Add m-esr52 at 52.6.0

1 files changed, 182 insertions, 0 deletions

diff --git a/gfx/thebes/gfxDrawable.h b/gfx/thebes/gfxDrawable.h
new file mode 100644
index 000000000..487bd9c54
--- /dev/null
+++ b/gfx/thebes/gfxDrawable.h
@@ -0,0 +1,182 @@
+/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * 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 GFX_DRAWABLE_H
+#define GFX_DRAWABLE_H
+
+#include "gfxRect.h"
+#include "gfxMatrix.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/gfx/Types.h"
+
+class gfxContext;
+class gfxPattern;
+
+/**
+ * gfxDrawable
+ * An Interface representing something that has an intrinsic size and can draw
+ * itself repeatedly.
+ */
+class gfxDrawable {
+    NS_INLINE_DECL_REFCOUNTING(gfxDrawable)
+public:
+    typedef mozilla::gfx::AntialiasMode AntialiasMode;
+    typedef mozilla::gfx::CompositionOp CompositionOp;
+    typedef mozilla::gfx::DrawTarget DrawTarget;
+
+    explicit gfxDrawable(const mozilla::gfx::IntSize aSize)
+     : mSize(aSize) {}
+
+    /**
+     * Draw into aContext filling aFillRect, possibly repeating, using aSamplingFilter.
+     * aTransform is a userspace to "image"space matrix. For example, if Draw
+     * draws using a gfxPattern, this is the matrix that should be set on the
+     * pattern prior to rendering it.
+     *  @return whether drawing was successful
+     */
+    virtual bool Draw(gfxContext* aContext,
+                        const gfxRect& aFillRect,
+                        mozilla::gfx::ExtendMode aExtendMode,
+                        const mozilla::gfx::SamplingFilter aSamplingFilter,
+                        gfxFloat aOpacity = 1.0,
+                        const gfxMatrix& aTransform = gfxMatrix()) = 0;
+
+    virtual bool DrawWithSamplingRect(DrawTarget* aDrawTarget,
+                                      CompositionOp aOp,
+                                      AntialiasMode aAntialiasMode,
+                                      const gfxRect& aFillRect,
+                                      const gfxRect& aSamplingRect,
+                                      mozilla::gfx::ExtendMode aExtendMode,
+                                      const mozilla::gfx::SamplingFilter aSamplingFilter,
+                                      gfxFloat aOpacity = 1.0)
+    {
+        return false;
+    }
+
+    virtual mozilla::gfx::IntSize Size() { return mSize; }
+
+protected:
+    // Protected destructor, to discourage deletion outside of Release():
+    virtual ~gfxDrawable() {}
+
+    const mozilla::gfx::IntSize mSize;
+};
+
+/**
+ * gfxSurfaceDrawable
+ * A convenience implementation of gfxDrawable for surfaces.
+ */
+class gfxSurfaceDrawable : public gfxDrawable {
+public:
+    gfxSurfaceDrawable(mozilla::gfx::SourceSurface* aSurface, const mozilla::gfx::IntSize aSize,
+                       const gfxMatrix aTransform = gfxMatrix());
+    virtual ~gfxSurfaceDrawable() {}
+
+    virtual bool Draw(gfxContext* aContext,
+                        const gfxRect& aFillRect,
+                        mozilla::gfx::ExtendMode aExtendMode,
+                        const mozilla::gfx::SamplingFilter aSamplingFilter,
+                        gfxFloat aOpacity = 1.0,
+                        const gfxMatrix& aTransform = gfxMatrix());
+
+    virtual bool DrawWithSamplingRect(DrawTarget* aDrawTarget,
+                                      CompositionOp aOp,
+                                      AntialiasMode aAntialiasMode,
+                                      const gfxRect& aFillRect,
+                                      const gfxRect& aSamplingRect,
+                                      mozilla::gfx::ExtendMode aExtendMode,
+                                      const mozilla::gfx::SamplingFilter aSamplingFilter,
+                                      gfxFloat aOpacity = 1.0);
+
+protected:
+    void DrawInternal(DrawTarget* aDrawTarget,
+                      CompositionOp aOp,
+                      AntialiasMode aAntialiasMode,
+                      const gfxRect& aFillRect,
+                      const mozilla::gfx::IntRect& aSamplingRect,
+                      mozilla::gfx::ExtendMode aExtendMode,
+                      const mozilla::gfx::SamplingFilter aSamplingFilter,
+                      gfxFloat aOpacity,
+                      const gfxMatrix& aTransform = gfxMatrix());
+
+    RefPtr<mozilla::gfx::SourceSurface> mSourceSurface;
+    const gfxMatrix mTransform;
+};
+
+/**
+ * gfxDrawingCallback
+ * A simple drawing functor.
+ */
+class gfxDrawingCallback {
+    NS_INLINE_DECL_REFCOUNTING(gfxDrawingCallback)
+protected:
+    // Protected destructor, to discourage deletion outside of Release():
+    virtual ~gfxDrawingCallback() {}
+
+public:
+    /**
+     * Draw into aContext filling aFillRect using aSamplingFilter.
+     * aTransform is a userspace to "image"space matrix. For example, if Draw
+     * draws using a gfxPattern, this is the matrix that should be set on the
+     * pattern prior to rendering it.
+     *  @return whether drawing was successful
+     */
+    virtual bool operator()(gfxContext* aContext,
+                            const gfxRect& aFillRect,
+                            const mozilla::gfx::SamplingFilter aSamplingFilter,
+                            const gfxMatrix& aTransform = gfxMatrix()) = 0;
+
+};
+
+/**
+ * gfxCallbackDrawable
+ * A convenience implementation of gfxDrawable for callbacks.
+ */
+class gfxCallbackDrawable : public gfxDrawable {
+public:
+    gfxCallbackDrawable(gfxDrawingCallback* aCallback, const mozilla::gfx::IntSize aSize);
+    virtual ~gfxCallbackDrawable() {}
+
+    virtual bool Draw(gfxContext* aContext,
+                      const gfxRect& aFillRect,
+                      mozilla::gfx::ExtendMode aExtendMode,
+                      const mozilla::gfx::SamplingFilter aSamplingFilter,
+                      gfxFloat aOpacity = 1.0,
+                      const gfxMatrix& aTransform = gfxMatrix());
+
+protected:
+    already_AddRefed<gfxSurfaceDrawable>
+    MakeSurfaceDrawable(mozilla::gfx::SamplingFilter aSamplingFilter =
+                          mozilla::gfx::SamplingFilter::LINEAR);
+
+    RefPtr<gfxDrawingCallback> mCallback;
+    RefPtr<gfxSurfaceDrawable> mSurfaceDrawable;
+};
+
+/**
+ * gfxPatternDrawable
+ * A convenience implementation of gfxDrawable for patterns.
+ */
+class gfxPatternDrawable : public gfxDrawable {
+public:
+    gfxPatternDrawable(gfxPattern* aPattern,
+                       const mozilla::gfx::IntSize aSize);
+    virtual ~gfxPatternDrawable();
+
+    virtual bool Draw(gfxContext* aContext,
+                      const gfxRect& aFillRect,
+                      mozilla::gfx::ExtendMode aExtendMode,
+                      const mozilla::gfx::SamplingFilter aSamplingFilter,
+                      gfxFloat aOpacity = 1.0,
+                      const gfxMatrix& aTransform = gfxMatrix());
+
+
+protected:
+    already_AddRefed<gfxCallbackDrawable> MakeCallbackDrawable();
+
+    RefPtr<gfxPattern> mPattern;
+};
+
+#endif /* GFX_DRAWABLE_H */