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Diffstat (limited to 'libs/hwui/SkiaCanvasProxy.cpp')
| -rw-r--r-- | libs/hwui/SkiaCanvasProxy.cpp | 486 |
1 files changed, 0 insertions, 486 deletions
diff --git a/libs/hwui/SkiaCanvasProxy.cpp b/libs/hwui/SkiaCanvasProxy.cpp deleted file mode 100644 index fc009d871620..000000000000 --- a/libs/hwui/SkiaCanvasProxy.cpp +++ /dev/null @@ -1,486 +0,0 @@ -/* - * Copyright (C) 2015 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "SkiaCanvasProxy.h" - -#include <memory> - -#include <log/log.h> - -#include <SkLatticeIter.h> -#include <SkPaint.h> -#include <SkPatchUtils.h> -#include <SkPath.h> -#include <SkPixelRef.h> -#include <SkRRect.h> -#include <SkRSXform.h> -#include <SkRect.h> -#include <SkSurface.h> -#include <SkTextBlobRunIterator.h> -#include <SkVertices.h> -#include "hwui/Bitmap.h" - -namespace android { -namespace uirenderer { - -SkiaCanvasProxy::SkiaCanvasProxy(Canvas* canvas, bool filterHwuiCalls) - : INHERITED(canvas->width(), canvas->height()) - , mCanvas(canvas) - , mFilterHwuiCalls(filterHwuiCalls) {} - -void SkiaCanvasProxy::onDrawPaint(const SkPaint& paint) { - mCanvas->drawPaint(paint); -} - -void SkiaCanvasProxy::onDrawPoints(PointMode pointMode, size_t count, const SkPoint pts[], - const SkPaint& paint) { - if (!pts || count == 0) { - return; - } - - // convert the SkPoints into floats - static_assert(sizeof(SkPoint) == sizeof(float) * 2, "SkPoint is no longer two floats"); - const size_t floatCount = count << 1; - const float* floatArray = &pts[0].fX; - - switch (pointMode) { - case kPoints_PointMode: { - mCanvas->drawPoints(floatArray, floatCount, paint); - break; - } - case kLines_PointMode: { - mCanvas->drawLines(floatArray, floatCount, paint); - break; - } - case kPolygon_PointMode: { - SkPaint strokedPaint(paint); - strokedPaint.setStyle(SkPaint::kStroke_Style); - - SkPath path; - for (size_t i = 0; i < count - 1; i++) { - path.moveTo(pts[i]); - path.lineTo(pts[i + 1]); - this->drawPath(path, strokedPaint); - path.rewind(); - } - break; - } - default: - LOG_ALWAYS_FATAL("Unknown point type"); - } -} - -void SkiaCanvasProxy::onDrawOval(const SkRect& rect, const SkPaint& paint) { - mCanvas->drawOval(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, paint); -} - -void SkiaCanvasProxy::onDrawRect(const SkRect& rect, const SkPaint& paint) { - mCanvas->drawRect(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, paint); -} - -void SkiaCanvasProxy::onDrawRRect(const SkRRect& roundRect, const SkPaint& paint) { - if (!roundRect.isComplex()) { - const SkRect& rect = roundRect.rect(); - SkVector radii = roundRect.getSimpleRadii(); - mCanvas->drawRoundRect(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, radii.fX, radii.fY, - paint); - } else { - SkPath path; - path.addRRect(roundRect); - mCanvas->drawPath(path, paint); - } -} - -void SkiaCanvasProxy::onDrawArc(const SkRect& rect, SkScalar startAngle, SkScalar sweepAngle, - bool useCenter, const SkPaint& paint) { - mCanvas->drawArc(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, startAngle, sweepAngle, - useCenter, paint); -} - -void SkiaCanvasProxy::onDrawPath(const SkPath& path, const