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      1 /*
      2  * Copyright (C) 2012 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 #ifndef ANDROID_HWUI_CACHED_GLYPH_INFO_H
     18 #define ANDROID_HWUI_CACHED_GLYPH_INFO_H
     19 
     20 #include <SkFixed.h>
     21 
     22 #include "CacheTexture.h"
     23 
     24 namespace android {
     25 namespace uirenderer {
     26 
     27 struct CachedGlyphInfo {
     28     // Has the cache been invalidated?
     29     bool mIsValid;
     30     // Location of the cached glyph in the bitmap
     31     // in case we need to resize the texture or
     32     // render to bitmap
     33     uint32_t mStartX;
     34     uint32_t mStartY;
     35     uint32_t mBitmapWidth;
     36     uint32_t mBitmapHeight;
     37     // Also cache texture coords for the quad
     38     float mBitmapMinU;
     39     float mBitmapMinV;
     40     float mBitmapMaxU;
     41     float mBitmapMaxV;
     42     // Minimize how much we call freetype
     43     uint32_t mGlyphIndex;
     44     uint32_t mAdvanceX;
     45     uint32_t mAdvanceY;
     46     // Values below contain a glyph's origin in the bitmap
     47     int32_t mBitmapLeft;
     48     int32_t mBitmapTop;
     49     // Auto-kerning
     50     SkFixed mLsbDelta;
     51     SkFixed mRsbDelta;
     52     CacheTexture* mCacheTexture;
     53 };
     54 
     55 }; // namespace uirenderer
     56 }; // namespace android
     57 
     58 #endif // ANDROID_HWUI_CACHED_GLYPH_INFO_H
     59