Adding upstream version 110.0.1.upstream/110.0.1upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 170 insertions, 0 deletions

diff --git a/gfx/thebes/gfxDrawable.h b/gfx/thebes/gfxDrawable.h
new file mode 100644
index 0000000000..b0d47e3691
--- /dev/null
+++ b/gfx/thebes/gfxDrawable.h
@@ -0,0 +1,170 @@
+/* -*- 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 GFX_DRAWABLE_H
+#define GFX_DRAWABLE_H
+
+#include "gfxRect.h"
+#include "gfxMatrix.h"
+#include "gfxTypes.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/gfx/Types.h"
+#include "nsISupportsImpl.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() = default;
+
+  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() = default;
+
+  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()) override;
+
+  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) override;
+
+ 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() = default;
+
+ 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() = default;
+
+  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()) override;
+
+ protected:
+  already_AddRefed<gfxSurfaceDrawable> MakeSurfaceDrawable(
+      gfxContext* aContext, 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()) override;
+
+ protected:
+  already_AddRefed<gfxCallbackDrawable> MakeCallbackDrawable();
+
+  RefPtr<gfxPattern> mPattern;
+};
+
+#endif /* GFX_DRAWABLE_H */