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/*
* Copyright (C) 2012 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef ANDROID_HWUI_CACHED_GLYPH_INFO_H
#define ANDROID_HWUI_CACHED_GLYPH_INFO_H
namespace android {
namespace uirenderer {
class CacheTexture;
struct CachedGlyphInfo {
// Has the cache been invalidated?
bool mIsValid;
// Location of the cached glyph in the bitmap
// in case we need to resize the texture or
// render to bitmap
uint32_t mStartX;
uint32_t mStartY;
uint32_t mBitmapWidth;
uint32_t mBitmapHeight;
// Also cache texture coords for the quad
float mBitmapMinU;
float mBitmapMinV;
float mBitmapMaxU;
float mBitmapMaxV;
// Minimize how much we call freetype
uint32_t mGlyphIndex;
float mAdvanceX;
float mAdvanceY;
// Values below contain a glyph's origin in the bitmap
int32_t mBitmapLeft;
int32_t mBitmapTop;
// Auto-kerning; represents a 2.6 fixed-point value with range [-1, 1].
int8_t mLsbDelta;
int8_t mRsbDelta;
CacheTexture* mCacheTexture;
};
}; // namespace uirenderer
}; // namespace android
#endif // ANDROID_HWUI_CACHED_GLYPH_INFO_H