OLD | NEW |
1 // Copyright 2014 PDFium Authors. All rights reserved. | 1 // Copyright 2014 PDFium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #include "core/include/fxge/fx_ge.h" | 5 #include "core/include/fxge/fx_ge.h" |
6 | 6 |
7 #if defined(_SKIA_SUPPORT_) | 7 #if defined(_SKIA_SUPPORT_) |
8 #include "core/include/fxcodec/fx_codec.h" | 8 #include "core/include/fxcodec/fx_codec.h" |
9 | 9 |
10 #include "SkDashPathEffect.h" | |
11 #include "SkRasterClip.h" | |
12 #include "SkScan.h" | |
13 #include "SkStroke.h" | |
14 #include "SkTLazy.h" | |
15 | |
16 #include "core/src/fxge/agg/include/fx_agg_driver.h" | 10 #include "core/src/fxge/agg/include/fx_agg_driver.h" |
17 #include "core/src/fxge/skia/fx_skia_blitter_new.h" | |
18 #include "core/src/fxge/skia/fx_skia_device.h" | 11 #include "core/src/fxge/skia/fx_skia_device.h" |
19 | 12 |
20 extern "C" { | 13 #include "SkCanvas.h" |
21 extern void FX_OUTPUT_LOG_FUNC(const char*, ...); | 14 #include "SkDashPathEffect.h" |
22 extern int FX_GET_TICK_FUNC(); | 15 #include "SkPaint.h" |
23 }; | 16 #include "SkPath.h" |
24 | 17 |
25 #ifdef _FOXIT_DEBUG_ | 18 static SkPath BuildPath(const CFX_PathData* pPathData, |
26 #define FOXIT_DEBUG1(msg) FX_OUTPUT_LOG_FUNC(msg) | 19 const CFX_Matrix* pObject2Device) { |
27 #define FOXIT_DEBUG2(msg, para) FX_OUTPUT_LOG_FUNC(msg, para) | 20 SkPath skPath; |
28 #define FOXIT_DEBUG3(msg, para1, para2) FX_OUTPUT_LOG_FUNC(msg, para1, para2) | |
29 #define FOXIT_DEBUG4(msg, para1, para2, para3) \ | |
30 FX_OUTPUT_LOG_FUNC(msg, para1, para2, para3) | |
31 #define FOXIT_DEBUG5(msg, para1, para2, para3, param4) \ | |
32 FX_OUTPUT_LOG_FUNC(msg, para1, para2, para3, param4) | |
33 #else | |
34 #define FOXIT_DEBUG1(msg) | |
35 #define FOXIT_DEBUG2(msg, para) | |
36 #define FOXIT_DEBUG3(msg, para1, para2) | |
37 #define FOXIT_DEBUG4(msg, para1, para2, para3) | |
38 #define FOXIT_DEBUG5(msg, para1, para2, para3, param4) | |
39 #endif | |
40 | |
41 /// Run-length-encoded supersampling antialiased blitter. | |
42 class SuperBlitter_skia { | |
43 public: | |
44 static void DrawPath(const SkPath& srcPath, | |
45 SkBlitter* blitter, | |
46 const SkRasterClip& rect, | |
47 const SkPaint& origPaint); | |
48 }; | |
49 FX_BOOL FxSkDrawTreatAsHairline(const SkPaint& paint, SkScalar* coverage) { | |
50 if (SkPaint::kStroke_Style != paint.getStyle()) | |
51 return FALSE; | |
52 FXSYS_assert(coverage); | |
53 SkScalar strokeWidth = paint.getStrokeWidth(); | |
54 if (0 == strokeWidth) { | |
55 *coverage = SK_Scalar1; | |
56 return TRUE; | |
57 } | |
58 // if we get here, we need to try to fake a thick-stroke with a modulated | |
59 // hairline | |
60 if (!paint.isAntiAlias()) | |
61 return FALSE; | |
62 if (strokeWidth <= SK_Scalar1) { | |
63 *coverage = strokeWidth; | |
64 return TRUE; | |
65 } | |
66 return FALSE; | |
67 } | |
68 | |
69 void SuperBlitter_skia::DrawPath(const SkPath& srcPath, | |
70 SkBlitter* blitter, | |
71 const SkRasterClip& rect, | |
72 const SkPaint& origPaint) { | |
73 SkPath* pathPtr = (SkPath*)&srcPath; | |
74 bool doFill = true; | |
75 SkPath tmpPath; | |
76 SkTCopyOnFirstWrite<SkPaint> paint(origPaint); | |
77 { | |
78 SkScalar coverage; | |
79 if (FxSkDrawTreatAsHairline(origPaint, &coverage)) { | |
80 if (SK_Scalar1 == coverage) { | |
81 paint.writable()->setStrokeWidth(0); | |
82 } else if (1) { // xfermodeSupportsCoverageAsAlpha(xfer), we not use | |
83 // blend mode here, xfer aways NULL. | |
84 U8CPU newAlpha; | |
85 // this is the old technique, which we preserve for now so | |
86 // we don't change previous results (testing) | |
87 // the new way seems fine, its just (a tiny bit) different | |
88 int scale = (int)SkScalarMul(coverage, 256); | |
89 newAlpha = origPaint.getAlpha() * scale >> 8; | |
90 SkPaint* writablePaint = paint.writable(); | |
91 writablePaint->setStrokeWidth(0); | |
92 writablePaint->setAlpha(newAlpha); | |
93 } | |
94 } | |
95 } | |
96 if (paint->getPathEffect() || paint->getStyle() != SkPaint::kFill_Style) { | |
97 SkIRect devBounds = rect.getBounds(); | |
98 // outset to have slop for antialasing and hairlines | |
99 devBounds.outset(1, 1); | |
100 SkRect cullRect = SkRect::Make(devBounds); | |
101 doFill = paint->getFillPath(*pathPtr, &tmpPath, &cullRect); | |
102 pathPtr = &tmpPath; | |
103 } | |
