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Diffstat (limited to 'WebCore/platform/graphics/android/ImageAndroid.cpp')
| -rw-r--r-- | WebCore/platform/graphics/android/ImageAndroid.cpp | 369 |
1 files changed, 0 insertions, 369 deletions
diff --git a/WebCore/platform/graphics/android/ImageAndroid.cpp b/WebCore/platform/graphics/android/ImageAndroid.cpp deleted file mode 100644 index 01fe272..0000000 --- a/WebCore/platform/graphics/android/ImageAndroid.cpp +++ /dev/null @@ -1,369 +0,0 @@ -/* - * Copyright 2009, The Android Open Source Project - * Copyright (C) 2004, 2005, 2006 Apple Computer, Inc. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE - * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR - * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR - * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, - * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR - * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY - * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE - * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "config.h" -#include "TransformationMatrix.h" -#include "BitmapImage.h" -#include "Image.h" -#include "FloatRect.h" -#include "GraphicsContext.h" -#include "PlatformGraphicsContext.h" -#include "PlatformString.h" -#include "SharedBuffer.h" - -#include "android_graphics.h" -#include "SkBitmapRef.h" -#include "SkCanvas.h" -#include "SkColorPriv.h" -#include "SkImageDecoder.h" -#include "SkShader.h" -#include "SkString.h" -#include "SkTemplates.h" -#include "SkiaUtils.h" - -#include <utils/AssetManager.h> - -//#define TRACE_SUBSAMPLED_BITMAPS -//#define TRACE_SKIPPED_BITMAPS - -android::AssetManager* globalAssetManager() { - static android::AssetManager* gGlobalAssetMgr; - if (!gGlobalAssetMgr) { - gGlobalAssetMgr = new android::AssetManager(); - gGlobalAssetMgr->addDefaultAssets(); - } - return gGlobalAssetMgr; -} - -namespace WebCore { - -bool FrameData::clear(bool clearMetadata) -{ - if (clearMetadata) - m_haveMetadata = false; - - if (m_frame) { - m_frame->unref(); - m_frame = 0; - return true; - } - return false; -} - -BitmapImage::BitmapImage(SkBitmapRef* ref, ImageObserver* observer) - : Image(observer) - , m_currentFrame(0) - , m_frames(0) - , m_frameTimer(0) - , m_repetitionCount(0) - , m_repetitionCountStatus(Unknown) - , m_repetitionsComplete(0) - , m_isSolidColor(false) - , m_animationFinished(true) - , m_allDataReceived(true) - , m_haveSize(true) - , m_sizeAvailable(true) - , m_decodedSize(0) - , m_haveFrameCount(true) - , m_frameCount(1) -{ - initPlatformData(); - - m_size = IntSize(ref->bitmap().width(), ref->bitmap().height()); - - m_frames.grow(1); - m_frames[0].m_frame = ref; - m_frames[0].m_hasAlpha = !ref->bitmap().isOpaque(); - checkForSolidColor(); - ref->ref(); -} - - -void BitmapImage::initPlatformData() -{ - m_source.clearURL(); -} - -void BitmapImage::invalidatePlatformData() -{ -} - -void BitmapImage::checkForSolidColor() -{ - m_checkedForSolidColor = true; - m_isSolidColor = false; - if (frameCount() == 1) { - SkBitmapRef* ref = frameAtIndex(0); - if (!ref) { - return; // keep solid == false - } - - const SkBitmap& bm = ref->bitmap(); - if (bm.width() != 1 || bm.height() != 1) { - return; // keep solid == false - } - - SkAutoLockPixels alp(bm); - if (!bm.readyToDraw()) { - return; // keep solid == false - } - - SkPMColor color; - switch (bm.getConfig()) { - case SkBitmap::kARGB_8888_Config: - color = *bm.getAddr32(0, 0); - break; - case SkBitmap::kRGB_565_Config: - color = SkPixel16ToPixel32(*bm.getAddr16(0, 0)); - break; - case SkBitmap::kIndex8_Config: { - SkColorTable* ctable = bm.getColorTable(); - if (!ctable) { - return; - } - color = (*ctable)[*bm.getAddr8(0, 