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Side by Side Diff: core/fxge/win32/fx_ge_ps.cpp

Issue 2615703002: Revert postscript code removal. (Closed)
Patch Set: Fix Compile Errors Created 3 years, 11 months ago
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1 // Copyright 2014 PDFium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
6
7 #include "core/fxge/win32/fx_ge_ps.h"
8
dsinclair 2017/01/05 17:13:43 Rename this file as well.
rbpotter 2017/01/05 22:58:18 Done.
9 #include <memory>
10
11 #include "core/fxcodec/fx_codec.h"
12 #include "core/fxcrt/cfx_maybe_owned.h"
13 #include "core/fxge/cfx_facecache.h"
14 #include "core/fxge/cfx_fontcache.h"
15 #include "core/fxge/cfx_pathdata.h"
16 #include "core/fxge/cfx_renderdevice.h"
17 #include "core/fxge/ge/fx_text_int.h"
18
19 struct PSGlyph {
20 CFX_Font* m_pFont;
21 uint32_t m_GlyphIndex;
22 bool m_bGlyphAdjust;
23 FX_FLOAT m_AdjustMatrix[4];
24 };
25
26 class CPSFont {
27 public:
28 PSGlyph m_Glyphs[256];
29 int m_nGlyphs;
30 };
31
32 CFX_PSRenderer::CFX_PSRenderer() {
33 m_pOutput = nullptr;
34 m_bColorSet = m_bGraphStateSet = false;
35 m_bInited = false;
36 }
37
38 CFX_PSRenderer::~CFX_PSRenderer() {
39 for (int i = 0; i < (int)m_PSFontList.GetSize(); i++) {
40 CPSFont* pFont = m_PSFontList[i];
41 delete pFont;
42 }
43 }
44
45 #define OUTPUT_PS(str) m_pOutput->OutputPS(str, sizeof str - 1)
46
47 void CFX_PSRenderer::Init(IFX_PSOutput* pOutput,
48 int pslevel,
49 int width,
50 int height,
51 bool bCmykOutput) {
52 m_PSLevel = pslevel;
53 m_pOutput = pOutput;
54 m_ClipBox.left = m_ClipBox.top = 0;
55 m_ClipBox.right = width;
56 m_ClipBox.bottom = height;
57 m_bCmykOutput = bCmykOutput;
58 }
59
60 bool CFX_PSRenderer::StartRendering() {
61 if (m_bInited) {
62 return true;
63 }
64 static const char init_str[] =
65 "\nsave\n/im/initmatrix load def\n"
66 "/n/newpath load def/m/moveto load def/l/lineto load def/c/curveto load "
67 "def/h/closepath load def\n"
68 "/f/fill load def/F/eofill load def/s/stroke load def/W/clip load "
69 "def/W*/eoclip load def\n"
70 "/rg/setrgbcolor load def/k/setcmykcolor load def\n"
71 "/J/setlinecap load def/j/setlinejoin load def/w/setlinewidth load "
72 "def/M/setmiterlimit load def/d/setdash load def\n"
73 "/q/gsave load def/Q/grestore load def/iM/imagemask load def\n"
74 "/Tj/show load def/Ff/findfont load def/Fs/scalefont load def/Sf/setfont "
75 "load def\n"
76 "/cm/concat load def/Cm/currentmatrix load def/mx/matrix load "
77 "def/sm/setmatrix load def\n";
78 OUTPUT_PS(init_str);
79 m_bInited = true;
80 return true;
81 }
82
83 void CFX_PSRenderer::EndRendering() {
84 if (m_bInited) {
85 OUTPUT_PS("\nrestore\n");
86 }
87 m_bInited = false;
88 }
89
90 void CFX_PSRenderer::SaveState() {
91 StartRendering();
92 OUTPUT_PS("q\n");
93 m_ClipBoxStack.Add(m_ClipBox);
94 }
95
96 void CFX_PSRenderer::RestoreState(bool bKeepSaved) {
97 StartRendering();
98 if (bKeepSaved) {
99 OUTPUT_PS("Q\nq\n");
100 } else {
101 OUTPUT_PS("Q\n");
102 }
103 m_bColorSet = false;
104 m_bGraphStateSet = false;
105 int size = m_ClipBoxStack.GetSize();
106 if (!size)
107 return;
108
109 m_ClipBox = m_ClipBoxStack.GetAt(size - 1);
