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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 WINPR_CXX_COMPAT_CAST(const void*, context),
492 WINPR_CXX_COMPAT_CAST(const void*, bitmapUpdate),
493 WINPR_CXX_COMPAT_CAST(const void*, context ? context->gdi : NULL),
494 WINPR_CXX_COMPAT_CAST(const void*, context ? context->codecs : NULL));
495 return FALSE;
496 }
497
498 for (UINT32 index = 0; index < bitmapUpdate->number; index++)
499 {
500 BOOL rc = FALSE;
501 const BITMAP_DATA* bitmap = &(bitmapUpdate->rectangles[index]);
502 rdpBitmap* bmp = Bitmap_Alloc(context);
503
504 if (!bmp)
505 goto fail;
506
507 if (!Bitmap_SetDimensions(bmp, WINPR_ASSERTING_INT_CAST(UINT16, bitmap->width),
508 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->height)))
509 goto fail;
510
511 if (!Bitmap_SetRectangle(bmp, WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destLeft),
512 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destTop),
513 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destRight),
514 WINPR_ASSERTING_INT_CAST(UINT16, bitmap->destBottom)))
515 goto fail;
516
517 if (!bmp->Decompress(context, bmp, bitmap->bitmapDataStream, bitmap->width, bitmap->height,
518 bitmap->bitsPerPixel, bitmap->bitmapLength, bitmap->compressed,
519 RDP_CODEC_ID_NONE))
520 goto fail;
521
522 if (!bmp->New(context, bmp))
523 goto fail;
524
525 if (!bmp->Paint(context, bmp))
526 goto fail;
527
528 rc = TRUE;
529 fail:
530 Bitmap_Free(context, bmp);
531 if (!rc)
532 return FALSE;
533 }
534
535 return TRUE;
536}
537
538static BOOL gdi_palette_update(rdpContext* context, const PALETTE_UPDATE* palette)
539{
540 rdpGdi* gdi = NULL;
541
542 if (!context || !palette)
543 return FALSE;
544
545 gdi = context->gdi;
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 rdpGdi* gdi = NULL;
561
562 if (!context)
563 return FALSE;
564
565 gdi = context->gdi;
566
567 if (bounds)
568 {
569 gdi_SetClipRgn(gdi->drawing->hdc, bounds->left, bounds->top,
570 bounds->right - bounds->left + 1, bounds->bottom - bounds->top + 1);
571 }
572 else
573 gdi_SetNullClipRgn(gdi->drawing->hdc);
574
575 return TRUE;
576}
577
578static BOOL gdi_dstblt(rdpContext* context, const DSTBLT_ORDER* dstblt)
579{
580 rdpGdi* gdi = NULL;
581
582 if (!context || !dstblt)
583 return FALSE;
584
585 gdi = context->gdi;
586 return gdi_BitBlt(gdi->drawing->hdc, dstblt->nLeftRect, dstblt->nTopRect, dstblt->nWidth,
587 dstblt->nHeight, NULL, 0, 0, gdi_rop3_code_checked(dstblt->bRop),
588 &gdi->palette);
589}
590
591static BOOL gdi_patblt(rdpContext* context, PATBLT_ORDER* patblt)
592{
593 const rdpBrush* brush = &patblt->brush;
594 UINT32 foreColor = 0;
595 UINT32 backColor = 0;
596 UINT32 originalColor = 0;
597 HGDI_BRUSH originalBrush = NULL;
598 HGDI_BRUSH hbrush = NULL;
599 rdpGdi* gdi = context->gdi;
600 BOOL ret = FALSE;
601 const DWORD rop = gdi_rop3_code_checked(patblt->bRop);
602 INT32 nXSrc = 0;
603 INT32 nYSrc = 0;
604 BYTE data[8 * 8 * 4];
605 HGDI_BITMAP hBmp = NULL;
606
607 if (!gdi_decode_color(gdi, patblt->foreColor, &foreColor, NULL))
608 return FALSE;
609
610 if (!gdi_decode_color(gdi, patblt->backColor, &backColor, NULL))
611 return FALSE;
612
613 originalColor = gdi_SetTextColor(gdi->drawing->hdc, foreColor);
614 originalBrush = gdi->drawing->hdc->brush;
615
616 switch (brush->style)
617 {
618 case GDI_BS_SOLID:
619 hbrush = gdi_CreateSolidBrush(foreColor);
620 break;
621
622 case GDI_BS_HATCHED:
623 {
624 const BYTE* hatched = NULL;
625 hatched = GDI_BS_HATCHED_PATTERNS + (8ULL * brush->hatch);
626
627 if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8,
