SkiaCanvasProxy.cpp revision 806a6f07a37c16b37631d8707dd1f2b41276fafc
11db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger/* 21db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * Copyright (C) 2015 The Android Open Source Project 31db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * 41db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * Licensed under the Apache License, Version 2.0 (the "License"); 51db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * you may not use this file except in compliance with the License. 61db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * You may obtain a copy of the License at 71db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * 81db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * http://www.apache.org/licenses/LICENSE-2.0 91db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * 101db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * Unless required by applicable law or agreed to in writing, software 111db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * distributed under the License is distributed on an "AS IS" BASIS, 121db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 131db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * See the License for the specific language governing permissions and 141db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * limitations under the License. 151db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger */ 161db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 171db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger#include "SkiaCanvasProxy.h" 181db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 191db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger#include <cutils/log.h> 201db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger#include <SkPatchUtils.h> 211db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 221db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergernamespace android { 231db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergernamespace uirenderer { 241db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 251db141f93c4fe79a4669440c3d14f63bc87b2e34Derek SollenbergerSkiaCanvasProxy::SkiaCanvasProxy(Canvas* canvas) 261db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger : INHERITED(canvas->width(), canvas->height()) 271db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger , mCanvas(canvas) {} 281db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 291db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawPaint(const SkPaint& paint) { 301db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawPaint(paint); 311db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 321db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 331db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawPoints(PointMode pointMode, size_t count, const SkPoint pts[], 341db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPaint& paint) { 351db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // convert the SkPoints into floats 361db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SK_COMPILE_ASSERT(sizeof(SkPoint) == sizeof(float)*2, SkPoint_is_no_longer_2_floats); 371db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const size_t floatCount = count << 1; 381db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const float* floatArray = &pts[0].fX; 391db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 401db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger switch (pointMode) { 411db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger case kPoints_PointMode: { 421db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawPoints(floatArray, floatCount, paint); 431db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger break; 441db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 451db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger case kLines_PointMode: { 461db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawLines(floatArray, floatCount, paint); 471db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger break; 481db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 491db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger case kPolygon_PointMode: { 501db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkPaint strokedPaint(paint); 511db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger strokedPaint.setStyle(SkPaint::kStroke_Style); 521db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 531db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkPath path; 541db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger for (size_t i = 0; i < count - 1; i++) { 551db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger path.moveTo(pts[i]); 561db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger path.lineTo(pts[i+1]); 571db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger this->drawPath(path, strokedPaint); 581db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger path.rewind(); 591db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 601db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger break; 611db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 621db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger default: 631db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger LOG_ALWAYS_FATAL("Unknown point type"); 641db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 651db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 661db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 671db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawOval(const SkRect& rect, const SkPaint& paint) { 681db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawOval(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, paint); 691db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 701db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 711db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawRect(const SkRect& rect, const SkPaint& paint) { 721db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawRect(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, paint); 731db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 741db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 751db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawRRect(const SkRRect& roundRect, const SkPaint& paint) { 761db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (!roundRect.isComplex()) { 771db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkRect& rect = roundRect.rect(); 781db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkVector radii = roundRect.getSimpleRadii(); 791db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawRoundRect(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, 801db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger radii.fX, radii.fY, paint); 811db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } else { 821db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkPath path; 831db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger path.addRRect(roundRect); 841db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawPath(path, paint); 851db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 861db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 871db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 881db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawPath(const SkPath& path, const SkPaint& paint) { 891db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawPath(path, paint); 