110 if (!bKeepSaved)
111 m_ClipBoxStack.RemoveAt(size - 1);
112 }
113
114 void CFX_PSRenderer::OutputPath(const CFX_PathData* pPathData,
115 const CFX_Matrix* pObject2Device) {
116 int nPoints = pPathData->GetPointCount();
117 CFX_ByteTextBuf buf;
118 buf.EstimateSize(nPoints * 10);
119 for (int i = 0; i < nPoints; i++) {
120 uint8_t flag = pPathData->GetFlag(i);
121 FX_FLOAT x = pPathData->GetPointX(i);
122 FX_FLOAT y = pPathData->GetPointY(i);
123 if (pObject2Device) {
124 pObject2Device->Transform(x, y);
125 }
126 buf << x << " " << y;
127 switch (flag & FXPT_TYPE) {
128 case FXPT_MOVETO:
129 buf << " m ";
130 break;
131 case FXPT_LINETO:
132 if (flag & FXPT_CLOSEFIGURE) {
133 buf << " l h ";
134 } else {
135 buf << " l ";
136 }
137 break;
138 case FXPT_BEZIERTO: {
139 FX_FLOAT x1 = pPathData->GetPointX(i + 1);
140 FX_FLOAT x2 = pPathData->GetPointX(i + 2);
141 FX_FLOAT y1 = pPathData->GetPointY(i + 1);
142 FX_FLOAT y2 = pPathData->GetPointY(i + 2);
143 if (pObject2Device) {
144 pObject2Device->Transform(x1, y1);
145 pObject2Device->Transform(x2, y2);
146 }
147 buf << " " << x1 << " " << y1 << " " << x2 << " " << y2;
148 if (flag & FXPT_CLOSEFIGURE) {
149 buf << " c h\n";
150 } else {
151 buf << " c\n";
152 }
153 i += 2;
154 break;
155 }
156 }
157 }
158 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
159 }
160
161 void CFX_PSRenderer::SetClip_PathFill(const CFX_PathData* pPathData,
162 const CFX_Matrix* pObject2Device,
163 int fill_mode) {
164 StartRendering();
165 OutputPath(pPathData, pObject2Device);
166 CFX_FloatRect rect = pPathData->GetBoundingBox();
167 if (pObject2Device) {
168 rect.Transform(pObject2Device);
169 }
170 m_ClipBox.Intersect(rect.GetOuterRect());
171 if ((fill_mode & 3) == FXFILL_WINDING) {
172 OUTPUT_PS("W n\n");
173 } else {
174 OUTPUT_PS("W* n\n");
175 }
176 }
177
178 void CFX_PSRenderer::SetClip_PathStroke(const CFX_PathData* pPathData,
179 const CFX_Matrix* pObject2Device,
180 const CFX_GraphStateData* pGraphState) {
181 StartRendering();
182 SetGraphState(pGraphState);
183 if (pObject2Device) {
184 CFX_ByteTextBuf buf;
185 buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
186 << pObject2Device->c << " " << pObject2Device->d << " "
187 << pObject2Device->e << " " << pObject2Device->f << "]cm ";
188 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
189 }
190 OutputPath(pPathData, nullptr);
191 CFX_FloatRect rect = pPathData->GetBoundingBox(pGraphState->m_LineWidth,
192 pGraphState->m_MiterLimit);
193 rect.Transform(pObject2Device);
194 m_ClipBox.Intersect(rect.GetOuterRect());
195 if (pObject2Device) {
196 OUTPUT_PS("strokepath W n sm\n");
197 } else {
198 OUTPUT_PS("strokepath W n\n");
199 }
200 }
201
202 bool CFX_PSRenderer::DrawPath(const CFX_PathData* pPathData,
203 const CFX_Matrix* pObject2Device,
204 const CFX_GraphStateData* pGraphState,
205 uint32_t fill_color,
206 uint32_t stroke_color,
207 int fill_mode) {
208 StartRendering();
209 int fill_alpha = FXARGB_A(fill_color);
210 int stroke_alpha = FXARGB_A(stroke_color);
211 if (fill_alpha && fill_alpha < 255) {
212 return false;
213 }
214 if (stroke_alpha && stroke_alpha < 255) {
215 return false;
