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Side by Side Diff: core/src/fxge/skia/fx_skia_device.cpp

Issue 1761453002: get skia port working again (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: remove bit rot from skia port Created 4 years, 9 months ago
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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, y = pPoints[i].m_PointY;
Tom Sepez 2016/03/03 19:18:20 nit: one per line.
caryclark 2016/03/03 21:03:44 Done.
140 if (pObject2Device) 26 if (pObject2Device)
141 pObject2Device->Transform(x, y); 27 pObject2Device->Transform(x, y);
142 int point_type = pPoints[i].m_Flag & FXPT_TYPE; 28 int point_type = pPoints[i].m_Flag & FXPT_TYPE;
143 if (point_type == FXPT_MOVETO) { 29 if (point_type == FXPT_MOVETO) {
144 m_PathData.moveTo(x, y); 30 skPath.moveTo(x, y);
145 } else if (point_type == FXPT_LINETO) { 31 } else if (point_type == FXPT_LINETO) {
146 if (pPoints[i - 1].m_Flag == FXPT_MOVETO && 32 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.
dsinclair 2016/03/03 18:40:11 I'm not sure I understand this comment, the line w
caryclark 2016/03/03 21:03:44 An old Skia bug ignored zero-length line segments
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) { 33 } else if (point_type == FXPT_BEZIERTO) {
162 FX_FIXFLOAT x2 = pPoints[i + 1].m_PointX, y2 = pPoints[i + 1].m_PointY; 34 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; 35 FX_FLOAT x3 = pPoints[i + 2].m_PointX, y3 = pPoints[i + 2].m_PointY;
164 if (pObject2Device) { 36 if (pObject2Device) {
165 pObject2Device->Transform(x2, y2); 37 pObject2Device->Transform(x2, y2);
166 pObject2Device->Transform(x3, y3); 38 pObject2Device->Transform(x3, y3);
167 } 39 }
168 m_PathData.cubicTo(x, y, x2, y2, x3, y3); 40 skPath.cubicTo(x, y, x2, y2, x3, y3);
169 i += 2; 41 i += 2;
170 } 42 }
171 if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) 43 if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE)
172 m_PathData.close(); 44 skPath.close();
173 } 45 }
46 return skPath;
174 } 47 }
175 48
176 // convert a stroking path to scanlines 49 // convert a stroking path to scanlines
177 static void SkRasterizeStroke(SkPaint& spaint, 50 void CFX_SkiaDeviceDriver::PaintStroke(SkPaint& spaint,
178 SkPath* dstPathData, 51 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; 52 SkPaint::Cap cap;
186 switch (pGraphState->m_LineCap) { 53 switch (pGraphState->m_LineCap) {
187 case CFX_GraphStateData::LineCapRound: 54 case CFX_GraphStateData::LineCapRound:
188 cap = SkPaint::kRound_Cap; 55 cap = SkPaint::kRound_Cap;
189 break; 56 break;
190 case CFX_GraphStateData::LineCapSquare: 57 case CFX_GraphStateData::LineCapSquare:
191 cap = SkPaint::kSquare_Cap; 58 cap = SkPaint::kSquare_Cap;
192 break; 59 break;
193 default: 60 default:
194 cap = SkPaint::kButt_Cap; 61 cap = SkPaint::kButt_Cap;
195 break; 62 break;
196 } 63 }
197 SkPaint::Join join; 64 SkPaint::Join join;
198 switch (pGraphState->m_LineJoin) { 65 switch (pGraphState->m_LineJoin) {
199 case CFX_GraphStateData::LineJoinRound: 66 case CFX_GraphStateData::LineJoinRound:
200 join = SkPaint::kRound_Join; 67 join = SkPaint::kRound_Join;
201 break; 68 break;
202 case CFX_GraphStateData::LineJoinBevel: 69 case CFX_GraphStateData::LineJoinBevel:
203 join = SkPaint::kBevel_Join; 70 join = SkPaint::kBevel_Join;
204 break; 71 break;