901db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 911db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 921db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, 931db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPaint* paint) { 941db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawBitmap(bitmap, left, top, paint); 951db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 961db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 971db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawBitmapRect(const SkBitmap& bitmap, const SkRect* srcPtr, 981db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkRect& dst, const SkPaint* paint, DrawBitmapRectFlags) { 991db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkRect src = (srcPtr) ? *srcPtr : SkRect::MakeWH(bitmap.width(), bitmap.height()); 1001db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawBitmap(bitmap, src.fLeft, src.fTop, src.fRight, src.fBottom, 1011db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger dst.fLeft, dst.fTop, dst.fRight, dst.fBottom, paint); 1021db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1031db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1041db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, 1051db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkRect& dst, const SkPaint*) { 1061db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger //TODO make nine-patch drawing a method on Canvas.h 1071db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkDEBUGFAIL("SkiaCanvasProxy::onDrawBitmapNine is not yet supported"); 1081db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1091db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1101db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawSprite(const SkBitmap& bitmap, int left, int top, 1111db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPaint* paint) { 1121db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->save(SkCanvas::kMatrixClip_SaveFlag); 1131db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->setMatrix(SkMatrix::I()); 1141db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawBitmap(bitmap, left, top, paint); 1151db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->restore(); 1161db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1171db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1181db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawVertices(VertexMode mode, int vertexCount, const SkPoint vertices[], 1191db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPoint texs[], const SkColor colors[], SkXfermode*, const uint16_t indices[], 1201db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger int indexCount, const SkPaint& paint) { 1211db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // convert the SkPoints into floats 1221db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SK_COMPILE_ASSERT(sizeof(SkPoint) == sizeof(float)*2, SkPoint_is_no_longer_2_floats); 1231db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const int floatCount = vertexCount << 1; 1241db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const float* vArray = &vertices[0].fX; 1251db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const float* tArray = (texs) ? &texs[0].fX : NULL; 1261db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const int* cArray = (colors) ? (int*)colors : NULL; 1271db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawVertices(mode, floatCount, vArray, tArray, cArray, indices, indexCount, paint); 1281db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1291db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1301db141f93c4fe79a4669440c3d14f63bc87b2e34Derek SollenbergerSkSurface* SkiaCanvasProxy::onNewSurface(const SkImageInfo&, const SkSurfaceProps&) { 1311db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkDEBUGFAIL("SkiaCanvasProxy::onNewSurface is not supported"); 1321db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger return NULL; 1331db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1341db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1351db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::willSave() { 1361db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->save(SkCanvas::kMatrixClip_SaveFlag); 1371db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1381db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1391db141f93c4fe79a4669440c3d14f63bc87b2e34Derek SollenbergerSkCanvas::SaveLayerStrategy SkiaCanvasProxy::willSaveLayer(const SkRect* rectPtr, 1401db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPaint* paint, SaveFlags flags) { 1411db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkRect rect; 1421db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (rectPtr) { 1431db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger rect = *rectPtr; 1441db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } else if(!mCanvas->getClipBounds(&rect)) { 1451db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger rect = SkRect::MakeEmpty(); 1461db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 1471db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->saveLayer(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, paint, flags); 1481db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger return SkCanvas::kNoLayer_SaveLayerStrategy; 1491db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1501db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1511db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::willRestore() { 1521db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->restore(); 1531db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1541db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1551db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::didConcat(const SkMatrix& matrix) { 1561db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->concat(matrix); 1571db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1581db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1591db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::didSetMatrix(const SkMatrix& matrix) { 1601db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->setMatrix(matrix); 1611db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1621db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1631db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, 1641db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPaint& paint) { 1651db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkPath path; 1661db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger path.addRRect(outer); 1671db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger path.addRRect(inner); 1681db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger path.setFillType(SkPath::kEvenOdd_FillType); 1691db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger this->drawPath(path, paint); 1701db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 1711db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1721db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger/** 1731db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * Utility class that converts the incoming text & paint from the given encoding 1741db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger * into glyphIDs. 