216 }
217 if (fill_alpha == 0 && stroke_alpha == 0) {
218 return false;
219 }
220 if (stroke_alpha) {
221 SetGraphState(pGraphState);
222 if (pObject2Device) {
223 CFX_ByteTextBuf buf;
224 buf << "mx Cm [" << pObject2Device->a << " " << pObject2Device->b << " "
225 << pObject2Device->c << " " << pObject2Device->d << " "
226 << pObject2Device->e << " " << pObject2Device->f << "]cm ";
227 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
228 }
229 }
230 OutputPath(pPathData, stroke_alpha ? nullptr : pObject2Device);
231 if (fill_mode && fill_alpha) {
232 SetColor(fill_color);
233 if ((fill_mode & 3) == FXFILL_WINDING) {
234 if (stroke_alpha) {
235 OUTPUT_PS("q f Q ");
236 } else {
237 OUTPUT_PS("f");
238 }
239 } else if ((fill_mode & 3) == FXFILL_ALTERNATE) {
240 if (stroke_alpha) {
241 OUTPUT_PS("q F Q ");
242 } else {
243 OUTPUT_PS("F");
244 }
245 }
246 }
247 if (stroke_alpha) {
248 SetColor(stroke_color);
249 if (pObject2Device) {
250 OUTPUT_PS("s sm");
251 } else {
252 OUTPUT_PS("s");
253 }
254 }
255 OUTPUT_PS("\n");
256 return true;
257 }
258
259 void CFX_PSRenderer::SetGraphState(const CFX_GraphStateData* pGraphState) {
260 CFX_ByteTextBuf buf;
261 if (!m_bGraphStateSet ||
262 m_CurGraphState.m_LineCap != pGraphState->m_LineCap) {
263 buf << pGraphState->m_LineCap << " J\n";
264 }
265 if (!m_bGraphStateSet ||
266 m_CurGraphState.m_DashCount != pGraphState->m_DashCount ||
267 FXSYS_memcmp(m_CurGraphState.m_DashArray, pGraphState->m_DashArray,
268 sizeof(FX_FLOAT) * m_CurGraphState.m_DashCount)) {
269 buf << "[";
270 for (int i = 0; i < pGraphState->m_DashCount; i++) {
271 buf << pGraphState->m_DashArray[i] << " ";
272 }
273 buf << "]" << pGraphState->m_DashPhase << " d\n";
274 }
275 if (!m_bGraphStateSet ||
276 m_CurGraphState.m_LineJoin != pGraphState->m_LineJoin) {
277 buf << pGraphState->m_LineJoin << " j\n";
278 }
279 if (!m_bGraphStateSet ||
280 m_CurGraphState.m_LineWidth != pGraphState->m_LineWidth) {
281 buf << pGraphState->m_LineWidth << " w\n";
282 }
283 if (!m_bGraphStateSet ||
284 m_CurGraphState.m_MiterLimit != pGraphState->m_MiterLimit) {
285 buf << pGraphState->m_MiterLimit << " M\n";
286 }
287 m_CurGraphState.Copy(*pGraphState);
288 m_bGraphStateSet = TRUE;
289 if (buf.GetSize()) {
290 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
291 }
292 }
293
294 static void FaxCompressData(uint8_t* src_buf,
295 int width,
296 int height,
297 std::unique_ptr<uint8_t, FxFreeDeleter>& dest_buf,
298 uint32_t& dest_size) {
299 if (width * height > 128) {
300 CCodec_FaxModule::FaxEncode(src_buf, width, height, (width + 7) / 8,
301 dest_buf, dest_size);
302 FX_Free(src_buf);
303 } else {
304 dest_buf.reset(src_buf);
305 dest_size = (width + 7) / 8 * height;
306 }
307 }
308
309 static void PSCompressData(int PSLevel,
310 uint8_t* src_buf,
311 uint32_t src_size,
312 uint8_t*& output_buf,
313 uint32_t& output_size,
314 const FX_CHAR*& filter) {
315 output_buf = src_buf;
316 output_size = src_size;
317 filter = "";
318 if (src_size < 1024) {
319 return;
320 }
321 CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
322 uint8_t* dest_buf = NULL;
323 uint32_t dest_size = src_size;
