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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 = NULL;
439 bitmap = (gdiBitmap*)calloc(1, sizeof(gdiBitmap));
440
441 if (!bitmap)
442 goto fail_bitmap;
443
444 if (!(bitmap->hdc = gdi_CreateCompatibleDC(gdi->hdc)))
445 goto fail_hdc;
446
447 WLog_Print(gdi->log, WLOG_DEBUG, "gdi_bitmap_new: width:%d height:%d bpp:%d", width, height,
448 bpp);
449
450 if (!data)
451 bitmap->bitmap =
452 gdi_CreateCompatibleBitmap(gdi->hdc, WINPR_ASSERTING_INT_CAST(uint32_t, width),
453 WINPR_ASSERTING_INT_CAST(uint32_t, height));
454 else
455 bitmap->bitmap = gdi_create_bitmap(gdi, WINPR_ASSERTING_INT_CAST(uint32_t, width),
456 WINPR_ASSERTING_INT_CAST(uint32_t, height),
457 WINPR_ASSERTING_INT_CAST(uint32_t, bpp), data);
458
459 if (!bitmap->bitmap)
460 goto fail_bitmap_bitmap;
461
462 gdi_SelectObject(bitmap->hdc, (HGDIOBJECT)bitmap->bitmap);
463 bitmap->org_bitmap = NULL;
464 return bitmap;
465fail_bitmap_bitmap:
466 gdi_DeleteDC(bitmap->hdc);
467fail_hdc:
468 free(bitmap);
469fail_bitmap:
470 return NULL;
471}
472
473void gdi_bitmap_free_ex(gdiBitmap* bitmap)
474{
475 if (bitmap)
476 {
477 gdi_SelectObject(bitmap->hdc, (HGDIOBJECT)bitmap->org_bitmap);
478 gdi_DeleteObject((HGDIOBJECT)bitmap->bitmap);
479 gdi_DeleteDC(bitmap->hdc);
480 free(bitmap);
481 }
482}
483
484BOOL gdi_bitmap_update(rdpContext* context, const BITMAP_UPDATE* bitmapUpdate)
485{
486 if (!context || !bitmapUpdate || !context->gdi || !context->codecs)
487 {
488 WLog_ERR(TAG,
489 "Invalid arguments: context=%p, bitmapUpdate=%p, context->gdi=%p, "
490 "context->codecs=%p",
491 context, bitmapUpdate, context ? context->gdi : NULL,
492 context ? context->codecs : NULL);
493 return FALSE;
494 }
495
496 for (UINT32 index = 0; index < bitmapUpdate->number; index++)
497 {
498 BOOL rc = FALSE;
499 const BITMAP_DATA* bitmap = &(bitmapUpdate->rectangles[index]);
500 rdpBitmap* bmp = Bitmap_Alloc(context);
501
502 if (!bmp)
503 goto fail;
504
505 if (!Bitmap_SetDimensions(bmp, WINPR_ASSERTING_INT_CAST(UINT16, bitmap->width),
506 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->height)))
507 goto fail;
508
509 if (!Bitmap_SetRectangle(bmp, WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destLeft),
510 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destTop),
511 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destRight),
512 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destBottom)))
513 goto fail;
514
515 if (!bmp->Decompress(context, bmp, bitmap->bitmapDataStream, bitmap->width, bitmap->height,
516 bitmap->bitsPerPixel, bitmap->bitmapLength, bitmap->compressed,
517 RDP_CODEC_ID_NONE))
518 goto fail;
519
520 if (!bmp->New(context, bmp))
521 goto fail;
522
523 if (!bmp->Paint(context, bmp))
524 goto fail;
525
526 rc = TRUE;
527 fail:
528 Bitmap_Free(context, bmp);
529 if (!rc)
530 return FALSE;
531 }
532
533 return TRUE;
534}
535
536static BOOL gdi_palette_update(rdpContext* context, const PALETTE_UPDATE* palette)
537{
538 rdpGdi* gdi = NULL;
539
540 if (!context || !palette)
541 return FALSE;
542
543 gdi = context->gdi;
544 gdi->palette.format = gdi->dstFormat;
545
546 for (UINT32 index = 0; index < palette->number; index++)
547 {
548 const PALETTE_ENTRY* pe = &(palette->entries[index]);
549 gdi->palette.palette[index] =
550 FreeRDPGetColor(gdi->dstFormat, pe->red, pe->green, pe->blue, 0xFF);
551 }
552
553 return TRUE;
554}
555
556static BOOL gdi_set_bounds(rdpContext* context, const rdpBounds* bounds)
557{
558 rdpGdi* gdi = NULL;
559
560 if (!context)
561 return FALSE;
562
563 gdi = context->gdi;
564
565 if (bounds)
566 {
567 gdi_SetClipRgn(gdi->drawing->hdc, bounds->left, bounds->top,
568 bounds->right - bounds->left + 1, bounds->bottom - bounds->top + 1);
569 }
570 else
571 gdi_SetNullClipRgn(gdi->drawing->hdc);