205 default: 72 default:
206 join = SkPaint::kMiter_Join; 73 join = SkPaint::kMiter_Join;
207 break; 74 break;
208 } 75 }
209 FX_FIXFLOAT width = pGraphState->m_LineWidth * scale; 76 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 77
215 if (pGraphState->m_DashArray) { 78 if (pGraphState->m_DashArray) {
216 int count = (pGraphState->m_DashCount + 1) / 2; 79 int count = (pGraphState->m_DashCount + 1) / 2;
217 SkScalar* intervals = FX_Alloc2D(SkScalar, count, sizeof(SkScalar)); 80 SkScalar* intervals = FX_Alloc2D(SkScalar, count, sizeof(SkScalar));
218 // Set dash pattern 81 // Set dash pattern
219 for (int i = 0; i < count; i++) { 82 for (int i = 0; i < count; i++) {
220 FX_FIXFLOAT on = pGraphState->m_DashArray[i * 2]; 83 FX_FLOAT on = pGraphState->m_DashArray[i * 2];
221 if (on <= 0.000001f) 84 if (on <= 0.000001f)
222 on = FIX8_ONE / 10; 85 on = 1.f / 10;
223 FX_FIXFLOAT off = i * 2 + 1 == pGraphState->m_DashCount 86 FX_FLOAT off = i * 2 + 1 == pGraphState->m_DashCount
224 ? on 87 ? on
225 : pGraphState->m_DashArray[i * 2 + 1]; 88 : pGraphState->m_DashArray[i * 2 + 1];
226 if (off < 0) 89 if (off < 0)
227 off = 0; 90 off = 0;
228 intervals[i * 2] = on * scale; 91 intervals[i * 2] = on;
229 intervals[i * 2 + 1] = off * scale; 92 intervals[i * 2 + 1] = off;
230 } 93 }
231 SkDashPathEffect* pEffect = new SkDashPathEffect( 94 spaint
232 intervals, count * 2, pGraphState->m_DashPhase * scale); 95 .setPathEffect(SkDashPathEffect::Create(intervals, count * 2,
233 spaint.setPathEffect(pEffect)->unref(); 96 pGraphState->m_DashPhase))
234 spaint.setStrokeWidth(width); 97 ->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,
dsinclair 2016/03/03 18:40:11 Do we need to worry about, what I'm guessing is ob
caryclark 2016/03/03 21:03:44 There is likely missing code, but the transform sh
255 pObject2Device->b, pObject2Device->d, pObject2Device->f, 0,
256 0, 1);
257 dstPathData->transform(smatrix);
258 } 98 }
99 spaint.setStyle(SkPaint::kStroke_Style);
100 spaint.setAntiAlias(TRUE);
101 spaint.setStrokeWidth(width);
102 spaint.setStrokeMiter(pGraphState->m_MiterLimit);
103 spaint.setStrokeCap(cap);
104 spaint.setStrokeJoin(join);
259 } 105 }
260 106
261 CFX_SkiaDeviceDriver::CFX_SkiaDeviceDriver(CFX_DIBitmap* pBitmap, 107 CFX_SkiaDeviceDriver::CFX_SkiaDeviceDriver(CFX_DIBitmap* pBitmap,
262 int dither_bits, 108 int dither_bits,
263 FX_BOOL bRgbByteOrder, 109 FX_BOOL bRgbByteOrder,
264 CFX_DIBitmap* pOriDevice, 110 CFX_DIBitmap* pOriDevice,
265 FX_BOOL bGroupKnockout) { 111 FX_BOOL bGroupKnockout) {
266 m_pAggDriver = new CFX_AggDeviceDriver(pBitmap, dither_bits, bRgbByteOrder, 112 m_pAggDriver = new CFX_AggDeviceDriver(pBitmap, dither_bits, bRgbByteOrder,
267 pOriDevice, bGroupKnockout); 113 pOriDevice, bGroupKnockout);
114 SkBitmap skBitmap;
115 const CFX_DIBitmap* bitmap = m_pAggDriver->m_pBitmap;
116 SkImageInfo imageInfo =
117 SkImageInfo::Make(bitmap->GetWidth(), bitmap->GetHeight(),
118 kN32_SkColorType, kOpaque_SkAlphaType);
119 skBitmap.installPixels(imageInfo, bitmap->GetBuffer(), bitmap->GetPitch(),
120 nullptr, /* to do : set color table */
121 nullptr, nullptr);
122 m_canvas = new SkCanvas(skBitmap);
268 } 123 }
124
269 CFX_SkiaDeviceDriver::~CFX_SkiaDeviceDriver() { 125 CFX_SkiaDeviceDriver::~CFX_SkiaDeviceDriver() {
126 #if 0 // fix me : mismatch on allocator ?