324 if (PSLevel >= 3) {
325 if (pEncoders &&
326 pEncoders->GetFlateModule()->Encode(src_buf, src_size, &dest_buf,
327 &dest_size)) {
328 filter = "/FlateDecode filter ";
329 }
330 } else {
331 if (pEncoders &&
332 pEncoders->GetBasicModule()->RunLengthEncode(src_buf, src_size,
333 dest_buf, dest_size)) {
334 filter = "/RunLengthDecode filter ";
335 }
336 }
337 if (dest_size < src_size) {
338 output_buf = dest_buf;
339 output_size = dest_size;
340 } else {
341 filter = NULL;
342 FX_Free(dest_buf);
343 }
344 }
345
346 bool CFX_PSRenderer::SetDIBits(const CFX_DIBSource* pSource,
347 uint32_t color,
348 int left,
349 int top) {
350 StartRendering();
351 CFX_Matrix matrix((FX_FLOAT)(pSource->GetWidth()), 0.0f, 0.0f,
352 -(FX_FLOAT)(pSource->GetHeight()), (FX_FLOAT)(left),
353 (FX_FLOAT)(top + pSource->GetHeight()));
354 return DrawDIBits(pSource, color, &matrix, 0);
355 }
356
357 bool CFX_PSRenderer::StretchDIBits(const CFX_DIBSource* pSource,
358 uint32_t color,
359 int dest_left,
360 int dest_top,
361 int dest_width,
362 int dest_height,
363 uint32_t flags) {
364 StartRendering();
365 CFX_Matrix matrix((FX_FLOAT)(dest_width), 0.0f, 0.0f,
366 (FX_FLOAT)(-dest_height), (FX_FLOAT)(dest_left),
367 (FX_FLOAT)(dest_top + dest_height));
368 return DrawDIBits(pSource, color, &matrix, flags);
369 }
370
371 bool CFX_PSRenderer::DrawDIBits(const CFX_DIBSource* pSource,
372 uint32_t color,
373 const CFX_Matrix* pMatrix,
374 uint32_t flags) {
375 StartRendering();
376 if ((pMatrix->a == 0 && pMatrix->b == 0) ||
377 (pMatrix->c == 0 && pMatrix->d == 0)) {
378 return true;
379 }
380 if (pSource->HasAlpha()) {
381 return false;
382 }
383 int alpha = FXARGB_A(color);
384 if (pSource->IsAlphaMask() && (alpha < 255 || pSource->GetBPP() != 1))
385 return false;
386
387 OUTPUT_PS("q\n");
388 CFX_ByteTextBuf buf;
389 buf << "[" << pMatrix->a << " " << pMatrix->b << " " << pMatrix->c << " "
390 << pMatrix->d << " " << pMatrix->e << " " << pMatrix->f << "]cm ";
391 int width = pSource->GetWidth();
392 int height = pSource->GetHeight();
393 buf << width << " " << height;
394 if (pSource->GetBPP() == 1 && !pSource->GetPalette()) {
395 int pitch = (width + 7) / 8;
396 uint32_t src_size = height * pitch;
397 uint8_t* src_buf = FX_Alloc(uint8_t, src_size);
398 for (int row = 0; row < height; row++) {
399 const uint8_t* src_scan = pSource->GetScanline(row);
400 FXSYS_memcpy(src_buf + row * pitch, src_scan, pitch);
401 }
402 std::unique_ptr<uint8_t, FxFreeDeleter> output_buf;
403 uint32_t output_size;
404 FaxCompressData(src_buf, width, height, output_buf, output_size);
405 if (pSource->IsAlphaMask()) {
406 SetColor(color);
407 m_bColorSet = false;
408 buf << " true[";
409 } else {
410 buf << " 1[";
411 }
412 buf << width << " 0 0 -" << height << " 0 " << height
413 << "]currentfile/ASCII85Decode filter ";
414 if (output_buf.get() != src_buf)
415 buf << "<</K -1/EndOfBlock false/Columns " << width << "/Rows " << height
416 << ">>/CCITTFaxDecode filter ";
417 if (pSource->IsAlphaMask()) {
418 buf << "iM\n";
419 } else {
420 buf << "false 1 colorimage\n";
421 }
422 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
