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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/src/fxge/agg/fx_agg_driver.h" | |
8 | |
9 #include <algorithm> | |
10 | |
11 #include "core/include/fxcodec/fx_codec.h" | |
12 #include "core/include/fxge/fx_ge.h" | |
13 #include "core/src/fxge/dib/dib_int.h" | |
14 #include "core/src/fxge/ge/fx_text_int.h" | |
15 #include "third_party/agg23/agg_conv_dash.h" | |
16 #include "third_party/agg23/agg_conv_stroke.h" | |
17 #include "third_party/agg23/agg_curves.h" | |
18 #include "third_party/agg23/agg_path_storage.h" | |
19 #include "third_party/agg23/agg_pixfmt_gray.h" | |
20 #include "third_party/agg23/agg_rasterizer_scanline_aa.h" | |
21 #include "third_party/agg23/agg_renderer_scanline.h" | |
22 #include "third_party/agg23/agg_scanline_u.h" | |
23 | |
24 namespace { | |
25 | |
26 void HardClip(FX_FLOAT& x, FX_FLOAT& y) { | |
27 x = std::max(std::min(x, 50000.0f), -50000.0f); | |
28 y = std::max(std::min(y, 50000.0f), -50000.0f); | |
29 } | |
30 | |
31 } // namespace | |
32 | |
33 void CAgg_PathData::BuildPath(const CFX_PathData* pPathData, | |
34 const CFX_Matrix* pObject2Device) { | |
35 int nPoints = pPathData->GetPointCount(); | |
36 FX_PATHPOINT* pPoints = pPathData->GetPoints(); | |
37 for (int i = 0; i < nPoints; i++) { | |
38 FX_FLOAT x = pPoints[i].m_PointX, y = pPoints[i].m_PointY; | |
39 if (pObject2Device) { | |
40 pObject2Device->Transform(x, y); | |
41 } | |
42 HardClip(x, y); | |
43 int point_type = pPoints[i].m_Flag & FXPT_TYPE; | |
44 if (point_type == FXPT_MOVETO) { | |
45 m_PathData.move_to(x, y); | |
46 } else if (point_type == FXPT_LINETO) { | |
47 if (pPoints[i - 1].m_Flag == FXPT_MOVETO && | |
48 (i == nPoints - 1 || pPoints[i + 1].m_Flag == FXPT_MOVETO) && | |
49 pPoints[i].m_PointX == pPoints[i - 1].m_PointX && | |
50 pPoints[i].m_PointY == pPoints[i - 1].m_PointY) { | |
51 x += 1; | |
52 } | |
53 m_PathData.line_to(x, y); | |
54 } else if (point_type == FXPT_BEZIERTO) { | |
55 FX_FLOAT x0 = pPoints[i - 1].m_PointX, y0 = pPoints[i - 1].m_PointY; | |
56 FX_FLOAT x2 = pPoints[i + 1].m_PointX, y2 = pPoints[i + 1].m_PointY; | |
57 FX_FLOAT x3 = pPoints[i + 2].m_PointX, y3 = pPoints[i + 2].m_PointY; | |
58 if (pObject2Device) { | |
59 pObject2Device->Transform(x0, y0); | |
60 pObject2Device->Transform(x2, y2); | |
61 pObject2Device->Transform(x3, y3); | |
62 } | |
63 agg::curve4 curve(x0, y0, x, y, x2, y2, x3, y3); | |
64 i += 2; | |
65 m_PathData.add_path_curve(curve); | |
66 } | |
67 if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) { | |
68 m_PathData.end_poly(); | |
69 } | |
70 } | |
71 } | |
72 namespace agg { | |
73 | |
74 template <class BaseRenderer> | |
75 class renderer_scanline_aa_offset { | |
76 public: | |
77 typedef BaseRenderer base_ren_type; | |
78 typedef typename base_ren_type::color_type color_type; | |
79 renderer_scanline_aa_offset(base_ren_type& ren, unsigned left, unsigned top) | |
80 : m_ren(&ren), m_left(left), m_top(top) {} | |
81 void color(const color_type& c) { m_color = c; } | |
82 const color_type& color() const { return m_color; } | |
83 void prepare(unsigned) {} | |
84 template <class Scanline> | |
85 void render(const Scanline& sl) { | |
86 int y = sl.y(); | |
87 unsigned num_spans = sl.num_spans(); | |
88 typename Scanline::const_iterator span = sl.begin(); | |
89 for (;;) { | |
90 int x = span->x; | |
91 if (span->len > 0) { | |
92 m_ren->blend_solid_hspan(x - m_left, y - m_top, (unsigned)span->len, | |
93 m_color, span->covers); | |
94 } else { | |
95 m_ren->blend_hline(x - m_left, y - m_top, (unsigned)(x - span->len - 1), | |
96 m_color, *(span->covers)); | |
97 } | |
98 if (--num_spans == 0) { | |
99 break; | |
100 } | |
101 ++span; | |
102 } | |
103 } | |
104 | |
105 private: | |
106 base_ren_type* m_ren; | |
107 color_type m_color; | |
108 unsigned m_left, m_top; | |
109 }; | |
110 | |
111 } // namespace agg | |
112 | |
113 static void RasterizeStroke(agg::rasterizer_scanline_aa& rasterizer, | |
114 agg::path_storage& path_data, | |
115 const CFX_Matrix* pObject2Device, | |
116 const CFX_GraphStateData* pGraphState, | |
117 FX_FLOAT scale = 1.0f, | |
118 FX_BOOL bStrokeAdjust = FALSE, | |
119 FX_BOOL bTextMode = FALSE) { | |
120 agg::line_cap_e cap; | |
121 switch (pGraphState->m_LineCap) { | |
122 case CFX_GraphStateData::LineCapRound: | |
123 cap = agg::round_cap; | |
124 break; | |
125 case CFX_GraphStateData::LineCapSquare: | |
126 cap = agg::square_cap; | |
127 break; | |
128 default: | |
129 cap = agg::butt_cap; | |
130 break; | |
131 } | |
132 agg::line_join_e join; | |
133 switch (pGraphState->m_LineJoin) { | |
134 case CFX_GraphStateData::LineJoinRound: | |
135 join = agg::round_join; | |
136 break; | |
137 case CFX_GraphStateData::LineJoinBevel: | |
138 join = agg::bevel_join; | |
139 break; | |
140 default: | |
141 join = agg::miter_join_revert; | |
142 break; | |
143 } | |
144 FX_FLOAT width = pGraphState->m_LineWidth * scale; | |
145 FX_FLOAT unit = 1.f; | |
146 if (pObject2Device) { | |
147 unit = | |
148 1.0f / ((pObject2Device->GetXUnit() + pObject2Device->GetYUnit()) / 2); | |
149 } | |
150 if (width < unit) { | |
151 width = unit; | |
152 } | |
153 if (pGraphState->m_DashArray) { | |
154 typedef agg::conv_dash<agg::path_storage> dash_converter; | |
155 dash_converter dash(path_data); | |
156 for (int i = 0; i < (pGraphState->m_DashCount + 1) / 2; i++) { | |
157 FX_FLOAT on = pGraphState->m_DashArray[i * 2]; | |
158 if (on <= 0.000001f) { | |
159 on = 1.0f / 10; | |
160 } | |
161 FX_FLOAT off = i * 2 + 1 == pGraphState->m_DashCount | |
162 ? on | |
163 : pGraphState->m_DashArray[i * 2 + 1]; | |
164 if (off < 0) { | |
165 off = 0; | |
166 } | |
167 dash.add_dash(on * scale, off * scale); | |
168 } | |
169 dash.dash_start(pGraphState->m_DashPhase * scale); | |
170 typedef agg::conv_stroke<dash_converter> dash_stroke; | |
171 dash_stroke stroke(dash); | |
172 stroke.line_join(join); | |
173 stroke.line_cap(cap); | |
174 stroke.miter_limit(pGraphState->m_MiterLimit); | |
175 stroke.width(width); | |
176 rasterizer.add_path_transformed(stroke, pObject2Device); | |
177 } else { | |
178 agg::conv_stroke<agg::path_storage> stroke(path_data); | |
179 stroke.line_join(join); | |
180 stroke.line_cap(cap); | |
181 stroke.miter_limit(pGraphState->m_MiterLimit); | |
182 stroke.width(width); | |
183 rasterizer.add_path_transformed(stroke, pObject2Device); | |
184 } | |
185 } | |
186 | |
187 IFX_RenderDeviceDriver* IFX_RenderDeviceDriver::CreateFxgeDriver( | |
188 CFX_DIBitmap* pBitmap, | |
189 FX_BOOL bRgbByteOrder, | |
190 CFX_DIBitmap* pOriDevice, | |
191 FX_BOOL bGroupKnockout) { | |
192 return new CFX_AggDeviceDriver(pBitmap, 0, bRgbByteOrder, pOriDevice, | |
193 bGroupKnockout); | |
194 } | |
195 | |
196 CFX_AggDeviceDriver::CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap, | |
197 int dither_bits, | |
198 FX_BOOL bRgbByteOrder, | |
199 CFX_DIBitmap* pOriDevice, | |
200 FX_BOOL bGroupKnockout) { | |
201 m_pBitmap = pBitmap; | |
202 m_DitherBits = dither_bits; | |
203 m_pClipRgn = NULL; | |
204 m_pPlatformBitmap = NULL; | |
205 m_pPlatformGraphics = NULL; | |
206 m_pDwRenderTartget = NULL; | |
207 m_bRgbByteOrder = bRgbByteOrder; | |
208 m_pOriDevice = pOriDevice; | |
209 m_bGroupKnockout = bGroupKnockout; | |
210 m_FillFlags = 0; | |
211 InitPlatform(); | |
212 } | |
213 | |
214 CFX_AggDeviceDriver::~CFX_AggDeviceDriver() { | |
215 delete m_pClipRgn; | |
216 for (int i = 0; i < m_StateStack.GetSize(); i++) | |
217 delete m_StateStack[i]; | |
218 DestroyPlatform(); | |
219 } | |
220 | |
221 uint8_t* CFX_AggDeviceDriver::GetBuffer() const { | |
222 return m_pBitmap->GetBuffer(); | |
223 } | |
224 | |
225 #if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ | |
226 void CFX_AggDeviceDriver::InitPlatform() {} | |
227 | |
228 void CFX_AggDeviceDriver::DestroyPlatform() {} | |
229 | |
230 FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars, | |
