Add m-esr52 at 52.6.0

1 files changed, 168 insertions, 0 deletions

diff --git a/gfx/2d/DrawTargetCapture.h b/gfx/2d/DrawTargetCapture.h
new file mode 100644
index 000000000..a60e07b56
--- /dev/null
+++ b/gfx/2d/DrawTargetCapture.h
@@ -0,0 +1,168 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef MOZILLA_GFX_DRAWTARGETCAPTURE_H_
+#define MOZILLA_GFX_DRAWTARGETCAPTURE_H_
+
+#include "2D.h"
+#include <vector>
+
+#include "Filters.h"
+
+namespace mozilla {
+namespace gfx {
+
+class DrawingCommand;
+
+class DrawTargetCaptureImpl : public DrawTargetCapture
+{
+public:
+  DrawTargetCaptureImpl()
+  {}
+
+  bool Init(const IntSize& aSize, DrawTarget* aRefDT);
+
+  virtual BackendType GetBackendType() const { return mRefDT->GetBackendType(); }
+  virtual DrawTargetType GetType() const { return mRefDT->GetType(); }
+
+  virtual already_AddRefed<SourceSurface> Snapshot();
+
+  virtual void DetachAllSnapshots();
+
+  virtual IntSize GetSize() { return mSize; }
+
+  virtual void Flush() {}
+  virtual void DrawSurface(SourceSurface *aSurface,
+                           const Rect &aDest,
+                           const Rect &aSource,
+                           const DrawSurfaceOptions &aSurfOptions,
+                           const DrawOptions &aOptions);
+  virtual void DrawFilter(FilterNode *aNode,
+                          const Rect &aSourceRect,
+                          const Point &aDestPoint,
+                          const DrawOptions &aOptions = DrawOptions());
+  virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
+                                     const Point &aDest,
+                                     const Color &aColor,
+                                     const Point &aOffset,
+                                     Float aSigma,
+                                     CompositionOp aOperator) { /* Not implemented */ }
+
+  virtual void ClearRect(const Rect &aRect);
+  virtual void MaskSurface(const Pattern &aSource,
+                           SourceSurface *aMask,
+                           Point aOffset,
+                           const DrawOptions &aOptions = DrawOptions());
+
+  virtual void CopySurface(SourceSurface *aSurface,
+                           const IntRect &aSourceRect,
+                           const IntPoint &aDestination);
+
+  virtual void FillRect(const Rect &aRect,
+                        const Pattern &aPattern,
+                        const DrawOptions &aOptions = DrawOptions());
+  virtual void StrokeRect(const Rect &aRect,
+                          const Pattern &aPattern,
+                          const StrokeOptions &aStrokeOptions = StrokeOptions(),
+                          const DrawOptions &aOptions = DrawOptions());
+  virtual void StrokeLine(const Point &aStart,
+                          const Point &aEnd,
+                          const Pattern &aPattern,
+                          const StrokeOptions &aStrokeOptions = StrokeOptions(),
+                          const DrawOptions &aOptions = DrawOptions());
+  virtual void Stroke(const Path *aPath,
+                      const Pattern &aPattern,
+                      const StrokeOptions &aStrokeOptions = StrokeOptions(),
+                      const DrawOptions &aOptions = DrawOptions());
+  virtual void Fill(const Path *aPath,
+                    const Pattern &aPattern,
+                    const DrawOptions &aOptions = DrawOptions());
+  virtual void FillGlyphs(ScaledFont *aFont,
+                          const GlyphBuffer &aBuffer,
+                          const Pattern &aPattern,
+                          const DrawOptions &aOptions = DrawOptions(),
+                          const GlyphRenderingOptions *aRenderingOptions = nullptr);
+  virtual void Mask(const Pattern &aSource,
+                    const Pattern &aMask,
+                    const DrawOptions &aOptions = DrawOptions());
+  virtual void PushClip(const Path *aPath);
+  virtual void PushClipRect(const Rect &aRect);
+  virtual void PopClip();
+
+  virtual void SetTransform(const Matrix &aTransform);
+
+  virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
+                                                                  const IntSize &aSize,
+                                                                  int32_t aStride,
+                                                                  SurfaceFormat aFormat) const
+  {
+    return mRefDT->CreateSourceSurfaceFromData(aData, aSize, aStride, aFormat);
+  }
+  virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const
+  {
+    return mRefDT->OptimizeSourceSurface(aSurface);
+  }
+
+  virtual already_AddRefed<SourceSurface>
+    CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const
+  {
+    return mRefDT->CreateSourceSurfaceFromNativeSurface(aSurface);
+  }
+
+  virtual already_AddRefed<DrawTarget>
+    CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const
+  {
+    return mRefDT->CreateSimilarDrawTarget(aSize, aFormat);
+  }
+
+  virtual already_AddRefed<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const
+  {
+    return mRefDT->CreatePathBuilder(aFillRule);
+  }
+
+  virtual already_AddRefed<GradientStops>
+    CreateGradientStops(GradientStop *aStops,
+                        uint32_t aNumStops,
+                        ExtendMode aExtendMode = ExtendMode::CLAMP) const
+  {
+    return mRefDT->CreateGradientStops(aStops, aNumStops, aExtendMode);
+  }
+  virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType)
+  {
+    return mRefDT->CreateFilter(aType);
+  }
+
+  void ReplayToDrawTarget(DrawTarget* aDT, const Matrix& aTransform);
+
+protected:
+  ~DrawTargetCaptureImpl();
+
+private:
+
+  // This storage system was used to minimize the amount of heap allocations
+  // that are required while recording. It should be noted there's no
+  // guarantees on the alignments of DrawingCommands allocated in this array.
+  template<typename T>
+  T* AppendToCommandList()
+  {
+    size_t oldSize = mDrawCommandStorage.size();
+    mDrawCommandStorage.resize(mDrawCommandStorage.size() + sizeof(T) + sizeof(uint32_t));
+    uint8_t* nextDrawLocation = &mDrawCommandStorage.front() + oldSize;
+    *(uint32_t*)(nextDrawLocation) = sizeof(T) + sizeof(uint32_t);
+    return reinterpret_cast<T*>(nextDrawLocation + sizeof(uint32_t));
+  }
+  RefPtr<DrawTarget> mRefDT;
+
+  IntSize mSize;
+
+  std::vector<uint8_t> mDrawCommandStorage;
+};
+
+} // namespace gfx
+
+} // namespace mozilla
+
+
+#endif /* MOZILLA_GFX_DRAWTARGETCAPTURE_H_ */