572
573 return TRUE;
574}
575
576static BOOL gdi_dstblt(rdpContext* context, const DSTBLT_ORDER* dstblt)
577{
578 rdpGdi* gdi = NULL;
579
580 if (!context || !dstblt)
581 return FALSE;
582
583 gdi = context->gdi;
584 return gdi_BitBlt(gdi->drawing->hdc, dstblt->nLeftRect, dstblt->nTopRect, dstblt->nWidth,
585 dstblt->nHeight, NULL, 0, 0, gdi_rop3_code_checked(dstblt->bRop),
586 &gdi->palette);
587}
588
589static BOOL gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt)
590{
591 const rdpBrush* brush = &patblt->brush;
592 UINT32 foreColor = 0;
593 UINT32 backColor = 0;
594 UINT32 originalColor = 0;
595 HGDI_BRUSH originalBrush = NULL;
596 HGDI_BRUSH hbrush = NULL;
597 rdpGdi* gdi = context->gdi;
598 BOOL ret = FALSE;
599 const DWORD rop = gdi_rop3_code_checked(patblt->bRop);
600 INT32 nXSrc = 0;
601 INT32 nYSrc = 0;
602 BYTE data[8 * 8 * 4];
603 HGDI_BITMAP hBmp = NULL;
604
605 if (!gdi_decode_color(gdi, patblt->foreColor, &foreColor, NULL))
606 return FALSE;
607
608 if (!gdi_decode_color(gdi, patblt->backColor, &backColor, NULL))
609 return FALSE;
610
611 originalColor = gdi_SetTextColor(gdi->drawing->hdc, foreColor);
612 originalBrush = gdi->drawing->hdc->brush;
613
614 switch (brush->style)
615 {
616 case GDI_BS_SOLID:
617 hbrush = gdi_CreateSolidBrush(foreColor);
618 break;
619
620 case GDI_BS_HATCHED:
621 {
622 const BYTE* hatched = NULL;
623 hatched = GDI_BS_HATCHED_PATTERNS + (8ULL * brush->hatch);
624
625 if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8,
626 hatched, backColor, foreColor, &gdi->palette))
627 goto out_error;
628
629 hBmp = gdi_CreateBitmapEx(8, 8, gdi->drawing->hdc->format, 0, data, NULL);
630
631 if (!hBmp)
632 goto out_error;
633
634 hbrush = gdi_CreateHatchBrush(hBmp);
635 }
636 break;
637
638 case GDI_BS_PATTERN:
639 {
640 UINT32 brushFormat = 0;
641
642 if (brush->bpp > 1)
643 {
644 UINT32 bpp = brush->bpp;
645
646 if ((bpp == 16) &&
647 (freerdp_settings_get_uint32(context->settings, FreeRDP_ColorDepth) == 15))
648 bpp = 15;
649
650 brushFormat = gdi_get_pixel_format(bpp);
651
652 if (!freerdp_image_copy_no_overlap(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8,
653 brush->data, brushFormat, 0, 0, 0, &gdi->palette,
654 FREERDP_FLIP_NONE))
655 goto out_error;
656 }
657 else
658 {
659 if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8,
660 8, brush->data, backColor, foreColor,
661 &gdi->palette))
662 goto out_error;
663 }
664
665 hBmp = gdi_CreateBitmapEx(8, 8, gdi->drawing->hdc->format, 0, data, NULL);
666
667 if (!hBmp)
668 goto out_error;
669
670 hbrush = gdi_CreatePatternBrush(hBmp);
671 }
672 break;
673
674 default:
675 WLog_ERR(TAG, "unimplemented brush style:%" PRIu32 "", brush->style);
676 break;
677 }
678
679 if (hbrush)
680 {
681 hbrush->nXOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->x);
682 hbrush->nYOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->y);
683 gdi->drawing->hdc->brush = hbrush;
684 ret = gdi_BitBlt(gdi->drawing->hdc, patblt->nLeftRect, patblt->nTopRect, patblt->nWidth,
685 patblt->nHeight, gdi->primary->hdc, nXSrc, nYSrc, rop, &gdi->palette);
686 }
687
688out_error:
689 gdi_DeleteObject((HGDIOBJECT)hBmp);
690 gdi_DeleteObject((HGDIOBJECT)hbrush);
691 gdi->drawing->hdc->brush = originalBrush;
692 gdi_SetTextColor(gdi->drawing->hdc, originalColor);
693 return ret;
694}
695
696static BOOL gdi_scrblt(rdpContext* context, const SCRBLT_ORDER* scrblt)
697{
698 rdpGdi* gdi = NULL;
699
700 if (!context || !context->gdi)
701 return FALSE;
702
703 gdi = context->gdi;
704 return gdi_BitBlt(gdi->drawing->hdc, scrblt->nLeftRect, scrblt->nTopRect, scrblt->nWidth,
705 scrblt->nHeight, gdi->primary->hdc, scrblt->nXSrc, scrblt->nYSrc,
706 gdi_rop3_code_checked(scrblt->bRop), &gdi->palette);
707}
708
709static BOOL gdi_opaque_rect(rdpContext* context, const OPAQUE_RECT_ORDER* opaque_rect)
