diff options
Diffstat (limited to 'indra/llrender/llfontbitmapcache.h')
| -rw-r--r-- | indra/llrender/llfontbitmapcache.h | 162 |
1 files changed, 81 insertions, 81 deletions
diff --git a/indra/llrender/llfontbitmapcache.h b/indra/llrender/llfontbitmapcache.h index 8f704df44f..314a00a3a3 100644 --- a/indra/llrender/llfontbitmapcache.h +++ b/indra/llrender/llfontbitmapcache.h @@ -1,81 +1,81 @@ -/** - * @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> -#include "lltrace.h" - -enum class EFontGlyphType : U32 -{ - Grayscale = 0, - Color, - Count, - Unspecified, -}; - -// Maintain a collection of bitmaps containing rendered glyphs. -// Generalizes the single-bitmap logic from LLFontFreetype and LLFontGL. -class LLFontBitmapCache -{ -public: - LLFontBitmapCache(); - ~LLFontBitmapCache(); - - // Need to call this once, before caching any glyphs. - void init(S32 max_char_width, - S32 max_char_height); - - void reset(); - - BOOL nextOpenPos(S32 width, S32& posX, S32& posY, EFontGlyphType bitmapType, U32& bitmapNum); - - void destroyGL(); - - LLImageRaw* getImageRaw(EFontGlyphType bitmapType, U32 bitmapNum) const; - LLImageGL* getImageGL(EFontGlyphType bitmapType, U32 bitmapNum) const; - - S32 getMaxCharWidth() const { return mMaxCharWidth; } - U32 getNumBitmaps(EFontGlyphType bitmapType) const { return (bitmapType < EFontGlyphType::Count) ? mImageRawVec[static_cast<U32>(bitmapType)].size() : 0; } - S32 getBitmapWidth() const { return mBitmapWidth; } - S32 getBitmapHeight() const { return mBitmapHeight; } - -protected: - static U32 getNumComponents(EFontGlyphType bitmap_type); - -private: - S32 mBitmapWidth = 0; - S32 mBitmapHeight = 0; - S32 mCurrentOffsetX[static_cast<U32>(EFontGlyphType::Count)] = { 1 }; - S32 mCurrentOffsetY[static_cast<U32>(EFontGlyphType::Count)] = { 1 }; - S32 mMaxCharWidth = 0; - S32 mMaxCharHeight = 0; - std::vector<LLPointer<LLImageRaw>> mImageRawVec[static_cast<U32>(EFontGlyphType::Count)]; - std::vector<LLPointer<LLImageGL>> mImageGLVec[static_cast<U32>(EFontGlyphType::Count)]; -}; - -#endif //LL_LLFONTBITMAPCACHE_H +/**
+ * @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>
+#include "lltrace.h"
+
+enum class EFontGlyphType : U32
+{
+ Grayscale = 0,
+ Color,
+ Count,
+ Unspecified,
+};
+
+// Maintain a collection of bitmaps containing rendered glyphs.
+// Generalizes the single-bitmap logic from LLFontFreetype and LLFontGL.
+class LLFontBitmapCache
+{
+public:
+ LLFontBitmapCache();
+ ~LLFontBitmapCache();
+
+ // Need to call this once, before caching any glyphs.
+ void init(S32 max_char_width,
+ S32 max_char_height);
+
+ void reset();
+
+ bool nextOpenPos(S32 width, S32& posX, S32& posY, EFontGlyphType bitmapType, U32& bitmapNum);
+
+ void destroyGL();
+
+ LLImageRaw* getImageRaw(EFontGlyphType bitmapType, U32 bitmapNum) const;
+ LLImageGL* getImageGL(EFontGlyphType bitmapType, U32 bitmapNum) const;
+
+ S32 getMaxCharWidth() const { return mMaxCharWidth; }
+ U32 getNumBitmaps(EFontGlyphType bitmapType) const { return (bitmapType < EFontGlyphType::Count) ? mImageRawVec[static_cast<U32>(bitmapType)].size() : 0; }
+ S32 getBitmapWidth() const { return mBitmapWidth; }
+ S32 getBitmapHeight() const { return mBitmapHeight; }
+
+protected:
+ static U32 getNumComponents(EFontGlyphType bitmap_type);
+
+private:
+ S32 mBitmapWidth = 0;
+ S32 mBitmapHeight = 0;
+ S32 mCurrentOffsetX[static_cast<U32>(EFontGlyphType::Count)] = { 1 };
+ S32 mCurrentOffsetY[static_cast<U32>(EFontGlyphType::Count)] = { 1 };
+ S32 mMaxCharWidth = 0;
+ S32 mMaxCharHeight = 0;
+ std::vector<LLPointer<LLImageRaw>> mImageRawVec[static_cast<U32>(EFontGlyphType::Count)];
+ std::vector<LLPointer<LLImageGL>> mImageGLVec[static_cast<U32>(EFontGlyphType::Count)];
+};
+
+#endif //LL_LLFONTBITMAPCACHE_H
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