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 namespace android { 23 namespace uirenderer { 24 25 class CacheTexture; 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