710{
711 GDI_RECT rect;
712 HGDI_BRUSH hBrush = NULL;
713 UINT32 brush_color = 0;
714 rdpGdi* gdi = context->gdi;
715 BOOL ret = 0;
716 INT32 x = opaque_rect->nLeftRect;
717 INT32 y = opaque_rect->nTopRect;
718 INT32 w = opaque_rect->nWidth;
719 INT32 h = opaque_rect->nHeight;
720 gdi_CRgnToRect(x, y, w, h, &rect);
721
722 if (!gdi_decode_color(gdi, opaque_rect->color, &brush_color, NULL))
723 return FALSE;
724
725 if (!(hBrush = gdi_CreateSolidBrush(brush_color)))
726 return FALSE;
727
728 ret = gdi_FillRect(gdi->drawing->hdc, &rect, hBrush);
729 gdi_DeleteObject((HGDIOBJECT)hBrush);
730 return ret;
731}
732
733static BOOL gdi_multi_opaque_rect(rdpContext* context,
734 const MULTI_OPAQUE_RECT_ORDER* multi_opaque_rect)
735{
736 GDI_RECT rect;
737 HGDI_BRUSH hBrush = NULL;
738 UINT32 brush_color = 0;
739 rdpGdi* gdi = context->gdi;
740 BOOL ret = TRUE;
741
742 if (!gdi_decode_color(gdi, multi_opaque_rect->color, &brush_color, NULL))
743 return FALSE;
744
745 hBrush = gdi_CreateSolidBrush(brush_color);
746
747 if (!hBrush)
748 return FALSE;
749
750 for (UINT32 i = 0; i < multi_opaque_rect->numRectangles; i++)
751 {
752 const DELTA_RECT* rectangle = &multi_opaque_rect->rectangles[i];
753 const INT32 x = rectangle->left;
754 const INT32 y = rectangle->top;
755 const INT32 w = rectangle->width;
756 const INT32 h = rectangle->height;
757
758 gdi_CRgnToRect(x, y, w, h, &rect);
759 ret = gdi_FillRect(gdi->drawing->hdc, &rect, hBrush);
760
761 if (!ret)
762 break;
763 }
764
765 gdi_DeleteObject((HGDIOBJECT)hBrush);
766 return ret;
767}
768
769static BOOL gdi_line_to(rdpContext* context, const LINE_TO_ORDER* lineTo)
770{
771 UINT32 color = 0;
772 WINPR_ASSERT(context);
773 WINPR_ASSERT(lineTo);
774
775 rdpGdi* gdi = context->gdi;
776 WINPR_ASSERT(gdi);
777
778 if (!gdi_decode_color(gdi, lineTo->penColor, &color, NULL))
779 return FALSE;
780
781 HGDI_PEN hPen = gdi_CreatePen(lineTo->penStyle, lineTo->penWidth, color,
782 gdi->drawing->hdc->format, &gdi->palette);
783 if (!hPen)
784 return FALSE;
785
786 WINPR_ASSERT(gdi->drawing);
787
788 gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT)hPen);
789 gdi_SetROP2(gdi->drawing->hdc, WINPR_ASSERTING_INT_CAST(int32_t, lineTo->bRop2));
790 gdi_MoveToEx(gdi->drawing->hdc, lineTo->nXStart, lineTo->nYStart, NULL);
791 gdi_LineTo(gdi->drawing->hdc, lineTo->nXEnd, lineTo->nYEnd);
792 gdi_DeleteObject((HGDIOBJECT)hPen);
793 return TRUE;
794}
795
796static BOOL gdi_polyline(rdpContext* context, const POLYLINE_ORDER* polyline)
797{
798 WINPR_ASSERT(context);
799 WINPR_ASSERT(polyline);
800
801 rdpGdi* gdi = context->gdi;
802 WINPR_ASSERT(gdi);
803
804 UINT32 color = 0;
805 if (!gdi_decode_color(gdi, polyline->penColor, &color, NULL))
806 return FALSE;
807
808 WINPR_ASSERT(gdi->drawing);
809 WINPR_ASSERT(gdi->drawing->hdc);
810
811 HGDI_PEN hPen = gdi_CreatePen(GDI_PS_SOLID, 1, color, gdi->drawing->hdc->format, &gdi->palette);
812 if (!hPen)
813 return FALSE;
814
815 gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT)hPen);
816 gdi_SetROP2(gdi->drawing->hdc, WINPR_ASSERTING_INT_CAST(int32_t, polyline->bRop2));
817 INT32 x = polyline->xStart;
818 INT32 y = polyline->yStart;
819 gdi_MoveToEx(gdi->drawing->hdc, x, y, NULL);
820 DELTA_POINT* points = polyline->points;
821
822 for (UINT32 i = 0; i < polyline->numDeltaEntries; i++)
823 {
824 x += points[i].x;
825 y += points[i].y;
826 gdi_LineTo(gdi->drawing->hdc, x, y);
827 gdi_MoveToEx(gdi->drawing->hdc, x, y, NULL);
828 }
829
830 gdi_DeleteObject((HGDIOBJECT)hPen);
831 return TRUE;
832}
833
834static BOOL gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
835{
836 gdiBitmap* bitmap = NULL;
837 rdpGdi* gdi = NULL;
838
839 if (!context || !memblt || !context->gdi || !memblt->bitmap)
840 return FALSE;
841
842 bitmap = (gdiBitmap*)memblt->bitmap;
