external/webkit r30707

1 files changed, 99 insertions, 0 deletions

diff --git a/WebCore/platform/graphics/qt/ImageDecoderQt.h b/WebCore/platform/graphics/qt/ImageDecoderQt.h
new file mode 100644
index 0000000..32f91d1
--- /dev/null
+++ b/WebCore/platform/graphics/qt/ImageDecoderQt.h
@@ -0,0 +1,99 @@
+/*
+ * Copyright (C) 2006 Friedemann Kleint <fkleint@trolltech.com>
+ * Copyright (C) 2006 Trolltech ASA
+ *
+ * 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 COMPUTER, INC. ``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.
+ */
+
+#ifndef ImageDecoderQt_h
+#define ImageDecoderQt_h
+
+#include "ImageDecoder.h"
+#include <QtGui/QImage>
+#include <QtGui/QPixmap>
+#include <QtCore/QList>
+#include <QtCore/QHash>
+
+namespace WebCore {
+
+
+class ImageDecoderQt : public ImageDecoder
+{
+    ImageDecoderQt(const ImageDecoderQt&);
+    ImageDecoderQt &operator=(const ImageDecoderQt&);
+public:
+    ImageDecoderQt();
+    ~ImageDecoderQt();
+
+    typedef Vector<char> IncomingData;
+
+    virtual void setData(const IncomingData& data, bool allDataReceived);
+
+    virtual bool isSizeAvailable() const;
+
+    virtual int frameCount() const;
+
+
+    virtual int repetitionCount() const;
+
+
+    virtual RGBA32Buffer* frameBufferAtIndex(size_t index);
+
+    QPixmap* imageAtIndex(size_t index) const;
+
+    virtual bool supportsAlpha() const;
+
+    int duration(size_t index) const;
+
+    void clearFrame(size_t index);
+private:
+    class ReadContext;
+    void reset();
+    bool hasFirstImageHeader() const;
+
+    enum ImageState {
+        // Started image reading
+        ImagePartial,
+            // Header (size / alpha) are known
+            ImageHeaderValid,
+            // Image is complete
+            ImageComplete };
+
+    struct ImageData {
+        ImageData(const QImage& image, ImageState imageState = ImagePartial, int duration=0);
+        QImage m_image;
+        ImageState m_imageState;
+        int m_duration;
+    };
+
+    typedef QList<ImageData> ImageList;
+    ImageList m_imageList;
+    mutable QHash<int, QPixmap> m_pixmapCache;
+    int m_loopCount;
+};
+
+
+
+}
+
+#endif
+