628 hatched, backColor, foreColor, &gdi->palette))
629 goto out_error;
630
631 hBmp = gdi_CreateBitmapEx(8, 8, gdi->drawing->hdc->format, 0, data, NULL);
632
633 if (!hBmp)
634 goto out_error;
635
636 hbrush = gdi_CreateHatchBrush(hBmp);
637 }
638 break;
639
640 case GDI_BS_PATTERN:
641 {
642 UINT32 brushFormat = 0;
643
644 if (brush->bpp > 1)
645 {
646 UINT32 bpp = brush->bpp;
647
648 if ((bpp == 16) &&
649 (freerdp_settings_get_uint32(context->settings, FreeRDP_ColorDepth) == 15))
650 bpp = 15;
651
652 brushFormat = gdi_get_pixel_format(bpp);
653
654 if (!freerdp_image_copy_no_overlap(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8,
655 brush->data, brushFormat, 0, 0, 0, &gdi->palette,
656 FREERDP_FLIP_NONE))
657 goto out_error;
658 }
659 else
660 {
661 if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8,
662 8, brush->data, backColor, foreColor,
663 &gdi->palette))
664 goto out_error;
665 }
666
667 hBmp = gdi_CreateBitmapEx(8, 8, gdi->drawing->hdc->format, 0, data, NULL);
668
669 if (!hBmp)
670 goto out_error;
671
672 hbrush = gdi_CreatePatternBrush(hBmp);
673 }
674 break;
675
676 default:
677 WLog_ERR(TAG, "unimplemented brush style:%" PRIu32 "", brush->style);
678 break;
679 }
680
681 if (hbrush)
682 {
683 hbrush->nXOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->x);
684 hbrush->nYOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->y);
685 gdi->drawing->hdc->brush = hbrush;
686 ret = gdi_BitBlt(gdi->drawing->hdc, patblt->nLeftRect, patblt->nTopRect, patblt->nWidth,
687 patblt->nHeight, gdi->primary->hdc, nXSrc, nYSrc, rop, &gdi->palette);
688 }
689
690out_error:
691 gdi_DeleteObject((HGDIOBJECT)hBmp);
692 gdi_DeleteObject((HGDIOBJECT)hbrush);
693 gdi->drawing->hdc->brush = originalBrush;
694 gdi_SetTextColor(gdi->drawing->hdc, originalColor);
695 return ret;
696}
697
698static BOOL gdi_scrblt(rdpContext* context, const SCRBLT_ORDER* scrblt)
699{
700 rdpGdi* gdi = NULL;
701
702 if (!context || !context->gdi)
703 return FALSE;
704
705 gdi = context->gdi;
706 return gdi_BitBlt(gdi->drawing->hdc, scrblt->nLeftRect, scrblt->nTopRect, scrblt->nWidth,
707 scrblt->nHeight, gdi->primary->hdc, scrblt->nXSrc, scrblt->nYSrc,
708 gdi_rop3_code_checked(scrblt->bRop), &gdi->palette);
709}
710
711static BOOL gdi_opaque_rect(rdpContext* context, const OPAQUE_RECT_ORDER* opaque_rect)
712{
713 GDI_RECT rect;
714 HGDI_BRUSH hBrush = NULL;
715 UINT32 brush_color = 0;
716 rdpGdi* gdi = context->gdi;
717 BOOL ret = 0;
718 INT32 x = opaque_rect->nLeftRect;
719 INT32 y = opaque_rect->nTopRect;
720 INT32 w = opaque_rect->nWidth;
721 INT32 h = opaque_rect->nHeight;
722 gdi_CRgnToRect(x, y, w, h, &rect);
723
724 if (!gdi_decode_color(gdi, opaque_rect->color, &brush_color, NULL))
725 return FALSE;
726
727 if (!(hBrush = gdi_CreateSolidBrush(brush_color)))
728 return FALSE;
729
730 ret = gdi_FillRect(gdi->drawing->hdc, &rect, hBrush);
731 gdi_DeleteObject((HGDIOBJECT)hBrush);
732 return ret;
733}
734
735static BOOL gdi_multi_opaque_rect(rdpContext* context,
736 const MULTI_OPAQUE_RECT_ORDER* multi_opaque_rect)
737{
738 GDI_RECT rect;
739 HGDI_BRUSH hBrush = NULL;
740 UINT32 brush_color = 0;
741 rdpGdi* gdi = context->gdi;
742 BOOL ret = TRUE;
743
744 if (!gdi_decode_color(gdi, multi_opaque_rect->color, &brush_color, NULL))
745 return FALSE;
746
747 hBrush = gdi_CreateSolidBrush(brush_color);
748
749 if (!hBrush)
750 return FALSE;
751
752 for (UINT32 i = 0; i < multi_opaque_rect->numRectangles; i++)
753 {
754 const DELTA_RECT* rectangle = &multi_opaque_rect->rectangles[i];
755 const INT32 x = rectangle->left;