843 gdi = context->gdi;
844 return gdi_BitBlt(gdi->drawing->hdc, memblt->nLeftRect, memblt->nTopRect, memblt->nWidth,
845 memblt->nHeight, bitmap->hdc, memblt->nXSrc, memblt->nYSrc,
846 gdi_rop3_code_checked(memblt->bRop), &gdi->palette);
847}
848
849static BOOL gdi_mem3blt(rdpContext* context, MEM3BLT_ORDER* mem3blt)
850{
851 HGDI_BRUSH originalBrush = NULL;
852 rdpGdi* gdi = context->gdi;
853 BOOL ret = TRUE;
854 const rdpBrush* brush = &mem3blt->brush;
855 gdiBitmap* bitmap = (gdiBitmap*)mem3blt->bitmap;
856 UINT32 foreColor = 0;
857 UINT32 backColor = 0;
858 UINT32 originalColor = 0;
859
860 if (!gdi_decode_color(gdi, mem3blt->foreColor, &foreColor, NULL))
861 return FALSE;
862
863 if (!gdi_decode_color(gdi, mem3blt->backColor, &backColor, NULL))
864 return FALSE;
865
866 originalColor = gdi_SetTextColor(gdi->drawing->hdc, foreColor);
867
868 switch (brush->style)
869 {
870 case GDI_BS_SOLID:
871 originalBrush = gdi->drawing->hdc->brush;
872 gdi->drawing->hdc->brush = gdi_CreateSolidBrush(foreColor);
873
874 if (!gdi->drawing->hdc->brush)
875 {
876 ret = FALSE;
877 goto out_fail;
878 }
879
880 ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect,
881 mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc, mem3blt->nXSrc,
882 mem3blt->nYSrc, gdi_rop3_code_checked(mem3blt->bRop), &gdi->palette);
883 gdi_DeleteObject((HGDIOBJECT)gdi->drawing->hdc->brush);
884 gdi->drawing->hdc->brush = originalBrush;
885 break;
886
887 case GDI_BS_PATTERN:
888 {
889 HGDI_BITMAP hBmp = NULL;
890 UINT32 brushFormat = 0;
891 BYTE* data = (BYTE*)winpr_aligned_malloc(
892 8ULL * 8ULL * FreeRDPGetBytesPerPixel(gdi->drawing->hdc->format), 16);
893
894 if (!data)
895 {
896 ret = FALSE;
897 goto out_fail;
898 }
899
900 if (brush->bpp > 1)
901 {
902 UINT32 bpp = brush->bpp;
903
904 const UINT32 ColorDepth =
905 freerdp_settings_get_uint32(gdi->context->settings, FreeRDP_ColorDepth);
906 if ((bpp == 16) && (ColorDepth == 15))
907 bpp = 15;
908
909 brushFormat = gdi_get_pixel_format(bpp);
910
911 if (!freerdp_image_copy_no_overlap(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8,
912 brush->data, brushFormat, 0, 0, 0, &gdi->palette,
913 FREERDP_FLIP_NONE))
914 {
915 ret = FALSE;
916 winpr_aligned_free(data);
917 goto out_fail;
918 }
919 }
920 else
921 {
922 if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8,
923 8, brush->data, backColor, foreColor,
924 &gdi->palette))
925 {
926 ret = FALSE;
927 winpr_aligned_free(data);
928 goto out_fail;
929 }
930 }
931
932 hBmp = gdi_CreateBitmap(8, 8, gdi->drawing->hdc->format, data);
933
934 if (!hBmp)
935 {
936 ret = FALSE;
937 winpr_aligned_free(data);
938 goto out_fail;
939 }
940
941 originalBrush = gdi->drawing->hdc->brush;
942 gdi->drawing->hdc->brush = gdi_CreatePatternBrush(hBmp);
943
944 if (!gdi->drawing->hdc->brush)
945 {
946 gdi_DeleteObject((HGDIOBJECT)hBmp);
947 goto out_fail;
948 }
949
950 gdi->drawing->hdc->brush->nXOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->x);
951 gdi->drawing->hdc->brush->nYOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->y);
952 ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect,
953 mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc, mem3blt->nXSrc,
954 mem3blt->nYSrc, gdi_rop3_code_checked(mem3blt->bRop), &gdi->palette);
955 gdi_DeleteObject((HGDIOBJECT)gdi->drawing->hdc->brush);
956 gdi_DeleteObject((HGDIOBJECT)hBmp);
957 gdi->drawing->hdc->brush = originalBrush;
958 }
959 break;
960
961 default:
962 WLog_ERR(TAG, "Mem3Blt unimplemented brush style:%" PRIu32 "", brush->style);
963 break;
964 }
965
966out_fail:
967 gdi_SetTextColor(gdi->drawing->hdc, originalColor);
968 return ret;
969}
970
971static BOOL gdi_polygon_sc(WINPR_ATTR_UNUSED rdpContext* context,
972 WINPR_ATTR_UNUSED const POLYGON_SC_ORDER* polygon_sc)
973{
974 WLog_WARN(TAG, "not implemented");
