1 files changed, 88 insertions, 0 deletions
diff --git a/Source/WebCore/platform/graphics/texmap/BitmapTextureImageBuffer.cpp b/Source/WebCore/platform/graphics/texmap/BitmapTextureImageBuffer.cpp
new file mode 100644
index 000000000..ee677c2a2
--- /dev/null
+++ b/Source/WebCore/platform/graphics/texmap/BitmapTextureImageBuffer.cpp
@@ -0,0 +1,88 @@
+/*
+ * 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 "BitmapTextureImageBuffer.h"
+
+#include "GraphicsLayer.h"
+
+#if PLATFORM(QT)
+#include "GraphicsContext.h"
+#include "NativeImageQt.h"
+#endif
+
+namespace WebCore {
+
+void BitmapTextureImageBuffer::updateContents(const void* data, const IntRect& targetRect, const IntPoint& sourceOffset, int bytesPerLine, UpdateContentsFlag)
+{
+#if PLATFORM(QT)
+    QImage image(reinterpret_cast<const uchar*>(data), targetRect.width(), targetRect.height(), bytesPerLine, NativeImageQt::defaultFormatForAlphaEnabledImages());
+
+    QPainter* painter = m_image->context().platformContext();
+    painter->save();
+    painter->setCompositionMode(QPainter::CompositionMode_Source);
+    painter->drawImage(targetRect, image, IntRect(sourceOffset, targetRect.size()));
+    painter->restore();
+#elif PLATFORM(CAIRO)
+    RefPtr<cairo_surface_t> surface = adoptRef(cairo_image_surface_create_for_data(static_cast<unsigned char*>(data()),
+        CAIRO_FORMAT_ARGB32, targetRect.width(), targetRect.height(), bytesPerLine));
+    m_image->context()->platformContext()->drawSurfaceToContext(surface.get(), targetRect,
+        IntRect(sourceOffset, targetRect.size()), m_image->context());
+#else
+    UNUSED_PARAM(data);
+    UNUSED_PARAM(targetRect);
+    UNUSED_PARAM(sourceOffset);
+    UNUSED_PARAM(bytesPerLine);
+#endif
+}
+
+void BitmapTextureImageBuffer::updateContents(TextureMapper&, GraphicsLayer* sourceLayer, const IntRect& targetRect, const IntPoint& sourceOffset, UpdateContentsFlag, float scale)
+{
+    // QTFIXME: Handle scale, like BitmapTexture::updateContents
+    GraphicsContext& context = m_image->context();
+
+    context.clearRect(targetRect);
+
+    IntRect sourceRect(targetRect);
+    sourceRect.setLocation(sourceOffset);
+    context.save();
+    context.clip(targetRect);
+    context.translate(targetRect.x() - sourceOffset.x(), targetRect.y() - sourceOffset.y());
+    sourceLayer->paintGraphicsLayerContents(context, sourceRect);
+    context.restore();
+}
+
+void BitmapTextureImageBuffer::didReset()
+{
+    m_image = ImageBuffer::create(contentSize(), Unaccelerated);
+}
+
+void BitmapTextureImageBuffer::updateContents(Image* image, const IntRect& targetRect, const IntPoint& offset, UpdateContentsFlag)
+{
+    m_image->context().drawImage(*image, targetRect, IntRect(offset, targetRect.size()), CompositeCopy);
+}
+
+} // namespace WebCore