231 const FXTEXT_CHARPOS* pCharPos, | |
232 CFX_Font* pFont, | |
233 CFX_FontCache* pCache, | |
234 const CFX_Matrix* pObject2Device, | |
235 FX_FLOAT font_size, | |
236 FX_DWORD color, | |
237 int alpha_flag, | |
238 void* pIccTransform) { | |
239 return FALSE; | |
240 } // _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_ | |
241 #endif | |
242 | |
243 int CFX_AggDeviceDriver::GetDeviceCaps(int caps_id) { | |
244 switch (caps_id) { | |
245 case FXDC_DEVICE_CLASS: | |
246 return FXDC_DISPLAY; | |
247 case FXDC_PIXEL_WIDTH: | |
248 return m_pBitmap->GetWidth(); | |
249 case FXDC_PIXEL_HEIGHT: | |
250 return m_pBitmap->GetHeight(); | |
251 case FXDC_BITS_PIXEL: | |
252 return m_pBitmap->GetBPP(); | |
253 case FXDC_HORZ_SIZE: | |
254 case FXDC_VERT_SIZE: | |
255 return 0; | |
256 case FXDC_RENDER_CAPS: { | |
257 int flags = FXRC_GET_BITS | FXRC_ALPHA_PATH | FXRC_ALPHA_IMAGE | | |
258 FXRC_BLEND_MODE | FXRC_SOFT_CLIP; | |
259 if (m_pBitmap->HasAlpha()) { | |
260 flags |= FXRC_ALPHA_OUTPUT; | |
261 } else if (m_pBitmap->IsAlphaMask()) { | |
262 if (m_pBitmap->GetBPP() == 1) { | |
263 flags |= FXRC_BITMASK_OUTPUT; | |
264 } else { | |
265 flags |= FXRC_BYTEMASK_OUTPUT; | |
266 } | |
267 } | |
268 if (m_pBitmap->IsCmykImage()) { | |
269 flags |= FXRC_CMYK_OUTPUT; | |
270 } | |
271 return flags; | |
272 } | |
273 case FXDC_DITHER_BITS: | |
274 return m_DitherBits; | |
275 } | |
276 return 0; | |
277 } | |
278 | |
279 void CFX_AggDeviceDriver::SaveState() { | |
280 CFX_ClipRgn* pClip = NULL; | |
281 if (m_pClipRgn) { | |
282 pClip = new CFX_ClipRgn(*m_pClipRgn); | |
283 } | |
284 m_StateStack.Add(pClip); | |
285 } | |
286 | |
287 void CFX_AggDeviceDriver::RestoreState(FX_BOOL bKeepSaved) { | |
288 if (m_StateStack.GetSize() == 0) { | |
289 delete m_pClipRgn; | |
290 m_pClipRgn = NULL; | |
291 return; | |
292 } | |
293 CFX_ClipRgn* pSavedClip = m_StateStack[m_StateStack.GetSize() - 1]; | |
294 delete m_pClipRgn; | |
295 m_pClipRgn = NULL; | |
296 if (bKeepSaved) { | |
297 if (pSavedClip) { | |
298 m_pClipRgn = new CFX_ClipRgn(*pSavedClip); | |
299 } | |
300 } else { | |
301 m_StateStack.RemoveAt(m_StateStack.GetSize() - 1); | |
302 m_pClipRgn = pSavedClip; | |
303 } | |
304 } | |
305 | |
306 void CFX_AggDeviceDriver::SetClipMask(agg::rasterizer_scanline_aa& rasterizer) { | |
307 FX_RECT path_rect(rasterizer.min_x(), rasterizer.min_y(), | |
308 rasterizer.max_x() + 1, rasterizer.max_y() + 1); | |
309 path_rect.Intersect(m_pClipRgn->GetBox()); | |
310 CFX_DIBitmapRef mask; | |
311 CFX_DIBitmap* pThisLayer = mask.New(); | |
312 if (!pThisLayer) { | |
313 return; | |
314 } | |
315 pThisLayer->Create(path_rect.Width(), path_rect.Height(), FXDIB_8bppMask); | |
316 pThisLayer->Clear(0); | |
317 agg::rendering_buffer raw_buf(pThisLayer->GetBuffer(), pThisLayer->GetWidth(), | |
318 pThisLayer->GetHeight(), | |
319 pThisLayer->GetPitch()); | |
320 agg::pixfmt_gray8 pixel_buf(raw_buf); | |
321 agg::renderer_base<agg::pixfmt_gray8> base_buf(pixel_buf); | |
322 agg::renderer_scanline_aa_offset<agg::renderer_base<agg::pixfmt_gray8> > | |
323 final_render(base_buf, path_rect.left, path_rect.top); | |
324 final_render.color(agg::gray8(255)); | |
325 agg::scanline_u8 scanline; | |
326 agg::render_scanlines(rasterizer, scanline, final_render, | |
327 (m_FillFlags & FXFILL_NOPATHSMOOTH) != 0); | |
328 m_pClipRgn->IntersectMaskF(path_rect.left, path_rect.top, mask); | |
329 } | |
330 | |
331 FX_BOOL CFX_AggDeviceDriver::SetClip_PathFill(const CFX_PathData* pPathData, | |
332 const CFX_Matrix* pObject2Device, | |
333 int fill_mode) { | |
334 m_FillFlags = fill_mode; | |
335 if (!m_pClipRgn) { | |
336 m_pClipRgn = new CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH), | |
337 GetDeviceCaps(FXDC_PIXEL_HEIGHT)); | |
338 } | |
339 if (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) { | |
340 CFX_FloatRect rectf; | |
341 if (pPathData->IsRect(pObject2Device, &rectf)) { | |
342 rectf.Intersect( | |
343 CFX_FloatRect(0, 0, (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_WIDTH), | |
344 (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_HEIGHT))); | |
345 FX_RECT rect = rectf.GetOutterRect(); | |
346 m_pClipRgn->IntersectRect(rect); | |
347 return TRUE; | |
348 } | |
349 } | |
350 CAgg_PathData path_data; | |
351 path_data.BuildPath(pPathData, pObject2Device); | |
352 path_data.m_PathData.end_poly(); | |
353 agg::rasterizer_scanline_aa rasterizer; | |
354 rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), | |
355 (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); | |
356 rasterizer.add_path(path_data.m_PathData); | |
357 rasterizer.filling_rule((fill_mode & 3) == FXFILL_WINDING | |
358 ? agg::fill_non_zero | |
359 : agg::fill_even_odd); | |
360 SetClipMask(rasterizer); | |
361 return TRUE; | |
362 } | |
363 | |
364 FX_BOOL CFX_AggDeviceDriver::SetClip_PathStroke( | |
365 const CFX_PathData* pPathData, | |
366 const CFX_Matrix* pObject2Device, | |
367 const CFX_GraphStateData* pGraphState) { | |
368 if (!m_pClipRgn) { | |
369 m_pClipRgn = new CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH), | |
370 GetDeviceCaps(FXDC_PIXEL_HEIGHT)); | |
371 } | |
372 CAgg_PathData path_data; | |
373 path_data.BuildPath(pPathData, NULL); | |
374 agg::rasterizer_scanline_aa rasterizer; | |
375 rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), | |
376 (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); | |
377 RasterizeStroke(rasterizer, path_data.m_PathData, pObject2Device, | |
378 pGraphState); | |
379 rasterizer.filling_rule(agg::fill_non_zero); | |
380 SetClipMask(rasterizer); | |
381 return TRUE; | |
382 } | |
383 | |
384 class CFX_Renderer { | |
385 private: | |
386 int m_Alpha, m_Red, m_Green, m_Blue, m_Gray; | |
387 FX_DWORD m_Color; | |
388 FX_BOOL m_bFullCover; | |
389 FX_BOOL m_bRgbByteOrder; | |
390 CFX_DIBitmap* m_pOriDevice; | |
391 FX_RECT m_ClipBox; | |
392 const CFX_DIBitmap* m_pClipMask; | |
393 CFX_DIBitmap* m_pDevice; | |
394 const CFX_ClipRgn* m_pClipRgn; | |
395 void (CFX_Renderer::*composite_span)(uint8_t*, | |
396 int, | |
397 int, | |
398 int, | |
399 uint8_t*, | |
400 int, | |
401 int, | |
402 uint8_t*, | |
403 uint8_t*); | |
404 | |
405 public: | |
406 void prepare(unsigned) {} | |
407 | |
408 void CompositeSpan(uint8_t* dest_scan, | |
409 uint8_t* ori_scan, | |
410 int Bpp, | |
411 FX_BOOL bDestAlpha, | |
412 int span_left, | |
413 int span_len, | |
414 uint8_t* cover_scan, | |
415 int clip_left, | |
416 int clip_right, | |
417 uint8_t* clip_scan) { | |
418 ASSERT(!m_pDevice->IsCmykImage()); | |
419 int col_start = span_left < clip_left ? clip_left - span_left : 0; | |
420 int col_end = (span_left + span_len) < clip_right | |
421 ? span_len | |
422 : (clip_right - span_left); | |
423 if (Bpp) { | |
424 dest_scan += col_start * Bpp; | |
425 ori_scan += col_start * Bpp; | |
426 } else { | |
427 dest_scan += col_start / 8; | |
428 ori_scan += col_start / 8; | |
429 } | |
430 if (m_bRgbByteOrder) { | |
431 if (Bpp == 4 && bDestAlpha) { | |
432 for (int col = col_start; col < col_end; col++) { | |
433 int src_alpha; | |
434 if (clip_scan) { | |
435 src_alpha = m_Alpha * clip_scan[col] / 255; | |
436 } else { | |
437 src_alpha = m_Alpha; | |
438 } | |
439 uint8_t dest_alpha = | |
440 ori_scan[3] + src_alpha - ori_scan[3] * src_alpha / 255; | |
441 dest_scan[3] = dest_alpha; | |
442 int alpha_ratio = src_alpha * 255 / dest_alpha; | |
443 if (m_bFullCover) { | |
444 *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio); | |
445 *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio); | |
446 *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio); | |
447 dest_scan++; | |
448 ori_scan++; | |
449 } else { | |
450 int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio); | |
451 int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio); | |
452 int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio); | |