dsinclair 2016/03/03 18:40:11 Once we figure out the allocator issue, can we std
caryclark 2016/03/03 21:03:44 I don't know. SkCanvas is a reference counted obje
dsinclair 2016/03/03 21:15:17 Ah, makes sense. Thanks for the info.
127 delete m_canvas;
128 #endif
270 delete m_pAggDriver; 129 delete m_pAggDriver;
271 } 130 }
131
272 FX_BOOL CFX_SkiaDeviceDriver::DrawDeviceText(int nChars, 132 FX_BOOL CFX_SkiaDeviceDriver::DrawDeviceText(int nChars,
273 const FXTEXT_CHARPOS* pCharPos, 133 const FXTEXT_CHARPOS* pCharPos,
274 CFX_Font* pFont, 134 CFX_Font* pFont,
275 CFX_FontCache* pCache, 135 CFX_FontCache* pCache,
276 const CFX_Matrix* pObject2Device, 136 const CFX_Matrix* pObject2Device,
277 FX_FIXFLOAT font_size, 137 FX_FLOAT font_size,
278 FX_DWORD color, 138 FX_DWORD color,
279 int alpha_flag, 139 int alpha_flag,
280 void* pIccTransform) { 140 void* pIccTransform) {
281 return m_pAggDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache, 141 return m_pAggDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache,
282 pObject2Device, font_size, color, 142 pObject2Device, font_size, color,
283 alpha_flag, pIccTransform); 143 alpha_flag, pIccTransform);
284 } 144 }
145
285 int CFX_SkiaDeviceDriver::GetDeviceCaps(int caps_id) { 146 int CFX_SkiaDeviceDriver::GetDeviceCaps(int caps_id) {
286 return m_pAggDriver->GetDeviceCaps(caps_id); 147 return m_pAggDriver->GetDeviceCaps(caps_id);
287 } 148 }
149
288 void CFX_SkiaDeviceDriver::SaveState() { 150 void CFX_SkiaDeviceDriver::SaveState() {
151 m_canvas->save();
289 m_pAggDriver->SaveState(); 152 m_pAggDriver->SaveState();
290 } 153 }
291 154
292 void CFX_SkiaDeviceDriver::RestoreState(FX_BOOL bKeepSaved) { 155 void CFX_SkiaDeviceDriver::RestoreState(FX_BOOL bKeepSaved) {
293 m_pAggDriver->RestoreState(bKeepSaved); 156 m_pAggDriver->RestoreState(bKeepSaved);
157 m_canvas->restore();
294 } 158 }
295 void CFX_SkiaDeviceDriver::SetClipMask(rasterizer_scanline_aa& rasterizer) { 159
160 void CFX_SkiaDeviceDriver::SetClipMask(
161 agg::rasterizer_scanline_aa& rasterizer) {
296 m_pAggDriver->SetClipMask(rasterizer); 162 m_pAggDriver->SetClipMask(rasterizer);
297 } 163 }
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);
306 164
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( 165 FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathFill(
330 const CFX_PathData* pPathData, // path info 166 const CFX_PathData* pPathData, // path info
331 const CFX_Matrix* pObject2Device, // optional transformation 167 const CFX_Matrix* pObject2Device, // optional transformation
332 int fill_mode // fill mode, WINDING or ALTERNATE 168 int fill_mode // fill mode, WINDING or ALTERNATE
333 ) { 169 ) {
334 if (!m_pAggDriver->m_pClipRgn) { 170 if (!m_pAggDriver->m_pClipRgn) {
335 m_pAggDriver->m_pClipRgn = new CFX_ClipRgn( 171 m_pAggDriver->m_pClipRgn = new CFX_ClipRgn(
336 GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); 172 GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT));
