/src/skia/include/core/SkFontArguments.h

Source
/*
 * 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 {
            uint16_t 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

Line	Count	Source
1		/*
2		* Copyright 2017 Google Inc.
3		*
4		* Use of this source code is governed by a BSD-style license that can be
5		* found in the LICENSE file.
6		*/
7
8		#ifndef SkFontArguments_DEFINED
9		#define SkFontArguments_DEFINED
10
11		#include "include/core/SkColor.h"
12		#include "include/core/SkScalar.h"
13		#include "include/core/SkTypes.h"
14
15		/** Represents a set of actual arguments for a font. */
16		struct SkFontArguments {
17		struct VariationPosition {
18		struct Coordinate {
19		SkFourByteTag axis;
20		float value;
21		};
22		const Coordinate* coordinates;
23		int coordinateCount;
24		};
25
26		/** Specify a palette to use and overrides for palette entries.
27		*
28		* `overrides` is a list of pairs of palette entry index and color.
29		* The overriden palette entries will use the associated color.
30		* Override pairs with palette entry indices out of range will not be applied.
31		* Later override entries override earlier ones.
32		*/
33		struct Palette {
34		struct Override {
35		uint16_t index;
36		SkColor color;
37		};
38		int index;
39		const Override* overrides;
40		int overrideCount;
41		};
42
43		SkFontArguments()
44		: fCollectionIndex(0)
45		, fVariationDesignPosition{nullptr, 0}
46	528k	, fPalette{0, nullptr, 0} {}
47
48		/** Specify the index of the desired font.
49		*
50		* Font formats like ttc, dfont, cff, cid, pfr, t42, t1, and fon may actually be indexed
51		* collections of fonts.
52		*/
53	528k	SkFontArguments& setCollectionIndex(int collectionIndex) {
54	528k	fCollectionIndex = collectionIndex;
55	528k	return *this;
56	528k	}
57
58		/** Specify a position in the variation design space.
59		*
60		* Any axis not specified will use the default value.
61		* Any specified axis not actually present in the font will be ignored.
62		*
63		* @param position not copied. The value must remain valid for life of SkFontArguments.
64		*/
65	523k	SkFontArguments& setVariationDesignPosition(VariationPosition position) {
66	523k	fVariationDesignPosition.coordinates = position.coordinates;
67	523k	fVariationDesignPosition.coordinateCount = position.coordinateCount;
68	523k	return *this;
69	523k	}
70
71	541k	int getCollectionIndex() const {
72	541k	return fCollectionIndex;
73	541k	}
74
75	50.0k	VariationPosition getVariationDesignPosition() const {
76	50.0k	return fVariationDesignPosition;
77	50.0k	}
78
79	523k	SkFontArguments& setPalette(Palette palette) {
80	523k	fPalette.index = palette.index;
81	523k	fPalette.overrides = palette.overrides;
82	523k	fPalette.overrideCount = palette.overrideCount;
83	523k	return *this;
84	523k	}
85
86	150k	Palette getPalette() const { return fPalette; }
87
88		private:
89		int fCollectionIndex;
90		VariationPosition fVariationDesignPosition;
91		Palette fPalette;
92		};
93
94		#endif

Coverage Report

Created: 2024-05-20 07:14