453 ori_scan++; | |
454 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]); | |
455 dest_scan++; | |
456 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]); | |
457 dest_scan++; | |
458 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]); | |
459 dest_scan += 2; | |
460 } | |
461 } | |
462 return; | |
463 } | |
464 if (Bpp == 3 || Bpp == 4) { | |
465 for (int col = col_start; col < col_end; col++) { | |
466 int src_alpha; | |
467 if (clip_scan) { | |
468 src_alpha = m_Alpha * clip_scan[col] / 255; | |
469 } else { | |
470 src_alpha = m_Alpha; | |
471 } | |
472 int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha); | |
473 int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); | |
474 int b = FXDIB_ALPHA_MERGE(*ori_scan, m_Blue, src_alpha); | |
475 ori_scan += Bpp - 2; | |
476 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]); | |
477 dest_scan++; | |
478 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]); | |
479 dest_scan++; | |
480 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]); | |
481 dest_scan += Bpp - 2; | |
482 } | |
483 } | |
484 return; | |
485 } | |
486 if (Bpp == 4 && bDestAlpha) { | |
487 for (int col = col_start; col < col_end; col++) { | |
488 int src_alpha; | |
489 if (clip_scan) { | |
490 src_alpha = m_Alpha * clip_scan[col] / 255; | |
491 } else { | |
492 src_alpha = m_Alpha; | |
493 } | |
494 int src_alpha_covered = src_alpha * cover_scan[col] / 255; | |
495 if (src_alpha_covered == 0) { | |
496 dest_scan += 4; | |
497 continue; | |
498 } | |
499 if (cover_scan[col] == 255) { | |
500 dest_scan[3] = src_alpha_covered; | |
501 *dest_scan++ = m_Blue; | |
502 *dest_scan++ = m_Green; | |
503 *dest_scan = m_Red; | |
504 dest_scan += 2; | |
505 continue; | |
506 } else { | |
507 if (dest_scan[3] == 0) { | |
508 dest_scan[3] = src_alpha_covered; | |
509 *dest_scan++ = m_Blue; | |
510 *dest_scan++ = m_Green; | |
511 *dest_scan = m_Red; | |
512 dest_scan += 2; | |
513 continue; | |
514 } | |
515 uint8_t cover = cover_scan[col]; | |
516 dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover); | |
517 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover); | |
518 dest_scan++; | |
519 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover); | |
520 dest_scan++; | |
521 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover); | |
522 dest_scan += 2; | |
523 } | |
524 } | |
525 return; | |
526 } | |
527 if (Bpp == 3 || Bpp == 4) { | |
528 for (int col = col_start; col < col_end; col++) { | |
529 int src_alpha; | |
530 if (clip_scan) { | |
531 src_alpha = m_Alpha * clip_scan[col] / 255; | |
532 } else { | |
533 src_alpha = m_Alpha; | |
534 } | |
535 if (m_bFullCover) { | |
536 *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha); | |
537 *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); | |
538 *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha); | |
539 dest_scan += Bpp - 2; | |
540 ori_scan += Bpp - 2; | |
541 continue; | |
542 } | |
543 int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha); | |
544 int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha); | |
545 int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha); | |
546 ori_scan += Bpp - 2; | |
547 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]); | |
548 dest_scan++; | |
549 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]); | |
550 dest_scan++; | |
551 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]); | |
552 dest_scan += Bpp - 2; | |
553 continue; | |
554 } | |
555 return; | |
556 } | |
557 if (Bpp == 1) { | |
558 for (int col = col_start; col < col_end; col++) { | |
559 int src_alpha; | |
560 if (clip_scan) { | |
561 src_alpha = m_Alpha * clip_scan[col] / 255; | |
562 } else { | |
563 src_alpha = m_Alpha; | |
564 } | |
565 if (m_bFullCover) { | |
566 *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); | |
567 } else { | |
568 int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha); | |
569 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan[col]); | |
570 dest_scan++; | |
571 } | |
572 } | |
573 } else { | |
574 int index = 0; | |
575 if (m_pDevice->GetPalette()) { | |
576 for (int i = 0; i < 2; i++) { | |
577 if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) { | |
578 index = i; | |
579 } | |
580 } | |
581 } else { | |
582 index = ((uint8_t)m_Color == 0xff) ? 1 : 0; | |
583 } | |
584 uint8_t* dest_scan1 = dest_scan; | |
585 for (int col = col_start; col < col_end; col++) { | |
586 int src_alpha; | |
587 if (clip_scan) { | |
588 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
589 } else { | |
590 src_alpha = m_Alpha * cover_scan[col] / 255; | |
591 } | |
592 if (src_alpha) { | |
593 if (!index) { | |
594 *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8)); | |
595 } else { | |
596 *dest_scan1 |= 1 << (7 - (col + span_left) % 8); | |
597 } | |
598 } | |
599 dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8; | |
600 } | |
601 } | |
602 } | |
603 | |
604 void CompositeSpan1bpp(uint8_t* dest_scan, | |
605 int Bpp, | |
606 int span_left, | |
607 int span_len, | |
608 uint8_t* cover_scan, | |
609 int clip_left, | |
610 int clip_right, | |
611 uint8_t* clip_scan, | |
612 uint8_t* dest_extra_alpha_scan) { | |
613 ASSERT(!m_bRgbByteOrder); | |
614 ASSERT(!m_pDevice->IsCmykImage()); | |
615 int col_start = span_left < clip_left ? clip_left - span_left : 0; | |
616 int col_end = (span_left + span_len) < clip_right | |
617 ? span_len | |
618 : (clip_right - span_left); | |
619 dest_scan += col_start / 8; | |
620 int index = 0; | |
621 if (m_pDevice->GetPalette()) { | |
622 for (int i = 0; i < 2; i++) { | |
623 if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) { | |
624 index = i; | |
625 } | |
626 } | |
627 } else { | |
628 index = ((uint8_t)m_Color == 0xff) ? 1 : 0; | |
629 } | |
630 uint8_t* dest_scan1 = dest_scan; | |
631 for (int col = col_start; col < col_end; col++) { | |
632 int src_alpha; | |
633 if (clip_scan) { | |
634 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
635 } else { | |
636 src_alpha = m_Alpha * cover_scan[col] / 255; | |
637 } | |
638 if (src_alpha) { | |
639 if (!index) { | |
640 *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8)); | |
641 } else { | |
642 *dest_scan1 |= 1 << (7 - (col + span_left) % 8); | |
643 } | |
644 } | |
645 dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8; | |
646 } | |
647 } | |
648 | |
649 void CompositeSpanGray(uint8_t* dest_scan, | |
650 int Bpp, | |
651 int span_left, | |
652 int span_len, | |
653 uint8_t* cover_scan, | |
654 int clip_left, | |
655 int clip_right, | |
656 uint8_t* clip_scan, | |
657 uint8_t* dest_extra_alpha_scan) { | |
658 ASSERT(!m_bRgbByteOrder); | |
659 int col_start = span_left < clip_left ? clip_left - span_left : 0; | |
660 int col_end = (span_left + span_len) < clip_right | |
661 ? span_len | |
662 : (clip_right - span_left); | |
663 dest_scan += col_start; | |
664 if (dest_extra_alpha_scan) { | |
665 for (int col = col_start; col < col_end; col++) { | |
666 int src_alpha; | |
667 if (m_bFullCover) { | |
668 if (clip_scan) { | |
669 src_alpha = m_Alpha * clip_scan[col] / 255; | |
670 } else { | |
671 src_alpha = m_Alpha; | |
672 } | |
673 } else { | |
674 if (clip_scan) { | |
675 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
676 } else { | |
677 src_alpha = m_Alpha * cover_scan[col] / 255; | |
678 } | |
679 } | |
680 if (src_alpha) { | |
681 if (src_alpha == 255) { | |
682 *dest_scan = m_Gray; | |
683 *dest_extra_alpha_scan = m_Alpha; | |
684 } else { | |
685 uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha - | |
686 (*dest_extra_alpha_scan) * src_alpha / 255; | |
687 *dest_extra_alpha_scan++ = dest_alpha; | |
688 int alpha_ratio = src_alpha * 255 / dest_alpha; | |
689 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio); | |
690 dest_scan++; | |
691 continue; | |
692 } | |
693 } | |
694 dest_extra_alpha_scan++; | |
695 dest_scan++; | |
696 } | |