104 // avoid possibly allocating a new path in transform if we can | |
105 SkPath* devPathPtr = pathPtr; | |
106 void (*proc)(const SkPath&, const SkRasterClip&, SkBlitter*); | |
107 if (doFill) { | |
108 if (paint->isAntiAlias()) { | |
109 proc = SkScan::AntiFillPath; | |
110 } else { | |
111 proc = SkScan::FillPath; | |
112 } | |
113 } else { // hairline | |
114 if (paint->isAntiAlias()) { | |
115 proc = SkScan::AntiHairPath; | |
116 } else { | |
117 proc = SkScan::HairPath; | |
118 } | |
119 } | |
120 proc(*devPathPtr, rect, blitter); | |
121 } | |
122 | |
123 class CSkia_PathData { | |
124 public: | |
125 CSkia_PathData() {} | |
126 ~CSkia_PathData() {} | |
127 SkPath m_PathData; | |
128 | |
129 void BuildPath(const CFX_PathData* pPathData, | |
130 const CFX_Matrix* pObject2Device); | |
131 }; | |
132 | |
133 void CSkia_PathData::BuildPath(const CFX_PathData* pPathData, | |
134 const CFX_Matrix* pObject2Device) { | |
135 const CFX_PathData* pFPath = pPathData; | 21 const CFX_PathData* pFPath = pPathData; |
136 int nPoints = pFPath->GetPointCount(); | 22 int nPoints = pFPath->GetPointCount(); |
137 FX_PATHPOINT* pPoints = pFPath->GetPoints(); | 23 FX_PATHPOINT* pPoints = pFPath->GetPoints(); |
138 for (int i = 0; i < nPoints; i++) { | 24 for (int i = 0; i < nPoints; i++) { |
139 FX_FIXFLOAT x = pPoints[i].m_PointX, y = pPoints[i].m_PointY; | 25 FX_FLOAT x = pPoints[i].m_PointX; |
| 26 FX_FLOAT y = pPoints[i].m_PointY; |
140 if (pObject2Device) | 27 if (pObject2Device) |
141 pObject2Device->Transform(x, y); | 28 pObject2Device->Transform(x, y); |
142 int point_type = pPoints[i].m_Flag & FXPT_TYPE; | 29 int point_type = pPoints[i].m_Flag & FXPT_TYPE; |
143 if (point_type == FXPT_MOVETO) { | 30 if (point_type == FXPT_MOVETO) { |
144 m_PathData.moveTo(x, y); | 31 skPath.moveTo(x, y); |
145 } else if (point_type == FXPT_LINETO) { | 32 } else if (point_type == FXPT_LINETO) { |
146 if (pPoints[i - 1].m_Flag == FXPT_MOVETO && | 33 skPath.lineTo(x, y); |
147 (i == nPoints - 1 || pPoints[i + 1].m_Flag == FXPT_MOVETO) && | |
148 FXSYS_abs(pPoints[i].m_PointX - pPoints[i - 1].m_PointX) < 0.4f && | |
149 FXSYS_abs(pPoints[i].m_PointY - pPoints[i - 1].m_PointY) < 0.4f) | |
150 // PDF line includes the destination point, unlike Windows line. | |
151 // We received some PDF which actually draws zero length lines. TESTDOC: | |
152 // summer cha show.pdf | |
153 // Therefore, we have to extend the line by 0.4 pixel here. | |
154 // But only for standalone segment. TESTDOC: bug #1434 - maze.pdf; | |
155 // TESTDOC: bug#1508 di704P_QIG_111.pdf | |
156 x += 0.4; | |
157 // TODO: we should actually tell skia vertex generator to process zero | |
158 // length stroked line | |
159 // (only butts are drawn) | |
160 m_PathData.lineTo(x, y); | |
161 } else if (point_type == FXPT_BEZIERTO) { | 34 } else if (point_type == FXPT_BEZIERTO) { |
162 FX_FIXFLOAT x2 = pPoints[i + 1].m_PointX, y2 = pPoints[i + 1].m_PointY; | 35 FX_FLOAT x2 = pPoints[i + 1].m_PointX, y2 = pPoints[i + 1].m_PointY; |
163 FX_FIXFLOAT x3 = pPoints[i + 2].m_PointX, y3 = pPoints[i + 2].m_PointY; | 36 FX_FLOAT x3 = pPoints[i + 2].m_PointX, y3 = pPoints[i + 2].m_PointY; |
164 if (pObject2Device) { | 37 if (pObject2Device) { |
165 pObject2Device->Transform(x2, y2); | 38 pObject2Device->Transform(x2, y2); |
166 pObject2Device->Transform(x3, y3); | 39 pObject2Device->Transform(x3, y3); |
167 } | 40 } |
168 m_PathData.cubicTo(x, y, x2, y2, x3, y3); | 41 skPath.cubicTo(x, y, x2, y2, x3, y3); |
169 i += 2; | 42 i += 2; |
170 } | 43 } |
171 if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) | 44 if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) |
172 m_PathData.close(); | 45 skPath.close(); |
173 } | 46 } |
| 47 return skPath; |
174 } | 48 } |
175 | 49 |
176 // convert a stroking path to scanlines | 50 // convert a stroking path to scanlines |
177 static void SkRasterizeStroke(SkPaint& spaint, | 51 void CFX_SkiaDeviceDriver::PaintStroke(SkPaint* spaint, |
178 SkPath* dstPathData, | 52 const CFX_GraphStateData* pGraphState) { |
179 SkPath& path_data, | |
180 const CFX_Matrix* pObject2Device, | |
181 const CFX_GraphStateData* pGraphState, | |
182 FX_FIXFLOAT scale = FIX8_ONE, | |
183 FX_BOOL bStrokeAdjust = FALSE, | |
184 FX_BOOL bTextMode = FALSE) { | |