423 WritePSBinary(output_buf.get(), output_size);
424 output_buf.release();
425 } else {
426 CFX_MaybeOwned<CFX_DIBSource> pConverted((CFX_DIBSource*)pSource);
rbpotter 2017/01/05 22:58:18 Had to change this to this type due to the modific
427 switch (pSource->GetFormat()) {
428 case FXDIB_1bppRgb:
429 case FXDIB_Rgb32:
430 pConverted = pSource->CloneConvert(FXDIB_Rgb);
431 break;
432 case FXDIB_8bppRgb:
433 if (pSource->GetPalette()) {
434 pConverted = pSource->CloneConvert(FXDIB_Rgb);
435 }
436 break;
437 case FXDIB_1bppCmyk:
438 pConverted = pSource->CloneConvert(FXDIB_Cmyk);
439 break;
440 case FXDIB_8bppCmyk:
441 if (pSource->GetPalette()) {
442 pConverted = pSource->CloneConvert(FXDIB_Cmyk);
443 }
444 break;
445 default:
446 break;
447 }
448 if (!pConverted) {
449 OUTPUT_PS("\nQ\n");
450 return false;
451 }
452 int Bpp = pConverted->GetBPP() / 8;
453 uint8_t* output_buf = nullptr;
454 FX_STRSIZE output_size = 0;
455 const FX_CHAR* filter = nullptr;
456 if (flags & FXRENDER_IMAGE_LOSSY) {
457 CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
458 if (pEncoders &&
459 pEncoders->GetJpegModule()->JpegEncode(pConverted.Get(), output_buf,
460 output_size)) {
461 filter = "/DCTDecode filter ";
462 }
463 }
464 if (!filter) {
465 int src_pitch = width * Bpp;
466 output_size = height * src_pitch;
467 output_buf = FX_Alloc(uint8_t, output_size);
468 for (int row = 0; row < height; row++) {
469 const uint8_t* src_scan = pConverted->GetScanline(row);
470 uint8_t* dest_scan = output_buf + row * src_pitch;
471 if (Bpp == 3) {
472 for (int col = 0; col < width; col++) {
473 *dest_scan++ = src_scan[2];
474 *dest_scan++ = src_scan[1];
475 *dest_scan++ = *src_scan;
476 src_scan += 3;
477 }
478 } else {
479 FXSYS_memcpy(dest_scan, src_scan, src_pitch);
480 }
481 }
482 uint8_t* compressed_buf;
483 uint32_t compressed_size;
484 PSCompressData(m_PSLevel, output_buf, output_size, compressed_buf,
485 compressed_size, filter);
486 if (output_buf != compressed_buf) {
487 FX_Free(output_buf);
488 }
489 output_buf = compressed_buf;
490 output_size = compressed_size;
491 }
492 CFX_DIBSource* converted = pConverted.Get();
493 if (converted != pSource) {
494 delete converted;
495 pConverted.Reset();
496 }
497 buf << " 8[";
498 buf << width << " 0 0 -" << height << " 0 " << height << "]";
499 buf << "currentfile/ASCII85Decode filter ";
500 if (filter) {
501 buf << filter;
502 }
503 buf << "false " << Bpp;
504 buf << " colorimage\n";
505 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
506 WritePSBinary(output_buf, output_size);
507 FX_Free(output_buf);
508 }
509 OUTPUT_PS("\nQ\n");
510 return true;
511 }
512
513 void CFX_PSRenderer::SetColor(uint32_t color) {
514 bool bCMYK = false;
515 if (bCMYK != m_bCmykOutput || !m_bColorSet || m_LastColor != color) {
516 CFX_ByteTextBuf buf;
517 if (bCMYK) {
518 buf << FXSYS_GetCValue(color) / 255.0 << " "
519 << FXSYS_GetMValue(color) / 255.0 << " "
520 << FXSYS_GetYValue(color) / 255.0 << " "
521 << FXSYS_GetKValue(color) / 255.0 << " k\n";
522 } else {
523 buf << FXARGB_R(color) / 255.0 << " " << FXARGB_G(color) / 255.0 << " "
524 << FXARGB_B(color) / 255.0 << " rg\n";
525 }
