1 files changed, 77 insertions, 0 deletions
diff --git a/gfx/thebes/gfxPattern.h b/gfx/thebes/gfxPattern.h
new file mode 100644
index 000000000..a16d1ad39
--- /dev/null
+++ b/gfx/thebes/gfxPattern.h
@@ -0,0 +1,77 @@
+/* -*- 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_PATTERN_H
+#define GFX_PATTERN_H
+
+#include "gfxTypes.h"
+
+#include "gfxMatrix.h"
+#include "mozilla/Alignment.h"
+#include "mozilla/gfx/2D.h"
+#include "mozilla/gfx/PatternHelpers.h"
+#include "nsISupportsImpl.h"
+#include "nsTArray.h"
+
+typedef struct _cairo_pattern cairo_pattern_t;
+
+
+class gfxPattern final{
+    NS_INLINE_DECL_REFCOUNTING(gfxPattern)
+
+public:
+    explicit gfxPattern(const mozilla::gfx::Color& aColor);
+    // linear
+    gfxPattern(gfxFloat x0, gfxFloat y0, gfxFloat x1, gfxFloat y1); // linear
+    gfxPattern(gfxFloat cx0, gfxFloat cy0, gfxFloat radius0,
+               gfxFloat cx1, gfxFloat cy1, gfxFloat radius1); // radial
+    gfxPattern(mozilla::gfx::SourceSurface *aSurface,
+               const mozilla::gfx::Matrix &aPatternToUserSpace);
+
+    void AddColorStop(gfxFloat offset, const mozilla::gfx::Color& c);
+    void SetColorStops(mozilla::gfx::GradientStops* aStops);
+
+    // This should only be called on a cairo pattern that we want to use with
+    // Azure. We will read back the color stops from cairo and try to look
+    // them up in the cache.
+    void CacheColorStops(const mozilla::gfx::DrawTarget *aDT);
+
+    void SetMatrix(const gfxMatrix& matrix);
+    gfxMatrix GetMatrix() const;
+    gfxMatrix GetInverseMatrix() const;
+
+    /* Get an Azure Pattern for the current Cairo pattern. aPattern transform
+     * specifies the transform that was set on the DrawTarget when the pattern
+     * was set. When this is nullptr it is assumed the transform is identical
+     * to the current transform.
+     */
+    mozilla::gfx::Pattern *GetPattern(const mozilla::gfx::DrawTarget *aTarget,
+                                      mozilla::gfx::Matrix *aOriginalUserToDevice = nullptr);
+    bool IsOpaque();
+
+    // clamp, repeat, reflect
+    void SetExtend(mozilla::gfx::ExtendMode aExtend);
+
+    int CairoStatus();
+
+    void SetSamplingFilter(mozilla::gfx::SamplingFilter aSamplingFilter);
+    mozilla::gfx::SamplingFilter SamplingFilter() const;
+
+    /* returns TRUE if it succeeded */
+    bool GetSolidColor(mozilla::gfx::Color& aColorOut);
+
+private:
+    // Private destructor, to discourage deletion outside of Release():
+    ~gfxPattern() {}
+
+    mozilla::gfx::GeneralPattern mGfxPattern;
+    RefPtr<mozilla::gfx::SourceSurface> mSourceSurface;
+    mozilla::gfx::Matrix mPatternToUserSpace;
+    RefPtr<mozilla::gfx::GradientStops> mStops;
+    nsTArray<mozilla::gfx::GradientStop> mStopsList;
+    mozilla::gfx::ExtendMode mExtend;
+};
+
+#endif /* GFX_PATTERN_H */