Add m-esr52 at 52.6.0

1 files changed, 221 insertions, 0 deletions

diff --git a/gfx/2d/DrawTargetTiled.h b/gfx/2d/DrawTargetTiled.h
new file mode 100644
index 000000000..23e8318a3
--- /dev/null
+++ b/gfx/2d/DrawTargetTiled.h
@@ -0,0 +1,221 @@
+/* -*- Mode: C++; tab-width: 20; 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_DRAWTARGETTILED_H_
+#define MOZILLA_GFX_DRAWTARGETTILED_H_
+
+#include "2D.h"
+#include "Filters.h"
+#include "Logging.h"
+
+#include <vector>
+
+namespace mozilla {
+namespace gfx {
+
+struct TileInternal : public Tile {
+  TileInternal()
+    : mClippedOut(false)
+  {}
+
+  explicit TileInternal(const Tile& aOther)
+    : Tile(aOther)
+    , mClippedOut(false)
+  {}
+
+  bool mClippedOut;
+};
+
+
+class DrawTargetTiled : public DrawTarget
+{
+public:
+  DrawTargetTiled();
+
+  bool Init(const TileSet& mTiles);
+
+  virtual bool IsTiledDrawTarget() const override { return true; }
+
+  virtual DrawTargetType GetType() const override { return mTiles[0].mDrawTarget->GetType(); }
+  virtual BackendType GetBackendType() const override { return mTiles[0].mDrawTarget->GetBackendType(); }
+  virtual already_AddRefed<SourceSurface> Snapshot() override;
+  virtual void DetachAllSnapshots() override;
+  virtual IntSize GetSize() override {
+    MOZ_ASSERT(mRect.width > 0 && mRect.height > 0);
+    return IntSize(mRect.XMost(), mRect.YMost());
+  }
+
+  virtual void Flush() override;
+  virtual void DrawSurface(SourceSurface *aSurface,
+                           const Rect &aDest,
+                           const Rect &aSource,
+                           const DrawSurfaceOptions &aSurfOptions,
+                           const DrawOptions &aOptions) override;
+  virtual void DrawFilter(FilterNode *aNode,
+                          const Rect &aSourceRect,
+                          const Point &aDestPoint,
+                          const DrawOptions &aOptions = DrawOptions()) override;
+  virtual void DrawSurfaceWithShadow(SourceSurface *aSurface,
+                                     const Point &aDest,
+                                     const Color &aColor,
+                                     const Point &aOffset,
+                                     Float aSigma,
+                                     CompositionOp aOperator) override { /* Not implemented */ MOZ_CRASH("GFX: DrawSurfaceWithShadow"); }
+
+  virtual void ClearRect(const Rect &aRect) override;
+  virtual void MaskSurface(const Pattern &aSource,
+                           SourceSurface *aMask,
+                           Point aOffset,
+                           const DrawOptions &aOptions = DrawOptions()) override;
+
+  virtual void CopySurface(SourceSurface *aSurface,
+                           const IntRect &aSourceRect,
+                           const IntPoint &aDestination) override;
+
+  virtual void FillRect(const Rect &aRect,
+                        const Pattern &aPattern,
+                        const DrawOptions &aOptions = DrawOptions()) override;
+  virtual void StrokeRect(const Rect &aRect,
+                          const Pattern &aPattern,
+                          const StrokeOptions &aStrokeOptions = StrokeOptions(),
+                          const DrawOptions &aOptions = DrawOptions()) override;
+  virtual void StrokeLine(const Point &aStart,
+                          const Point &aEnd,
+                          const Pattern &aPattern,
+                          const StrokeOptions &aStrokeOptions = StrokeOptions(),
+                          const DrawOptions &aOptions = DrawOptions()) override;
+  virtual void Stroke(const Path *aPath,
+                      const Pattern &aPattern,
+                      const StrokeOptions &aStrokeOptions = StrokeOptions(),
+                      const DrawOptions &aOptions = DrawOptions()) override;
+  virtual void Fill(const Path *aPath,
+                    const Pattern &aPattern,
+                    const DrawOptions &aOptions = DrawOptions()) override;
+  virtual void FillGlyphs(ScaledFont *aFont,
+                          const GlyphBuffer &aBuffer,
+                          const Pattern &aPattern,
+                          const DrawOptions &aOptions = DrawOptions(),
+                          const GlyphRenderingOptions *aRenderingOptions = nullptr) override;
+  virtual void Mask(const Pattern &aSource,
+                    const Pattern &aMask,