526 if (bCMYK == m_bCmykOutput) {
527 m_bColorSet = true;
528 m_LastColor = color;
529 }
530 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
531 }
532 }
533
534 void CFX_PSRenderer::FindPSFontGlyph(CFX_FaceCache* pFaceCache,
535 CFX_Font* pFont,
536 const FXTEXT_CHARPOS& charpos,
537 int& ps_fontnum,
538 int& ps_glyphindex) {
539 for (int i = 0; i < (int)m_PSFontList.GetSize(); i++) {
540 CPSFont* pPSFont = m_PSFontList[i];
541 for (int j = 0; j < pPSFont->m_nGlyphs; j++)
542 if (pPSFont->m_Glyphs[j].m_pFont == pFont &&
543 pPSFont->m_Glyphs[j].m_GlyphIndex == charpos.m_GlyphIndex) {
544 if ((!pPSFont->m_Glyphs[j].m_bGlyphAdjust && !charpos.m_bGlyphAdjust) ||
545 (pPSFont->m_Glyphs[j].m_bGlyphAdjust && charpos.m_bGlyphAdjust &&
546 (FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[0] -
547 charpos.m_AdjustMatrix[0]) < 0.01 &&
548 FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[1] -
549 charpos.m_AdjustMatrix[1]) < 0.01 &&
550 FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[2] -
551 charpos.m_AdjustMatrix[2]) < 0.01 &&
552 FXSYS_fabs(pPSFont->m_Glyphs[j].m_AdjustMatrix[3] -
553 charpos.m_AdjustMatrix[3]) < 0.01))) {
554 ps_fontnum = i;
555 ps_glyphindex = j;
556 return;
557 }
558 }
559 }
560 if (m_PSFontList.GetSize() == 0 ||
561 m_PSFontList[m_PSFontList.GetSize() - 1]->m_nGlyphs == 256) {
562 CPSFont* pPSFont = new CPSFont;
563 pPSFont->m_nGlyphs = 0;
564 m_PSFontList.Add(pPSFont);
565 CFX_ByteTextBuf buf;
566 buf << "8 dict begin/FontType 3 def/FontMatrix[1 0 0 1 0 0]def\n"
567 "/FontBBox[0 0 0 0]def/Encoding 256 array def 0 1 255{Encoding "
568 "exch/.notdef put}for\n"
569 "/CharProcs 1 dict def CharProcs begin/.notdef {} def end\n"
570 "/BuildGlyph{1 0 -10 -10 10 10 setcachedevice exch/CharProcs get "
571 "exch 2 copy known not{pop/.notdef}if get exec}bind def\n"
572 "/BuildChar{1 index/Encoding get exch get 1 index/BuildGlyph get "
573 "exec}bind def\n"
574 "currentdict end\n";
575 buf << "/X" << m_PSFontList.GetSize() - 1 << " exch definefont pop\n";
576 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
577 buf.Clear();
578 }
579 ps_fontnum = m_PSFontList.GetSize() - 1;
580 CPSFont* pPSFont = m_PSFontList[ps_fontnum];
581 ps_glyphindex = pPSFont->m_nGlyphs;
582 pPSFont->m_Glyphs[ps_glyphindex].m_GlyphIndex = charpos.m_GlyphIndex;
583 pPSFont->m_Glyphs[ps_glyphindex].m_pFont = pFont;
584 pPSFont->m_Glyphs[ps_glyphindex].m_bGlyphAdjust = charpos.m_bGlyphAdjust;
585 if (charpos.m_bGlyphAdjust) {
586 pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[0] =
587 charpos.m_AdjustMatrix[0];
588 pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[1] =
589 charpos.m_AdjustMatrix[1];
590 pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[2] =
591 charpos.m_AdjustMatrix[2];
592 pPSFont->m_Glyphs[ps_glyphindex].m_AdjustMatrix[3] =
593 charpos.m_AdjustMatrix[3];
594 }
595 pPSFont->m_nGlyphs++;
596 CFX_Matrix matrix;
597 if (charpos.m_bGlyphAdjust)
598 matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
599 charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
600 matrix.Concat(1.0f, 0, 0, 1.0f, 0, 0);
601 const CFX_PathData* pPathData = pFaceCache->LoadGlyphPath(