185 SkPaint::Cap cap; | 53 SkPaint::Cap cap; |
186 switch (pGraphState->m_LineCap) { | 54 switch (pGraphState->m_LineCap) { |
187 case CFX_GraphStateData::LineCapRound: | 55 case CFX_GraphStateData::LineCapRound: |
188 cap = SkPaint::kRound_Cap; | 56 cap = SkPaint::kRound_Cap; |
189 break; | 57 break; |
190 case CFX_GraphStateData::LineCapSquare: | 58 case CFX_GraphStateData::LineCapSquare: |
191 cap = SkPaint::kSquare_Cap; | 59 cap = SkPaint::kSquare_Cap; |
192 break; | 60 break; |
193 default: | 61 default: |
194 cap = SkPaint::kButt_Cap; | 62 cap = SkPaint::kButt_Cap; |
195 break; | 63 break; |
196 } | 64 } |
197 SkPaint::Join join; | 65 SkPaint::Join join; |
198 switch (pGraphState->m_LineJoin) { | 66 switch (pGraphState->m_LineJoin) { |
199 case CFX_GraphStateData::LineJoinRound: | 67 case CFX_GraphStateData::LineJoinRound: |
200 join = SkPaint::kRound_Join; | 68 join = SkPaint::kRound_Join; |
201 break; | 69 break; |
202 case CFX_GraphStateData::LineJoinBevel: | 70 case CFX_GraphStateData::LineJoinBevel: |
203 join = SkPaint::kBevel_Join; | 71 join = SkPaint::kBevel_Join; |
204 break; | 72 break; |
205 default: | 73 default: |
206 join = SkPaint::kMiter_Join; | 74 join = SkPaint::kMiter_Join; |
207 break; | 75 break; |
208 } | 76 } |
209 FX_FIXFLOAT width = pGraphState->m_LineWidth * scale; | 77 FX_FLOAT width = pGraphState->m_LineWidth; |
210 FX_FIXFLOAT unit = fix32_to_8(fixdiv_8_8_to_32( | |
211 FIX8_ONE, (pObject2Device->GetXUnit() + pObject2Device->GetYUnit()) / 2)); | |
212 if (width <= unit) | |
213 width = unit; | |
214 | 78 |
215 if (pGraphState->m_DashArray) { | 79 if (pGraphState->m_DashArray) { |
216 int count = (pGraphState->m_DashCount + 1) / 2; | 80 int count = (pGraphState->m_DashCount + 1) / 2; |
217 SkScalar* intervals = FX_Alloc2D(SkScalar, count, sizeof(SkScalar)); | 81 SkScalar* intervals = FX_Alloc2D(SkScalar, count, sizeof(SkScalar)); |
218 // Set dash pattern | 82 // Set dash pattern |
219 for (int i = 0; i < count; i++) { | 83 for (int i = 0; i < count; i++) { |
220 FX_FIXFLOAT on = pGraphState->m_DashArray[i * 2]; | 84 FX_FLOAT on = pGraphState->m_DashArray[i * 2]; |
221 if (on <= 0.000001f) | 85 if (on <= 0.000001f) |
222 on = FIX8_ONE / 10; | 86 on = 1.f / 10; |
223 FX_FIXFLOAT off = i * 2 + 1 == pGraphState->m_DashCount | 87 FX_FLOAT off = i * 2 + 1 == pGraphState->m_DashCount |
224 ? on | 88 ? on |
225 : pGraphState->m_DashArray[i * 2 + 1]; | 89 : pGraphState->m_DashArray[i * 2 + 1]; |
226 if (off < 0) | 90 if (off < 0) |
227 off = 0; | 91 off = 0; |
228 intervals[i * 2] = on * scale; | 92 intervals[i * 2] = on; |
229 intervals[i * 2 + 1] = off * scale; | 93 intervals[i * 2 + 1] = off; |
230 } | 94 } |
231 SkDashPathEffect* pEffect = new SkDashPathEffect( | 95 spaint |
232 intervals, count * 2, pGraphState->m_DashPhase * scale); | 96 ->setPathEffect(SkDashPathEffect::Create(intervals, count * 2, |
233 spaint.setPathEffect(pEffect)->unref(); | 97 pGraphState->m_DashPhase)) |
234 spaint.setStrokeWidth(width); | 98 ->unref(); |
235 spaint.setStrokeMiter(pGraphState->m_MiterLimit); | |
236 spaint.setStrokeCap(cap); | |
237 spaint.setStrokeJoin(join); | |
238 spaint.getFillPath(path_data, dstPathData); | |
239 SkMatrix smatrix; | |
240 smatrix.setAll(pObject2Device->a, pObject2Device->c, pObject2Device->e, | |
241 pObject2Device->b, pObject2Device->d, pObject2Device->f, 0, | |
242 0, 1); | |
243 dstPathData->transform(smatrix); | |
244 FX_Free(intervals); | |
245 } else { | |
246 SkStroke stroker; | |
247 stroker.setCap(cap); | |
248 stroker.setJoin(join); | |
249 stroker.setMiterLimit(pGraphState->m_MiterLimit); | |
250 stroker.setWidth(width); | |
251 stroker.setDoFill(FALSE); | |
252 stroker.strokePath(path_data, dstPathData); | |
253 SkMatrix smatrix; | |
254 smatrix.setAll(pObject2Device->a, pObject2Device->c, pObject2Device->e, | |
255 pObject2Device->b, pObject2Device->d, pObject2Device->f, 0, | |
256 0, 1); | |
257 dstPathData->transform(smatrix); | |
258 } | 99 } |
| 100 spaint->setStyle(SkPaint::kStroke_Style); |
| 101 spaint->setAntiAlias(TRUE); |
| 102 spaint->setStrokeWidth(width); |
| 103 spaint->setStrokeMiter(pGraphState->m_MiterLimit); |
| 104 spaint->setStrokeCap(cap); |
| 105 spaint->setStrokeJoin(join); |
259 } | 106 } |
260 | 107 |