SkPaint& paint) { - mCanvas->drawPath(path, paint); -} - -void SkiaCanvasProxy::onDrawBitmap(const SkBitmap& bitmap, SkScalar left, SkScalar top, - const SkPaint* paint) { - sk_sp<Bitmap> hwuiBitmap = Bitmap::createFrom(bitmap.info(), *bitmap.pixelRef()); - // HWUI doesn't support extractSubset(), so convert any subsetted bitmap into - // a drawBitmapRect(); pass through an un-subsetted bitmap. - if (hwuiBitmap && bitmap.dimensions() != hwuiBitmap->info().dimensions()) { - SkIPoint origin = bitmap.pixelRefOrigin(); - mCanvas->drawBitmap( - *hwuiBitmap, origin.fX, origin.fY, origin.fX + bitmap.dimensions().width(), - origin.fY + bitmap.dimensions().height(), left, top, - left + bitmap.dimensions().width(), top + bitmap.dimensions().height(), paint); - } else { - mCanvas->drawBitmap(*hwuiBitmap, left, top, paint); - } -} - -void SkiaCanvasProxy::onDrawBitmapRect(const SkBitmap& skBitmap, const SkRect* srcPtr, - const SkRect& dst, const SkPaint* paint, SrcRectConstraint) { - SkRect src = (srcPtr) ? *srcPtr : SkRect::MakeWH(skBitmap.width(), skBitmap.height()); - // TODO: if bitmap is a subset, do we need to add pixelRefOrigin to src? - Bitmap* bitmap = reinterpret_cast<Bitmap*>(skBitmap.pixelRef()); - mCanvas->drawBitmap(*bitmap, src.fLeft, src.fTop, src.fRight, src.fBottom, dst.fLeft, dst.fTop, - dst.fRight, dst.fBottom, paint); -} - -void SkiaCanvasProxy::onDrawBitmapNine(const SkBitmap& bitmap, const SkIRect& center, - const SkRect& dst, const SkPaint*) { - // TODO make nine-patch drawing a method on Canvas.h - SkDEBUGFAIL("SkiaCanvasProxy::onDrawBitmapNine is not yet supported"); -} - -void SkiaCanvasProxy::onDrawImage(const SkImage* image, SkScalar left, SkScalar top, - const SkPaint* paint) { - SkBitmap skiaBitmap; - SkPixmap pixmap; - if (image->peekPixels(&pixmap) && skiaBitmap.installPixels(pixmap)) { - onDrawBitmap(skiaBitmap, left, top, paint); - } -} - -void SkiaCanvasProxy::onDrawImageRect(const SkImage* image, const SkRect* srcPtr, const SkRect& dst, - const SkPaint* paint, SrcRectConstraint constraint) { - SkBitmap skiaBitmap; - SkPixmap pixmap; - if (image->peekPixels(&pixmap) && skiaBitmap.installPixels(pixmap)) { - sk_sp<Bitmap> bitmap = Bitmap::createFrom(skiaBitmap.info(), *skiaBitmap.pixelRef()); - SkRect src = (srcPtr) ? *srcPtr : SkRect::MakeWH(image->width(), image->height()); - mCanvas->drawBitmap(*bitmap, src.fLeft, src.fTop, src.fRight, src.fBottom, dst.fLeft, - dst.fTop, dst.fRight, dst.fBottom, paint); - } -} - -void SkiaCanvasProxy::onDrawImageNine(const SkImage*, const SkIRect& center, const SkRect& dst, - const SkPaint*) { - SkDEBUGFAIL("SkiaCanvasProxy::onDrawImageNine is not yet supported"); -} - -void SkiaCanvasProxy::onDrawImageLattice(const SkImage* image, const Lattice& lattice, - const SkRect& dst, const SkPaint* paint) { - SkLatticeIter iter(lattice, dst); - SkRect srcR, dstR; - while (iter.next(&srcR, &dstR)) { - onDrawImageRect(image, &srcR, dstR, paint, SkCanvas::kFast_SrcRectConstraint); - } -} - -void SkiaCanvasProxy::onDrawVerticesObject(const SkVertices* vertices, SkBlendMode bmode, - const SkPaint& paint) { - if (mFilterHwuiCalls) { - return; - } - mCanvas->drawVertices(vertices, bmode, paint); -} - -sk_sp<SkSurface> SkiaCanvasProxy::onNewSurface(const SkImageInfo&, const SkSurfaceProps&) { - SkDEBUGFAIL("SkiaCanvasProxy::onNewSurface is not supported"); - return NULL; -} - -void SkiaCanvasProxy::willSave() { - mCanvas->save(android::SaveFlags::MatrixClip); -} - -static inline SaveFlags::Flags saveFlags(SkCanvas::SaveLayerFlags layerFlags) { - SaveFlags::Flags saveFlags = 0; - - if (!