975 return FALSE;
976}
977
978static BOOL gdi_polygon_cb(WINPR_ATTR_UNUSED rdpContext* context,
979 WINPR_ATTR_UNUSED POLYGON_CB_ORDER* polygon_cb)
980{
981 WLog_WARN(TAG, "not implemented");
982 return FALSE;
983}
984
985static BOOL gdi_ellipse_sc(WINPR_ATTR_UNUSED rdpContext* context,
986 WINPR_ATTR_UNUSED const ELLIPSE_SC_ORDER* ellipse_sc)
987{
988 WLog_WARN(TAG, "not implemented");
989 return FALSE;
990}
991
992static BOOL gdi_ellipse_cb(WINPR_ATTR_UNUSED rdpContext* context,
993 WINPR_ATTR_UNUSED const ELLIPSE_CB_ORDER* ellipse_cb)
994{
995 WLog_WARN(TAG, "not implemented");
996 return FALSE;
997}
998
999static BOOL gdi_frame_marker(WINPR_ATTR_UNUSED rdpContext* context,
1000 WINPR_ATTR_UNUSED const FRAME_MARKER_ORDER* frameMarker)
1001{
1002 return TRUE;
1003}
1004
1005static BOOL gdi_surface_frame_marker(rdpContext* context,
1006 const SURFACE_FRAME_MARKER* surfaceFrameMarker)
1007{
1008 WLog_Print(context->gdi->log, WLOG_DEBUG, "frameId %" PRIu32 " frameAction %" PRIu32 "",
1009 surfaceFrameMarker->frameId, surfaceFrameMarker->frameAction);
1010
1011 switch (surfaceFrameMarker->frameAction)
1012 {
1013 case SURFACECMD_FRAMEACTION_BEGIN:
1014 break;
1015
1016 case SURFACECMD_FRAMEACTION_END:
1017 if (freerdp_settings_get_uint32(context->settings, FreeRDP_FrameAcknowledge) > 0)
1018 {
1019 IFCALL(context->update->SurfaceFrameAcknowledge, context,
1020 surfaceFrameMarker->frameId);
1021 }
1022
1023 break;
1024 default:
1025 break;
1026 }
1027
1028 return TRUE;
1029}
1030
1031static BOOL intersect_rect(const rdpGdi* gdi, const SURFACE_BITS_COMMAND* cmd, RECTANGLE_16* prect)
1032{
1033 const UINT32 w = (const UINT32)gdi->width;
1034 const UINT32 h = (const UINT32)gdi->height;
1035
1036 if (cmd->destLeft > w)
1037 return FALSE;
1038 if (cmd->destRight > w)
1039 return FALSE;
1040 if (cmd->destLeft > cmd->destRight)
1041 return FALSE;
1042 if (cmd->destRight > UINT16_MAX)
1043 return FALSE;
1044
1045 if (cmd->destTop > h)
1046 return FALSE;
1047 if (cmd->destBottom > h)
1048 return FALSE;
1049 if (cmd->destTop > cmd->destBottom)
1050 return FALSE;
1051 if (cmd->destBottom > UINT16_MAX)
1052 return FALSE;
1053
1054 prect->left = (const UINT16)cmd->destLeft;
1055 prect->top = (const UINT16)cmd->destTop;
1056 prect->right = MIN((UINT16)cmd->destRight, prect->left + cmd->bmp.width);
1057 prect->bottom = MIN((UINT16)cmd->destBottom, prect->top + cmd->bmp.height);
1058 return TRUE;
1059}
1060
1061static BOOL gdi_surface_bits(rdpContext* context, const SURFACE_BITS_COMMAND* cmd)
1062{
1063 BOOL result = FALSE;
1064 DWORD format = 0;
1065 rdpGdi* gdi = NULL;
1066 size_t size = 0;
1067 REGION16 region;
1068 RECTANGLE_16 cmdRect = { 0 };
1069
1070 if (!context || !cmd)
1071 return FALSE;
1072
1073 gdi = context->gdi;
1074 WLog_Print(gdi->log, WLOG_DEBUG,
1075 "destLeft %" PRIu32 " destTop %" PRIu32 " destRight %" PRIu32 " destBottom %" PRIu32
1076 " "
1077 "bpp %" PRIu8 " flags %" PRIx8 " codecID %s [0x%04" PRIu16 "] width %" PRIu16
1078 " height %" PRIu16 " length %" PRIu32 "",
1079 cmd->destLeft, cmd->destTop, cmd->destRight, cmd->destBottom, cmd->bmp.bpp,
1080 cmd->bmp.flags, freerdp_codec_id_to_str(cmd->bmp.codecID), cmd->bmp.codecID,
1081 cmd->bmp.width, cmd->bmp.height, cmd->bmp.bitmapDataLength);
1082 region16_init(&region);
1083
1084 if (!intersect_rect(gdi, cmd, &cmdRect))
1085 goto out;
1086
1087 switch (cmd->bmp.codecID)
1088 {
1089 case RDP_CODEC_ID_REMOTEFX:
1090 case RDP_CODEC_ID_IMAGE_REMOTEFX:
1091 if (!rfx_process_message(context->codecs->rfx, cmd->bmp.bitmapData,
1092 cmd->bmp.bitmapDataLength, cmdRect.left, cmdRect.top,
1093 gdi->primary_buffer, gdi->dstFormat, gdi->stride,
1094 WINPR_ASSERTING_INT_CAST(uint32_t, gdi->height), &region))
1095 {
1096 WLog_ERR(TAG, "Failed to process RemoteFX message");
1097 goto out;
1098 }