261 CFX_SkiaDeviceDriver::CFX_SkiaDeviceDriver(CFX_DIBitmap* pBitmap, | 108 CFX_SkiaDeviceDriver::CFX_SkiaDeviceDriver(CFX_DIBitmap* pBitmap, |
262 int dither_bits, | 109 int dither_bits, |
263 FX_BOOL bRgbByteOrder, | 110 FX_BOOL bRgbByteOrder, |
264 CFX_DIBitmap* pOriDevice, | 111 CFX_DIBitmap* pOriDevice, |
265 FX_BOOL bGroupKnockout) { | 112 FX_BOOL bGroupKnockout) { |
266 m_pAggDriver = new CFX_AggDeviceDriver(pBitmap, dither_bits, bRgbByteOrder, | 113 m_pAggDriver = new CFX_AggDeviceDriver(pBitmap, dither_bits, bRgbByteOrder, |
267 pOriDevice, bGroupKnockout); | 114 pOriDevice, bGroupKnockout); |
| 115 SkBitmap skBitmap; |
| 116 const CFX_DIBitmap* bitmap = m_pAggDriver->m_pBitmap; |
| 117 SkImageInfo imageInfo = |
| 118 SkImageInfo::Make(bitmap->GetWidth(), bitmap->GetHeight(), |
| 119 kN32_SkColorType, kOpaque_SkAlphaType); |
| 120 skBitmap.installPixels(imageInfo, bitmap->GetBuffer(), bitmap->GetPitch(), |
| 121 nullptr, /* to do : set color table */ |
| 122 nullptr, nullptr); |
| 123 m_canvas = new SkCanvas(skBitmap); |
268 } | 124 } |
| 125 |
269 CFX_SkiaDeviceDriver::~CFX_SkiaDeviceDriver() { | 126 CFX_SkiaDeviceDriver::~CFX_SkiaDeviceDriver() { |
| 127 #if 0 // TODO(caryclark) : mismatch on allocator ? |
| 128 delete m_canvas; |
| 129 #endif |
270 delete m_pAggDriver; | 130 delete m_pAggDriver; |
271 } | 131 } |
| 132 |
272 FX_BOOL CFX_SkiaDeviceDriver::DrawDeviceText(int nChars, | 133 FX_BOOL CFX_SkiaDeviceDriver::DrawDeviceText(int nChars, |
273 const FXTEXT_CHARPOS* pCharPos, | 134 const FXTEXT_CHARPOS* pCharPos, |
274 CFX_Font* pFont, | 135 CFX_Font* pFont, |
275 CFX_FontCache* pCache, | 136 CFX_FontCache* pCache, |
276 const CFX_Matrix* pObject2Device, | 137 const CFX_Matrix* pObject2Device, |
277 FX_FIXFLOAT font_size, | 138 FX_FLOAT font_size, |
278 FX_DWORD color, | 139 FX_DWORD color, |
279 int alpha_flag, | 140 int alpha_flag, |
280 void* pIccTransform) { | 141 void* pIccTransform) { |
281 return m_pAggDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache, | 142 return m_pAggDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache, |
282 pObject2Device, font_size, color, | 143 pObject2Device, font_size, color, |
283 alpha_flag, pIccTransform); | 144 alpha_flag, pIccTransform); |
284 } | 145 } |
| 146 |
285 int CFX_SkiaDeviceDriver::GetDeviceCaps(int caps_id) { | 147 int CFX_SkiaDeviceDriver::GetDeviceCaps(int caps_id) { |
286 return m_pAggDriver->GetDeviceCaps(caps_id); | 148 return m_pAggDriver->GetDeviceCaps(caps_id); |
287 } | 149 } |
| 150 |
288 void CFX_SkiaDeviceDriver::SaveState() { | 151 void CFX_SkiaDeviceDriver::SaveState() { |
| 152 m_canvas->save(); |
289 m_pAggDriver->SaveState(); | 153 m_pAggDriver->SaveState(); |
290 } | 154 } |
291 | 155 |
292 void CFX_SkiaDeviceDriver::RestoreState(FX_BOOL bKeepSaved) { | 156 void CFX_SkiaDeviceDriver::RestoreState(FX_BOOL bKeepSaved) { |
293 m_pAggDriver->RestoreState(bKeepSaved); | 157 m_pAggDriver->RestoreState(bKeepSaved); |
| 158 m_canvas->restore(); |
294 } | 159 } |
295 void CFX_SkiaDeviceDriver::SetClipMask(rasterizer_scanline_aa& rasterizer) { | 160 |
| 161 void CFX_SkiaDeviceDriver::SetClipMask( |
| 162 agg::rasterizer_scanline_aa& rasterizer) { |
296 m_pAggDriver->SetClipMask(rasterizer); | 163 m_pAggDriver->SetClipMask(rasterizer); |
297 } | 164 } |
298 void CFX_SkiaDeviceDriver::SetClipMask(SkPath& skPath, SkPaint* spaint) { | |
299 SkIRect clip_box; | |
300 clip_box.set(0, 0, fix0_to_8(GetDeviceCaps(FXDC_PIXEL_WIDTH)), | |
301 fix0_to_8(GetDeviceCaps(FXDC_PIXEL_HEIGHT))); | |
302 clip_box.intersect(m_pAggDriver->m_pClipRgn->GetBox().left, | |
303 m_pAggDriver->m_pClipRgn->GetBox().top, | |
304 m_pAggDriver->m_pClipRgn->GetBox().right, | |
305 m_pAggDriver->m_pClipRgn->GetBox().bottom); | |
306 | 165 |
307 SkPath* pathPtr = &skPath; | |
308 | |
309 SkRect path_rect = skPath.getBounds(); | |
310 | |
311 clip_box.intersect(FXSYS_floor(path_rect.fLeft), FXSYS_floor(path_rect.fTop), | |
312 FXSYS_floor(path_rect.fRight) + 1, | |
313 FXSYS_floor(path_rect.fBottom) + 1); | |
314 CFX_DIBitmapRef mask; | |
315 CFX_DIBitmap* pThisLayer = mask.New(); | |
316 pThisLayer->Create(clip_box.width(), clip_box.height(), FXDIB_8bppMask); | |
317 pThisLayer->Clear(0); | |
318 | |
319 CFX_SkiaA8Renderer render; | |
320 render.Init(pThisLayer, clip_box.fLeft, clip_box.fTop); | |
321 | |