1751db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger */ 1761db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergerclass GlyphIDConverter { 1771db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergerpublic: 1781db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger GlyphIDConverter(const void* text, size_t byteLength, const SkPaint& origPaint) { 1791db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger paint = origPaint; 1801db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (paint.getTextEncoding() == SkPaint::kGlyphID_TextEncoding) { 1811db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger glyphIDs = (uint16_t*)text; 1821db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger count = byteLength >> 1; 1831db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } else { 1841db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger storage.reset(byteLength); // ensures space for one glyph per ID given UTF8 encoding. 1851db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger glyphIDs = storage.get(); 1861db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger count = paint.textToGlyphs(text, byteLength, storage.get()); 1871db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); 1881db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 1891db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 1901db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1911db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkPaint paint; 1921db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger uint16_t* glyphIDs; 1931db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger int count; 1941db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergerprivate: 1951db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkAutoSTMalloc<32, uint16_t> storage; 1961db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger}; 1971db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 1981db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, 1991db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPaint& origPaint) { 2001db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // convert to glyphIDs if necessary 2011db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger GlyphIDConverter glyphs(text, byteLength, origPaint); 2021db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2031db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // compute the glyph positions 2041db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkAutoSTMalloc<32, SkPoint> pointStorage(glyphs.count); 2051db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkAutoSTMalloc<32, SkScalar> glyphWidths(glyphs.count); 2061db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger glyphs.paint.getTextWidths(glyphs.glyphIDs, glyphs.count << 1, glyphWidths.get()); 2071db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2081db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // compute conservative bounds 2091db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // NOTE: We could call the faster paint.getFontBounds for a less accurate, 2101db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // but even more conservative bounds if this is too slow. 2111db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkRect bounds; 2121db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger glyphs.paint.measureText(glyphs.glyphIDs, glyphs.count << 1, &bounds); 2131db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2141db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // adjust for non-left alignment 2151db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (glyphs.paint.getTextAlign() != SkPaint::kLeft_Align) { 2161db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkScalar stop = 0; 2171db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger for (int i = 0; i < glyphs.count; i++) { 2181db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger stop += glyphWidths[i]; 2191db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2201db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (glyphs.paint.getTextAlign() == SkPaint::kCenter_Align) { 2211db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger stop = SkScalarHalf(stop); 2221db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2231db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (glyphs.paint.isVerticalText()) { 2241db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger y -= stop; 2251db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } else { 2261db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger x -= stop; 2271db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2281db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2291db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2301db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // setup the first glyph position and adjust bounds if needed 231806a6f07a37c16b37631d8707dd1f2b41276fafcTom Hudson int xBaseline = 0; 232806a6f07a37c16b37631d8707dd1f2b41276fafcTom Hudson int yBaseline = 0; 2331db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (mCanvas->drawTextAbsolutePos()) { 2341db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger bounds.offset(x,y); 235806a6f07a37c16b37631d8707dd1f2b41276fafcTom Hudson xBaseline = x; 236806a6f07a37c16b37631d8707dd1f2b41276fafcTom Hudson yBaseline = y; 2371db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 238806a6f07a37c16b37631d8707dd1f2b41276fafcTom Hudson pointStorage[0].set(xBaseline, yBaseline); 2391db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2401db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // setup the remaining glyph positions 2411db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (glyphs.paint.isVerticalText()) { 2421db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger for (int i = 1; i < glyphs.count; i++) { 243806a6f07a37c16b37631d8707dd1f2b41276fafcTom Hudson pointStorage[i].set(xBaseline, glyphWidths[i-1] + pointStorage[i-1].fY); 2441db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2451db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } else { 2461db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger for (int i = 1; i < glyphs.count; i++) { 247806a6f07a37c16b37631d8707dd1f2b41276fafcTom Hudson pointStorage[i].set(glyphWidths[i-1] + pointStorage[i-1].fX, yBaseline); 2481db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2491db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2501db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2511db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SK_COMPILE_ASSERT(sizeof(SkPoint) == sizeof(float)*2, SkPoint_is_no_longer_2_floats); 2521db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawText(glyphs.glyphIDs, &pointStorage[0].fX, glyphs.count, glyphs.paint, 2531db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger x, y, bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, 0); 2541db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 2551db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2561db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], 2571db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPaint& origPaint) { 2581db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // convert to glyphIDs if necessary 2591db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger GlyphIDConverter glyphs(text, byteLength, origPaint); 2601db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2611db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // convert to relative positions if necessary 2621db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger int x, y; 2631db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPoint* posArray; 