1099
1100 break;
1101
1102 case RDP_CODEC_ID_NSCODEC:
1103 format = gdi->dstFormat;
1104
1105 if (!nsc_process_message(
1106 context->codecs->nsc, cmd->bmp.bpp, cmd->bmp.width, cmd->bmp.height,
1107 cmd->bmp.bitmapData, cmd->bmp.bitmapDataLength, gdi->primary_buffer, format,
1108 gdi->stride, cmdRect.left, cmdRect.top, cmdRect.right - cmdRect.left,
1109 cmdRect.bottom - cmdRect.top, FREERDP_FLIP_VERTICAL))
1110 {
1111 WLog_ERR(TAG, "Failed to process NSCodec message");
1112 goto out;
1113 }
1114
1115 region16_union_rect(&region, &region, &cmdRect);
1116 break;
1117
1118 case RDP_CODEC_ID_NONE:
1119 format = gdi_get_pixel_format(cmd->bmp.bpp);
1120 size = 1ull * cmd->bmp.width * cmd->bmp.height * FreeRDPGetBytesPerPixel(format);
1121 if (size > cmd->bmp.bitmapDataLength)
1122 {
1123 WLog_ERR(TAG, "Short nocodec message: got %" PRIu32 " bytes, require %" PRIuz,
1124 cmd->bmp.bitmapDataLength, size);
1125 goto out;
1126 }
1127
1128 if (!freerdp_image_copy_no_overlap(
1129 gdi->primary_buffer, gdi->dstFormat, gdi->stride, cmdRect.left, cmdRect.top,
1130 cmdRect.right - cmdRect.left, cmdRect.bottom - cmdRect.top, cmd->bmp.bitmapData,
1131 format, 0, 0, 0, &gdi->palette, FREERDP_FLIP_VERTICAL))
1132 {
1133 WLog_ERR(TAG, "Failed to process nocodec message");
1134 goto out;
1135 }
1136
1137 region16_union_rect(&region, &region, &cmdRect);
1138 break;
1139
1140 default:
1141 WLog_ERR(TAG, "Unsupported codecID %" PRIu32 "", cmd->bmp.codecID);
1142 break;
1143 }
1144
1145 UINT32 nbRects = 0;
1146 const RECTANGLE_16* rects = region16_rects(&region, &nbRects);
1147 if (!rects && (nbRects > 0))
1148 goto out;
1149
1150 if (nbRects == 0)
1151 {
1152 const int32_t w = cmdRect.right - cmdRect.left;
1153 const int32_t h = cmdRect.bottom - cmdRect.top;
1154 if (!gdi_InvalidateRegion(gdi->primary->hdc, cmdRect.left, cmdRect.top, w, h))
1155 goto out;
1156 }
1157 for (UINT32 i = 0; i < nbRects; i++)
1158 {
1159 const RECTANGLE_16* rect = &rects[i];
1160
1161 UINT32 left = rect->left;
1162 UINT32 top = rect->top;
1163 UINT32 width = rect->right - rect->left;
1164 UINT32 height = rect->bottom - rect->top;
1165
1166 if (!gdi_InvalidateRegion(gdi->primary->hdc, WINPR_ASSERTING_INT_CAST(int32_t, left),
1167 WINPR_ASSERTING_INT_CAST(int32_t, top),
1168 WINPR_ASSERTING_INT_CAST(int32_t, width),
1169 WINPR_ASSERTING_INT_CAST(int32_t, height)))
1170 {
1171 WLog_ERR(TAG, "Failed to update invalid region");
1172 goto out;
1173 }
1174 }
1175
1176 result = TRUE;
1177out:
1178 region16_uninit(&region);
1179 return result;
1180}
1181
1187static void gdi_register_update_callbacks(rdpUpdate* update)
1188{
1189 rdpPrimaryUpdate* primary = NULL;
1190 const rdpSettings* settings = NULL;
1191
1192 WINPR_ASSERT(update);
1193 WINPR_ASSERT(update->context);
1194
1195 settings = update->context->settings;
1196 WINPR_ASSERT(settings);
1197
1198 primary = update->primary;
1199 WINPR_ASSERT(primary);
1200
1201 if (freerdp_settings_get_bool(settings, FreeRDP_DeactivateClientDecoding))
1202 return;
1203 update->Palette = gdi_palette_update;
1204 update->SetBounds = gdi_set_bounds;
1205 primary->DstBlt = gdi_dstblt;
1206 primary->PatBlt = gdi_patblt;
1207 primary->ScrBlt = gdi_scrblt;
1208 primary->OpaqueRect = gdi_opaque_rect;
1209 primary->DrawNineGrid = NULL;
1210 primary->MultiDstBlt = NULL;
1211 primary->MultiPatBlt = NULL;
1212 primary->MultiScrBlt = NULL;
1213 primary->MultiOpaqueRect = gdi_multi_opaque_rect;
1214 primary->MultiDrawNineGrid = NULL;
1215 primary->LineTo = gdi_line_to;
1216 primary->Polyline = gdi_polyline;
1217 primary->MemBlt = gdi_memblt;
1218 primary->Mem3Blt = gdi_mem3blt;
1219 primary->SaveBitmap = NULL;
1220 primary->GlyphIndex = NULL;
1221 primary->FastIndex = NULL;
1222 primary->FastGlyph = NULL;
1223 primary->PolygonSC = gdi_polygon_sc;
1224 primary->PolygonCB = gdi_polygon_cb;
