79 lines
2.5 KiB
C++
79 lines
2.5 KiB
C++
/**
|
|
* @file llfontbitmapcache.h
|
|
* @brief Storage for previously rendered glyphs.
|
|
*
|
|
* $LicenseInfo:firstyear=2008&license=viewergpl$
|
|
*
|
|
* Copyright (c) 2008-2009, Linden Research, Inc.
|
|
*
|
|
* Second Life Viewer Source Code
|
|
* The source code in this file ("Source Code") is provided by Linden Lab
|
|
* to you under the terms of the GNU General Public License, version 2.0
|
|
* ("GPL"), unless you have obtained a separate licensing agreement
|
|
* ("Other License"), formally executed by you and Linden Lab. Terms of
|
|
* the GPL can be found in doc/GPL-license.txt in this distribution, or
|
|
* online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
|
|
*
|
|
* There are special exceptions to the terms and conditions of the GPL as
|
|
* it is applied to this Source Code. View the full text of the exception
|
|
* in the file doc/FLOSS-exception.txt in this software distribution, or
|
|
* online at
|
|
* http://secondlifegrid.net/programs/open_source/licensing/flossexception
|
|
*
|
|
* By copying, modifying or distributing this software, you acknowledge
|
|
* that you have read and understood your obligations described above,
|
|
* and agree to abide by those obligations.
|
|
*
|
|
* ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
|
|
* WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
|
|
* COMPLETENESS OR PERFORMANCE.
|
|
* $/LicenseInfo$
|
|
*/
|
|
|
|
#ifndef LL_LLFONTBITMAPCACHE_H
|
|
#define LL_LLFONTBITMAPCACHE_H
|
|
|
|
#include <vector>
|
|
|
|
// Maintain a collection of bitmaps containing rendered glyphs.
|
|
// Generalizes the single-bitmap logic from LLFont 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
|