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1 /* | 1 /* |
2 * Copyright 2008 The Android Open Source Project | 2 * Copyright 2008 The Android Open Source Project |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 | 8 |
9 #include "SkCanvas.h" | 9 #include "SkCanvas.h" |
10 #include "SkCanvasPriv.h" | 10 #include "SkCanvasPriv.h" |
11 #include "SkBitmapDevice.h" | 11 #include "SkBitmapDevice.h" |
12 #include "SkDeviceImageFilterProxy.h" | 12 #include "SkDeviceImageFilterProxy.h" |
13 #include "SkDraw.h" | 13 #include "SkDraw.h" |
14 #include "SkDrawFilter.h" | 14 #include "SkDrawFilter.h" |
15 #include "SkDrawLooper.h" | 15 #include "SkDrawLooper.h" |
16 #include "SkMetaData.h" | 16 #include "SkMetaData.h" |
17 #include "SkPathOps.h" | 17 #include "SkPathOps.h" |
18 #include "SkPatchUtils.h" | 18 #include "SkPatchUtils.h" |
19 #include "SkPicture.h" | 19 #include "SkPicture.h" |
20 #include "SkRasterClip.h" | 20 #include "SkRasterClip.h" |
21 #include "SkRRect.h" | 21 #include "SkRRect.h" |
22 #include "SkSmallAllocator.h" | 22 #include "SkSmallAllocator.h" |
23 #include "SkSurface_Base.h" | 23 #include "SkSurface_Base.h" |
24 #include "SkTemplates.h" | 24 #include "SkTemplates.h" |
| 25 #include "SkTextBlob.h" |
25 #include "SkTextFormatParams.h" | 26 #include "SkTextFormatParams.h" |
26 #include "SkTLazy.h" | 27 #include "SkTLazy.h" |
27 #include "SkUtils.h" | 28 #include "SkUtils.h" |
28 | 29 |
29 #if SK_SUPPORT_GPU | 30 #if SK_SUPPORT_GPU |
30 #include "GrRenderTarget.h" | 31 #include "GrRenderTarget.h" |
31 #endif | 32 #endif |
32 | 33 |
33 // experimental for faster tiled drawing... | 34 // experimental for faster tiled drawing... |
34 //#define SK_ENABLE_CLIP_QUICKREJECT | 35 //#define SK_ENABLE_CLIP_QUICKREJECT |
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2208 LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) | 2209 LOOPER_BEGIN(paint, SkDrawFilter::kText_Type, NULL) |
2209 | 2210 |
2210 while (iter.next()) { | 2211 while (iter.next()) { |
2211 iter.fDevice->drawTextOnPath(iter, text, byteLength, path, | 2212 iter.fDevice->drawTextOnPath(iter, text, byteLength, path, |
2212 matrix, looper.paint()); | 2213 matrix, looper.paint()); |
2213 } | 2214 } |
2214 | 2215 |
2215 LOOPER_END | 2216 LOOPER_END |
2216 } | 2217 } |
2217 | 2218 |
| 2219 void SkCanvas::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| 2220 const SkPaint& paint) { |
| 2221 SkASSERT(blob); |
| 2222 |
| 2223 // FIXME: dispatch to the device instead |
| 2224 |
| 2225 if (x || y) { |
| 2226 this->translate(x, y); |
| 2227 } |
| 2228 |
| 2229 SkTextBlob::RunIterator it(blob); |
| 2230 while (!it.done()) { |
| 2231 size_t textLen = it.glyphCount() * sizeof(uint16_t); |
| 2232 const SkPoint& offset = it.offset(); |
| 2233 |
| 2234 switch (it.positioning()) { |
| 2235 case SkTextBlob::kDefault_Positioning: |
| 2236 this->drawText(it.glyphs(), textLen, offset.x(), offset.y(), paint); |
| 2237 break; |
| 2238 case SkTextBlob::kHorizontal_Positioning: |
| 2239 this->drawPosTextH(it.glyphs(), textLen, it.pos(), offset.y(), paint
); |
| 2240 break; |
| 2241 case SkTextBlob::kFull_Positioning: |
| 2242 this->drawPosText(it.glyphs(), textLen, (const SkPoint*)it.pos(), pa
int); |
| 2243 break; |
| 2244 default: |
| 2245 SkFAIL("unhandled positioning mode"); |
| 2246 } |
| 2247 |
| 2248 it.next(); |
| 2249 } |
| 2250 |
| 2251 if (x || y) { |
| 2252 this->translate(-x, -y); |
| 2253 } |
| 2254 } |
| 2255 |