337 } 173 }
338 174
339 if (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) { 175 if (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) {
340 CFX_FloatRect rectf; 176 CFX_FloatRect rectf;
341 if (pPathData->IsRect(pObject2Device, &rectf)) { 177 if (pPathData->IsRect(pObject2Device, &rectf)) {
342 rectf.Intersect( 178 rectf.Intersect(
343 CFX_FloatRect(0, 0, (FX_FIXFLOAT)GetDeviceCaps(FXDC_PIXEL_WIDTH), 179 CFX_FloatRect(0, 0, (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_WIDTH),
344 (FX_FIXFLOAT)GetDeviceCaps(FXDC_PIXEL_HEIGHT))); 180 (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
345 FX_RECT rect = rectf.GetOutterRect(); 181 FX_RECT rect = rectf.GetOutterRect();
346 m_pAggDriver->m_pClipRgn->IntersectRect(rect); 182 m_pAggDriver->m_pClipRgn->IntersectRect(rect);
347 return TRUE; 183 return TRUE;
348 } 184 }
349 } 185 }
350 CSkia_PathData path_data; 186 SkPath clip = BuildPath(pPathData, pObject2Device);
351 path_data.BuildPath(pPathData, pObject2Device); 187 clip.setFillType((fill_mode & 3) == FXFILL_WINDING
352 path_data.m_PathData.close(); 188 ? SkPath::kWinding_FillType
353 path_data.m_PathData.setFillType((fill_mode & 3) == FXFILL_WINDING 189 : SkPath::kEvenOdd_FillType);
354 ? SkPath::kWinding_FillType 190 #if 0
355 : SkPath::kEvenOdd_FillType); 191 // fix me : don't clip quite yet
dsinclair 2016/03/03 18:40:11 nit: fix me should be TODO(caryclark)
caryclark 2016/03/03 21:03:44 Done.
356 192 // need to understand how to save/restore to balance the clip
357 SkPaint spaint; 193 m_canvas->clipPath(clip, SkRegion::kReplace_Op);
358 spaint.setColor(0xffffffff); 194 #endif
359 spaint.setAntiAlias(TRUE);
360 spaint.setStyle(SkPaint::kFill_Style);
361
362 SetClipMask(path_data.m_PathData, &spaint);
363 195
364 return TRUE; 196 return TRUE;
365 } 197 }
366 198
367 FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathStroke( 199 FX_BOOL CFX_SkiaDeviceDriver::SetClip_PathStroke(
368 const CFX_PathData* pPathData, // path info 200 const CFX_PathData* pPathData, // path info
369 const CFX_Matrix* pObject2Device, // optional transformation 201 const CFX_Matrix* pObject2Device, // optional transformation
370 const CFX_GraphStateData* pGraphState // graphic state, for pen attributes 202 const CFX_GraphStateData* pGraphState // graphic state, for pen attributes
371 ) { 203 ) {
372 if (!m_pAggDriver->m_pClipRgn) { 204 if (!m_pAggDriver->m_pClipRgn) {
373 m_pAggDriver->m_pClipRgn = new CFX_ClipRgn( 205 m_pAggDriver->m_pClipRgn = new CFX_ClipRgn(
374 GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT)); 206 GetDeviceCaps(FXDC_PIXEL_WIDTH), GetDeviceCaps(FXDC_PIXEL_HEIGHT));
375 } 207 }
376 208
377 // build path data 209 // build path data
378 CSkia_PathData path_data; 210 SkPath skPath = BuildPath(pPathData, NULL);
379 path_data.BuildPath(pPathData, NULL); 211 skPath.setFillType(SkPath::kWinding_FillType);
380 path_data.m_PathData.setFillType(SkPath::kWinding_FillType);
381 212
