdi->context->update);
1388
1389 /* EndPaint might not have been called, ensure the update lock is released */
1390 if (!update_end_paint(gdi->context->update))
1391 return FALSE;
1392 rdp_update_lock(gdi->context->update);
1393
1394 if (gdi->drawing == gdi->primary)
1395 gdi->drawing = nullptr;
1396
1397 gdi->width = (INT32)width;
1398 gdi->height = (INT32)height;
1399 gdi_bitmap_free_ex(gdi->primary);
1400 gdi->primary = nullptr;
1401 gdi->primary_buffer = nullptr;
1402 return gdi_init_primary(gdi, stride, format, buffer, pfree, TRUE);
1403}
1404
1412BOOL gdi_init(freerdp* instance, UINT32 format)
1413{
1414 return gdi_init_ex(instance, format, 0, nullptr, winpr_aligned_free);
1415}
1416
1428BOOL gdi_init_ex(freerdp* instance, UINT32 format, UINT32 stride, BYTE* buffer,
1429 void (*pfree)(void*))
1430{
1431 rdpContext* context = nullptr;
1432 UINT32 SrcFormat = 0;
1433 rdpGdi* gdi = nullptr;
1434
1435 WINPR_ASSERT(instance);
1436
1437 context = instance->context;
1438 WINPR_ASSERT(context);
1439 WINPR_ASSERT(context->settings);
1440
1441 const UINT32 ColorDepth = freerdp_settings_get_uint32(context->settings, FreeRDP_ColorDepth);
1442 SrcFormat = gdi_get_pixel_format(ColorDepth);
1443 gdi = (rdpGdi*)calloc(1, sizeof(rdpGdi));
1444
1445 if (!gdi)
1446 goto fail;
1447
1448 context->gdi = gdi;
1449 gdi->log = WLog_Get(TAG);
1450
1451 if (!gdi->log)
1452 goto fail;
1453
1454 gdi->context = context;
1455 gdi->width = WINPR_ASSERTING_INT_CAST(
1456 int32_t, freerdp_settings_get_uint32(context->settings, FreeRDP_DesktopWidth));
1457 gdi->height = WINPR_ASSERTING_INT_CAST(
1458 int32_t, freerdp_settings_get_uint32(context->settings, FreeRDP_DesktopHeight));
1459 gdi->dstFormat = format;
1460 /* default internal buffer format */
1461 WLog_Print(gdi->log, WLOG_INFO, "Local framebuffer format %s",
1462 FreeRDPGetColorFormatName(gdi->dstFormat));
1463 WLog_Print(gdi->log, WLOG_INFO, "Remote framebuffer format %s",
1464 FreeRDPGetColorFormatName(SrcFormat));
1465
1466 if (!(gdi->hdc = gdi_GetDC()))
1467 goto fail;
1468
1469 gdi->hdc->format = gdi->dstFormat;
1470
1471 if (!gdi_init_primary(gdi, stride, gdi->dstFormat, buffer, pfree, FALSE))
1472 goto fail;
1473
1474 if (!(context->cache = cache_new(context)))
1475 goto fail;
1476
1477 gdi_register_update_callbacks(context->update);
1478 brush_cache_register_callbacks(context->update);
1479 glyph_cache_register_callbacks(context->update);
1480 bitmap_cache_register_callbacks(context->update);
1481 offscreen_cache_register_callbacks(context->update);
1482 palette_cache_register_callbacks(context->update);
1483
1484 if (!gdi_register_graphics(context->graphics))
1485 goto fail;
1486
1487 return TRUE;
1488fail:
1489 gdi_free(instance);
1490 WLog_ERR(TAG, "failed to initialize gdi");
1491 return FALSE;
1492}
1493
1494void gdi_free(freerdp* instance)
1495{
1496 rdpGdi* gdi = nullptr;
1497 rdpContext* context = nullptr;
1498