697 } else { | |
698 for (int col = col_start; col < col_end; col++) { | |
699 int src_alpha; | |
700 if (clip_scan) { | |
701 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
702 } else { | |
703 src_alpha = m_Alpha * cover_scan[col] / 255; | |
704 } | |
705 if (src_alpha) { | |
706 if (src_alpha == 255) { | |
707 *dest_scan = m_Gray; | |
708 } else { | |
709 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha); | |
710 } | |
711 } | |
712 dest_scan++; | |
713 } | |
714 } | |
715 } | |
716 | |
717 void CompositeSpanARGB(uint8_t* dest_scan, | |
718 int Bpp, | |
719 int span_left, | |
720 int span_len, | |
721 uint8_t* cover_scan, | |
722 int clip_left, | |
723 int clip_right, | |
724 uint8_t* clip_scan, | |
725 uint8_t* dest_extra_alpha_scan) { | |
726 int col_start = span_left < clip_left ? clip_left - span_left : 0; | |
727 int col_end = (span_left + span_len) < clip_right | |
728 ? span_len | |
729 : (clip_right - span_left); | |
730 dest_scan += col_start * Bpp; | |
731 if (m_bRgbByteOrder) { | |
732 for (int col = col_start; col < col_end; col++) { | |
733 int src_alpha; | |
734 if (m_bFullCover) { | |
735 if (clip_scan) { | |
736 src_alpha = m_Alpha * clip_scan[col] / 255; | |
737 } else { | |
738 src_alpha = m_Alpha; | |
739 } | |
740 } else { | |
741 if (clip_scan) { | |
742 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
743 } else { | |
744 src_alpha = m_Alpha * cover_scan[col] / 255; | |
745 } | |
746 } | |
747 if (src_alpha) { | |
748 if (src_alpha == 255) { | |
749 *(FX_DWORD*)dest_scan = m_Color; | |
750 } else { | |
751 uint8_t dest_alpha = | |
752 dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255; | |
753 dest_scan[3] = dest_alpha; | |
754 int alpha_ratio = src_alpha * 255 / dest_alpha; | |
755 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); | |
756 dest_scan++; | |
757 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); | |
758 dest_scan++; | |
759 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); | |
760 dest_scan += 2; | |
761 continue; | |
762 } | |
763 } | |
764 dest_scan += 4; | |
765 } | |
766 return; | |
767 } | |
768 for (int col = col_start; col < col_end; col++) { | |
769 int src_alpha; | |
770 if (m_bFullCover) { | |
771 if (clip_scan) { | |
772 src_alpha = m_Alpha * clip_scan[col] / 255; | |
773 } else { | |
774 src_alpha = m_Alpha; | |
775 } | |
776 } else { | |
777 if (clip_scan) { | |
778 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
779 } else { | |
780 src_alpha = m_Alpha * cover_scan[col] / 255; | |
781 } | |
782 } | |
783 if (src_alpha) { | |
784 if (src_alpha == 255) { | |
785 *(FX_DWORD*)dest_scan = m_Color; | |
786 } else { | |
787 if (dest_scan[3] == 0) { | |
788 dest_scan[3] = src_alpha; | |
789 *dest_scan++ = m_Blue; | |
790 *dest_scan++ = m_Green; | |
791 *dest_scan = m_Red; | |
792 dest_scan += 2; | |
793 continue; | |
794 } | |
795 uint8_t dest_alpha = | |
796 dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255; | |
797 dest_scan[3] = dest_alpha; | |
798 int alpha_ratio = src_alpha * 255 / dest_alpha; | |
799 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); | |
800 dest_scan++; | |
801 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); | |
802 dest_scan++; | |
803 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); | |
804 dest_scan += 2; | |
805 continue; | |
806 } | |
807 } | |
808 dest_scan += Bpp; | |
809 } | |
810 } | |
811 | |
812 void CompositeSpanRGB(uint8_t* dest_scan, | |
813 int Bpp, | |
814 int span_left, | |
815 int span_len, | |
816 uint8_t* cover_scan, | |
817 int clip_left, | |
818 int clip_right, | |
819 uint8_t* clip_scan, | |
820 uint8_t* dest_extra_alpha_scan) { | |
821 int col_start = span_left < clip_left ? clip_left - span_left : 0; | |
822 int col_end = (span_left + span_len) < clip_right | |
823 ? span_len | |
824 : (clip_right - span_left); | |
825 dest_scan += col_start * Bpp; | |
826 if (m_bRgbByteOrder) { | |
827 for (int col = col_start; col < col_end; col++) { | |
828 int src_alpha; | |
829 if (clip_scan) { | |
830 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
831 } else { | |
832 src_alpha = m_Alpha * cover_scan[col] / 255; | |
833 } | |
834 if (src_alpha) { | |
835 if (src_alpha == 255) { | |
836 if (Bpp == 4) { | |
837 *(FX_DWORD*)dest_scan = m_Color; | |
838 } else if (Bpp == 3) { | |
839 *dest_scan++ = m_Red; | |
840 *dest_scan++ = m_Green; | |
841 *dest_scan++ = m_Blue; | |
842 continue; | |
843 } | |
844 } else { | |
845 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha); | |
846 dest_scan++; | |
847 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha); | |
848 dest_scan++; | |
849 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha); | |
850 dest_scan += Bpp - 2; | |
851 continue; | |
852 } | |
853 } | |
854 dest_scan += Bpp; | |
855 } | |
856 return; | |
857 } | |
858 if (Bpp == 3 && dest_extra_alpha_scan) { | |
859 for (int col = col_start; col < col_end; col++) { | |
860 int src_alpha; | |
861 if (m_bFullCover) { | |
862 if (clip_scan) { | |
863 src_alpha = m_Alpha * clip_scan[col] / 255; | |
864 } else { | |
865 src_alpha = m_Alpha; | |
866 } | |
867 } else { | |
868 if (clip_scan) { | |
869 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
870 } else { | |
871 src_alpha = m_Alpha * cover_scan[col] / 255; | |
872 } | |
873 } | |
874 if (src_alpha) { | |
875 if (src_alpha == 255) { | |
876 *dest_scan++ = (uint8_t)m_Blue; | |
877 *dest_scan++ = (uint8_t)m_Green; | |
878 *dest_scan++ = (uint8_t)m_Red; | |
879 *dest_extra_alpha_scan++ = (uint8_t)m_Alpha; | |
880 continue; | |
881 } else { | |
882 uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha - | |
883 (*dest_extra_alpha_scan) * src_alpha / 255; | |
884 *dest_extra_alpha_scan++ = dest_alpha; | |
885 int alpha_ratio = src_alpha * 255 / dest_alpha; | |
886 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); | |
887 dest_scan++; | |
888 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); | |
889 dest_scan++; | |
890 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); | |
891 dest_scan++; | |
892 continue; | |
893 } | |
894 } | |
895 dest_extra_alpha_scan++; | |
896 dest_scan += Bpp; | |
897 } | |
898 } else { | |
899 for (int col = col_start; col < col_end; col++) { | |
900 int src_alpha; | |
901 if (m_bFullCover) { | |
902 if (clip_scan) { | |
903 src_alpha = m_Alpha * clip_scan[col] / 255; | |
904 } else { | |
905 src_alpha = m_Alpha; | |
906 } | |
907 } else { | |
908 if (clip_scan) { | |
909 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
910 } else { | |
911 src_alpha = m_Alpha * cover_scan[col] / 255; | |
912 } | |
913 } | |
914 if (src_alpha) { | |
915 if (src_alpha == 255) { | |
916 if (Bpp == 4) { | |
917 *(FX_DWORD*)dest_scan = m_Color; | |
918 } else if (Bpp == 3) { | |
919 *dest_scan++ = m_Blue; | |
920 *dest_scan++ = m_Green; | |
921 *dest_scan++ = m_Red; | |
922 continue; | |
923 } | |
924 } else { | |
925 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha); | |
926 dest_scan++; | |
927 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha); | |
928 dest_scan++; | |
929 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha); | |
930 dest_scan += Bpp - 2; | |
931 continue; | |
932 } | |
933 } | |
934 dest_scan += Bpp; | |
935 } | |
936 } | |
937 } | |
938 | |
939 void CompositeSpanCMYK(uint8_t* dest_scan, | |
940 int Bpp, | |
941 int span_left, | |
942 int span_len, | |
943 uint8_t* cover_scan, | |
944 int clip_left, | |
945 int clip_right, | |
946 uint8_t* clip_scan, | |
947 uint8_t* dest_extra_alpha_scan) { | |
948 ASSERT(!m_bRgbByteOrder); | |
949 int col_start = span_left < clip_left ? clip_left - span_left : 0; | |
950 int col_end = (span_left + span_len) < clip_right | |
951 ? span_len | |
952 : (clip_right - span_left); | |
953 dest_scan += col_start * 4; | |
954 if (dest_extra_alpha_scan) { | |
955 for (int col = col_start; col < col_end; col++) { | |
956 int src_alpha; | |
957 if (m_bFullCover) { | |
