Adding upstream version 124.0.1.upstream/124.0.1

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

1 files changed, 142 insertions, 0 deletions

diff --git a/gfx/src/FilterDescription.h b/gfx/src/FilterDescription.h
new file mode 100644
index 0000000000..8c2ae12c98
--- /dev/null
+++ b/gfx/src/FilterDescription.h
@@ -0,0 +1,142 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 __FilterDescription_h
+#define __FilterDescription_h
+
+#include "FilterSupport.h"
+#include "mozilla/Variant.h"
+#include "mozilla/gfx/Rect.h"
+#include "nsTArray.h"
+
+namespace mozilla::gfx {
+class FilterPrimitiveDescription;
+}
+
+MOZ_DECLARE_RELOCATE_USING_MOVE_CONSTRUCTOR(
+    mozilla::gfx::FilterPrimitiveDescription)
+
+namespace mozilla::gfx {
+typedef Variant<
+    EmptyAttributes, BlendAttributes, MorphologyAttributes,
+    ColorMatrixAttributes, FloodAttributes, TileAttributes,
+    ComponentTransferAttributes, OpacityAttributes, ConvolveMatrixAttributes,
+    OffsetAttributes, DisplacementMapAttributes, TurbulenceAttributes,
+    CompositeAttributes, MergeAttributes, ImageAttributes,
+    GaussianBlurAttributes, DropShadowAttributes, DiffuseLightingAttributes,
+    SpecularLightingAttributes, ToAlphaAttributes>
+    PrimitiveAttributes;
+
+/**
+ * A data structure to carry attributes for a given primitive that's part of a
+ * filter. Will be serializable via IPDL, so it must not contain complex
+ * functionality.
+ * Used as part of a FilterDescription.
+ */
+class FilterPrimitiveDescription final {
+ public:
+  enum {
+    kPrimitiveIndexSourceGraphic = -1,
+    kPrimitiveIndexSourceAlpha = -2,
+    kPrimitiveIndexFillPaint = -3,
+    kPrimitiveIndexStrokePaint = -4
+  };
+
+  FilterPrimitiveDescription();
+  explicit FilterPrimitiveDescription(PrimitiveAttributes&& aAttributes);
+  FilterPrimitiveDescription(FilterPrimitiveDescription&& aOther) = default;
+  FilterPrimitiveDescription& operator=(FilterPrimitiveDescription&& aOther) =
+      default;
+  FilterPrimitiveDescription(const FilterPrimitiveDescription& aOther)
+      : mAttributes(aOther.mAttributes),
+        mInputPrimitives(aOther.mInputPrimitives.Clone()),
+        mFilterPrimitiveSubregion(aOther.mFilterPrimitiveSubregion),
+        mFilterSpaceBounds(aOther.mFilterSpaceBounds),
+        mInputColorSpaces(aOther.mInputColorSpaces.Clone()),
+        mOutputColorSpace(aOther.mOutputColorSpace),
+        mIsTainted(aOther.mIsTainted) {}
+
+  const PrimitiveAttributes& Attributes() const { return mAttributes; }
+  PrimitiveAttributes& Attributes() { return mAttributes; }
+
+  IntRect PrimitiveSubregion() const { return mFilterPrimitiveSubregion; }
+  IntRect FilterSpaceBounds() const { return mFilterSpaceBounds; }
+  bool IsTainted() const { return mIsTainted; }
+
+  size_t NumberOfInputs() const { return mInputPrimitives.Length(); }
+  int32_t InputPrimitiveIndex(size_t aInputIndex) const {
+    return aInputIndex < mInputPrimitives.Length()
+               ? mInputPrimitives[aInputIndex]
+               : 0;
+  }
+
+  ColorSpace InputColorSpace(size_t aInputIndex) const {
+    return aInputIndex < mInputColorSpaces.Length()
+               ? mInputColorSpaces[aInputIndex]
+               : ColorSpace();
+  }
+
+  ColorSpace OutputColorSpace() const { return mOutputColorSpace; }
+
+  void SetPrimitiveSubregion(const IntRect& aRect) {
+    mFilterPrimitiveSubregion = aRect;
+  }
+
+  void SetFilterSpaceBounds(const IntRect& aRect) {
+    mFilterSpaceBounds = aRect;
+  }
+
+  void SetIsTainted(bool aIsTainted) { mIsTainted = aIsTainted; }
+
+  void SetInputPrimitive(size_t aInputIndex, int32_t aInputPrimitiveIndex) {
+    mInputPrimitives.EnsureLengthAtLeast(aInputIndex + 1);
+    mInputPrimitives[aInputIndex] = aInputPrimitiveIndex;
+  }
+
+  void SetInputColorSpace(size_t aInputIndex, ColorSpace aColorSpace) {
+    mInputColorSpaces.EnsureLengthAtLeast(aInputIndex + 1);
+    mInputColorSpaces[aInputIndex] = aColorSpace;
+  }
+
+  void SetOutputColorSpace(const ColorSpace& aColorSpace) {
+    mOutputColorSpace = aColorSpace;
+  }
+
+  bool operator==(const FilterPrimitiveDescription& aOther) const;
+  bool operator!=(const FilterPrimitiveDescription& aOther) const {
+    return !(*this == aOther);
+  }
+
+ private:
+  PrimitiveAttributes mAttributes;
+  AutoTArray<int32_t, 2> mInputPrimitives;
+  IntRect mFilterPrimitiveSubregion;
+  IntRect mFilterSpaceBounds;
+  AutoTArray<ColorSpace, 2> mInputColorSpaces;
+  ColorSpace mOutputColorSpace;
+  bool mIsTainted;
+};
+
+/**
+ * A data structure that contains one or more FilterPrimitiveDescriptions.
+ * Designed to be serializable via IPDL, so it must not contain complex
+ * functionality.
+ */
+struct FilterDescription final {
+  FilterDescription() = default;
+  explicit FilterDescription(nsTArray<FilterPrimitiveDescription>&& aPrimitives)
+      : mPrimitives(std::move(aPrimitives)) {}
+
+  bool operator==(const FilterDescription& aOther) const;
+  bool operator!=(const FilterDescription& aOther) const {
+    return !(*this == aOther);
+  }
+
+  CopyableTArray<FilterPrimitiveDescription> mPrimitives;
+};
+}  // namespace mozilla::gfx
+
+#endif  // __FilterSupport_h