756 const INT32 y = rectangle->top;
757 const INT32 w = rectangle->width;
758 const INT32 h = rectangle->height;
759
760 gdi_CRgnToRect(x, y, w, h, &rect);
761 ret = gdi_FillRect(gdi->drawing->hdc, &rect, hBrush);
762
763 if (!ret)
764 break;
765 }
766
767 gdi_DeleteObject((HGDIOBJECT)hBrush);
768 return ret;
769}
770
771static BOOL gdi_line_to(rdpContext* context, const LINE_TO_ORDER* lineTo)
772{
773 UINT32 color = 0;
774 WINPR_ASSERT(context);
775 WINPR_ASSERT(lineTo);
776
777 rdpGdi* gdi = context->gdi;
778 WINPR_ASSERT(gdi);
779
780 if (!gdi_decode_color(gdi, lineTo->penColor, &color, NULL))
781 return FALSE;
782
783 HGDI_PEN hPen = gdi_CreatePen(lineTo->penStyle, lineTo->penWidth, color,
784 gdi->drawing->hdc->format, &gdi->palette);
785 if (!hPen)
786 return FALSE;
787
788 WINPR_ASSERT(gdi->drawing);
789
790 gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT)hPen);
791 gdi_SetROP2(gdi->drawing->hdc, WINPR_ASSERTING_INT_CAST(int32_t, lineTo->bRop2));
792 gdi_MoveToEx(gdi->drawing->hdc, lineTo->nXStart, lineTo->nYStart, NULL);
793 gdi_LineTo(gdi->drawing->hdc, lineTo->nXEnd, lineTo->nYEnd);
794 gdi_DeleteObject((HGDIOBJECT)hPen);
795 return TRUE;
796}
797
798static BOOL gdi_polyline(rdpContext* context, const POLYLINE_ORDER* polyline)
799{
800 WINPR_ASSERT(context);
801 WINPR_ASSERT(polyline);
802
803 rdpGdi* gdi = context->gdi;
804 WINPR_ASSERT(gdi);
805
806 UINT32 color = 0;
807 if (!gdi_decode_color(gdi, polyline->penColor, &color, NULL))
808 return FALSE;
809
810 WINPR_ASSERT(gdi->drawing);
811 WINPR_ASSERT(gdi->drawing->hdc);
812
813 HGDI_PEN hPen = gdi_CreatePen(GDI_PS_SOLID, 1, color, gdi->drawing->hdc->format, &gdi->palette);
814 if (!hPen)
815 return FALSE;
816
817 gdi_SelectObject(gdi->drawing->hdc, (HGDIOBJECT)hPen);
818 gdi_SetROP2(gdi->drawing->hdc, WINPR_ASSERTING_INT_CAST(int32_t, polyline->bRop2));
819 INT32 x = polyline->xStart;
820 INT32 y = polyline->yStart;
821 gdi_MoveToEx(gdi->drawing->hdc, x, y, NULL);
822 DELTA_POINT* points = polyline->points;
823
824 for (UINT32 i = 0; i < polyline->numDeltaEntries; i++)
825 {
826 x += points[i].x;
827 y += points[i].y;
828 gdi_LineTo(gdi->drawing->hdc, x, y);
829 gdi_MoveToEx(gdi->drawing->hdc, x, y, NULL);
830 }
831
832 gdi_DeleteObject((HGDIOBJECT)hPen);
833 return TRUE;
834}
835
836static BOOL gdi_memblt(rdpContext* context, MEMBLT_ORDER* memblt)
837{
838 gdiBitmap* bitmap = NULL;
839 rdpGdi* gdi = NULL;
840
841 if (!context || !memblt || !context->gdi || !memblt->bitmap)
842 return FALSE;
843
844 bitmap = (gdiBitmap*)memblt->bitmap;
845 gdi = context->gdi;
846 return gdi_BitBlt(gdi->drawing->hdc, memblt->nLeftRect, memblt->nTopRect, memblt->nWidth,
847 memblt->nHeight, bitmap->hdc, memblt->nXSrc, memblt->nYSrc,
848 gdi_rop3_code_checked(memblt->bRop), &gdi->palette);
849}
850
851static BOOL gdi_mem3blt(rdpContext* context, MEM3BLT_ORDER* mem3blt)
852{
853 HGDI_BRUSH originalBrush = NULL;
854 rdpGdi* gdi = context->gdi;
855 BOOL ret = TRUE;
856 const rdpBrush* brush = &mem3blt->brush;
857 gdiBitmap* bitmap = (gdiBitmap*)mem3blt->bitmap;
858 UINT32 foreColor = 0;
859 UINT32 backColor = 0;
860 UINT32 originalColor = 0;
861
862 if (!gdi_decode_color(gdi, mem3blt->foreColor, &foreColor, NULL))
863 return FALSE;
864
865 if (!gdi_decode_color(gdi, mem3blt->backColor, &backColor, NULL))
866 return FALSE;
867
868 originalColor = gdi_SetTextColor(gdi->drawing->hdc, foreColor);
869
870 switch (brush->style)
871 {
872 case GDI_BS_SOLID:
873 originalBrush = gdi->drawing->hdc->brush;
874 gdi->drawing->hdc->brush = gdi_CreateSolidBrush(foreColor);