958 if (clip_scan) { | |
959 src_alpha = m_Alpha * clip_scan[col] / 255; | |
960 } else { | |
961 src_alpha = m_Alpha; | |
962 } | |
963 } else { | |
964 if (clip_scan) { | |
965 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
966 } else { | |
967 src_alpha = m_Alpha * cover_scan[col] / 255; | |
968 } | |
969 } | |
970 if (src_alpha) { | |
971 if (src_alpha == 255) { | |
972 *(FX_CMYK*)dest_scan = m_Color; | |
973 *dest_extra_alpha_scan = (uint8_t)m_Alpha; | |
974 } else { | |
975 uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha - | |
976 (*dest_extra_alpha_scan) * src_alpha / 255; | |
977 *dest_extra_alpha_scan++ = dest_alpha; | |
978 int alpha_ratio = src_alpha * 255 / dest_alpha; | |
979 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio); | |
980 dest_scan++; | |
981 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio); | |
982 dest_scan++; | |
983 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio); | |
984 dest_scan++; | |
985 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio); | |
986 dest_scan++; | |
987 continue; | |
988 } | |
989 } | |
990 dest_extra_alpha_scan++; | |
991 dest_scan += 4; | |
992 } | |
993 } else { | |
994 for (int col = col_start; col < col_end; col++) { | |
995 int src_alpha; | |
996 if (clip_scan) { | |
997 src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255; | |
998 } else { | |
999 src_alpha = m_Alpha * cover_scan[col] / 255; | |
1000 } | |
1001 if (src_alpha) { | |
1002 if (src_alpha == 255) { | |
1003 *(FX_CMYK*)dest_scan = m_Color; | |
1004 } else { | |
1005 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha); | |
1006 dest_scan++; | |
1007 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha); | |
1008 dest_scan++; | |
1009 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha); | |
1010 dest_scan++; | |
1011 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha); | |
1012 dest_scan++; | |
1013 continue; | |
1014 } | |
1015 } | |
1016 dest_scan += 4; | |
1017 } | |
1018 } | |
1019 } | |
1020 | |
1021 template <class Scanline> | |
1022 void render(const Scanline& sl) { | |
1023 if (!m_pOriDevice && !composite_span) { | |
1024 return; | |
1025 } | |
1026 int y = sl.y(); | |
1027 if (y < m_ClipBox.top || y >= m_ClipBox.bottom) { | |
1028 return; | |
1029 } | |
1030 uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * y; | |
1031 uint8_t* dest_scan_extra_alpha = NULL; | |
1032 CFX_DIBitmap* pAlphaMask = m_pDevice->m_pAlphaMask; | |
1033 if (pAlphaMask) { | |
1034 dest_scan_extra_alpha = | |
1035 pAlphaMask->GetBuffer() + pAlphaMask->GetPitch() * y; | |
1036 } | |
1037 uint8_t* ori_scan = NULL; | |
1038 if (m_pOriDevice) { | |
1039 ori_scan = m_pOriDevice->GetBuffer() + m_pOriDevice->GetPitch() * y; | |
1040 } | |
1041 int Bpp = m_pDevice->GetBPP() / 8; | |
1042 FX_BOOL bDestAlpha = m_pDevice->HasAlpha() || m_pDevice->IsAlphaMask(); | |
1043 unsigned num_spans = sl.num_spans(); | |
1044 typename Scanline::const_iterator span = sl.begin(); | |
1045 while (1) { | |
1046 int x = span->x; | |
1047 ASSERT(span->len > 0); | |
1048 uint8_t* dest_pos = NULL; | |
1049 uint8_t* dest_extra_alpha_pos = NULL; | |
1050 uint8_t* ori_pos = NULL; | |
1051 if (Bpp) { | |
1052 ori_pos = ori_scan ? ori_scan + x * Bpp : NULL; | |
1053 dest_pos = dest_scan + x * Bpp; | |
1054 dest_extra_alpha_pos = | |
1055 dest_scan_extra_alpha ? dest_scan_extra_alpha + x : NULL; | |
1056 } else { | |
1057 dest_pos = dest_scan + x / 8; | |
1058 ori_pos = ori_scan ? ori_scan + x / 8 : NULL; | |
1059 } | |
1060 uint8_t* clip_pos = NULL; | |
1061 if (m_pClipMask) { | |
1062 clip_pos = m_pClipMask->GetBuffer() + | |
1063 (y - m_ClipBox.top) * m_pClipMask->GetPitch() + x - | |
1064 m_ClipBox.left; | |
1065 } | |
1066 if (ori_pos) { | |
1067 CompositeSpan(dest_pos, ori_pos, Bpp, bDestAlpha, x, span->len, | |
1068 span->covers, m_ClipBox.left, m_ClipBox.right, clip_pos); | |
1069 } else { | |
1070 (this->*composite_span)(dest_pos, Bpp, x, span->len, span->covers, | |
1071 m_ClipBox.left, m_ClipBox.right, clip_pos, | |
1072 dest_extra_alpha_pos); | |
1073 } | |
1074 if (--num_spans == 0) { | |
1075 break; | |
1076 } | |
1077 ++span; | |
1078 } | |
1079 } | |
1080 | |
1081 FX_BOOL Init(CFX_DIBitmap* pDevice, | |
1082 CFX_DIBitmap* pOriDevice, | |
1083 const CFX_ClipRgn* pClipRgn, | |
1084 FX_DWORD color, | |
1085 FX_BOOL bFullCover, | |
1086 FX_BOOL bRgbByteOrder, | |
1087 int alpha_flag = 0, | |
1088 void* pIccTransform = NULL) { | |
1089 m_pDevice = pDevice; | |
1090 m_pClipRgn = pClipRgn; | |
1091 composite_span = NULL; | |
1092 m_bRgbByteOrder = bRgbByteOrder; | |
1093 m_pOriDevice = pOriDevice; | |
1094 if (m_pClipRgn) { | |
1095 m_ClipBox = m_pClipRgn->GetBox(); | |
1096 } else { | |
1097 m_ClipBox.left = m_ClipBox.top = 0; | |
1098 m_ClipBox.right = m_pDevice->GetWidth(); | |
1099 m_ClipBox.bottom = m_pDevice->GetHeight(); | |
1100 } | |
1101 m_pClipMask = NULL; | |
1102 if (m_pClipRgn && m_pClipRgn->GetType() == CFX_ClipRgn::MaskF) { | |
1103 m_pClipMask = m_pClipRgn->GetMask(); | |
1104 } | |
1105 m_bFullCover = bFullCover; | |
1106 FX_BOOL bObjectCMYK = FXGETFLAG_COLORTYPE(alpha_flag); | |
1107 FX_BOOL bDeviceCMYK = pDevice->IsCmykImage(); | |
1108 m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color); | |
1109 ICodec_IccModule* pIccModule = NULL; | |
1110 if (!CFX_GEModule::Get()->GetCodecModule() || | |
1111 !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) { | |
1112 pIccTransform = NULL; | |
1113 } else { | |
1114 pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); | |
1115 } | |
1116 if (m_pDevice->GetBPP() == 8) { | |
1117 ASSERT(!m_bRgbByteOrder); | |
1118 composite_span = &CFX_Renderer::CompositeSpanGray; | |
1119 if (m_pDevice->IsAlphaMask()) { | |
1120 m_Gray = 255; | |
1121 } else { | |
1122 if (pIccTransform) { | |
1123 uint8_t gray; | |
1124 color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); | |
1125 pIccModule->TranslateScanline(pIccTransform, &gray, | |
1126 (const uint8_t*)&color, 1); | |
1127 m_Gray = gray; | |
1128 } else { | |
1129 if (bObjectCMYK) { | |
1130 uint8_t r, g, b; | |
1131 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), | |
1132 FXSYS_GetYValue(color), FXSYS_GetKValue(color), | |
1133 r, g, b); | |
1134 m_Gray = FXRGB2GRAY(r, g, b); | |
1135 } else { | |
1136 m_Gray = | |
1137 FXRGB2GRAY(FXARGB_R(color), FXARGB_G(color), FXARGB_B(color)); | |
1138 } | |
1139 } | |
1140 } | |
1141 return TRUE; | |
1142 } | |
1143 if (bDeviceCMYK) { | |
1144 ASSERT(!m_bRgbByteOrder); | |
1145 composite_span = &CFX_Renderer::CompositeSpanCMYK; | |
1146 if (bObjectCMYK) { | |
1147 m_Color = FXCMYK_TODIB(color); | |
1148 if (pIccTransform) { | |
1149 pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, | |
1150 (const uint8_t*)&m_Color, 1); | |
1151 } | |
1152 } else { | |
1153 if (!pIccTransform) { | |
1154 return FALSE; | |
1155 } | |
1156 color = FXARGB_TODIB(color); | |
1157 pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, | |
1158 (const uint8_t*)&color, 1); | |
1159 } | |
1160 m_Red = ((uint8_t*)&m_Color)[0]; | |
1161 m_Green = ((uint8_t*)&m_Color)[1]; | |
1162 m_Blue = ((uint8_t*)&m_Color)[2]; | |
1163 m_Gray = ((uint8_t*)&m_Color)[3]; | |
1164 } else { | |
1165 composite_span = (pDevice->GetFormat() == FXDIB_Argb) | |
1166 ? &CFX_Renderer::CompositeSpanARGB | |
1167 : &CFX_Renderer::CompositeSpanRGB; | |
1168 if (pIccTransform) { | |
1169 color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); | |
1170 pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, | |
1171 (const uint8_t*)&color, 1); | |
1172 ((uint8_t*)&m_Color)[3] = m_Alpha; | |
1173 m_Red = ((uint8_t*)&m_Color)[2]; | |
1174 m_Green = ((uint8_t*)&m_Color)[1]; | |
1175 m_Blue = ((uint8_t*)&m_Color)[0]; | |
1176 if (m_bRgbByteOrder) { | |
1177 m_Color = FXARGB_TODIB(m_Color); | |
1178 m_Color = FXARGB_TOBGRORDERDIB(m_Color); | |
1179 } | |
1180 } else { | |
1181 if (bObjectCMYK) { | |