2218 // These will become non-virtual, so they always call the (virtual) onDraw... me
thod | 2256 // These will become non-virtual, so they always call the (virtual) onDraw... me
thod |
2219 void SkCanvas::drawText(const void* text, size_t byteLength, SkScalar x, SkScala
r y, | 2257 void SkCanvas::drawText(const void* text, size_t byteLength, SkScalar x, SkScala
r y, |
2220 const SkPaint& paint) { | 2258 const SkPaint& paint) { |
2221 this->onDrawText(text, byteLength, x, y, paint); | 2259 this->onDrawText(text, byteLength, x, y, paint); |
2222 } | 2260 } |
2223 void SkCanvas::drawPosText(const void* text, size_t byteLength, const SkPoint po
s[], | 2261 void SkCanvas::drawPosText(const void* text, size_t byteLength, const SkPoint po
s[], |
2224 const SkPaint& paint) { | 2262 const SkPaint& paint) { |
2225 this->onDrawPosText(text, byteLength, pos, paint); | 2263 this->onDrawPosText(text, byteLength, pos, paint); |
2226 } | 2264 } |
2227 void SkCanvas::drawPosTextH(const void* text, size_t byteLength, const SkScalar
xpos[], | 2265 void SkCanvas::drawPosTextH(const void* text, size_t byteLength, const SkScalar
xpos[], |
2228 SkScalar constY, const SkPaint& paint) { | 2266 SkScalar constY, const SkPaint& paint) { |
2229 this->onDrawPosTextH(text, byteLength, xpos, constY, paint); | 2267 this->onDrawPosTextH(text, byteLength, xpos, constY, paint); |
2230 } | 2268 } |
2231 void SkCanvas::drawTextOnPath(const void* text, size_t byteLength, const SkPath&
path, | 2269 void SkCanvas::drawTextOnPath(const void* text, size_t byteLength, const SkPath&
path, |
2232 const SkMatrix* matrix, const SkPaint& paint) { | 2270 const SkMatrix* matrix, const SkPaint& paint) { |
2233 this->onDrawTextOnPath(text, byteLength, path, matrix, paint); | 2271 this->onDrawTextOnPath(text, byteLength, path, matrix, paint); |
2234 } | 2272 } |
| 2273 void SkCanvas::drawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, |
| 2274 const SkPaint& paint) { |
| 2275 if (NULL != blob) { |
| 2276 this->onDrawTextBlob(blob, x, y, paint); |
| 2277 } |
| 2278 } |
2235 | 2279 |
2236 void SkCanvas::drawVertices(VertexMode vmode, int vertexCount, | 2280 void SkCanvas::drawVertices(VertexMode vmode, int vertexCount, |
2237 const SkPoint verts[], const SkPoint texs[], | 2281 const SkPoint verts[], const SkPoint texs[], |
2238 const SkColor colors[], SkXfermode* xmode, | 2282 const SkColor colors[], SkXfermode* xmode, |
2239 const uint16_t indices[], int indexCount, | 2283 const uint16_t indices[], int indexCount, |
2240 const SkPaint& paint) { | 2284 const SkPaint& paint) { |
2241 LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) | 2285 LOOPER_BEGIN(paint, SkDrawFilter::kPath_Type, NULL) |
2242 | 2286 |
2243 while (iter.next()) { | 2287 while (iter.next()) { |
2244 iter.fDevice->drawVertices(iter, vmode, vertexCount, verts, texs, | 2288 iter.fDevice->drawVertices(iter, vmode, vertexCount, verts, texs, |
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2546 } | 2590 } |
2547 | 2591 |
2548 if (NULL != matrix) { | 2592 if (NULL != matrix) { |
2549 canvas->concat(*matrix); | 2593 canvas->concat(*matrix); |
2550 } | 2594 } |
2551 } | 2595 } |
2552 | 2596 |
2553 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() { | 2597 SkAutoCanvasMatrixPaint::~SkAutoCanvasMatrixPaint() { |
2554 fCanvas->restoreToCount(fSaveCount); | 2598 fCanvas->restoreToCount(fSaveCount); |
2555 } | 2599 } |
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