1225 primary->EllipseSC = gdi_ellipse_sc;
1226 primary->EllipseCB = gdi_ellipse_cb;
1227 update->SurfaceBits = gdi_surface_bits;
1228 update->SurfaceFrameMarker = gdi_surface_frame_marker;
1229 update->altsec->FrameMarker = gdi_frame_marker;
1230}
1231
1232static BOOL gdi_init_primary(rdpGdi* gdi, UINT32 stride, UINT32 format, BYTE* buffer,
1233 void (*pfree)(void*), BOOL isLocked)
1234{
1235 WINPR_ASSERT(gdi);
1236 WINPR_ASSERT(gdi->context);
1237 WINPR_ASSERT(gdi->context->update);
1238 if (!isLocked)
1239 rdp_update_lock(gdi->context->update);
1240
1241 gdi->primary = (gdiBitmap*)calloc(1, sizeof(gdiBitmap));
1242
1243 if (format > 0)
1244 gdi->dstFormat = format;
1245
1246 if (stride > 0)
1247 gdi->stride = stride;
1248 else
1249 gdi->stride = WINPR_ASSERTING_INT_CAST(uint32_t, gdi->width) *
1250 FreeRDPGetBytesPerPixel(gdi->dstFormat);
1251
1252 if (!gdi->primary)
1253 goto fail_primary;
1254
1255 if (!(gdi->primary->hdc = gdi_CreateCompatibleDC(gdi->hdc)))
1256 goto fail_hdc;
1257
1258 if (!buffer)
1259 {
1260 gdi->primary->bitmap =
1261 gdi_CreateCompatibleBitmap(gdi->hdc, WINPR_ASSERTING_INT_CAST(uint32_t, gdi->width),
1262 WINPR_ASSERTING_INT_CAST(uint32_t, gdi->height));
1263 }
1264 else
1265 {
1266 gdi->primary->bitmap = gdi_CreateBitmapEx(WINPR_ASSERTING_INT_CAST(uint32_t, gdi->width),
1267 WINPR_ASSERTING_INT_CAST(uint32_t, gdi->height),
1268 gdi->dstFormat, gdi->stride, buffer, pfree);
1269 }
1270
1271 if (!gdi->primary->bitmap)
1272 goto fail_bitmap;
1273
1274 gdi->stride = gdi->primary->bitmap->scanline;
1275 gdi_SelectObject(gdi->primary->hdc, (HGDIOBJECT)gdi->primary->bitmap);
1276 gdi->primary->org_bitmap = NULL;
1277 gdi->primary_buffer = gdi->primary->bitmap->data;
1278
1279 if (!(gdi->primary->hdc->hwnd = (HGDI_WND)calloc(1, sizeof(GDI_WND))))
1280 goto fail_hwnd;
1281
1282 if (!(gdi->primary->hdc->hwnd->invalid = gdi_CreateRectRgn(0, 0, 0, 0)))
1283 goto fail_hwnd;
1284
1285 gdi->primary->hdc->hwnd->invalid->null = TRUE;
1286 gdi->primary->hdc->hwnd->count = 32;
1287
1288 if (!(gdi->primary->hdc->hwnd->cinvalid =
1289 (GDI_RGN*)calloc(gdi->primary->hdc->hwnd->count, sizeof(GDI_RGN))))
1290 goto fail_hwnd;
1291
1292 gdi->primary->hdc->hwnd->ninvalid = 0;
1293
1294 if (!gdi->drawing)
1295 gdi->drawing = gdi->primary;
1296
1297 rdp_update_unlock(gdi->context->update);
1298 return TRUE;
1299fail_hwnd:
1300 gdi_DeleteObject((HGDIOBJECT)gdi->primary->bitmap);
1301fail_bitmap:
1302 gdi_DeleteDC(gdi->primary->hdc);
1303fail_hdc:
1304 free(gdi->primary);
1305 gdi->primary = NULL;
1306fail_primary:
1307 rdp_update_unlock(gdi->context->update);
1308 return FALSE;
1309}
1310
1311BOOL gdi_resize(rdpGdi* gdi, UINT32 width, UINT32 height)
1312{
1313 return gdi_resize_ex(gdi, width, height, 0, 0, NULL, NULL);
1314}
1315
1316BOOL gdi_resize_ex(rdpGdi* gdi, UINT32 width, UINT32 height, UINT32 stride, UINT32 format,
1317 BYTE* buffer, void (*pfree)(void*))
1318{
1319 if (!gdi || !gdi->primary)
1320 return FALSE;
1321
1322 if ((width > INT32_MAX) || (height > INT32_MAX))
1323 return FALSE;
1324
1325 if ((gdi->width == (INT32)width) && (gdi->height == (INT32)height) &&
1326 (!buffer || (gdi->primary_buffer == buffer)))
1327 return TRUE;
1328
1329 WINPR_ASSERT(gdi->context);
1330 WINPR_ASSERT(gdi->context->update);
1331
1332 /* EndPaint might not have been called, ensure the update lock is released */
1333 if (!update_end_paint(gdi->context->update))
1334 return FALSE;
1335 rdp_update_lock(gdi->context->update);
1336
1337 if (gdi->drawing == gdi->primary)
1338 gdi->drawing = NULL;
1339
1340 gdi->width = (INT32)width;
1341 gdi->height = (INT32)height;
1342 gdi_bitmap_free_ex(gdi->primary);
1343 gdi->primary = NULL;
1344 gdi->primary_buffer = NULL;
1345 return gdi_init_primary(gdi, stride, format, buffer, pfree, TRUE);
1346}
1347