1182 uint8_t r, g, b; | |
1183 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), | |
1184 FXSYS_GetYValue(color), FXSYS_GetKValue(color), r, | |
1185 g, b); | |
1186 m_Color = FXARGB_MAKE(m_Alpha, r, g, b); | |
1187 if (m_bRgbByteOrder) { | |
1188 m_Color = FXARGB_TOBGRORDERDIB(m_Color); | |
1189 } else { | |
1190 m_Color = FXARGB_TODIB(m_Color); | |
1191 } | |
1192 m_Red = r; | |
1193 m_Green = g; | |
1194 m_Blue = b; | |
1195 } else { | |
1196 if (m_bRgbByteOrder) { | |
1197 m_Color = FXARGB_TOBGRORDERDIB(color); | |
1198 } else { | |
1199 m_Color = FXARGB_TODIB(color); | |
1200 } | |
1201 ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue); | |
1202 } | |
1203 } | |
1204 } | |
1205 if (m_pDevice->GetBPP() == 1) { | |
1206 composite_span = &CFX_Renderer::CompositeSpan1bpp; | |
1207 } | |
1208 return TRUE; | |
1209 } | |
1210 }; | |
1211 | |
1212 FX_BOOL CFX_AggDeviceDriver::RenderRasterizer( | |
1213 agg::rasterizer_scanline_aa& rasterizer, | |
1214 FX_DWORD color, | |
1215 FX_BOOL bFullCover, | |
1216 FX_BOOL bGroupKnockout, | |
1217 int alpha_flag, | |
1218 void* pIccTransform) { | |
1219 CFX_DIBitmap* pt = bGroupKnockout ? m_pOriDevice : NULL; | |
1220 CFX_Renderer render; | |
1221 if (!render.Init(m_pBitmap, pt, m_pClipRgn, color, bFullCover, | |
1222 m_bRgbByteOrder, alpha_flag, pIccTransform)) { | |
1223 return FALSE; | |
1224 } | |
1225 agg::scanline_u8 scanline; | |
1226 agg::render_scanlines(rasterizer, scanline, render, | |
1227 (m_FillFlags & FXFILL_NOPATHSMOOTH) != 0); | |
1228 return TRUE; | |
1229 } | |
1230 | |
1231 FX_BOOL CFX_AggDeviceDriver::DrawPath(const CFX_PathData* pPathData, | |
1232 const CFX_Matrix* pObject2Device, | |
1233 const CFX_GraphStateData* pGraphState, | |
1234 FX_DWORD fill_color, | |
1235 FX_DWORD stroke_color, | |
1236 int fill_mode, | |
1237 int alpha_flag, | |
1238 void* pIccTransform, | |
1239 int blend_type) { | |
1240 if (blend_type != FXDIB_BLEND_NORMAL) { | |
1241 return FALSE; | |
1242 } | |
1243 if (!GetBuffer()) { | |
1244 return TRUE; | |
1245 } | |
1246 m_FillFlags = fill_mode; | |
1247 if ((fill_mode & 3) && fill_color) { | |
1248 CAgg_PathData path_data; | |
1249 path_data.BuildPath(pPathData, pObject2Device); | |
1250 agg::rasterizer_scanline_aa rasterizer; | |
1251 rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), | |
1252 (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); | |
1253 rasterizer.add_path(path_data.m_PathData); | |
1254 rasterizer.filling_rule((fill_mode & 3) == FXFILL_WINDING | |
1255 ? agg::fill_non_zero | |
1256 : agg::fill_even_odd); | |
1257 if (!RenderRasterizer(rasterizer, fill_color, fill_mode & FXFILL_FULLCOVER, | |
1258 FALSE, alpha_flag, pIccTransform)) { | |
1259 return FALSE; | |
1260 } | |
1261 } | |
1262 int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag) | |
1263 ? FXGETFLAG_ALPHA_STROKE(alpha_flag) | |
1264 : FXARGB_A(stroke_color); | |
1265 if (pGraphState && stroke_alpha) { | |
1266 if (fill_mode & FX_ZEROAREA_FILL) { | |
1267 CAgg_PathData path_data; | |
1268 path_data.BuildPath(pPathData, pObject2Device); | |
1269 agg::rasterizer_scanline_aa rasterizer; | |
1270 rasterizer.clip_box(0.0f, 0.0f, | |
1271 (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), | |
1272 (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); | |
1273 RasterizeStroke(rasterizer, path_data.m_PathData, NULL, pGraphState, 1, | |
1274 FALSE, fill_mode & FX_STROKE_TEXT_MODE); | |
1275 int fill_flag = FXGETFLAG_COLORTYPE(alpha_flag) << 8 | | |
1276 FXGETFLAG_ALPHA_STROKE(alpha_flag); | |
1277 if (!RenderRasterizer(rasterizer, stroke_color, | |
1278 fill_mode & FXFILL_FULLCOVER, m_bGroupKnockout, | |
1279 fill_flag, pIccTransform)) { | |
1280 return FALSE; | |
1281 } | |
1282 return TRUE; | |
1283 } | |
1284 CFX_Matrix matrix1, matrix2; | |
1285 if (pObject2Device) { | |
1286 matrix1.a = std::max(FXSYS_fabs(pObject2Device->a), | |
1287 FXSYS_fabs(pObject2Device->b)); | |
1288 matrix1.d = matrix1.a; | |
1289 matrix2.Set(pObject2Device->a / matrix1.a, pObject2Device->b / matrix1.a, | |
1290 pObject2Device->c / matrix1.d, pObject2Device->d / matrix1.d, | |
1291 0, 0); | |
1292 CFX_Matrix mtRervese; | |
1293 mtRervese.SetReverse(matrix2); | |
1294 matrix1 = *pObject2Device; | |
1295 matrix1.Concat(mtRervese); | |
1296 } | |
1297 CAgg_PathData path_data; | |
1298 path_data.BuildPath(pPathData, &matrix1); | |
1299 agg::rasterizer_scanline_aa rasterizer; | |
1300 rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)), | |
1301 (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); | |
1302 RasterizeStroke(rasterizer, path_data.m_PathData, &matrix2, pGraphState, | |
1303 matrix1.a, FALSE, fill_mode & FX_STROKE_TEXT_MODE); | |
1304 int fill_flag = FXGETFLAG_COLORTYPE(alpha_flag) << 8 | | |
1305 FXGETFLAG_ALPHA_STROKE(alpha_flag); | |
1306 if (!RenderRasterizer(rasterizer, stroke_color, | |
1307 fill_mode & FXFILL_FULLCOVER, m_bGroupKnockout, | |
1308 fill_flag, pIccTransform)) { | |
1309 return FALSE; | |
1310 } | |
1311 } | |
1312 return TRUE; | |
1313 } | |
1314 | |
1315 void RgbByteOrderSetPixel(CFX_DIBitmap* pBitmap, int x, int y, FX_DWORD argb) { | |
1316 if (x < 0 || x >= pBitmap->GetWidth() || y < 0 || y >= pBitmap->GetHeight()) { | |
1317 return; | |
1318 } | |
1319 uint8_t* pos = (uint8_t*)pBitmap->GetBuffer() + y * pBitmap->GetPitch() + | |
1320 x * pBitmap->GetBPP() / 8; | |
1321 if (pBitmap->GetFormat() == FXDIB_Argb) { | |
1322 FXARGB_SETRGBORDERDIB(pos, ArgbGamma(argb)); | |
1323 } else { | |
1324 int alpha = FXARGB_A(argb); | |
1325 pos[0] = (FXARGB_R(argb) * alpha + pos[0] * (255 - alpha)) / 255; | |
1326 pos[1] = (FXARGB_G(argb) * alpha + pos[1] * (255 - alpha)) / 255; | |
1327 pos[2] = (FXARGB_B(argb) * alpha + pos[2] * (255 - alpha)) / 255; | |
1328 } | |
1329 } | |
1330 | |
1331 void RgbByteOrderCompositeRect(CFX_DIBitmap* pBitmap, | |
1332 int left, | |
1333 int top, | |
1334 int width, | |
1335 int height, | |
1336 FX_ARGB argb) { | |
1337 int src_alpha = FXARGB_A(argb); | |
1338 if (src_alpha == 0) { | |
1339 return; | |
1340 } | |
1341 FX_RECT rect(left, top, left + width, top + height); | |
1342 rect.Intersect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight()); | |
1343 width = rect.Width(); | |
1344 int src_r = FXARGB_R(argb), src_g = FXARGB_G(argb), src_b = FXARGB_B(argb); | |
1345 int Bpp = pBitmap->GetBPP() / 8; | |
1346 FX_BOOL bAlpha = pBitmap->HasAlpha(); | |
1347 int dib_argb = FXARGB_TOBGRORDERDIB(argb); | |
1348 uint8_t* pBuffer = pBitmap->GetBuffer(); | |
1349 if (src_alpha == 255) { | |
1350 for (int row = rect.top; row < rect.bottom; row++) { | |
1351 uint8_t* dest_scan = | |
1352 pBuffer + row * pBitmap->GetPitch() + rect.left * Bpp; | |
1353 if (Bpp == 4) { | |
1354 FX_DWORD* scan = (FX_DWORD*)dest_scan; | |
1355 for (int col = 0; col < width; col++) { | |
1356 *scan++ = dib_argb; | |
1357 } | |
1358 } else { | |
1359 for (int col = 0; col < width; col++) { | |
1360 *dest_scan++ = src_r; | |
1361 *dest_scan++ = src_g; | |
1362 *dest_scan++ = src_b; | |
1363 } | |
1364 } | |
1365 } | |
1366 return; | |
1367 } | |
1368 src_r = FX_GAMMA(src_r); | |
1369 src_g = FX_GAMMA(src_g); | |
1370 src_b = FX_GAMMA(src_b); | |
1371 for (int row = rect.top; row < rect.bottom; row++) { | |
1372 uint8_t* dest_scan = pBuffer + row * pBitmap->GetPitch() + rect.left * Bpp; | |
1373 if (bAlpha) { | |
1374 for (int col = 0; col < width; col++) { | |
1375 uint8_t back_alpha = dest_scan[3]; | |
1376 if (back_alpha == 0) { | |
1377 FXARGB_SETRGBORDERDIB(dest_scan, | |
1378 FXARGB_MAKE(src_alpha, src_r, src_g, src_b)); | |
1379 dest_scan += 4; | |
1380 continue; | |
1381 } | |
1382 uint8_t dest_alpha = | |
1383 back_alpha + src_alpha - back_alpha * src_alpha / 255; | |
1384 dest_scan[3] = dest_alpha; | |
1385 int alpha_ratio = src_alpha * 255 / dest_alpha; | |
1386 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio); | |
1387 dest_scan++; | |