0)]; - break; - } - default: - return; // keep solid == false - } - m_isSolidColor = true; - m_solidColor = SkPMColorToWebCoreColor(color); - } -} - -static void round(SkIRect* dst, const WebCore::FloatRect& src) -{ - dst->set(SkScalarRound(SkFloatToScalar(src.x())), - SkScalarRound(SkFloatToScalar(src.y())), - SkScalarRound(SkFloatToScalar((src.x() + src.width()))), - SkScalarRound(SkFloatToScalar((src.y() + src.height())))); -} - -static void round_scaled(SkIRect* dst, const WebCore::FloatRect& src, - float sx, float sy) -{ - dst->set(SkScalarRound(SkFloatToScalar(src.x() * sx)), - SkScalarRound(SkFloatToScalar(src.y() * sy)), - SkScalarRound(SkFloatToScalar((src.x() + src.width()) * sx)), - SkScalarRound(SkFloatToScalar((src.y() + src.height()) * sy))); -} - -static inline void fixPaintForBitmapsThatMaySeam(SkPaint* paint) { - /* Bitmaps may be drawn to seem next to other images. If we are drawn - zoomed, or at fractional coordinates, we may see cracks/edges if - we antialias, because that will cause us to draw the same pixels - more than once (e.g. from the left and right bitmaps that share - an edge). - - Disabling antialiasing fixes this, and since so far we are never - rotated at non-multiple-of-90 angles, this seems to do no harm - */ - paint->setAntiAlias(false); -} - -void BitmapImage::draw(GraphicsContext* ctxt, const FloatRect& dstRect, - const FloatRect& srcRect, ColorSpace, - CompositeOperator compositeOp) -{ - startAnimation(); - - SkBitmapRef* image = this->nativeImageForCurrentFrame(); - if (!image) { // If it's too early we won't have an image yet. - return; - } - - // in case we get called with an incomplete bitmap - const SkBitmap& bitmap = image->bitmap(); - if (bitmap.getPixels() == NULL && bitmap.pixelRef() == NULL) { -#ifdef TRACE_SKIPPED_BITMAPS - SkDebugf("----- skip bitmapimage: [%d %d] pixels %p pixelref %p\n", - bitmap.width(), bitmap.height(), - bitmap.getPixels(), bitmap.pixelRef()); -#endif - return; - } - - SkIRect srcR; - SkRect dstR(dstRect); - float invScaleX = (float)bitmap.width() / image->origWidth(); - float invScaleY = (float)bitmap.height() / image->origHeight(); - - round_scaled(&srcR, srcRect, invScaleX, invScaleY); - if (srcR.isEmpty() || dstR.isEmpty()) { -#ifdef TRACE_SKIPPED_BITMAPS - SkDebugf("----- skip bitmapimage: [%d %d] src-empty %d dst-empty %d\n", - bitmap.width(), bitmap.height(), - srcR.isEmpty(), dstR.isEmpty()); -#endif - return; - } - - SkCanvas* canvas = ctxt->platformContext()->mCanvas; - SkPaint paint; - - ctxt->setupBitmapPaint(&paint); // need global alpha among other things - paint.setFilterBitmap(true); - paint.setXfermodeMode(WebCoreCompositeToSkiaComposite(compositeOp)); - fixPaintForBitmapsThatMaySeam(&paint); - canvas->drawBitmapRect(bitmap, &srcR, dstR, &paint); - -#ifdef TRACE_SUBSAMPLED_BITMAPS - if (bitmap.width() != image->origWidth() || - bitmap.height() != image->origHeight()) { - SkDebugf("--- BitmapImage::draw [%d %d] orig [%d %d]\n", - bitmap.width(), bitmap.height(), - image->origWidth(), image->origHeight()); - } -#endif -} - -void BitmapImage::setURL(const String& str) -{ - m_source.setURL(str); -} - -/////////////////////////////////////////////////////////////////////////////// - -void Image::drawPattern(GraphicsContext* ctxt, const FloatRect& srcRect, - const AffineTransform& patternTransform, - const FloatPoint& phase, ColorSpace, - CompositeOperator compositeOp, const FloatRect& destRect) -{ - SkBitmapRef* image = this->nativeImageForCurrentFrame(); - if (!image) { // If it's too early we won't have an image yet. - return; - } - - // in case we get called with an incomplete bitmap - const SkBitmap& origBitmap = image->bitmap(); - if (origBitmap.getPixels() == NULL && origBitmap.pixelRef() == NULL) { - return; - } - - SkRect dstR(destRect); - if (dstR.isEmpty()) { - return; - } - - SkIRect srcR; - // we may have to scale if the image has been subsampled (so save RAM) - bool imageIsSubSampled = image->origWidth() != origBitmap.width() || - image->origHeight() != origBitmap.height(); - float scaleX = 1; - float scaleY = 1; - if (imageIsSubSampled) { - scaleX = (float)image->origWidth() / origBitmap.width(); - scaleY = (float)image->origHeight() / origBitmap.height(); -// SkDebugf("----- subsampled %g %g\n", scaleX, scaleY); - round_scaled(&srcR, srcRect, 1 / scaleX, 1 / scaleY); - } else { - round(&srcR, srcRect); - } - - // now extract the proper subset of the src image - SkBitmap bitmap; - if (!origBitmap.extractSubset(&bitmap, srcR)) { - SkDebugf("--- Image::drawPattern calling extractSubset failed\n"); - return; - } - - SkCanvas* canvas = ctxt->platformContext()->mCanvas; - SkPaint paint; - ctxt->setupBitmapPaint(&paint); // need global alpha among other things - - SkShader* shader = SkShader::CreateBitmapShader(bitmap, - SkShader::kRepeat_TileMode, - SkShader::kRepeat_TileMode); - paint.setShader(shader)->unref(); - // now paint is the only owner of shader - paint.setXfermodeMode(WebCoreCompositeToSkiaComposite(compositeOp)); - paint.setFilterBitmap(true); - fixPaintForBitmapsThatMaySeam(&paint); - - SkMatrix matrix(patternTransform); - - if (imageIsSubSampled) { - matrix.preScale(SkFloatToScalar(scaleX), SkFloatToScalar(scaleY)); - } - // We also need to translate it such that the origin of the pattern is the - // origin of the destination rect, which is what WebKit expects. Skia uses - // the coordinate system origin as the base for the patter. If WebKit wants - // a shifted image, it will shift it from there using the patternTransform. - float tx = phase.x() + srcRect.x() * patternTransform.a(); - float ty = phase.y() + srcRect.y() * patternTransform.d(); - matrix.postTranslate(SkFloatToScalar(tx), SkFloatToScalar(ty)); - shader->setLocalMatrix(matrix); -#if 0 - SkDebugf("--- drawPattern: src [%g %g %g %g] dst [%g %g %g %g] transform [%g %g %g %g %g %g] matrix [%g %g %g %g %g %g]\n", - srcRect.x(), srcRect.y(), srcRect.width(), srcRect.height(), - destRect.x(), destRect.y(), destRect.width(), destRect.height(), - patternTransform.a(), patternTransform.b(), patternTransform.c(), - patternTransform.d(), patternTransform.e(), patternTransform.f(), - matrix[0], matrix[1], matrix[2], matrix[3], matrix[4], matrix[5]); -#endif - canvas->drawRect(dstR, paint); - -#ifdef TRACE_SUBSAMPLED_BITMAPS - if (bitmap.width() != image->origWidth() || - bitmap.height() != image->origHeight()) { - SkDebugf("--- Image::drawPattern [%d %d] orig [%d %d] dst [%g %g]\n", - bitmap.width(), bitmap.height(), - image->origWidth(), image->origHeight(), - SkScalarToFloat(dstR.width()), SkScalarToFloat(dstR.height())); - } -#endif -} - -// missingImage, textAreaResizeCorner -PassRefPtr<Image> Image::loadPlatformResource(const char *name) -{ - android::AssetManager* am = globalAssetManager(); - - SkString path("webkit/"); - path.append(name); - path.append(".png"); - - android::Asset* a = am->open(path.c_str(), - android::Asset::ACCESS_BUFFER); - if (a == NULL) { - SkDebugf("---------------- failed to open image asset %s\n", name); - return NULL; - } - - SkAutoTDelete<android::Asset> ad(a); - - SkBitmap bm; - if (SkImageDecoder::DecodeMemory(a->getBuffer(false), a->getLength(), &bm)) { - SkBitmapRef* ref = new SkBitmapRef(bm); - // create will call ref(), so we need aur() to release ours upon return - SkAutoUnref aur(ref); - return BitmapImage::create(ref, 0); - } - return Image::nullImage(); -} - -} // namespace |