Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 94 insertions, 0 deletions

diff --git a/gfx/skia/skia/include/core/SkFontArguments.h b/gfx/skia/skia/include/core/SkFontArguments.h
new file mode 100644
index 0000000000..a5139bb21b
--- /dev/null
+++ b/gfx/skia/skia/include/core/SkFontArguments.h
@@ -0,0 +1,94 @@
+/*
+ * Copyright 2017 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef SkFontArguments_DEFINED
+#define SkFontArguments_DEFINED
+
+#include "include/core/SkColor.h"
+#include "include/core/SkScalar.h"
+#include "include/core/SkTypes.h"
+
+/** Represents a set of actual arguments for a font. */
+struct SkFontArguments {
+    struct VariationPosition {
+        struct Coordinate {
+            SkFourByteTag axis;
+            float value;
+        };
+        const Coordinate* coordinates;
+        int coordinateCount;
+    };
+
+    /** Specify a palette to use and overrides for palette entries.
+     *
+     *  `overrides` is a list of pairs of palette entry index and color.
+     *  The overriden palette entries will use the associated color.
+     *  Override pairs with palette entry indices out of range will not be applied.
+     *  Later override entries override earlier ones.
+     */
+    struct Palette {
+        struct Override {
+            int index;
+            SkColor color;
+        };
+        int index;
+        const Override* overrides;
+        int overrideCount;
+    };
+
+    SkFontArguments()
+            : fCollectionIndex(0)
+            , fVariationDesignPosition{nullptr, 0}
+            , fPalette{0, nullptr, 0} {}
+
+    /** Specify the index of the desired font.
+     *
+     *  Font formats like ttc, dfont, cff, cid, pfr, t42, t1, and fon may actually be indexed
+     *  collections of fonts.
+     */
+    SkFontArguments& setCollectionIndex(int collectionIndex) {
+        fCollectionIndex = collectionIndex;
+        return *this;
+    }
+
+    /** Specify a position in the variation design space.
+     *
+     *  Any axis not specified will use the default value.
+     *  Any specified axis not actually present in the font will be ignored.
+     *
+     *  @param position not copied. The value must remain valid for life of SkFontArguments.
+     */
+    SkFontArguments& setVariationDesignPosition(VariationPosition position) {
+        fVariationDesignPosition.coordinates = position.coordinates;
+        fVariationDesignPosition.coordinateCount = position.coordinateCount;
+        return *this;
+    }
+
+    int getCollectionIndex() const {
+        return fCollectionIndex;
+    }
+
+    VariationPosition getVariationDesignPosition() const {
+        return fVariationDesignPosition;
+    }
+
+    SkFontArguments& setPalette(Palette palette) {
+        fPalette.index = palette.index;
+        fPalette.overrides = palette.overrides;
+        fPalette.overrideCount = palette.overrideCount;
+        return *this;
+    }
+
+    Palette getPalette() const { return fPalette; }
+
+private:
+    int fCollectionIndex;
+    VariationPosition fVariationDesignPosition;
+    Palette fPalette;
+};
+
+#endif