/indra/llrender/llfontbitmapcache.h
C++ Header | 72 lines | 33 code | 11 blank | 28 comment | 0 complexity | 9cae316ca98260f683e5d2f47b5de4f3 MD5 | raw file
Possible License(s): LGPL-2.1
- /**
- * @file llfontbitmapcache.h
- * @brief Storage for previously rendered glyphs.
- *
- * $LicenseInfo:firstyear=2008&license=viewerlgpl$
- * Second Life Viewer Source Code
- * Copyright (C) 2010, Linden Research, Inc.
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation;
- * version 2.1 of the License only.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
- *
- * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA
- * $/LicenseInfo$
- */
- #ifndef LL_LLFONTBITMAPCACHE_H
- #define LL_LLFONTBITMAPCACHE_H
- #include <vector>
- // Maintain a collection of bitmaps containing rendered glyphs.
- // Generalizes the single-bitmap logic from LLFontFreetype and LLFontGL.
- class LLFontBitmapCache: public LLRefCount
- {
- public:
- LLFontBitmapCache();
- ~LLFontBitmapCache();
- // Need to call this once, before caching any glyphs.
- void init(S32 num_components,
- S32 max_char_width,
- S32 max_char_height);
- void reset();
- BOOL nextOpenPos(S32 width, S32 &posX, S32 &posY, S32 &bitmapNum);
-
- void destroyGL();
-
- LLImageRaw *getImageRaw(U32 bitmapNum = 0) const;
- LLImageGL *getImageGL(U32 bitmapNum = 0) const;
-
- S32 getMaxCharWidth() const { return mMaxCharWidth; }
- S32 getNumComponents() const { return mNumComponents; }
- S32 getBitmapWidth() const { return mBitmapWidth; }
- S32 getBitmapHeight() const { return mBitmapHeight; }
- private:
- S32 mNumComponents;
- S32 mBitmapWidth;
- S32 mBitmapHeight;
- S32 mBitmapNum;
- S32 mMaxCharWidth;
- S32 mMaxCharHeight;
- S32 mCurrentOffsetX;
- S32 mCurrentOffsetY;
- std::vector<LLPointer<LLImageRaw> > mImageRawVec;
- std::vector<LLPointer<LLImageGL> > mImageGLVec;
- };
- #endif //LL_LLFONTBITMAPCACHE_H