875
876 if (!gdi->drawing->hdc->brush)
877 {
878 ret = FALSE;
879 goto out_fail;
880 }
881
882 ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect,
883 mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc, mem3blt->nXSrc,
884 mem3blt->nYSrc, gdi_rop3_code_checked(mem3blt->bRop), &gdi->palette);
885 gdi_DeleteObject((HGDIOBJECT)gdi->drawing->hdc->brush);
886 gdi->drawing->hdc->brush = originalBrush;
887 break;
888
889 case GDI_BS_PATTERN:
890 {
891 HGDI_BITMAP hBmp = NULL;
892 UINT32 brushFormat = 0;
893 BYTE* data = (BYTE*)winpr_aligned_malloc(
894 8ULL * 8ULL * FreeRDPGetBytesPerPixel(gdi->drawing->hdc->format), 16);
895
896 if (!data)
897 {
898 ret = FALSE;
899 goto out_fail;
900 }
901
902 if (brush->bpp > 1)
903 {
904 UINT32 bpp = brush->bpp;
905
906 const UINT32 ColorDepth =
907 freerdp_settings_get_uint32(gdi->context->settings, FreeRDP_ColorDepth);
908 if ((bpp == 16) && (ColorDepth == 15))
909 bpp = 15;
910
911 brushFormat = gdi_get_pixel_format(bpp);
912
913 if (!freerdp_image_copy_no_overlap(data, gdi->drawing->hdc->format, 0, 0, 0, 8, 8,
914 brush->data, brushFormat, 0, 0, 0, &gdi->palette,
915 FREERDP_FLIP_NONE))
916 {
917 ret = FALSE;
918 winpr_aligned_free(data);
919 goto out_fail;
920 }
921 }
922 else
923 {
924 if (!freerdp_image_copy_from_monochrome(data, gdi->drawing->hdc->format, 0, 0, 0, 8,
925 8, brush->data, backColor, foreColor,
926 &gdi->palette))
927 {
928 ret = FALSE;
929 winpr_aligned_free(data);
930 goto out_fail;
931 }
932 }
933
934 hBmp = gdi_CreateBitmap(8, 8, gdi->drawing->hdc->format, data);
935
936 if (!hBmp)
937 {
938 ret = FALSE;
939 winpr_aligned_free(data);
940 goto out_fail;
941 }
942
943 originalBrush = gdi->drawing->hdc->brush;
944 gdi->drawing->hdc->brush = gdi_CreatePatternBrush(hBmp);
945
946 if (!gdi->drawing->hdc->brush)
947 {
948 gdi_DeleteObject((HGDIOBJECT)hBmp);
949 goto out_fail;
950 }
951
952 gdi->drawing->hdc->brush->nXOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->x);
953 gdi->drawing->hdc->brush->nYOrg = WINPR_ASSERTING_INT_CAST(int32_t, brush->y);
954 ret = gdi_BitBlt(gdi->drawing->hdc, mem3blt->nLeftRect, mem3blt->nTopRect,
955 mem3blt->nWidth, mem3blt->nHeight, bitmap->hdc, mem3blt->nXSrc,
956 mem3blt->nYSrc, gdi_rop3_code_checked(mem3blt->bRop), &gdi->palette);
957 gdi_DeleteObject((HGDIOBJECT)gdi->drawing->hdc->brush);
958 gdi_DeleteObject((HGDIOBJECT)hBmp);
959 gdi->drawing->hdc->brush = originalBrush;
960 }
961 break;
962
963 default:
964 WLog_ERR(TAG, "Mem3Blt unimplemented brush style:%" PRIu32 "", brush->style);
965 break;
966 }
967
968out_fail:
969 gdi_SetTextColor(gdi->drawing->hdc, originalColor);
970 return ret;
971}
972
973static BOOL gdi_polygon_sc(WINPR_ATTR_UNUSED rdpContext* context,
974 WINPR_ATTR_UNUSED const POLYGON_SC_ORDER* polygon_sc)
975{
976 WLog_WARN(TAG, "not implemented");
977 return FALSE;
978}
979
980static BOOL gdi_polygon_cb(WINPR_ATTR_UNUSED rdpContext* context,
981 WINPR_ATTR_UNUSED POLYGON_CB_ORDER* polygon_cb)
982{
983 WLog_WARN(TAG, "not implemented");
984 return FALSE;
985}
986
987static BOOL gdi_ellipse_sc(WINPR_ATTR_UNUSED rdpContext* context,
988 WINPR_ATTR_UNUSED const ELLIPSE_SC_ORDER* ellipse_sc)
989{
990 WLog_WARN(TAG, "not implemented");
991 return FALSE;
992}
993
994static BOOL gdi_ellipse_cb(WINPR_ATTR_UNUSED rdpContext* context,
995 WINPR_ATTR_UNUSED const ELLIPSE_CB_ORDER* ellipse_cb)
996{
997 WLog_WARN(TAG, "not implemented");
998 return FALSE;
999}
1000
1001static BOOL gdi_frame_marker(WINPR_ATTR_UNUSED rdpContext* context,
1002 WINPR_ATTR_UNUSED const FRAME_MARKER_ORDER* frameMarker)
1003{