382 SkPaint spaint; 213 SkPaint spaint;
383 spaint.setColor(0xffffffff); 214 PaintStroke(spaint, pGraphState);
384 spaint.setStyle(SkPaint::kStroke_Style);
385 spaint.setAntiAlias(TRUE);
386
387 SkPath dst_path; 215 SkPath dst_path;
388 SkRasterizeStroke(spaint, &dst_path, path_data.m_PathData, pObject2Device, 216 spaint.getFillPath(skPath, &dst_path);
389 pGraphState, 1, FALSE, 0); 217 #if 01
390 spaint.setStyle(SkPaint::kFill_Style); 218 // fix me : don't clip quite yet
391 SetClipMask(dst_path, &spaint); 219 // need to understand how to save/restore so that clip is later undone
392 220 m_canvas->clipPath(dst_path, SkRegion::kReplace_Op);
221 #endif
393 return TRUE; 222 return TRUE;
394 } 223 }
224
395 FX_BOOL CFX_SkiaDeviceDriver::RenderRasterizer( 225 FX_BOOL CFX_SkiaDeviceDriver::RenderRasterizer(
396 rasterizer_scanline_aa& rasterizer, 226 agg::rasterizer_scanline_aa& rasterizer,
397 FX_DWORD color, 227 FX_DWORD color,
398 FX_BOOL bFullCover, 228 FX_BOOL bFullCover,
399 FX_BOOL bGroupKnockout, 229 FX_BOOL bGroupKnockout,
400 int alpha_flag, 230 int alpha_flag,
401 void* pIccTransform) { 231 void* pIccTransform) {
402 return m_pAggDriver->RenderRasterizer( 232 return m_pAggDriver->RenderRasterizer(
403 rasterizer, color, bFullCover, bGroupKnockout, alpha_flag, pIccTransform); 233 rasterizer, color, bFullCover, bGroupKnockout, alpha_flag, pIccTransform);
404 } 234 }
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 }
427 235
428 FX_BOOL CFX_SkiaDeviceDriver::DrawPath( 236 FX_BOOL CFX_SkiaDeviceDriver::DrawPath(
429 const CFX_PathData* pPathData, // path info 237 const CFX_PathData* pPathData, // path info
430 const CFX_Matrix* pObject2Device, // optional transformation 238 const CFX_Matrix* pObject2Device, // optional transformation
431 const CFX_GraphStateData* pGraphState, // graphic state, for pen attributes 239 const CFX_GraphStateData* pGraphState, // graphic state, for pen attributes
432 FX_DWORD fill_color, // fill color 240 FX_DWORD fill_color, // fill color
433 FX_DWORD stroke_color, // stroke color 241 FX_DWORD stroke_color, // stroke color
434 int fill_mode, // fill mode, WINDING or ALTERNATE. 0 for not filled 242 int fill_mode, // fill mode, WINDING or ALTERNATE. 0 for not filled
435 int alpha_flag, 243 int alpha_flag,
436 void* pIccTransform) { 244 void* pIccTransform,
245 int blend_type) {
437 if (!GetBuffer()) 246 if (!GetBuffer())
438 return TRUE; 247 return TRUE;
439 FOXIT_DEBUG1("CFX_SkiaDeviceDriver::DrawPath: entering");
440 SkIRect rect; 248 SkIRect rect;
441 rect.set(0, 0, GetDeviceCaps(FXDC_PIXEL_WIDTH), 249 rect.set(0, 0, GetDeviceCaps(FXDC_PIXEL_WIDTH),
442 GetDeviceCaps(FXDC_PIXEL_HEIGHT)); 250 GetDeviceCaps(FXDC_PIXEL_HEIGHT));
251 SkPath skPath = BuildPath(pPathData, pObject2Device);
252 SkPaint spaint;
253 spaint.setAntiAlias(TRUE);
443 if ((fill_mode & 3) && fill_color) { 254 if ((fill_mode & 3) && fill_color) {