1388 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio); | |
1389 dest_scan++; | |
1390 *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio); | |
1391 dest_scan += 2; | |
1392 } | |
1393 } else { | |
1394 for (int col = 0; col < width; col++) { | |
1395 *dest_scan = FX_GAMMA_INVERSE( | |
1396 FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_r, src_alpha)); | |
1397 dest_scan++; | |
1398 *dest_scan = FX_GAMMA_INVERSE( | |
1399 FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_g, src_alpha)); | |
1400 dest_scan++; | |
1401 *dest_scan = FX_GAMMA_INVERSE( | |
1402 FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_b, src_alpha)); | |
1403 dest_scan++; | |
1404 if (Bpp == 4) { | |
1405 dest_scan++; | |
1406 } | |
1407 } | |
1408 } | |
1409 } | |
1410 } | |
1411 | |
1412 void RgbByteOrderTransferBitmap(CFX_DIBitmap* pBitmap, | |
1413 int dest_left, | |
1414 int dest_top, | |
1415 int width, | |
1416 int height, | |
1417 const CFX_DIBSource* pSrcBitmap, | |
1418 int src_left, | |
1419 int src_top) { | |
1420 if (!pBitmap) { | |
1421 return; | |
1422 } | |
1423 pBitmap->GetOverlapRect(dest_left, dest_top, width, height, | |
1424 pSrcBitmap->GetWidth(), pSrcBitmap->GetHeight(), | |
1425 src_left, src_top, NULL); | |
1426 if (width == 0 || height == 0) { | |
1427 return; | |
1428 } | |
1429 int Bpp = pBitmap->GetBPP() / 8; | |
1430 FXDIB_Format dest_format = pBitmap->GetFormat(); | |
1431 FXDIB_Format src_format = pSrcBitmap->GetFormat(); | |
1432 int pitch = pBitmap->GetPitch(); | |
1433 uint8_t* buffer = pBitmap->GetBuffer(); | |
1434 if (dest_format == src_format) { | |
1435 for (int row = 0; row < height; row++) { | |
1436 uint8_t* dest_scan = buffer + (dest_top + row) * pitch + dest_left * Bpp; | |
1437 uint8_t* src_scan = | |
1438 (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp; | |
1439 if (Bpp == 4) { | |
1440 for (int col = 0; col < width; col++) { | |
1441 FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_scan[3], src_scan[0], | |
1442 src_scan[1], src_scan[2])); | |
1443 dest_scan += 4; | |
1444 src_scan += 4; | |
1445 } | |
1446 } else { | |
1447 for (int col = 0; col < width; col++) { | |
1448 *dest_scan++ = src_scan[2]; | |
1449 *dest_scan++ = src_scan[1]; | |
1450 *dest_scan++ = src_scan[0]; | |
1451 src_scan += 3; | |
1452 } | |
1453 } | |
1454 } | |
1455 return; | |
1456 } | |
1457 uint8_t* dest_buf = buffer + dest_top * pitch + dest_left * Bpp; | |
1458 if (dest_format == FXDIB_Rgb) { | |
1459 if (src_format == FXDIB_Rgb32) { | |
1460 for (int row = 0; row < height; row++) { | |
1461 uint8_t* dest_scan = dest_buf + row * pitch; | |
1462 uint8_t* src_scan = | |
1463 (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * 4; | |
1464 for (int col = 0; col < width; col++) { | |
1465 *dest_scan++ = src_scan[2]; | |
1466 *dest_scan++ = src_scan[1]; | |
1467 *dest_scan++ = src_scan[0]; | |
1468 src_scan += 4; | |
1469 } | |
1470 } | |
1471 } else { | |
1472 ASSERT(FALSE); | |
1473 } | |
1474 } else if (dest_format == FXDIB_Argb || dest_format == FXDIB_Rgb32) { | |
1475 if (src_format == FXDIB_Rgb) { | |
1476 for (int row = 0; row < height; row++) { | |
1477 uint8_t* dest_scan = (uint8_t*)(dest_buf + row * pitch); | |
1478 uint8_t* src_scan = | |
1479 (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * 3; | |
1480 if (src_format == FXDIB_Argb) { | |
1481 for (int col = 0; col < width; col++) { | |
1482 FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, FX_GAMMA(src_scan[0]), | |
1483 FX_GAMMA(src_scan[1]), | |
1484 FX_GAMMA(src_scan[2]))); | |
1485 dest_scan += 4; | |
1486 src_scan += 3; | |
1487 } | |
1488 } else { | |
1489 for (int col = 0; col < width; col++) { | |
1490 FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[0], src_scan[1], | |
1491 src_scan[2])); | |
1492 dest_scan += 4; | |
1493 src_scan += 3; | |
1494 } | |
1495 } | |
1496 } | |
1497 } else if (src_format == FXDIB_Rgb32) { | |
1498 ASSERT(dest_format == FXDIB_Argb); | |
1499 for (int row = 0; row < height; row++) { | |
1500 uint8_t* dest_scan = dest_buf + row * pitch; | |
1501 uint8_t* src_scan = | |
1502 (uint8_t*)(pSrcBitmap->GetScanline(src_top + row) + src_left * 4); | |
1503 for (int col = 0; col < width; col++) { | |
1504 FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[0], src_scan[1], | |
1505 src_scan[2])); | |
1506 src_scan += 4; | |
1507 dest_scan += 4; | |
1508 } | |
1509 } | |
1510 } | |
1511 } else { | |
1512 ASSERT(FALSE); | |
1513 } | |
1514 } | |
1515 | |
1516 FX_ARGB _DefaultCMYK2ARGB(FX_CMYK cmyk, uint8_t alpha) { | |
1517 uint8_t r, g, b; | |
1518 AdobeCMYK_to_sRGB1(FXSYS_GetCValue(cmyk), FXSYS_GetMValue(cmyk), | |
1519 FXSYS_GetYValue(cmyk), FXSYS_GetKValue(cmyk), r, g, b); | |
1520 return ArgbEncode(alpha, r, g, b); | |
1521 } | |
1522 | |
1523 FX_BOOL _DibSetPixel(CFX_DIBitmap* pDevice, | |
1524 int x, | |
1525 int y, | |
1526 FX_DWORD color, | |
1527 int alpha_flag, | |
1528 void* pIccTransform) { | |
1529 FX_BOOL bObjCMYK = FXGETFLAG_COLORTYPE(alpha_flag); | |
1530 int alpha = bObjCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color); | |
1531 if (pIccTransform) { | |
1532 ICodec_IccModule* pIccModule = | |
1533 CFX_GEModule::Get()->GetCodecModule()->GetIccModule(); | |
1534 color = bObjCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); | |
1535 pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&color, | |
1536 (uint8_t*)&color, 1); | |
1537 color = bObjCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color); | |
1538 if (!pDevice->IsCmykImage()) { | |
1539 color = (color & 0xffffff) | (alpha << 24); | |
1540 } | |
1541 } else { | |
1542 if (pDevice->IsCmykImage()) { | |
1543 if (!bObjCMYK) { | |
1544 return FALSE; | |
1545 } | |
1546 } else { | |
1547 if (bObjCMYK) { | |
1548 color = _DefaultCMYK2ARGB(color, alpha); | |
1549 } | |
1550 } | |
1551 } | |
1552 pDevice->SetPixel(x, y, color); | |
1553 if (pDevice->m_pAlphaMask) { | |
1554 pDevice->m_pAlphaMask->SetPixel(x, y, alpha << 24); | |
1555 } | |
1556 return TRUE; | |
1557 } | |
1558 | |
1559 FX_BOOL CFX_AggDeviceDriver::SetPixel(int x, | |
1560 int y, | |
1561 FX_DWORD color, | |
1562 int alpha_flag, | |
1563 void* pIccTransform) { | |
1564 if (!m_pBitmap->GetBuffer()) { | |
1565 return TRUE; | |
1566 } | |
1567 if (!CFX_GEModule::Get()->GetCodecModule() || | |
1568 !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) { | |
1569 pIccTransform = NULL; | |
1570 } | |
1571 if (!m_pClipRgn) { | |
1572 if (m_bRgbByteOrder) { | |
1573 RgbByteOrderSetPixel(m_pBitmap, x, y, color); | |
1574 } else { | |
1575 return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform); | |
1576 } | |
1577 } else if (m_pClipRgn->GetBox().Contains(x, y)) { | |
1578 if (m_pClipRgn->GetType() == CFX_ClipRgn::RectI) { | |
1579 if (m_bRgbByteOrder) { | |
1580 RgbByteOrderSetPixel(m_pBitmap, x, y, color); | |
1581 } else { | |
1582 return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform); | |
1583 } | |
1584 } else if (m_pClipRgn->GetType() == CFX_ClipRgn::MaskF) { | |
1585 const CFX_DIBitmap* pMask = m_pClipRgn->GetMask(); | |
1586 FX_BOOL bCMYK = FXGETFLAG_COLORTYPE(alpha_flag); | |
1587 int new_alpha = | |
1588 bCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color); | |
1589 new_alpha = new_alpha * pMask->GetScanline(y)[x] / 255; | |
1590 if (m_bRgbByteOrder) { | |
1591 RgbByteOrderSetPixel(m_pBitmap, x, y, | |
1592 (color & 0xffffff) | (new_alpha << 24)); | |
1593 return TRUE; | |
1594 } | |
1595 if (bCMYK) { | |
1596 FXSETFLAG_ALPHA_FILL(alpha_flag, new_alpha); | |
1597 } else { | |
1598 color = (color & 0xffffff) | (new_alpha << 24); | |
1599 } | |
1600 return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform); | |
1601 } | |
1602 } | |
1603 return TRUE; | |
1604 } | |
1605 | |
1606 FX_BOOL CFX_AggDeviceDriver::FillRect(const FX_RECT* pRect, | |
1607 FX_DWORD fill_color, | |
1608 int alpha_flag, | |
1609 void* pIccTransform, | |
1610 int blend_type) { | |