1004 return TRUE;
1005}
1006
1007static BOOL gdi_surface_frame_marker(rdpContext* context,
1008 const SURFACE_FRAME_MARKER* surfaceFrameMarker)
1009{
1010 WLog_Print(context->gdi->log, WLOG_DEBUG, "frameId %" PRIu32 " frameAction %" PRIu32 "",
1011 surfaceFrameMarker->frameId, surfaceFrameMarker->frameAction);
1012
1013 switch (surfaceFrameMarker->frameAction)
1014 {
1015 case SURFACECMD_FRAMEACTION_BEGIN:
1016 break;
1017
1018 case SURFACECMD_FRAMEACTION_END:
1019 if (freerdp_settings_get_uint32(context->settings, FreeRDP_FrameAcknowledge) > 0)
1020 {
1021 IFCALL(context->update->SurfaceFrameAcknowledge, context,
1022 surfaceFrameMarker->frameId);
1023 }
1024
1025 break;
1026 default:
1027 break;
1028 }
1029
1030 return TRUE;
1031}
1032
1033static BOOL intersect_rect(const rdpGdi* gdi, const SURFACE_BITS_COMMAND* cmd, RECTANGLE_16* prect)
1034{
1035 const UINT32 w = (const UINT32)gdi->width;
1036 const UINT32 h = (const UINT32)gdi->height;
1037
1038 if (cmd->destLeft > w)
1039 return FALSE;
1040 if (cmd->destRight > w)
1041 return FALSE;
1042 if (cmd->destLeft > cmd->destRight)
1043 return FALSE;
1044 if (cmd->destRight > UINT16_MAX)
1045 return FALSE;
1046
1047 if (cmd->destTop > h)
1048 return FALSE;
1049 if (cmd->destBottom > h)
1050 return FALSE;
1051 if (cmd->destTop > cmd->destBottom)
1052 return FALSE;
1053 if (cmd->destBottom > UINT16_MAX)
1054 return FALSE;
1055
1056 prect->left = (const UINT16)cmd->destLeft;
1057 prect->top = (const UINT16)cmd->destTop;
1058 prect->right = MIN((UINT16)cmd->destRight, prect->left + cmd->bmp.width);
1059 prect->bottom = MIN((UINT16)cmd->destBottom, prect->top + cmd->bmp.height);
1060 return TRUE;
1061}
1062
1063static BOOL gdi_surface_bits(rdpContext* context, const SURFACE_BITS_COMMAND* cmd)
1064{
1065 BOOL result = FALSE;
1066 DWORD format = 0;
1067 rdpGdi* gdi = NULL;
1068 size_t size = 0;
1069 REGION16 region;
1070 RECTANGLE_16 cmdRect = { 0 };
1071
1072 if (!context || !cmd)
1073 return FALSE;
1074
1075 gdi = context->gdi;
1076 WLog_Print(gdi->log, WLOG_DEBUG,
1077 "destLeft %" PRIu32 " destTop %" PRIu32 " destRight %" PRIu32 " destBottom %" PRIu32
1078 " "
1079 "bpp %" PRIu8 " flags %" PRIx8 " codecID %s [0x%04" PRIu16 "] width %" PRIu16
1080 " height %" PRIu16 " length %" PRIu32 "",
1081 cmd->destLeft, cmd->destTop, cmd->destRight, cmd->destBottom, cmd->bmp.bpp,
1082 cmd->bmp.flags, freerdp_codec_id_to_str(cmd->bmp.codecID), cmd->bmp.codecID,
1083 cmd->bmp.width, cmd->bmp.height, cmd->bmp.bitmapDataLength);
1084 region16_init(&region);
1085
1086 if (!intersect_rect(gdi, cmd, &cmdRect))
1087 goto out;
1088
1089 switch (cmd->bmp.codecID)
1090 {
1091 case RDP_CODEC_ID_REMOTEFX:
1092 case RDP_CODEC_ID_IMAGE_REMOTEFX:
1093 if (!rfx_process_message(context->codecs->rfx, cmd->bmp.bitmapData,
1094 cmd->bmp.bitmapDataLength, cmdRect.left, cmdRect.top,
1095 gdi->primary_buffer, gdi->dstFormat, gdi->stride,
1096 WINPR_ASSERTING_INT_CAST(uint32_t, gdi->height), &region))
1097 {
1098 WLog_ERR(TAG, "Failed to process RemoteFX message");
1099 goto out;
1100 }
1101
1102 break;
1103
1104 case RDP_CODEC_ID_NSCODEC:
1105 format = gdi->dstFormat;
1106
1107 if (!nsc_process_message(
1108 context->codecs->nsc, cmd->bmp.bpp, cmd->bmp.width, cmd->bmp.height,
1109 cmd->bmp.bitmapData, cmd->bmp.bitmapDataLength, gdi->primary_buffer, format,
1110 gdi->stride, cmdRect.left, cmdRect.top, cmdRect.right - cmdRect.left,
1111 cmdRect.bottom - cmdRect.top, FREERDP_FLIP_VERTICAL))
1112 {
1113 WLog_ERR(TAG, "Failed to process NSCodec message");
1114 goto out;
1115 }
1116
1117 region16_union_rect(&region, &region, &cmdRect);