2641db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkAutoSTMalloc<32, SkPoint> pointStorage; 2651db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (mCanvas->drawTextAbsolutePos()) { 2661db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger x = 0; 2671db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger y = 0; 2681db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger posArray = pos; 2691db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } else { 2701db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger x = pos[0].fX; 2711db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger y = pos[0].fY; 2721db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger posArray = pointStorage.reset(glyphs.count); 2731db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger for (int i = 0; i < glyphs.count; i++) { 2741db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger pointStorage[i].fX = pos[i].fX- x; 2751db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger pointStorage[i].fY = pos[i].fY- y; 2761db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2771db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2781db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2791db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // compute conservative bounds 2801db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // NOTE: We could call the faster paint.getFontBounds for a less accurate, 2811db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // but even more conservative bounds if this is too slow. 2821db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkRect bounds; 2831db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger glyphs.paint.measureText(glyphs.glyphIDs, glyphs.count << 1, &bounds); 2841db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2851db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SK_COMPILE_ASSERT(sizeof(SkPoint) == sizeof(float)*2, SkPoint_is_no_longer_2_floats); 2861db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawText(glyphs.glyphIDs, &posArray[0].fX, glyphs.count, glyphs.paint, x, y, 2871db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger bounds.fLeft, bounds.fTop, bounds.fRight, bounds.fBottom, 0); 2881db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 2891db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 2901db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], 2911db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkScalar constY, const SkPaint& paint) { 2921db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const size_t pointCount = byteLength >> 1; 2931db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkAutoSTMalloc<32, SkPoint> storage(pointCount); 2941db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkPoint* pts = storage.get(); 2951db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger for (size_t i = 0; i < pointCount; i++) { 2961db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger pts[i].set(xpos[i], constY); 2971db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 2981db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger this->onDrawPosText(text, byteLength, pts, paint); 2991db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 3001db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3011db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, 3021db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkMatrix* matrix, const SkPaint& origPaint) { 3031db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // convert to glyphIDs if necessary 3041db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger GlyphIDConverter glyphs(text, byteLength, origPaint); 3051db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->drawTextOnPath(glyphs.glyphIDs, glyphs.count, path, 0, 0, glyphs.paint); 3061db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 3071db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3081db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, 3091db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPaint& paint) { 3101db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkDEBUGFAIL("SkiaCanvasProxy::onDrawTextBlob is not supported"); 3111db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 3121db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3131db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], 3141db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger const SkPoint texCoords[4], SkXfermode* xmode, const SkPaint& paint) { 3151db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkPatchUtils::VertexData data; 3161db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3171db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkMatrix matrix; 3181db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->getMatrix(&matrix); 3191db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkISize lod = SkPatchUtils::GetLevelOfDetail(cubics, &matrix); 3201db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3211db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // It automatically adjusts lodX and lodY in case it exceeds the number of indices. 3221db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger // If it fails to generate the vertices, then we do not draw. 3231db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger if (SkPatchUtils::getVertexData(&data, cubics, colors, texCoords, lod.width(), lod.height())) { 3241db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger this->drawVertices(SkCanvas::kTriangles_VertexMode, data.fVertexCount, data.fPoints, 3251db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger data.fTexCoords, data.fColors, xmode, data.fIndices, data.fIndexCount, 3261db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger paint); 3271db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger } 3281db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 3291db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3301db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle) { 3311db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->clipRect(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, op); 3321db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 3331db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3341db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onClipRRect(const SkRRect& roundRect, SkRegion::Op op, ClipEdgeStyle) { 3351db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger SkPath path; 3361db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger path.addRRect(roundRect); 3371db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->clipPath(&path, op); 3381db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 3391db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3401db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle) { 3411db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->clipPath(&path, op); 3421db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 3431db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3441db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenbergervoid SkiaCanvasProxy::onClipRegion(const SkRegion& region, SkRegion::Op op) { 3451db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger mCanvas->clipRegion(®ion, op); 3461db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger} 3471db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger 3481db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger}; // namespace uirenderer 3491db141f93c4fe79a4669440c3d14f63bc87b2e34Derek Sollenberger}; // namespace android 350