1611 if (blend_type != FXDIB_BLEND_NORMAL) { | |
1612 return FALSE; | |
1613 } | |
1614 if (!m_pBitmap->GetBuffer()) { | |
1615 return TRUE; | |
1616 } | |
1617 FX_RECT clip_rect; | |
1618 GetClipBox(&clip_rect); | |
1619 FX_RECT draw_rect = clip_rect; | |
1620 if (pRect) { | |
1621 draw_rect.Intersect(*pRect); | |
1622 } | |
1623 if (draw_rect.IsEmpty()) { | |
1624 return TRUE; | |
1625 } | |
1626 if (!m_pClipRgn || m_pClipRgn->GetType() == CFX_ClipRgn::RectI) { | |
1627 if (m_bRgbByteOrder) { | |
1628 RgbByteOrderCompositeRect(m_pBitmap, draw_rect.left, draw_rect.top, | |
1629 draw_rect.Width(), draw_rect.Height(), | |
1630 fill_color); | |
1631 } else { | |
1632 m_pBitmap->CompositeRect(draw_rect.left, draw_rect.top, draw_rect.Width(), | |
1633 draw_rect.Height(), fill_color, alpha_flag, | |
1634 pIccTransform); | |
1635 } | |
1636 return TRUE; | |
1637 } | |
1638 m_pBitmap->CompositeMask( | |
1639 draw_rect.left, draw_rect.top, draw_rect.Width(), draw_rect.Height(), | |
1640 (const CFX_DIBitmap*)m_pClipRgn->GetMask(), fill_color, | |
1641 draw_rect.left - clip_rect.left, draw_rect.top - clip_rect.top, | |
1642 FXDIB_BLEND_NORMAL, NULL, m_bRgbByteOrder, alpha_flag, pIccTransform); | |
1643 return TRUE; | |
1644 } | |
1645 | |
1646 FX_BOOL CFX_AggDeviceDriver::GetClipBox(FX_RECT* pRect) { | |
1647 if (!m_pClipRgn) { | |
1648 pRect->left = pRect->top = 0; | |
1649 pRect->right = GetDeviceCaps(FXDC_PIXEL_WIDTH); | |
1650 pRect->bottom = GetDeviceCaps(FXDC_PIXEL_HEIGHT); | |
1651 return TRUE; | |
1652 } | |
1653 *pRect = m_pClipRgn->GetBox(); | |
1654 return TRUE; | |
1655 } | |
1656 | |
1657 FX_BOOL CFX_AggDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap, | |
1658 int left, | |
1659 int top, | |
1660 void* pIccTransform, | |
1661 FX_BOOL bDEdge) { | |
1662 if (!m_pBitmap->GetBuffer()) { | |
1663 return TRUE; | |
1664 } | |
1665 if (bDEdge) { | |
1666 if (m_bRgbByteOrder) { | |
1667 RgbByteOrderTransferBitmap(pBitmap, 0, 0, pBitmap->GetWidth(), | |
1668 pBitmap->GetHeight(), m_pBitmap, left, top); | |
1669 } else { | |
1670 return pBitmap->TransferBitmap(0, 0, pBitmap->GetWidth(), | |
1671 pBitmap->GetHeight(), m_pBitmap, left, top, | |
1672 pIccTransform); | |
1673 } | |
1674 return TRUE; | |
1675 } | |
1676 FX_RECT rect(left, top, left + pBitmap->GetWidth(), | |
1677 top + pBitmap->GetHeight()); | |
1678 CFX_DIBitmap* pBack = NULL; | |
1679 if (m_pOriDevice) { | |
1680 pBack = m_pOriDevice->Clone(&rect); | |
1681 if (!pBack) { | |
1682 return TRUE; | |
1683 } | |
1684 pBack->CompositeBitmap(0, 0, pBack->GetWidth(), pBack->GetHeight(), | |
1685 m_pBitmap, 0, 0); | |
1686 } else { | |
1687 pBack = m_pBitmap->Clone(&rect); | |
1688 } | |
1689 if (!pBack) { | |
1690 return TRUE; | |
1691 } | |
1692 FX_BOOL bRet = TRUE; | |
1693 left = left >= 0 ? 0 : left; | |
1694 top = top >= 0 ? 0 : top; | |
1695 if (m_bRgbByteOrder) { | |
1696 RgbByteOrderTransferBitmap(pBitmap, 0, 0, rect.Width(), rect.Height(), | |
1697 pBack, left, top); | |
1698 } else { | |
1699 bRet = pBitmap->TransferBitmap(0, 0, rect.Width(), rect.Height(), pBack, | |
1700 left, top, pIccTransform); | |
1701 } | |
1702 delete pBack; | |
1703 return bRet; | |
1704 } | |
1705 | |
1706 FX_BOOL CFX_AggDeviceDriver::SetDIBits(const CFX_DIBSource* pBitmap, | |
1707 FX_DWORD argb, | |
1708 const FX_RECT* pSrcRect, | |
1709 int left, | |
1710 int top, | |
1711 int blend_type, | |
1712 int alpha_flag, | |
1713 void* pIccTransform) { | |
1714 if (!m_pBitmap->GetBuffer()) { | |
1715 return TRUE; | |
1716 } | |
1717 if (pBitmap->IsAlphaMask()) | |
1718 return m_pBitmap->CompositeMask( | |
1719 left, top, pSrcRect->Width(), pSrcRect->Height(), pBitmap, argb, | |
1720 pSrcRect->left, pSrcRect->top, blend_type, m_pClipRgn, m_bRgbByteOrder, | |
1721 alpha_flag, pIccTransform); | |
1722 return m_pBitmap->CompositeBitmap( | |
1723 left, top, pSrcRect->Width(), pSrcRect->Height(), pBitmap, pSrcRect->left, | |
1724 pSrcRect->top, blend_type, m_pClipRgn, m_bRgbByteOrder, pIccTransform); | |
1725 } | |
1726 | |
1727 FX_BOOL CFX_AggDeviceDriver::StretchDIBits(const CFX_DIBSource* pSource, | |
1728 FX_DWORD argb, | |
1729 int dest_left, | |
1730 int dest_top, | |
1731 int dest_width, | |
1732 int dest_height, | |
1733 const FX_RECT* pClipRect, | |
1734 FX_DWORD flags, | |
1735 int alpha_flag, | |
1736 void* pIccTransform, | |
1737 int blend_type) { | |
1738 if (!m_pBitmap->GetBuffer()) { | |
1739 return TRUE; | |
1740 } | |
1741 if (dest_width == pSource->GetWidth() && | |
1742 dest_height == pSource->GetHeight()) { | |
1743 FX_RECT rect(0, 0, dest_width, dest_height); | |
1744 return SetDIBits(pSource, argb, &rect, dest_left, dest_top, blend_type, | |
1745 alpha_flag, pIccTransform); | |
1746 } | |
1747 FX_RECT dest_rect(dest_left, dest_top, dest_left + dest_width, | |
1748 dest_top + dest_height); | |
1749 dest_rect.Normalize(); | |
1750 FX_RECT dest_clip = dest_rect; | |
1751 dest_clip.Intersect(*pClipRect); | |
1752 CFX_BitmapComposer composer; | |
1753 composer.Compose(m_pBitmap, m_pClipRgn, 255, argb, dest_clip, FALSE, FALSE, | |
1754 FALSE, m_bRgbByteOrder, alpha_flag, pIccTransform, | |
1755 blend_type); | |
1756 dest_clip.Offset(-dest_rect.left, -dest_rect.top); | |
1757 CFX_ImageStretcher stretcher; | |
1758 if (stretcher.Start(&composer, pSource, dest_width, dest_height, dest_clip, | |
1759 flags)) { | |
1760 stretcher.Continue(NULL); | |
1761 } | |
1762 return TRUE; | |
1763 } | |
1764 | |
1765 FX_BOOL CFX_AggDeviceDriver::StartDIBits(const CFX_DIBSource* pSource, | |
1766 int bitmap_alpha, | |
1767 FX_DWORD argb, | |
1768 const CFX_Matrix* pMatrix, | |
1769 FX_DWORD render_flags, | |
1770 void*& handle, | |
1771 int alpha_flag, | |
1772 void* pIccTransform, | |
1773 int blend_type) { | |
1774 if (!m_pBitmap->GetBuffer()) { | |
1775 return TRUE; | |
1776 } | |
1777 CFX_ImageRenderer* pRenderer = new CFX_ImageRenderer; | |
1778 pRenderer->Start(m_pBitmap, m_pClipRgn, pSource, bitmap_alpha, argb, pMatrix, | |
1779 render_flags, m_bRgbByteOrder, alpha_flag, pIccTransform); | |
1780 handle = pRenderer; | |
1781 return TRUE; | |
1782 } | |
1783 | |
1784 FX_BOOL CFX_AggDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) { | |
1785 if (!m_pBitmap->GetBuffer()) { | |
1786 return TRUE; | |
1787 } | |
1788 return ((CFX_ImageRenderer*)pHandle)->Continue(pPause); | |
1789 } | |
1790 | |
1791 void CFX_AggDeviceDriver::CancelDIBits(void* pHandle) { | |
1792 if (!m_pBitmap->GetBuffer()) { | |
1793 return; | |
1794 } | |
1795 delete (CFX_ImageRenderer*)pHandle; | |
1796 } | |
1797 | |
1798 CFX_FxgeDevice::CFX_FxgeDevice() { | |
1799 m_bOwnedBitmap = FALSE; | |
1800 } | |
1801 | |
1802 bool CFX_FxgeDevice::Attach(CFX_DIBitmap* pBitmap, | |
1803 int dither_bits, | |
1804 bool bRgbByteOrder, | |
1805 CFX_DIBitmap* pOriDevice, | |
1806 bool bGroupKnockout) { | |
1807 if (!pBitmap) { | |
1808 return false; | |
1809 } | |
1810 SetBitmap(pBitmap); | |
1811 IFX_RenderDeviceDriver* pDriver = new CFX_AggDeviceDriver( | |
1812 pBitmap, dither_bits, bRgbByteOrder, pOriDevice, bGroupKnockout); | |
1813 SetDeviceDriver(pDriver); | |
1814 return true; | |
1815 } | |
1816 | |
1817 bool CFX_FxgeDevice::Create(int width, | |
1818 int height, | |
1819 FXDIB_Format format, | |
1820 int dither_bits, | |
1821 CFX_DIBitmap* pOriDevice) { | |
1822 m_bOwnedBitmap = true; | |
1823 CFX_DIBitmap* pBitmap = new CFX_DIBitmap; | |
1824 if (!pBitmap->Create(width, height, format)) { | |
1825 delete pBitmap; | |
1826 return false; | |
1827 } | |
1828 SetBitmap(pBitmap); | |
1829 IFX_RenderDeviceDriver* pDriver = | |
1830 new CFX_AggDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE); | |
1831 SetDeviceDriver(pDriver); | |
1832 return true; | |
1833 } | |
1834 | |
1835 CFX_FxgeDevice::~CFX_FxgeDevice() { | |
1836 if (m_bOwnedBitmap) { | |
1837 delete GetBitmap(); | |
1838 } | |
1839 } | |
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