1118 break;
1119
1120 case RDP_CODEC_ID_NONE:
1121 format = gdi_get_pixel_format(cmd->bmp.bpp);
1122 size = 1ull * cmd->bmp.width * cmd->bmp.height * FreeRDPGetBytesPerPixel(format);
1123 if (size > cmd->bmp.bitmapDataLength)
1124 {
1125 WLog_ERR(TAG, "Short nocodec message: got %" PRIu32 " bytes, require %" PRIuz,
1126 cmd->bmp.bitmapDataLength, size);
1127 goto out;
1128 }
1129
1130 if (!freerdp_image_copy_no_overlap(
1131 gdi->primary_buffer, gdi->dstFormat, gdi->stride, cmdRect.left, cmdRect.top,
1132 cmdRect.right - cmdRect.left, cmdRect.bottom - cmdRect.top, cmd->bmp.bitmapData,
1133 format, 0, 0, 0, &gdi->palette, FREERDP_FLIP_VERTICAL))
1134 {
1135 WLog_ERR(TAG, "Failed to process nocodec message");
1136 goto out;
1137 }
1138
1139 region16_union_rect(&region, &region, &cmdRect);
1140 break;
1141
1142 default:
1143 WLog_ERR(TAG, "Unsupported codecID %" PRIu32 "", cmd->bmp.codecID);
1144 break;
1145 }
1146
1147 {
1148 UINT32 nbRects = 0;
1149 const RECTANGLE_16* rects = region16_rects(&region, &nbRects);
1150 if (!rects && (nbRects > 0))
1151 goto out;
1152
1153 if (nbRects == 0)
1154 {
1155 const int32_t w = cmdRect.right - cmdRect.left;
1156 const int32_t h = cmdRect.bottom - cmdRect.top;
1157 if (!gdi_InvalidateRegion(gdi->primary->hdc, cmdRect.left, cmdRect.top, w, h))
1158 goto out;
1159 }
1160 for (UINT32 i = 0; i < nbRects; i++)
1161 {
1162 const RECTANGLE_16* rect = &rects[i];
1163
1164 UINT32 left = rect->left;
1165 UINT32 top = rect->top;
1166 UINT32 width = rect->right - rect->left;
1167 UINT32 height = rect->bottom - rect->top;
1168
1169 if (!gdi_InvalidateRegion(gdi->primary->hdc, WINPR_ASSERTING_INT_CAST(int32_t, left),
1170 WINPR_ASSERTING_INT_CAST(int32_t, top),
1171 WINPR_ASSERTING_INT_CAST(int32_t, width),
1172 WINPR_ASSERTING_INT_CAST(int32_t, height)))
1173 {
1174 WLog_ERR(TAG, "Failed to update invalid region");
1175 goto out;
1176 }
1177 }
1178 }
1179 result = TRUE;
1180out:
1181 region16_uninit(&region);
1182 return result;
1183}
1184
1190static void gdi_register_update_callbacks(rdpUpdate* update)
1191{
1192 rdpPrimaryUpdate* primary = NULL;
1193 const rdpSettings* settings = NULL;
1194
1195 WINPR_ASSERT(update);
1196 WINPR_ASSERT(update->context);
1197
1198 settings = update->context->settings;
1199 WINPR_ASSERT(settings);
1200
1201 primary = update->primary;
1202 WINPR_ASSERT(primary);
1203
1204 if (freerdp_settings_get_bool(settings, FreeRDP_DeactivateClientDecoding))
1205 return;
1206 update->Palette = gdi_palette_update;
1207 update->SetBounds = gdi_set_bounds;
1208 primary->DstBlt = gdi_dstblt;
1209 primary->PatBlt = gdi_patblt;
1210 primary->ScrBlt = gdi_scrblt;
1211 primary->OpaqueRect = gdi_opaque_rect;
1212 primary->DrawNineGrid = NULL;
1213 primary->MultiDstBlt = NULL;
1214 primary->MultiPatBlt = NULL;
1215 primary->MultiScrBlt = NULL;
1216 primary->MultiOpaqueRect = gdi_multi_opaque_rect;
1217 primary->MultiDrawNineGrid = NULL;
1218 primary->LineTo = gdi_line_to;
1219 primary->Polyline = gdi_polyline;
1220 primary->MemBlt = gdi_memblt;
1221 primary->Mem3Blt = gdi_mem3blt;
1222 primary->SaveBitmap = NULL;
1223 primary->GlyphIndex = NULL;
1224 primary->FastIndex = NULL;
1225 primary->FastGlyph = NULL;
1226 primary->PolygonSC = gdi_polygon_sc;
1227 primary->PolygonCB = gdi_polygon_cb;
1228 primary->EllipseSC = gdi_ellipse_sc;
1229 primary->EllipseCB = gdi_ellipse_cb;
1230 update->SurfaceBits = gdi_surface_bits;
1231 update->SurfaceFrameMarker = gdi_surface_frame_marker;
1232 update->altsec->FrameMarker = gdi_frame_marker;
1233}
1234