322 SkRasterClip rasterClip(clip_box); | |
323 SuperBlitter_skia::DrawPath(skPath, (SkBlitter*)&render, rasterClip, *spaint); | |
324 | |
325 // Finally, we have got the mask that we need, intersect with current clip | |
326 // region | |
327 m_pAggDriver->m_pClipRgn->IntersectMaskF(clip_box.fLeft, clip_box.fTop, mask); | |
328 } | |
329 FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathFill( | 166 FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathFill( |
330 const CFX_PathData* pPathData, // path info | 167 const CFX_PathData* pPathData, // path info |
331 const CFX_Matrix* pObject2Device, // optional transformation | 168 const CFX_Matrix* pObject2Device, // optional transformation |
332 int fill_mode // fill mode, WINDING or ALTERNATE | 169 int fill_mode // fill mode, WINDING or ALTERNATE |
333 ) { | 170 ) { |
334 if (!m_pAggDriver->m_pClipRgn) { | 171 if (!m_pAggDriver->m_pClipRgn) { |
335 m_pAggDriver->m_pClipRgn = new CFX_ClipRgn( | 172 m_pAggDriver->m_pClipRgn = new CFX_ClipRgn( |
336 GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); | 173 GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); |
337 } | 174 } |
338 | 175 |
339 if (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) { | 176 if (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) { |
340 CFX_FloatRect rectf; | 177 CFX_FloatRect rectf; |
341 if (pPathData->IsRect(pObject2Device, &rectf)) { | 178 if (pPathData->IsRect(pObject2Device, &rectf)) { |
342 rectf.Intersect( | 179 rectf.Intersect( |
343 CFX_FloatRect(0, 0, (FX_FIXFLOAT)GetDeviceCaps(FXDC_PIXEL_WIDTH), | 180 CFX_FloatRect(0, 0, (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_WIDTH), |
344 (FX_FIXFLOAT)GetDeviceCaps(FXDC_PIXEL_HEIGHT))); | 181 (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_HEIGHT))); |
345 FX_RECT rect = rectf.GetOutterRect(); | 182 FX_RECT rect = rectf.GetOutterRect(); |
346 m_pAggDriver->m_pClipRgn->IntersectRect(rect); | 183 m_pAggDriver->m_pClipRgn->IntersectRect(rect); |
347 return TRUE; | 184 return TRUE; |
348 } | 185 } |
349 } | 186 } |
350 CSkia_PathData path_data; | 187 SkPath clip = BuildPath(pPathData, pObject2Device); |
351 path_data.BuildPath(pPathData, pObject2Device); | 188 clip.setFillType((fill_mode & 3) == FXFILL_WINDING |
352 path_data.m_PathData.close(); | 189 ? SkPath::kWinding_FillType |
353 path_data.m_PathData.setFillType((fill_mode & 3) == FXFILL_WINDING | 190 : SkPath::kEvenOdd_FillType); |
354 ? SkPath::kWinding_FillType | 191 const CFX_Matrix& m = *pObject2Device; |
355 : SkPath::kEvenOdd_FillType); | 192 #if 0 |
356 | 193 // TODO(caryclark) : don't clip quite yet |
357 SkPaint spaint; | 194 // need to understand how to save/restore to balance the clip |
358 spaint.setColor(0xffffffff); | 195 printf("m:(%g,%g,%g) (%g,%g,%g)\n", m.a, m.b, m.c, m.d, m.e, m.f); |
359 spaint.setAntiAlias(TRUE); | 196 clip.dump(); |
360 spaint.setStyle(SkPaint::kFill_Style); | 197 SkMatrix skMatrix; |
361 | 198 skMatrix.setAll(m.a, m.b, m.c, m.d, m.e, m.f, 0, 0, 1); |
362 SetClipMask(path_data.m_PathData, &spaint); | 199 m_canvas->setMatrix(skMatrix); |
| 200 m_canvas->clipPath(clip, SkRegion::kReplace_Op); |
| 201 #endif |
363 | 202 |
364 return TRUE; | 203 return TRUE; |
365 } | 204 } |
366 | 205 |
367 FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathStroke( | 206 FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathStroke( |
368 const CFX_PathData* pPathData, // path info | 207 const CFX_PathData* pPathData, // path info |
369 const CFX_Matrix* pObject2Device, // optional transformation | 208 const CFX_Matrix* pObject2Device, // optional transformation |
370 const CFX_GraphStateData* pGraphState // graphic state, for pen attributes | 209 const CFX_GraphStateData* pGraphState // graphic state, for pen attributes |
371 ) { | 210 ) { |
372 if (!m_pAggDriver->m_pClipRgn) { | 211 if (!m_pAggDriver->m_pClipRgn) { |
373 m_pAggDriver->m_pClipRgn = new CFX_ClipRgn( | 212 m_pAggDriver->m_pClipRgn = new CFX_ClipRgn( |
374 GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); | 213 GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); |
375 } | 214 } |
376 | 215 |
377 // build path data | 216 // build path data |
378 CSkia_PathData path_data; | 217 SkPath skPath = BuildPath(pPathData, NULL); |