444 // We have to transform before building path data, otherwise we'll have 255 skPath.setFillType((fill_mode & 3) == FXFILL_WINDING
445 // flatting problem 256 ? SkPath::kWinding_FillType
446 // when we enlarge a small path (flatten before transformed) 257 : 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);
455 258
456 SkPaint spaint;
457 spaint.setAntiAlias(TRUE);
458 spaint.setStyle(SkPaint::kFill_Style); 259 spaint.setStyle(SkPaint::kFill_Style);
459 spaint.setColor(fill_color); 260 spaint.setColor(fill_color);
460 if (!RenderRasterizerSkia(path_data.m_PathData, spaint, rect, fill_color, 261 m_canvas->drawPath(skPath, spaint);
461 fill_mode & FXFILL_FULLCOVER, FALSE, alpha_flag,
462 pIccTransform))
463 return FALSE;
464 } 262 }
465
466 int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag) 263 int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag)
467 ? FXGETFLAG_ALPHA_STROKE(alpha_flag) 264 ? FXGETFLAG_ALPHA_STROKE(alpha_flag)
468 : FXARGB_A(stroke_color); 265 : FXARGB_A(stroke_color);
469 266
470 if (pGraphState && stroke_alpha) { 267 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); 268 spaint.setColor(stroke_color);
495 spaint.setStyle(SkPaint::kStroke_Style); 269 PaintStroke(spaint, pGraphState);
496 spaint.setAntiAlias(TRUE); 270 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 } 271 }
509 272
510 return TRUE; 273 return TRUE;
511 } 274 }
512 275
513 FX_BOOL CFX_SkiaDeviceDriver::SetPixel(int x, 276 FX_BOOL CFX_SkiaDeviceDriver::SetPixel(int x,
514 int y, 277 int y,
515 FX_DWORD color, 278 FX_DWORD color,
516 int alpha_flag, 279 int alpha_flag,
517 void* pIccTransform) { 280 void* pIccTransform) {
518 return m_pAggDriver->SetPixel(x, y, color, alpha_flag, pIccTransform); 281 return m_pAggDriver->SetPixel(x, y, color, alpha_flag, pIccTransform);
519 } 282 }
520 283
521 FX_BOOL CFX_SkiaDeviceDriver::FillRect(const FX_RECT* pRect, 284 FX_BOOL CFX_SkiaDeviceDriver::FillRect(const FX_RECT* pRect,
522 FX_DWORD fill_color, 285 FX_DWORD fill_color,
523 int alpha_flag, 286 int alpha_flag,
524 void* pIccTransform) { 287 void* pIccTransform,
525 return m_pAggDriver->FillRect(pRect, fill_color, alpha_flag, pIccTransform); 288 int blend_type) {
289 return m_pAggDriver->FillRect(pRect, fill_color, alpha_flag, pIccTransform,
290 blend_type);
526 } 291 }
527 292
528 FX_BOOL CFX_SkiaDeviceDriver::GetClipBox(FX_RECT* pRect) { 293 FX_BOOL CFX_SkiaDeviceDriver::GetClipBox(FX_RECT* pRect) {
529 return m_pAggDriver->GetClipBox(pRect); 294 return m_pAggDriver->GetClipBox(pRect);
530 } 295 }
531 296
532 FX_BOOL CFX_SkiaDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap, 297 FX_BOOL CFX_SkiaDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap,
533 int left, 298 int left,
534 int top, 299 int top,
535 void* pIccTransform, 300 void* pIccTransform,
(...skipping 15 matching lines...) Expand all
551 316
552 FX_BOOL CFX_SkiaDeviceDriver::StretchDIBits(const CFX_DIBSource* pSource, 317 FX_BOOL CFX_SkiaDeviceDriver::StretchDIBits(const CFX_DIBSource* pSource,