(layerFlags & SkCanvas::kDontClipToLayer_Legacy_SaveLayerFlag)) { - saveFlags |= SaveFlags::ClipToLayer; - } - - return saveFlags; -} - -SkCanvas::SaveLayerStrategy SkiaCanvasProxy::getSaveLayerStrategy( - const SaveLayerRec& saveLayerRec) { - SkRect rect; - if (saveLayerRec.fBounds) { - rect = *saveLayerRec.fBounds; - } else if (!mCanvas->getClipBounds(&rect)) { - rect = SkRect::MakeEmpty(); - } - mCanvas->saveLayer(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, saveLayerRec.fPaint, - saveFlags(saveLayerRec.fSaveLayerFlags)); - return SkCanvas::kNoLayer_SaveLayerStrategy; -} - -void SkiaCanvasProxy::willRestore() { - mCanvas->restore(); -} - -void SkiaCanvasProxy::didConcat(const SkMatrix& matrix) { - mCanvas->concat(matrix); -} - -void SkiaCanvasProxy::didSetMatrix(const SkMatrix& matrix) { - mCanvas->setMatrix(matrix); -} - -void SkiaCanvasProxy::onDrawDRRect(const SkRRect& outer, const SkRRect& inner, - const SkPaint& paint) { - SkPath path; - path.addRRect(outer); - path.addRRect(inner); - path.setFillType(SkPath::kEvenOdd_FillType); - this->drawPath(path, paint); -} - -/** - * Utility class that converts the incoming text & paint from the given encoding - * into glyphIDs. - */ -class GlyphIDConverter { -public: - GlyphIDConverter(const void* text, size_t byteLength, const SkPaint& origPaint) { - paint = origPaint; - if (paint.getTextEncoding() == SkPaint::kGlyphID_TextEncoding) { - glyphIDs = (uint16_t*)text; - count = byteLength >> 1; - } else { - // ensure space for one glyph per ID given UTF8 encoding. - storage.reset(new uint16_t[byteLength]); - glyphIDs = storage.get(); - count = paint.textToGlyphs(text, byteLength, storage.get()); - paint.setTextEncoding(SkPaint::kGlyphID_TextEncoding); - } - } - - SkPaint paint; - uint16_t* glyphIDs; - int count; - -private: - std::unique_ptr<uint16_t[]> storage; -}; - -void SkiaCanvasProxy::onDrawText(const void* text, size_t byteLength, SkScalar x, SkScalar y, - const SkPaint& origPaint) { - // convert to glyphIDs if necessary - GlyphIDConverter glyphs(text, byteLength, origPaint); - - // compute the glyph positions - std::unique_ptr<SkScalar[]> glyphWidths(new SkScalar[glyphs.count]); - glyphs.paint.getTextWidths(glyphs.glyphIDs, glyphs.count << 1, glyphWidths.get()); - - // compute conservative bounds - // NOTE: We could call the faster paint.getFontBounds for a less accurate, - // but even more conservative bounds if this is too slow. - SkRect bounds; - glyphs.paint.measureText(glyphs.glyphIDs, glyphs.count << 1, &bounds); - - // adjust for non-left alignment - if (glyphs.paint.getTextAlign() != SkPaint::kLeft_Align) { - SkScalar stop = 0; - for (int i = 0; i < glyphs.count; i++) { - stop += glyphWidths[i]; - } - if (glyphs.paint.getTextAlign() == SkPaint::kCenter_Align) { - stop = SkScalarHalf(stop); - } - if (glyphs.paint.isVerticalText()) { - y -= stop; - } else { - x -= stop; - } - } - - // setup the first glyph position and adjust bounds if needed - int xBaseline = 0; - int yBaseline = 0; - if (mCanvas->drawTextAbsolutePos()) { - bounds.offset(x, y); - xBaseline = x; - yBaseline = y; - } - - static_assert(sizeof(SkPoint) == sizeof(float) * 2, "SkPoint is no longer two floats"); - auto glyphFunc = [&](uint16_t* text, float* positions) { - memcpy(text, glyphs.glyphIDs, glyphs.count * sizeof(uint16_t)); - size_t posIndex = 0; - // setup the first glyph position - positions[posIndex++] = xBaseline; - positions[posIndex++] = yBaseline; - // setup the remaining glyph positions - if (glyphs.paint.isVerticalText()) { - float yPosition = yBaseline; - for (int i = 1; i < glyphs.count; i++) { - positions[posIndex++] = xBaseline; - yPosition += glyphWidths[i - 1]; - positions[posIndex++] = yPosition; - } - } else { - float xPosition = xBaseline; - for (int i = 1; i < glyphs.count; i++) { - xPosition += glyphWidths[i - 1]; - positions[posIndex++] = xPosition; - positions[posIndex++] = yBaseline; - } - } - }; - mCanvas->drawGlyphs(glyphFunc, glyphs.count, glyphs.paint, x, y, bounds.fLeft, bounds.fTop, - bounds.fRight, bounds.fBottom, 0); -} - -void SkiaCanvasProxy::onDrawPosText(const void* text, size_t byteLength, const SkPoint pos[], - const SkPaint& origPaint) { - // convert to glyphIDs if necessary - GlyphIDConverter glyphs(text, byteLength, origPaint); - - // convert to relative positions if necessary - int x, y; - if (mCanvas->drawTextAbsolutePos()) { - x = 0; - y = 0; - } else { - x = pos[0].fX; - y = pos[0].fY; - } - - // Compute conservative bounds. If the content has already been processed - // by Minikin then it had already computed these bounds. Unfortunately, - // there is no way to capture those bounds as part of the Skia drawPosText - // API so we need to do that computation again here. - SkRect bounds = SkRect::MakeEmpty(); - for (int i = 0; i < glyphs.count; i++) { - SkRect glyphBounds = SkRect::MakeEmpty(); - glyphs.paint.measureText(&glyphs.glyphIDs[i], sizeof(uint16_t), &glyphBounds); - glyphBounds.offset(pos[i].fX, pos[i].fY); - bounds.join(glyphBounds); - } - - static_assert(sizeof(SkPoint) == sizeof(float) * 2, "SkPoint is no longer two floats"); - auto glyphFunc = [&](uint16_t* text, float* positions) { - memcpy(text, glyphs.glyphIDs, glyphs.count * sizeof(uint16_t)); - if (mCanvas->drawTextAbsolutePos()) { - memcpy(positions, pos, 2 * glyphs.count * sizeof(float)); - } else { - for (int i = 0, posIndex = 0; i < glyphs.count; i++) { - positions[posIndex++] = pos[i].fX - x; - positions[posIndex++] = pos[i].fY - y; - } - } - }; - mCanvas->drawGlyphs(glyphFunc, glyphs.count, glyphs.paint, x, y, bounds.fLeft, bounds.fTop, - bounds.fRight, bounds.fBottom, 0); -} - -void SkiaCanvasProxy::onDrawPosTextH(const void* text, size_t byteLength, const SkScalar xpos[], - SkScalar constY, const SkPaint& paint) { - const size_t pointCount = byteLength >> 1; - std::unique_ptr<SkPoint[]> pts(new SkPoint[pointCount]); - for (size_t i = 0; i < pointCount; i++) { - pts[i].set(xpos[i], constY); - } - this->onDrawPosText(text, byteLength, pts.get(), paint); -} - -void