379 path_data.BuildPath(pPathData, NULL); | 218 skPath.setFillType(SkPath::kWinding_FillType); |
380 path_data.m_PathData.setFillType(SkPath::kWinding_FillType); | |
381 | 219 |
382 SkPaint spaint; | 220 SkPaint spaint; |
383 spaint.setColor(0xffffffff); | 221 PaintStroke(&spaint, pGraphState); |
384 spaint.setStyle(SkPaint::kStroke_Style); | |
385 spaint.setAntiAlias(TRUE); | |
386 | |
387 SkPath dst_path; | 222 SkPath dst_path; |
388 SkRasterizeStroke(spaint, &dst_path, path_data.m_PathData, pObject2Device, | 223 spaint.getFillPath(skPath, &dst_path); |
389 pGraphState, 1, FALSE, 0); | 224 #if 01 |
390 spaint.setStyle(SkPaint::kFill_Style); | 225 SkMatrix skMatrix; |
391 SetClipMask(dst_path, &spaint); | 226 const CFX_Matrix& m = *pObject2Device; |
392 | 227 skMatrix.setAll(m.a, m.b, m.c, m.d, m.e, m.f, 0, 0, 1); |
| 228 m_canvas->setMatrix(skMatrix); |
| 229 // TODO(caryclark) : don't clip quite yet |
| 230 // need to understand how to save/restore so that clip is later undone |
| 231 m_canvas->clipPath(dst_path, SkRegion::kReplace_Op); |
| 232 #endif |
393 return TRUE; | 233 return TRUE; |
394 } | 234 } |
| 235 |
395 FX_BOOL CFX_SkiaDeviceDriver::RenderRasterizer( | 236 FX_BOOL CFX_SkiaDeviceDriver::RenderRasterizer( |
396 rasterizer_scanline_aa& rasterizer, | 237 agg::rasterizer_scanline_aa& rasterizer, |
397 FX_DWORD color, | 238 FX_DWORD color, |
398 FX_BOOL bFullCover, | 239 FX_BOOL bFullCover, |
399 FX_BOOL bGroupKnockout, | 240 FX_BOOL bGroupKnockout, |
400 int alpha_flag, | 241 int alpha_flag, |
401 void* pIccTransform) { | 242 void* pIccTransform) { |
402 return m_pAggDriver->RenderRasterizer( | 243 return m_pAggDriver->RenderRasterizer( |
403 rasterizer, color, bFullCover, bGroupKnockout, alpha_flag, pIccTransform); | 244 rasterizer, color, bFullCover, bGroupKnockout, alpha_flag, pIccTransform); |
404 } | 245 } |
405 FX_BOOL CFX_SkiaDeviceDriver::RenderRasterizerSkia(SkPath& skPath, | |
406 const SkPaint& origPaint, | |
407 SkIRect& rect, | |
408 FX_DWORD color, | |
409 FX_BOOL bFullCover, | |
410 FX_BOOL bGroupKnockout, | |
411 int alpha_flag, | |
412 void* pIccTransform, | |
413 FX_BOOL bFill) { | |
414 CFX_DIBitmap* pt = bGroupKnockout ? m_pAggDriver->GetBackDrop() : NULL; | |
415 CFX_SkiaRenderer render; | |
416 if (!render.Init(m_pAggDriver->m_pBitmap, pt, m_pAggDriver->m_pClipRgn, color, | |
417 bFullCover, m_pAggDriver->m_bRgbByteOrder, alpha_flag, | |
418 pIccTransform)) | |
419 return FALSE; | |
420 | |
421 SkRasterClip rasterClip(rect); | |
422 SuperBlitter_skia::DrawPath(skPath, (SkBlitter*)&render, rasterClip, | |
423 origPaint); | |
424 | |
425 return TRUE; | |
426 } | |
427 | 246 |
428 FX_BOOL CFX_SkiaDeviceDriver::DrawPath( | 247 FX_BOOL CFX_SkiaDeviceDriver::DrawPath( |
429 const CFX_PathData* pPathData, // path info | 248 const CFX_PathData* pPathData, // path info |
430 const CFX_Matrix* pObject2Device, // optional transformation | 249 const CFX_Matrix* pObject2Device, // optional transformation |
431 const CFX_GraphStateData* pGraphState, // graphic state, for pen attributes | 250 const CFX_GraphStateData* pGraphState, // graphic state, for pen attributes |
432 FX_DWORD fill_color, // fill color | 251 FX_DWORD fill_color, // fill color |
433 FX_DWORD stroke_color, // stroke color | 252 FX_DWORD stroke_color, // stroke color |
434 int fill_mode, // fill mode, WINDING or ALTERNATE. 0 for not filled | 253 int fill_mode, // fill mode, WINDING or ALTERNATE. 0 for not filled |
435 int alpha_flag, | 254 int alpha_flag, |
436 void* pIccTransform) { | 255 void* pIccTransform, |
| 256 int blend_type) { |
437 if (!GetBuffer()) | 257 if (!GetBuffer()) |
438 return TRUE; | 258 return TRUE; |
439 FOXIT_DEBUG1("CFX_SkiaDeviceDriver::DrawPath: entering"); | |
440 SkIRect rect; | 259 SkIRect rect; |
441 rect.set(0, 0, GetDeviceCaps(FXDC_PIXEL_WIDTH), | 260 rect.set(0, 0, GetDeviceCaps(FXDC_PIXEL_WIDTH), |
442 GetDeviceCaps(FXDC_PIXEL_HEIGHT)); | 261 GetDeviceCaps(FXDC_PIXEL_HEIGHT)); |
| 262 SkPath skPath = BuildPath(pPathData, pObject2Device); |
| 263 SkPaint spaint; |
| 264 spaint.setAntiAlias(TRUE); |
443 if ((fill_mode & 3) && fill_color) { | 265 if ((fill_mode & 3) && fill_color) { |
444 // We have to transform before building path data, otherwise we'll have | 266 skPath.setFillType((fill_mode & 3) == FXFILL_WINDING |