1355BOOL gdi_init(freerdp* instance, UINT32 format)
1356{
1357 return gdi_init_ex(instance, format, 0, NULL, winpr_aligned_free);
1358}
1359
1371BOOL gdi_init_ex(freerdp* instance, UINT32 format, UINT32 stride, BYTE* buffer,
1372 void (*pfree)(void*))
1373{
1374 rdpContext* context = NULL;
1375 UINT32 SrcFormat = 0;
1376 rdpGdi* gdi = NULL;
1377
1378 WINPR_ASSERT(instance);
1379
1380 context = instance->context;
1381 WINPR_ASSERT(context);
1382 WINPR_ASSERT(context->settings);
1383
1384 const UINT32 ColorDepth = freerdp_settings_get_uint32(context->settings, FreeRDP_ColorDepth);
1385 SrcFormat = gdi_get_pixel_format(ColorDepth);
1386 gdi = (rdpGdi*)calloc(1, sizeof(rdpGdi));
1387
1388 if (!gdi)
1389 goto fail;
1390
1391 context->gdi = gdi;
1392 gdi->log = WLog_Get(TAG);
1393
1394 if (!gdi->log)
1395 goto fail;
1396
1397 gdi->context = context;
1398 gdi->width = WINPR_ASSERTING_INT_CAST(
1399 int32_t, freerdp_settings_get_uint32(context->settings, FreeRDP_DesktopWidth));
1400 gdi->height = WINPR_ASSERTING_INT_CAST(
1401 int32_t, freerdp_settings_get_uint32(context->settings, FreeRDP_DesktopHeight));
1402 gdi->dstFormat = format;
1403 /* default internal buffer format */
1404 WLog_Print(gdi->log, WLOG_INFO, "Local framebuffer format %s",
1405 FreeRDPGetColorFormatName(gdi->dstFormat));
1406 WLog_Print(gdi->log, WLOG_INFO, "Remote framebuffer format %s",
1407 FreeRDPGetColorFormatName(SrcFormat));
1408
1409 if (!(gdi->hdc = gdi_GetDC()))
1410 goto fail;
1411
1412 gdi->hdc->format = gdi->dstFormat;
1413
1414 if (!gdi_init_primary(gdi, stride, gdi->dstFormat, buffer, pfree, FALSE))
1415 goto fail;
1416
1417 if (!(context->cache = cache_new(context)))
1418 goto fail;
1419
1420 gdi_register_update_callbacks(context->update);
1421 brush_cache_register_callbacks(context->update);
1422 glyph_cache_register_callbacks(context->update);
1423 bitmap_cache_register_callbacks(context->update);
1424 offscreen_cache_register_callbacks(context->update);
1425 palette_cache_register_callbacks(context->update);
1426
1427 if (!gdi_register_graphics(context->graphics))
1428 goto fail;
1429
1430 return TRUE;
1431fail:
1432 gdi_free(instance);
1433 WLog_ERR(TAG, "failed to initialize gdi");
1434 return FALSE;
1435}
1436
1437void gdi_free(freerdp* instance)
1438{
1439 rdpGdi* gdi = NULL;
1440 rdpContext* context = NULL;
1441
1442 if (!instance || !instance->context)
1443 return;
1444
1445 gdi = instance->context->gdi;
1446
1447 if (gdi)
1448 {
1449 gdi_bitmap_free_ex(gdi->primary);
1450 gdi_DeleteDC(gdi->hdc);
1451 free(gdi);
1452 }
1453
1454 context = instance->context;
1455 cache_free(context->cache);
1456 context->cache = NULL;
1457 instance->context->gdi = (rdpGdi*)NULL;
1458}
1459
1460BOOL gdi_send_suppress_output(rdpGdi* gdi, BOOL suppress)
1461{
1462 if (!gdi || !gdi->context)
1463 return FALSE;
1464
1465 if (gdi->suppressOutput == suppress)
1466 return TRUE;
1467
1468 gdi->suppressOutput = suppress;
1469
1470 rdpContext* context = gdi->context;
1471 rdpSettings* settings = context->settings;
1472 WINPR_ASSERT(settings);
1473
1474 rdpUpdate* update = context->update;
1475 WINPR_ASSERT(update);
1476
1477 const UINT32 w = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
1478 const UINT32 h = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
1479
1480 const RECTANGLE_16 rect = { .left = 0,
1481 .top = 0,
1482 .right = WINPR_ASSERTING_INT_CAST(UINT16, w),
1483 .bottom = WINPR_ASSERTING_INT_CAST(UINT16, h) };
1484
1485 WINPR_ASSERT(update->SuppressOutput);
1486 return update->SuppressOutput(context, !suppress, &rect);
1487}
freerdp_settings_get_uint32
FREERDP_API UINT32 freerdp_settings_get_uint32(const rdpSettings *settings, FreeRDP_Settings_Keys_UInt32 id)
Returns a UINT32 settings value.
freerdp_settings_get_bool
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