+                    const DrawOptions &aOptions = DrawOptions()) override;
+  virtual void PushClip(const Path *aPath) override;
+  virtual void PushClipRect(const Rect &aRect) override;
+  virtual void PopClip() override;
+  virtual void PushLayer(bool aOpaque, Float aOpacity,
+                         SourceSurface* aMask,
+                         const Matrix& aMaskTransform,
+                         const IntRect& aBounds = IntRect(),
+                         bool aCopyBackground = false) override;
+  virtual void PopLayer() override;
+
+
+  virtual void SetTransform(const Matrix &aTransform) override;
+
+  virtual already_AddRefed<SourceSurface> CreateSourceSurfaceFromData(unsigned char *aData,
+                                                                  const IntSize &aSize,
+                                                                  int32_t aStride,
+                                                                  SurfaceFormat aFormat) const override
+  {
+    return mTiles[0].mDrawTarget->CreateSourceSurfaceFromData(aData, aSize, aStride, aFormat);
+  }
+  virtual already_AddRefed<SourceSurface> OptimizeSourceSurface(SourceSurface *aSurface) const override
+  {
+    return mTiles[0].mDrawTarget->OptimizeSourceSurface(aSurface);
+  }
+
+  virtual already_AddRefed<SourceSurface>
+    CreateSourceSurfaceFromNativeSurface(const NativeSurface &aSurface) const override
+  {
+    return mTiles[0].mDrawTarget->CreateSourceSurfaceFromNativeSurface(aSurface);
+  }
+
+  virtual already_AddRefed<DrawTarget>
+    CreateSimilarDrawTarget(const IntSize &aSize, SurfaceFormat aFormat) const override
+  {
+    return mTiles[0].mDrawTarget->CreateSimilarDrawTarget(aSize, aFormat);
+  }
+
+  virtual already_AddRefed<PathBuilder> CreatePathBuilder(FillRule aFillRule = FillRule::FILL_WINDING) const override
+  {
+    return mTiles[0].mDrawTarget->CreatePathBuilder(aFillRule);
+  }
+
+  virtual already_AddRefed<GradientStops>
+    CreateGradientStops(GradientStop *aStops,
+                        uint32_t aNumStops,
+                        ExtendMode aExtendMode = ExtendMode::CLAMP) const override
+  {
+    return mTiles[0].mDrawTarget->CreateGradientStops(aStops, aNumStops, aExtendMode);
+  }
+  virtual already_AddRefed<FilterNode> CreateFilter(FilterType aType) override
+  {
+    return mTiles[0].mDrawTarget->CreateFilter(aType);
+  }
+
+private:
+  std::vector<TileInternal> mTiles;
+  std::vector<std::vector<uint32_t> > mClippedOutTilesStack;
+  IntRect mRect;
+};
+
+class SnapshotTiled : public SourceSurface
+{
+public:
+  SnapshotTiled(const std::vector<TileInternal>& aTiles, const IntRect& aRect)
+    : mRect(aRect)
+  {
+    for (size_t i = 0; i < aTiles.size(); i++) {
+      mSnapshots.push_back(aTiles[i].mDrawTarget->Snapshot());
+      mOrigins.push_back(aTiles[i].mTileOrigin);
+    }
+  }
+
+  virtual SurfaceType GetType() const { return SurfaceType::TILED; }
+  virtual IntSize GetSize() const {
+    MOZ_ASSERT(mRect.width > 0 && mRect.height > 0);
+    return IntSize(mRect.XMost(), mRect.YMost());
+  }
+  virtual SurfaceFormat GetFormat() const { return mSnapshots[0]->GetFormat(); }
+
+  virtual already_AddRefed<DataSourceSurface> GetDataSurface()
+  {
+    RefPtr<DataSourceSurface> surf = Factory::CreateDataSourceSurface(GetSize(), GetFormat());
+
+    DataSourceSurface::MappedSurface mappedSurf;
+    if (!surf->Map(DataSourceSurface::MapType::WRITE, &mappedSurf)) {
+      gfxCriticalError() << "DrawTargetTiled::GetDataSurface failed to map surface";
+      return nullptr;
+    }
+
+    {
+      RefPtr<DrawTarget> dt =
+        Factory::CreateDrawTargetForData(BackendType::CAIRO, mappedSurf.mData,
+        GetSize(), mappedSurf.mStride, GetFormat());
+
+      if (!dt) {
+        gfxWarning() << "DrawTargetTiled::GetDataSurface failed in CreateDrawTargetForData";
+        surf->Unmap();
+        return nullptr;
+      }
+      for (size_t i = 0; i < mSnapshots.size(); i++) {
+        RefPtr<DataSourceSurface> dataSurf = mSnapshots[i]->GetDataSurface();
+        dt->CopySurface(dataSurf, IntRect(IntPoint(0, 0), mSnapshots[i]->GetSize()), mOrigins[i]);
+      }
+    }
+    surf->Unmap();
+
+    return surf.forget();
+  }
+
+  std::vector<RefPtr<SourceSurface>> mSnapshots;
+  std::vector<IntPoint> mOrigins;
+  IntRect mRect;
+};
+
+} // namespace gfx
+} // namespace mozilla
+
+#endif