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Diffstat (limited to 'WebCore/platform/graphics/android/ImageBufferAndroid.cpp')
-rw-r--r-- | WebCore/platform/graphics/android/ImageBufferAndroid.cpp | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/WebCore/platform/graphics/android/ImageBufferAndroid.cpp b/WebCore/platform/graphics/android/ImageBufferAndroid.cpp deleted file mode 100644 index de88b33..0000000 --- a/WebCore/platform/graphics/android/ImageBufferAndroid.cpp +++ /dev/null @@ -1,216 +0,0 @@ -/* - * Copyright 2007, The Android Open Source Project - * - * 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 APPLE COMPUTER, INC. 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 "BitmapImage.h" -#include "ImageBuffer.h" -#include "ImageData.h" -#include "NotImplemented.h" - -#include "android_graphics.h" -#include "GraphicsContext.h" -#include "PlatformGraphicsContext.h" -#include "SkBitmapRef.h" -#include "SkCanvas.h" -#include "SkColorPriv.h" -#include "SkDevice.h" -#include "SkUnPreMultiply.h" - -using namespace std; - -namespace WebCore { - -ImageBufferData::ImageBufferData(const IntSize&) -{ -} - -ImageBuffer::ImageBuffer(const IntSize& size, bool grayScale, bool& success) - : m_data(size) - , m_size(size) -{ - m_context.set(GraphicsContext::createOffscreenContext(size.width(), size.height())); - success = true; -} - -ImageBuffer::~ImageBuffer() -{ -} - -GraphicsContext* ImageBuffer::context() const -{ - return m_context.get(); -} - -/* This guy needs to make a deep copy of the bitmap, so that the returned - image doesn't reflect any subsequent changes to the canvas' backend. - e.g. this is called when <canvas> wants to make a Pattern, which needs - to snapshot the current pixels when it is created. - */ -Image* ImageBuffer::image() const -{ - if (!m_image) { - ASSERT(context()); - SkCanvas* canvas = context()->platformContext()->mCanvas; - SkDevice* device = canvas->getDevice(); - const SkBitmap& orig = device->accessBitmap(false); - - SkBitmap copy; - orig.copyTo(©, orig.config()); - - SkBitmapRef* ref = new SkBitmapRef(copy); - m_image = BitmapImage::create(ref, 0); - ref->unref(); - } - return m_image.get(); -} - -PassRefPtr<ImageData> ImageBuffer::getImageData(const IntRect& rect) const -{ - GraphicsContext* gc = this->context(); - if (!gc) { - return 0; - } - - const SkBitmap& src = android_gc2canvas(gc)->getDevice()->accessBitmap(false); - SkAutoLockPixels alp(src); - if (!src.getPixels()) { - return 0; - } - - PassRefPtr<ImageData> result = ImageData::create(rect.width(), rect.height()); - unsigned char* data = result->data()->data().data(); - - if (rect.x() < 0 || rect.y() < 0 || (rect.x() + rect.width()) > m_size.width() || (rect.y() + rect.height()) > m_size.height()) - memset(data, 0, result->data()->length()); - - int originx = rect.x(); - int destx = 0; - if (originx < 0) { - destx = -originx; - originx = 0; - } - int endx = rect.x() + rect.width(); - if (endx > m_size.width()) - endx = m_size.width(); - int numColumns = endx - originx; - - int originy = rect.y(); - int desty = 0; - if (originy < 0) { - desty = -originy; - originy = 0; - } - int endy = rect.y() + rect.height(); - if (endy > m_size.height()) - endy = m_size.height(); - int numRows = endy - originy; - - unsigned srcPixelsPerRow = src.rowBytesAsPixels(); - unsigned destBytesPerRow = 4 * rect.width(); - - const SkPMColor* srcRows = src.getAddr32(originx, originy); - unsigned char* destRows = data + desty * destBytesPerRow + destx * 4; - for (int y = 0; y < numRows; ++y) { - for (int x = 0; x < numColumns; x++) { - // ugh, it appears they want unpremultiplied pixels - SkColor c = SkUnPreMultiply::PMColorToColor(srcRows[x]); - int basex = x * 4; - destRows[basex + 0] = SkColorGetR(c); - destRows[basex + 1] = SkColorGetG(c); - destRows[basex + 2] = SkColorGetB(c); - destRows[basex + 3] = SkColorGetA(c); - } - srcRows += srcPixelsPerRow; - destRows += destBytesPerRow; - } - return result; -} - -void ImageBuffer::putImageData(ImageData* source, const IntRect& sourceRect, const IntPoint& destPoint) -{ - GraphicsContext* gc = this->context(); - if (!gc) { - return; - } - - const SkBitmap& dst = android_gc2canvas(gc)->getDevice()->accessBitmap(true); - SkAutoLockPixels alp(dst); - if (!dst.getPixels()) { - return; - } - - ASSERT(sourceRect.width() > 0); - ASSERT(sourceRect.height() > 0); - - int originx = sourceRect.x(); - int destx = destPoint.x() + sourceRect.x(); - ASSERT(destx >= 0); - ASSERT(destx < m_size.width()); - ASSERT(originx >= 0); - ASSERT(originx <= sourceRect.right()); - - int endx = destPoint.x() + sourceRect.right(); - ASSERT(endx <= m_size.width()); - - int numColumns = endx - destx; - - int originy = sourceRect.y(); - int desty = destPoint.y() + sourceRect.y(); - ASSERT(desty >= 0); - ASSERT(desty < m_size.height()); - ASSERT(originy >= 0); - ASSERT(originy <= sourceRect.bottom()); - - int endy = destPoint.y() + sourceRect.bottom(); - ASSERT(endy <= m_size.height()); - int numRows = endy - desty; - - unsigned srcBytesPerRow = 4 * source->width(); - unsigned dstPixelsPerRow = dst.rowBytesAsPixels(); - - unsigned char* srcRows = source->data()->data().data() + originy * srcBytesPerRow + originx * 4; - SkPMColor* dstRows = dst.getAddr32(destx, desty); - for (int y = 0; y < numRows; ++y) { - for (int x = 0; x < numColumns; x++) { - int basex = x * 4; - dstRows[x] = SkPackARGB32(srcRows[basex + 3], - srcRows[basex + 0], - srcRows[basex + 1], - srcRows[basex + 2]); - } - dstRows += dstPixelsPerRow; - srcRows += srcBytesPerRow; - } -} - - -String ImageBuffer::toDataURL(const String&) const -{ - // leaving this unimplemented, until I understand what its for (and what it - // really is). - return "data:,"; // I think this means we couldn't make the data url -} - -} |