602 pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth);
603 if (!pPathData) {
604 return;
605 }
606 CFX_PathData TransformedPath(*pPathData);
607 if (charpos.m_bGlyphAdjust) {
608 TransformedPath.Transform(&matrix);
609 }
610 CFX_ByteTextBuf buf;
611 buf << "/X" << ps_fontnum << " Ff/CharProcs get begin/" << ps_glyphindex
612 << "{n ";
613 for (int p = 0; p < TransformedPath.GetPointCount(); p++) {
614 FX_FLOAT x = TransformedPath.GetPointX(p), y = TransformedPath.GetPointY(p);
615 switch (TransformedPath.GetFlag(p) & FXPT_TYPE) {
616 case FXPT_MOVETO: {
617 buf << x << " " << y << " m\n";
618 break;
619 }
620 case FXPT_LINETO: {
621 buf << x << " " << y << " l\n";
622 break;
623 }
624 case FXPT_BEZIERTO: {
625 buf << x << " " << y << " " << TransformedPath.GetPointX(p + 1) << " "
626 << TransformedPath.GetPointY(p + 1) << " "
627 << TransformedPath.GetPointX(p + 2) << " "
628 << TransformedPath.GetPointY(p + 2) << " c\n";
629 p += 2;
630 break;
631 }
632 }
633 }
634 buf << "f}bind def end\n";
635 buf << "/X" << ps_fontnum << " Ff/Encoding get " << ps_glyphindex << "/"
636 << ps_glyphindex << " put\n";
637 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
638 }
639
640 bool CFX_PSRenderer::DrawText(int nChars,
641 const FXTEXT_CHARPOS* pCharPos,
642 CFX_Font* pFont,
643 const CFX_Matrix* pObject2Device,
644 FX_FLOAT font_size,
645 uint32_t color) {
646 StartRendering();
647 int alpha = FXARGB_A(color);
648 if (alpha < 255)
649 return false;
650
651 if ((pObject2Device->a == 0 && pObject2Device->b == 0) ||
652 (pObject2Device->c == 0 && pObject2Device->d == 0)) {
653 return true;
654 }
655 SetColor(color);
656 CFX_ByteTextBuf buf;
657 buf << "q[" << pObject2Device->a << " " << pObject2Device->b << " "
658 << pObject2Device->c << " " << pObject2Device->d << " "
659 << pObject2Device->e << " " << pObject2Device->f << "]cm\n";
660
661 CFX_FontCache* pCache = CFX_GEModule::Get()->GetFontCache();
662 CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
663 int last_fontnum = -1;
664 for (int i = 0; i < nChars; i++) {
665 int ps_fontnum, ps_glyphindex;
666 FindPSFontGlyph(pFaceCache, pFont, pCharPos[i], ps_fontnum, ps_glyphindex);
667 if (last_fontnum != ps_fontnum) {
668 buf << "/X" << ps_fontnum << " Ff " << font_size << " Fs Sf ";
669 last_fontnum = ps_fontnum;
670 }
671 buf << pCharPos[i].m_OriginX << " " << pCharPos[i].m_OriginY << " m";
672 CFX_ByteString hex;
673 hex.Format("<%02X>", ps_glyphindex);
674 buf << hex.AsStringC() << "Tj\n";
675 }
676 buf << "Q\n";
677 m_pOutput->OutputPS((const FX_CHAR*)buf.GetBuffer(), buf.GetSize());
678 pCache->ReleaseCachedFace(pFont);
679 return true;
680 }
681
682 void CFX_PSRenderer::WritePSBinary(const uint8_t* data, int len) {
683 uint8_t* dest_buf;
684 uint32_t dest_size;
685 CCodec_ModuleMgr* pEncoders = CFX_GEModule::Get()->GetCodecModule();
686 if (pEncoders &&
687 pEncoders->GetBasicModule()->A85Encode(data, len, dest_buf, dest_size)) {
688 m_pOutput->OutputPS((const FX_CHAR*)dest_buf, dest_size);
689 FX_Free(dest_buf);
690 } else {
691 m_pOutput->OutputPS((const FX_CHAR*)data, len);
692 }
693 }
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