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
22namespace android {
23namespace uirenderer {
24
25class CacheTexture;
26
27struct 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