445 // flatting problem | 267 ? SkPath::kWinding_FillType |
446 // when we enlarge a small path (flatten before transformed) | 268 : SkPath::kEvenOdd_FillType); |
447 // TESTDOC: Bug #5115 - DS_S1Dimpact_lr.pdf | |
448 // build path data | |
449 CSkia_PathData path_data; | |
450 path_data.BuildPath(pPathData, pObject2Device); | |
451 // path_data.m_PathData.close(); | |
452 path_data.m_PathData.setFillType((fill_mode & 3) == FXFILL_WINDING | |
453 ? SkPath::kWinding_FillType | |
454 : SkPath::kEvenOdd_FillType); | |
455 | 269 |
456 SkPaint spaint; | |
457 spaint.setAntiAlias(TRUE); | |
458 spaint.setStyle(SkPaint::kFill_Style); | 270 spaint.setStyle(SkPaint::kFill_Style); |
459 spaint.setColor(fill_color); | 271 spaint.setColor(fill_color); |
460 if (!RenderRasterizerSkia(path_data.m_PathData, spaint, rect, fill_color, | 272 m_canvas->drawPath(skPath, spaint); |
461 fill_mode & FXFILL_FULLCOVER, FALSE, alpha_flag, | |
462 pIccTransform)) | |
463 return FALSE; | |
464 } | 273 } |
465 | |
466 int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag) | 274 int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag) |
467 ? FXGETFLAG_ALPHA_STROKE(alpha_flag) | 275 ? FXGETFLAG_ALPHA_STROKE(alpha_flag) |
468 : FXARGB_A(stroke_color); | 276 : FXARGB_A(stroke_color); |
469 | 277 |
470 if (pGraphState && stroke_alpha) { | 278 if (pGraphState && stroke_alpha) { |
471 // We split the matrix into two parts: first part doing the scaling, so we | |
472 // won't have the | |
473 // flatness problem, second part doing the transformation, so we don't have | |
474 // stroking geo problem. | |
475 // TESTDOC: Bug #5253 - test[1].pdf | |
476 CFX_Matrix matrix1, matrix2; | |
477 if (pObject2Device) { | |
478 matrix1.a = FXSYS_fabs(pObject2Device->a) > FXSYS_fabs(pObject2Device->b) | |
479 ? FXSYS_fabs(pObject2Device->a) | |
480 : FXSYS_fabs(pObject2Device->b); | |
481 matrix1.d = matrix1.a; // FXSYS_fabs(pObject2Device->c) > | |
482 // FXSYS_fabs(pObject2Device->d) ? | |
483 // pObject2Device->c : pObject2Device->d; | |
484 matrix2.Set(pObject2Device->a / matrix1.a, pObject2Device->b / matrix1.a, | |
485 pObject2Device->c / matrix1.d, pObject2Device->d / matrix1.d, | |
486 pObject2Device->e, pObject2Device->f); | |
487 } | |
488 // build path data | |
489 CSkia_PathData path_data; | |
490 path_data.BuildPath(pPathData, &matrix1); | |
491 path_data.m_PathData.setFillType(SkPath::kWinding_FillType); | |
492 | |
493 SkPaint spaint; | |
494 spaint.setColor(stroke_color); | 279 spaint.setColor(stroke_color); |
495 spaint.setStyle(SkPaint::kStroke_Style); | 280 PaintStroke(&spaint, pGraphState); |
496 spaint.setAntiAlias(TRUE); | 281 m_canvas->drawPath(skPath, spaint); |
497 SkPath dst_path; | |
498 SkRasterizeStroke(spaint, &dst_path, path_data.m_PathData, &matrix2, | |
499 pGraphState, matrix1.a, FALSE, 0); | |
500 spaint.setStyle(SkPaint::kFill_Style); | |
501 int fill_flag = FXGETFLAG_COLORTYPE(alpha_flag) << 8 | | |
502 FXGETFLAG_ALPHA_STROKE(alpha_flag); | |
503 | |
504 if (!RenderRasterizerSkia(dst_path, spaint, rect, stroke_color, | |
505 fill_mode & FXFILL_FULLCOVER, FALSE, fill_flag, | |
506 pIccTransform, FALSE)) | |
507 return FALSE; | |
508 } | 282 } |
509 | 283 |
510 return TRUE; | 284 return TRUE; |
511 } | 285 } |
512 | 286 |
513 FX_BOOL CFX_SkiaDeviceDriver::SetPixel(int x, | 287 FX_BOOL CFX_SkiaDeviceDriver::SetPixel(int x, |
514 int y, | 288 int y, |
515 FX_DWORD color, | 289 FX_DWORD color, |
516 int alpha_flag, | 290 int alpha_flag, |
517 void* pIccTransform) { | 291 void* pIccTransform) { |
518 return m_pAggDriver->SetPixel(x, y, color, alpha_flag, pIccTransform); | 292 return m_pAggDriver->SetPixel(x, y, color, alpha_flag, pIccTransform); |
519 } | 293 } |
520 | 294 |
521 FX_BOOL CFX_SkiaDeviceDriver::FillRect(const FX_RECT* pRect, | 295 FX_BOOL CFX_SkiaDeviceDriver::FillRect(const FX_RECT* pRect, |
522 FX_DWORD fill_color, | 296 FX_DWORD fill_color, |
523 int alpha_flag, | 297 int alpha_flag, |
524 void* pIccTransform) { | 298 void* pIccTransform, |
525 return m_pAggDriver->FillRect(pRect, fill_color, alpha_flag, pIccTransform); | 299 int blend_type) { |
| 300 SkPaint spaint; |
| 301 spaint.setAntiAlias(true); |
| 302 spaint.setColor(fill_color); |
| 303 |
| 304 m_canvas->drawRect( |
| 305 SkRect::MakeLTRB(pRect->left, pRect->top, pRect->right, pRect->bottom), |
