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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: fix gn build file 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;
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,
(...skipping 15 matching lines...) Expand all
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
(...skipping 25 matching lines...) Expand all
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
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