First pieces of SkPDFDevice. Supports:
Matrix transforms.
Rendering bitmaps.
Basic paint parameters.
Rendering rectangles, points, lines, polygons.
Render a paint to the page.
Review URL: http://codereview.appspot.com/2584041
git-svn-id: http://skia.googlecode.com/svn/trunk@614 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/include/pdf/SkPDFImage.h b/include/pdf/SkPDFImage.h
new file mode 100644
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+++ b/include/pdf/SkPDFImage.h
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+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef SkPDFImage_DEFINED
+#define SkPDFImage_DEFINED
+
+#include "SkPDFStream.h"
+#include "SkPDFTypes.h"
+#include "SkRefCnt.h"
+
+class SkBitmap;
+class SkPaint;
+class SkPDFCatalog;
+
+/** \class SkPDFImage
+
+ An image XObject.
+*/
+
+// We could play the same trick here as is done in SkPDFGraphicState, storing
+// a copy of the Bitmap object (not the pixels), the pixel generation number,
+// and settings used from the paint to canonicalize image objects.
+class SkPDFImage : public SkPDFObject {
+public:
+ /** Create a PDF image XObject. Entries for the image properties are
+ * automatically added to the stream dictionary.
+ * @param bitmap The image to use.
+ * @param paint Used to calculate alpha, masks, etc.
+ */
+ SkPDFImage(const SkBitmap& bitmap, const SkPaint& paint);
+ virtual ~SkPDFImage();
+
+ // The SkPDFObject interface.
+ virtual void emitObject(SkWStream* stream, SkPDFCatalog* catalog,
+ bool indirect);
+ virtual size_t getOutputSize(SkPDFCatalog* catalog, bool indirect);
+
+ /** Add the value to the stream dictionary with the given key.
+ * @param key The key for this dictionary entry.
+ * @param value The value for this dictionary entry.
+ */
+ void insert(SkPDFName* key, SkPDFObject* value);
+
+ /** Add the value to the stream dictionary with the given key.
+ * @param key The text of the key for this dictionary entry.
+ * @param value The value for this dictionary entry.
+ */
+ void insert(const char key[], SkPDFObject* value);
+
+private:
+ SkRefPtr<SkPDFStream> fStream;
+};
+
+#endif