1235static BOOL gdi_init_primary(rdpGdi* gdi, UINT32 stride, UINT32 format, BYTE* buffer,
1236 void (*pfree)(void*), BOOL isLocked)
1237{
1238 WINPR_ASSERT(gdi);
1239 WINPR_ASSERT(gdi->context);
1240 WINPR_ASSERT(gdi->context->update);
1241 if (!isLocked)
1242 rdp_update_lock(gdi->context->update);
1243
1244 gdi->primary = (gdiBitmap*)calloc(1, sizeof(gdiBitmap));
1245
1246 if (format > 0)
1247 gdi->dstFormat = format;
1248
1249 if (stride > 0)
1250 gdi->stride = stride;
1251 else
1252 gdi->stride = WINPR_ASSERTING_INT_CAST(uint32_t, gdi->width) *
1253 FreeRDPGetBytesPerPixel(gdi->dstFormat);
1254
1255 if (!gdi->primary)
1256 goto fail_primary;
1257
1258 if (!(gdi->primary->hdc = gdi_CreateCompatibleDC(gdi->hdc)))
1259 goto fail_hdc;
1260
1261 if (!buffer)
1262 {
1263 gdi->primary->bitmap =
1264 gdi_CreateCompatibleBitmap(gdi->hdc, WINPR_ASSERTING_INT_CAST(uint32_t, gdi->width),
1265 WINPR_ASSERTING_INT_CAST(uint32_t, gdi->height));
1266 }
1267 else
1268 {
1269 gdi->primary->bitmap = gdi_CreateBitmapEx(WINPR_ASSERTING_INT_CAST(uint32_t, gdi->width),
1270 WINPR_ASSERTING_INT_CAST(uint32_t, gdi->height),
1271 gdi->dstFormat, gdi->stride, buffer, pfree);
1272 }
1273
1274 if (!gdi->primary->bitmap)
1275 goto fail_bitmap;
1276
1277 gdi->stride = gdi->primary->bitmap->scanline;
1278 gdi_SelectObject(gdi->primary->hdc, (HGDIOBJECT)gdi->primary->bitmap);
1279 gdi->primary->org_bitmap = NULL;
1280 gdi->primary_buffer = gdi->primary->bitmap->data;
1281
1282 if (!(gdi->primary->hdc->hwnd = (HGDI_WND)calloc(1, sizeof(GDI_WND))))
1283 goto fail_hwnd;
1284
1285 if (!(gdi->primary->hdc->hwnd->invalid = gdi_CreateRectRgn(0, 0, 0, 0)))
1286 goto fail_hwnd;
1287
1288 gdi->primary->hdc->hwnd->invalid->null = TRUE;
1289 gdi->primary->hdc->hwnd->count = 32;
1290
1291 if (!(gdi->primary->hdc->hwnd->cinvalid =
1292 (GDI_RGN*)calloc(gdi->primary->hdc->hwnd->count, sizeof(GDI_RGN))))
1293 goto fail_hwnd;
1294
1295 gdi->primary->hdc->hwnd->ninvalid = 0;
1296
1297 if (!gdi->drawing)
1298 gdi->drawing = gdi->primary;
1299
1300 rdp_update_unlock(gdi->context->update);
1301 return TRUE;
1302fail_hwnd:
1303 gdi_DeleteObject((HGDIOBJECT)gdi->primary->bitmap);
1304fail_bitmap:
1305 gdi_DeleteDC(gdi->primary->hdc);
1306fail_hdc:
1307 free(gdi->primary);
1308 gdi->primary = NULL;
1309fail_primary:
1310 rdp_update_unlock(gdi->context->update);
1311 return FALSE;
1312}
1313
1314BOOL gdi_resize(rdpGdi* gdi, UINT32 width, UINT32 height)
1315{
1316 return gdi_resize_ex(gdi, width, height, 0, 0, NULL, NULL);
1317}
1318
1319BOOL gdi_resize_ex(rdpGdi* gdi, UINT32 width, UINT32 height, UINT32 stride, UINT32 format,
1320 BYTE* buffer, void (*pfree)(void*))
1321{
1322 if (!gdi || !gdi->primary)
1323 return FALSE;
1324
1325 if ((width > INT32_MAX) || (height > INT32_MAX))
1326 return FALSE;
1327
1328 if ((gdi->width == (INT32)width) && (gdi->height == (INT32)height) &&
1329 (!buffer || (gdi->primary_buffer == buffer)))
1330 return TRUE;
1331
1332 WINPR_ASSERT(gdi->context);
1333 WINPR_ASSERT(gdi->context->update);
1334
1335 /* EndPaint might not have been called, ensure the update lock is released */
1336 if (!update_end_paint(gdi->context->update))
1337 return FALSE;
1338 rdp_update_lock(gdi->context->update);
1339
1340 if (gdi->drawing == gdi->primary)
1341 gdi->drawing = NULL;
1342
1343 gdi->width = (INT32)width;
1344 gdi->height = (INT32)height;
1345 gdi_bitmap_free_ex(gdi->primary);
1346 gdi->primary = NULL;
1347 gdi->primary_buffer = NULL;
1348 return gdi_init_primary(gdi, stride, format, buffer, pfree, TRUE);
1349}
1350
1358BOOL gdi_init(freerdp* instance, UINT32 format)
1359{
