xref: /aosp_15_r20/external/skia/src/text/gpu/Glyph.h (revision c8dee2aa9b3f27cf6c858bd81872bdeb2c07ed17)

/*
 * Copyright 2010 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef sktext_gpu_Glyph_DEFINED
#define sktext_gpu_Glyph_DEFINED

#include "src/core/SkGlyph.h"
#include "src/core/SkMask.h"
#include "src/gpu/AtlasTypes.h"

namespace sktext::gpu {

class Glyph {
public:
    static skgpu::MaskFormat FormatFromSkGlyph(SkMask::Format format) {
        switch (format) {
            case SkMask::kBW_Format:
            case SkMask::kSDF_Format:
                // fall through to kA8 -- we store BW and SDF glyphs in our 8-bit cache
            case SkMask::kA8_Format:
                return skgpu::MaskFormat::kA8;
            case SkMask::k3D_Format:
                return skgpu::MaskFormat::kA8; // ignore the mul and add planes, just use the mask
            case SkMask::kLCD16_Format:
                return skgpu::MaskFormat::kA565;
            case SkMask::kARGB32_Format:
                return skgpu::MaskFormat::kARGB;
        }

        SkUNREACHABLE;
    }

    Glyph(SkPackedGlyphID packedGlyphID) : fPackedID(packedGlyphID) {}

    const SkPackedGlyphID       fPackedID;
    skgpu::AtlasLocator         fAtlasLocator;
};

}  // namespace sktext::gpu

#endif  // sktext_gpu_Glyph_DEFINED