SkiaCanvasProxy::onDrawTextOnPath(const void* text, size_t byteLength, const SkPath& path, - const SkMatrix* matrix, const SkPaint& origPaint) { - SkDEBUGFAIL("SkiaCanvasProxy::onDrawTextOnPath is not supported"); -} - -void SkiaCanvasProxy::onDrawTextRSXform(const void* text, size_t byteLength, - const SkRSXform xform[], const SkRect* cullRect, - const SkPaint& paint) { - GlyphIDConverter glyphs(text, byteLength, paint); // Just get count - SkMatrix localM, currM, origM; - mCanvas->getMatrix(&currM); - origM = currM; - for (int i = 0; i < glyphs.count; i++) { - localM.setRSXform(*xform++); - currM.setConcat(origM, localM); - mCanvas->setMatrix(currM); - this->onDrawText((char*)text + (byteLength / glyphs.count * i), byteLength / glyphs.count, - 0, 0, paint); - } - mCanvas->setMatrix(origM); -} - -void SkiaCanvasProxy::onDrawTextBlob(const SkTextBlob* blob, SkScalar x, SkScalar y, - const SkPaint& paint) { - SkPaint runPaint = paint; - - SkTextBlobRunIterator it(blob); - for (; !it.done(); it.next()) { - size_t textLen = it.glyphCount() * sizeof(uint16_t); - const SkPoint& offset = it.offset(); - // applyFontToPaint() always overwrites the exact same attributes, - // so it is safe to not re-seed the paint for this reason. - it.applyFontToPaint(&runPaint); - - switch (it.positioning()) { - case SkTextBlob::kDefault_Positioning: - this->drawText(it.glyphs(), textLen, x + offset.x(), y + offset.y(), runPaint); - break; - case SkTextBlob::kHorizontal_Positioning: { - std::unique_ptr<SkPoint[]> pts(new SkPoint[it.glyphCount()]); - for (size_t i = 0; i < it.glyphCount(); i++) { - pts[i].set(x + offset.x() + it.pos()[i], y + offset.y()); - } - this->drawPosText(it.glyphs(), textLen, pts.get(), runPaint); - break; - } - case SkTextBlob::kFull_Positioning: { - std::unique_ptr<SkPoint[]> pts(new SkPoint[it.glyphCount()]); - for (size_t i = 0; i < it.glyphCount(); i++) { - const size_t xIndex = i * 2; - const size_t yIndex = xIndex + 1; - pts[i].set(x + offset.x() + it.pos()[xIndex], - y + offset.y() + it.pos()[yIndex]); - } - this->drawPosText(it.glyphs(), textLen, pts.get(), runPaint); - break; - } - default: - SK_ABORT("unhandled positioning mode"); - } - } -} - -void SkiaCanvasProxy::onDrawPatch(const SkPoint cubics[12], const SkColor colors[4], - const SkPoint texCoords[4], SkBlendMode bmode, - const SkPaint& paint) { - if (mFilterHwuiCalls) { - return; - } - SkMatrix matrix; - mCanvas->getMatrix(&matrix); - SkISize lod = SkPatchUtils::GetLevelOfDetail(cubics, &matrix); - - mCanvas->drawVertices( - SkPatchUtils::MakeVertices(cubics, colors, texCoords, lod.width(), lod.height()).get(), - bmode, paint); -} - -void SkiaCanvasProxy::onClipRect(const SkRect& rect, SkClipOp op, ClipEdgeStyle) { - mCanvas->clipRect(rect.fLeft, rect.fTop, rect.fRight, rect.fBottom, op); -} - -void SkiaCanvasProxy::onClipRRect(const SkRRect& roundRect, SkClipOp op, ClipEdgeStyle) { - SkPath path; - path.addRRect(roundRect); - mCanvas->clipPath(&path, op); -} - -void SkiaCanvasProxy::onClipPath(const SkPath& path, SkClipOp op, ClipEdgeStyle) { - mCanvas->clipPath(&path, op); -} - -}; // namespace uirenderer -}; // namespace android |