1360 return gdi_init_ex(instance, format, 0, NULL, winpr_aligned_free);
1361}
1362
1374BOOL gdi_init_ex(freerdp* instance, UINT32 format, UINT32 stride, BYTE* buffer,
1375 void (*pfree)(void*))
1376{
1377 rdpContext* context = NULL;
1378 UINT32 SrcFormat = 0;
1379 rdpGdi* gdi = NULL;
1380
1381 WINPR_ASSERT(instance);
1382
1383 context = instance->context;
1384 WINPR_ASSERT(context);
1385 WINPR_ASSERT(context->settings);
1386
1387 const UINT32 ColorDepth = freerdp_settings_get_uint32(context->settings, FreeRDP_ColorDepth);
1388 SrcFormat = gdi_get_pixel_format(ColorDepth);
1389 gdi = (rdpGdi*)calloc(1, sizeof(rdpGdi));
1390
1391 if (!gdi)
1392 goto fail;
1393
1394 context->gdi = gdi;
1395 gdi->log = WLog_Get(TAG);
1396
1397 if (!gdi->log)
1398 goto fail;
1399
1400 gdi->context = context;
1401 gdi->width = WINPR_ASSERTING_INT_CAST(
1402 int32_t, freerdp_settings_get_uint32(context->settings, FreeRDP_DesktopWidth));
1403 gdi->height = WINPR_ASSERTING_INT_CAST(
1404 int32_t, freerdp_settings_get_uint32(context->settings, FreeRDP_DesktopHeight));
1405 gdi->dstFormat = format;
1406 /* default internal buffer format */
1407 WLog_Print(gdi->log, WLOG_INFO, "Local framebuffer format %s",
1408 FreeRDPGetColorFormatName(gdi->dstFormat));
1409 WLog_Print(gdi->log, WLOG_INFO, "Remote framebuffer format %s",
1410 FreeRDPGetColorFormatName(SrcFormat));
1411
1412 if (!(gdi->hdc = gdi_GetDC()))
1413 goto fail;
1414
1415 gdi->hdc->format = gdi->dstFormat;
1416
1417 if (!gdi_init_primary(gdi, stride, gdi->dstFormat, buffer, pfree, FALSE))
1418 goto fail;
1419
1420 if (!(context->cache = cache_new(context)))
1421 goto fail;
1422
1423 gdi_register_update_callbacks(context->update);
1424 brush_cache_register_callbacks(context->update);
1425 glyph_cache_register_callbacks(context->update);
1426 bitmap_cache_register_callbacks(context->update);
1427 offscreen_cache_register_callbacks(context->update);
1428 palette_cache_register_callbacks(context->update);
1429
1430 if (!gdi_register_graphics(context->graphics))
1431 goto fail;
1432
1433 return TRUE;
1434fail:
1435 gdi_free(instance);
1436 WLog_ERR(TAG, "failed to initialize gdi");
1437 return FALSE;
1438}
1439
1440void gdi_free(freerdp* instance)
1441{
1442 rdpGdi* gdi = NULL;
1443 rdpContext* context = NULL;
1444
1445 if (!instance || !instance->context)
1446 return;
1447
1448 gdi = instance->context->gdi;
1449
1450 if (gdi)
1451 {
1452 gdi_bitmap_free_ex(gdi->primary);
1453 gdi_DeleteDC(gdi->hdc);
1454 free(gdi);
1455 }
1456
1457 context = instance->context;
1458 cache_free(context->cache);
1459 context->cache = NULL;
1460 instance->context->gdi = (rdpGdi*)NULL;
1461}
1462
1463BOOL gdi_send_suppress_output(rdpGdi* gdi, BOOL suppress)
1464{
1465 if (!gdi || !gdi->context)
1466 return FALSE;
1467
1468 if (gdi->suppressOutput == suppress)
1469 return TRUE;
1470
1471 gdi->suppressOutput = suppress;
1472
1473 rdpContext* context = gdi->context;
1474 rdpSettings* settings = context->settings;
1475 WINPR_ASSERT(settings);
1476
1477 rdpUpdate* update = context->update;
1478 WINPR_ASSERT(update);
1479
1480 const UINT32 w = freerdp_settings_get_uint32(settings, FreeRDP_DesktopWidth);
1481 const UINT32 h = freerdp_settings_get_uint32(settings, FreeRDP_DesktopHeight);
1482
1483 const RECTANGLE_16 rect = { .left = 0,
1484 .top = 0,
1485 .right = WINPR_ASSERTING_INT_CAST(UINT16, w),
1486 .bottom = WINPR_ASSERTING_INT_CAST(UINT16, h) };
1487
1488 WINPR_ASSERT(update->SuppressOutput);
1489 return update->SuppressOutput(context, !suppress, &rect);
1490}
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