| 306 spaint); |
| 307 return TRUE; |
526 } | 308 } |
527 | 309 |
528 FX_BOOL CFX_SkiaDeviceDriver::GetClipBox(FX_RECT* pRect) { | 310 FX_BOOL CFX_SkiaDeviceDriver::GetClipBox(FX_RECT* pRect) { |
529 return m_pAggDriver->GetClipBox(pRect); | 311 return m_pAggDriver->GetClipBox(pRect); |
530 } | 312 } |
531 | 313 |
532 FX_BOOL CFX_SkiaDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap, | 314 FX_BOOL CFX_SkiaDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap, |
533 int left, | 315 int left, |
534 int top, | 316 int top, |
535 void* pIccTransform, | 317 void* pIccTransform, |
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551 | 333 |
552 FX_BOOL CFX_SkiaDeviceDriver::StretchDIBits(const CFX_DIBSource* pSource, | 334 FX_BOOL CFX_SkiaDeviceDriver::StretchDIBits(const CFX_DIBSource* pSource, |
553 FX_DWORD argb, | 335 FX_DWORD argb, |
554 int dest_left, | 336 int dest_left, |
555 int dest_top, | 337 int dest_top, |
556 int dest_width, | 338 int dest_width, |
557 int dest_height, | 339 int dest_height, |
558 const FX_RECT* pClipRect, | 340 const FX_RECT* pClipRect, |
559 FX_DWORD flags, | 341 FX_DWORD flags, |
560 int alpha_flag, | 342 int alpha_flag, |
561 void* pIccTransform) { | 343 void* pIccTransform, |
| 344 int blend_type) { |
562 return m_pAggDriver->StretchDIBits(pSource, argb, dest_left, dest_top, | 345 return m_pAggDriver->StretchDIBits(pSource, argb, dest_left, dest_top, |
563 dest_width, dest_height, pClipRect, flags, | 346 dest_width, dest_height, pClipRect, flags, |
564 alpha_flag, pIccTransform); | 347 alpha_flag, pIccTransform, blend_type); |
565 } | 348 } |
566 | 349 |
567 FX_BOOL CFX_SkiaDeviceDriver::StartDIBits(const CFX_DIBSource* pSource, | 350 FX_BOOL CFX_SkiaDeviceDriver::StartDIBits(const CFX_DIBSource* pSource, |
568 int bitmap_alpha, | 351 int bitmap_alpha, |
569 FX_DWORD argb, | 352 FX_DWORD argb, |
570 const CFX_Matrix* pMatrix, | 353 const CFX_Matrix* pMatrix, |
571 FX_DWORD render_flags, | 354 FX_DWORD render_flags, |
572 void*& handle, | 355 void*& handle, |
573 int alpha_flag, | 356 int alpha_flag, |
574 void* pIccTransform) { | 357 void* pIccTransform, |
| 358 int blend_type) { |
575 return m_pAggDriver->StartDIBits(pSource, bitmap_alpha, argb, pMatrix, | 359 return m_pAggDriver->StartDIBits(pSource, bitmap_alpha, argb, pMatrix, |
576 render_flags, handle, alpha_flag, | 360 render_flags, handle, alpha_flag, |
577 pIccTransform); | 361 pIccTransform, blend_type); |
578 } | 362 } |
579 | 363 |
580 FX_BOOL CFX_SkiaDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) { | 364 FX_BOOL CFX_SkiaDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) { |
581 return m_pAggDriver->ContinueDIBits(pHandle, pPause); | 365 return m_pAggDriver->ContinueDIBits(pHandle, pPause); |
582 } | 366 } |
583 | 367 |
584 void CFX_SkiaDeviceDriver::CancelDIBits(void* pHandle) { | 368 void CFX_SkiaDeviceDriver::CancelDIBits(void* pHandle) { |
585 m_pAggDriver->CancelDIBits(pHandle); | 369 m_pAggDriver->CancelDIBits(pHandle); |
586 } | 370 } |
587 | 371 |
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613 if (!pBitmap->Create(width, height, format)) { | 397 if (!pBitmap->Create(width, height, format)) { |
614 delete pBitmap; | 398 delete pBitmap; |
615 return FALSE; | 399 return FALSE; |
616 } | 400 } |
617 SetBitmap(pBitmap); | 401 SetBitmap(pBitmap); |
618 CFX_SkiaDeviceDriver* pDriver = | 402 CFX_SkiaDeviceDriver* pDriver = |
619 new CFX_SkiaDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE); | 403 new CFX_SkiaDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE); |
620 SetDeviceDriver(pDriver); | 404 SetDeviceDriver(pDriver); |
621 return TRUE; | 405 return TRUE; |
622 } | 406 } |
| 407 |
623 CFX_SkiaDevice::~CFX_SkiaDevice() { | 408 CFX_SkiaDevice::~CFX_SkiaDevice() { |
624 if (m_bOwnedBitmap && GetBitmap()) | 409 if (m_bOwnedBitmap && GetBitmap()) |
625 delete GetBitmap(); | 410 delete GetBitmap(); |
626 } | 411 } |
627 | 412 |
| 413 #if 0 |
| 414 #include <stdarg.h> |
| 415 #include <stdio.h> |
| 416 |
| 417 void SkDebugf(const char format[], ...) { |
| 418 va_list args; |
| 419 va_start(args, format); |
| 420 vfprintf(stderr, format, args); |
| 421 va_end(args); |
| 422 } |
| 423 |
628 #endif | 424 #endif |
| 425 |
| 426 #endif |
OLD | NEW |