553 FX_DWORD argb, 318 FX_DWORD argb,
554 int dest_left, 319 int dest_left,
555 int dest_top, 320 int dest_top,
556 int dest_width, 321 int dest_width,
557 int dest_height, 322 int dest_height,
558 const FX_RECT* pClipRect, 323 const FX_RECT* pClipRect,
559 FX_DWORD flags, 324 FX_DWORD flags,
560 int alpha_flag, 325 int alpha_flag,
561 void* pIccTransform) { 326 void* pIccTransform,
327 int blend_type) {
562 return m_pAggDriver->StretchDIBits(pSource, argb, dest_left, dest_top, 328 return m_pAggDriver->StretchDIBits(pSource, argb, dest_left, dest_top,
563 dest_width, dest_height, pClipRect, flags, 329 dest_width, dest_height, pClipRect, flags,
564 alpha_flag, pIccTransform); 330 alpha_flag, pIccTransform, blend_type);
565 } 331 }
566 332
567 FX_BOOL CFX_SkiaDeviceDriver::StartDIBits(const CFX_DIBSource* pSource, 333 FX_BOOL CFX_SkiaDeviceDriver::StartDIBits(const CFX_DIBSource* pSource,
568 int bitmap_alpha, 334 int bitmap_alpha,
569 FX_DWORD argb, 335 FX_DWORD argb,
570 const CFX_Matrix* pMatrix, 336 const CFX_Matrix* pMatrix,
571 FX_DWORD render_flags, 337 FX_DWORD render_flags,
572 void*& handle, 338 void*& handle,
573 int alpha_flag, 339 int alpha_flag,
574 void* pIccTransform) { 340 void* pIccTransform,
341 int blend_type) {
575 return m_pAggDriver->StartDIBits(pSource, bitmap_alpha, argb, pMatrix, 342 return m_pAggDriver->StartDIBits(pSource, bitmap_alpha, argb, pMatrix,
576 render_flags, handle, alpha_flag, 343 render_flags, handle, alpha_flag,
577 pIccTransform); 344 pIccTransform, blend_type);
578 } 345 }
579 346
580 FX_BOOL CFX_SkiaDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) { 347 FX_BOOL CFX_SkiaDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) {
581 return m_pAggDriver->ContinueDIBits(pHandle, pPause); 348 return m_pAggDriver->ContinueDIBits(pHandle, pPause);
582 } 349 }
583 350
584 void CFX_SkiaDeviceDriver::CancelDIBits(void* pHandle) { 351 void CFX_SkiaDeviceDriver::CancelDIBits(void* pHandle) {
585 m_pAggDriver->CancelDIBits(pHandle); 352 m_pAggDriver->CancelDIBits(pHandle);
586 } 353 }
587 354
(...skipping 30 matching lines...) Expand all
618 CFX_SkiaDeviceDriver* pDriver = 385 CFX_SkiaDeviceDriver* pDriver =
619 new CFX_SkiaDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE); 386 new CFX_SkiaDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE);
620 SetDeviceDriver(pDriver); 387 SetDeviceDriver(pDriver);
621 return TRUE; 388 return TRUE;
622 } 389 }
623 CFX_SkiaDevice::~CFX_SkiaDevice() { 390 CFX_SkiaDevice::~CFX_SkiaDevice() {
624 if (m_bOwnedBitmap && GetBitmap()) 391 if (m_bOwnedBitmap && GetBitmap())
625 delete GetBitmap(); 392 delete GetBitmap();
626 } 393 }
627 394
395 #if 01
396 #include <stdarg.h>
397 #include <stdio.h>
398
399 void SkDebugf(const char format[], ...) {
400 va_list args;
401 va_start(args, format);
402 vfprintf(stderr, format, args);
403 va_end(args);
404 }
405
628 #endif 406 #endif
407
408 #endif
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