1499 if (!instance || !instance->context)
1500 return;
1501
1502 gdi = instance->context->gdi;
1503
1504 if (gdi)
1505 {
1506 gdi_bitmap_free_ex(gdi->primary);
1507 gdi_DeleteDC(gdi->hdc);
1508 free(gdi);
1509 }
1510
1511 context = instance->context;
1512 cache_free(context->cache);
1513 context->cache = nullptr;
1514 instance->context->gdi = (rdpGdi*)nullptr;
1515}
1516
1517BOOL gdi_send_suppress_output(rdpGdi* gdi, BOOL suppress)
1518{
1519 if (!gdi || !gdi->context)
1520 return FALSE;
1521
1522 if (gdi->suppressOutput == suppress)
1523 return TRUE;
1524
1525 gdi->suppressOutput = suppress;
1526
1527 rdpContext* context = gdi->context;
1528 rdpSettings* settings = context->settings;
1529 WINPR_ASSERT(settings);
1530
1531 rdpUpdate* update = context->update;
1532 WINPR_ASSERT(update);
1533
1534 const UINT32 w = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
1535 const UINT32 h = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
1536
1537 const RECTANGLE_16 rect = { .left = 0,
1538 .top = 0,
1539 .right = WINPR_ASSERTING_INT_CAST(UINT16, w),
1540 .bottom = WINPR_ASSERTING_INT_CAST(UINT16, h) };
1541
1542 WINPR_ASSERT(update->SuppressOutput);
1543 return update->SuppressOutput(context, !suppress, &rect);
1544}
freerdp_settings_get_uint32
WINPR_ATTR_NODISCARD FREERDP_API UINT32 freerdp_settings_get_uint32(const rdpSettings *settings, FreeRDP_Settings_Keys_UInt32 id)
Returns a UINT32 settings value.
freerdp_settings_get_bool
WINPR_ATTR_NODISCARD FREERDP_API BOOL freerdp_settings_get_bool(const rdpSettings *settings, FreeRDP_Settings_Keys_Bool id)
Returns a boolean settings value.
BITMAP_DATA
Definition include/freerdp/update.h:53
BITMAP_UPDATE
Definition include/freerdp/update.h:72
DELTA_POINT
Definition primary.h:225
DELTA_RECT
Definition primary.h:138
DSTBLT_ORDER
Definition primary.h:88
ELLIPSE_CB_ORDER
Definition primary.h:405
ELLIPSE_SC_ORDER
Definition primary.h:394
FRAME_MARKER_ORDER
Definition altsec.h:84
GDI_BITMAP
Definition include/freerdp/gdi/gdi.h:392
GDI_BRUSH
Definition include/freerdp/gdi/gdi.h:438
GDI_PEN
Definition include/freerdp/gdi/gdi.h:404
GDI_RECT
Definition include/freerdp/gdi/gdi.h:371
GDI_RGN
Definition include/freerdp/gdi/gdi.h:381
GDI_WND
Definition include/freerdp/gdi/gdi.h:449
LINE_TO_ORDER
Definition primary.h:211
MEM3BLT_ORDER
Definition primary.h:257
MEMBLT_ORDER
Definition primary.h:242
MULTI_OPAQUE_RECT_ORDER
Definition primary.h:187
OPAQUE_RECT_ORDER
Definition primary.h:120
PALETTE_ENTRY
Definition types.h:82
PALETTE_UPDATE
Definition include/freerdp/update.h:81
PATBLT_ORDER
Definition primary.h:97
POLYGON_CB_ORDER
Definition primary.h:379
POLYGON_SC_ORDER
Definition primary.h:367
POLYLINE_ORDER
Definition primary.h:231
RECTANGLE_16
Definition types.h:109
SCRBLT_ORDER
Definition primary.h:109
SURFACE_BITS_COMMAND
Definition include/freerdp/update.h:123
SURFACE_FRAME_MARKER
Definition include/freerdp/update.h:134