webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 64 insertions, 0 deletions

diff --git a/Source/WebCore/platform/graphics/texmap/BitmapTexture.cpp b/Source/WebCore/platform/graphics/texmap/BitmapTexture.cpp
new file mode 100644
index 000000000..487077be9
--- /dev/null
+++ b/Source/WebCore/platform/graphics/texmap/BitmapTexture.cpp
@@ -0,0 +1,64 @@
+/*
+ * Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies)
+ * Copyright (C) 2014 Igalia S.L.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. 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 APPLE INC. AND ITS CONTRIBUTORS ``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 INC. OR ITS 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 "BitmapTexture.h"
+
+#include "GraphicsLayer.h"
+#include "ImageBuffer.h"
+#include "TextureMapper.h"
+
+namespace WebCore {
+
+void BitmapTexture::updateContents(TextureMapper&, GraphicsLayer* sourceLayer, const IntRect& targetRect, const IntPoint& offset, UpdateContentsFlag updateContentsFlag, float scale)
+{
+    // Making an unconditionally unaccelerated buffer here is OK because this code
+    // isn't used by any platforms that respect the accelerated bit.
+    std::unique_ptr<ImageBuffer> imageBuffer = ImageBuffer::create(targetRect.size(), Unaccelerated);
+
+    if (!imageBuffer)
+        return;
+
+    GraphicsContext& context = imageBuffer->context();
+    context.setImageInterpolationQuality(InterpolationDefault);
+    context.setTextDrawingMode(TextModeFill);
+
+    IntRect sourceRect(targetRect);
+    sourceRect.setLocation(offset);
+    sourceRect.scale(1 / scale);
+    context.applyDeviceScaleFactor(scale);
+    context.translate(-sourceRect.x(), -sourceRect.y());
+
+    sourceLayer->paintGraphicsLayerContents(context, sourceRect);
+
+    RefPtr<Image> image = imageBuffer->copyImage(DontCopyBackingStore);
+    if (!image)
+        return;
+
+    updateContents(image.get(), targetRect, IntPoint(), updateContentsFlag);
+}
+
+} // namespace