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-rw-r--r--indra/llrender/llfontfreetype.h200
1 files changed, 100 insertions, 100 deletions
diff --git a/indra/llrender/llfontfreetype.h b/indra/llrender/llfontfreetype.h
index b036d337ba..19112830a4 100644
--- a/indra/llrender/llfontfreetype.h
+++ b/indra/llrender/llfontfreetype.h
@@ -1,25 +1,25 @@
-/**
+/**
* @file llfontfreetype.h
* @brief Font library wrapper
*
* $LicenseInfo:firstyear=2002&license=viewerlgpl$
* 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
* $/LicenseInfo$
*/
@@ -35,8 +35,8 @@
#include "llfontbitmapcache.h"
// Hack. FT_Face is just a typedef for a pointer to a struct,
-// but there's no simple forward declarations file for FreeType,
-// and the main include file is 200K.
+// but there's no simple forward declarations file for FreeType,
+// and the main include file is 200K.
// We'll forward declare the struct here. JC
struct FT_FaceRec_;
typedef struct FT_FaceRec_* LLFT_Face;
@@ -46,34 +46,34 @@ typedef struct FT_StreamRec_ LLFT_Stream;
class LLFontManager
{
public:
- static void initClass();
- static void cleanupClass();
+ static void initClass();
+ static void cleanupClass();
private:
- LLFontManager();
- ~LLFontManager();
+ LLFontManager();
+ ~LLFontManager();
};
struct LLFontGlyphInfo
{
- LLFontGlyphInfo(U32 index, EFontGlyphType glyph_type);
- LLFontGlyphInfo(const LLFontGlyphInfo& fgi);
-
- U32 mGlyphIndex;
- EFontGlyphType mGlyphType;
-
- // Metrics
- S32 mWidth; // In pixels
- S32 mHeight; // In pixels
- F32 mXAdvance; // In pixels
- F32 mYAdvance; // In pixels
-
- // Information for actually rendering
- S32 mXBitmapOffset; // Offset to the origin in the bitmap
- S32 mYBitmapOffset; // Offset to the origin in the bitmap
- S32 mXBearing; // Distance from baseline to left in pixels
- S32 mYBearing; // Distance from baseline to top in pixels
- std::pair<EFontGlyphType, S32> mBitmapEntry; // Which bitmap in the bitmap cache contains this glyph
+ LLFontGlyphInfo(U32 index, EFontGlyphType glyph_type);
+ LLFontGlyphInfo(const LLFontGlyphInfo& fgi);
+
+ U32 mGlyphIndex;
+ EFontGlyphType mGlyphType;
+
+ // Metrics
+ S32 mWidth; // In pixels
+ S32 mHeight; // In pixels
+ F32 mXAdvance; // In pixels
+ F32 mYAdvance; // In pixels
+
+ // Information for actually rendering
+ S32 mXBitmapOffset; // Offset to the origin in the bitmap
+ S32 mYBitmapOffset; // Offset to the origin in the bitmap
+ S32 mXBearing; // Distance from baseline to left in pixels
+ S32 mYBearing; // Distance from baseline to top in pixels
+ std::pair<EFontGlyphType, S32> mBitmapEntry; // Which bitmap in the bitmap cache contains this glyph
};
extern LLFontManager *gFontManagerp;
@@ -81,113 +81,113 @@ extern LLFontManager *gFontManagerp;
class LLFontFreetype : public LLRefCount
{
public:
- LLFontFreetype();
- ~LLFontFreetype();
+ LLFontFreetype();
+ ~LLFontFreetype();
- // is_fallback should be true for fallback fonts that aren't used
- // to render directly (Unicode backup, primarily)
- BOOL loadFace(const std::string& filename, F32 point_size, F32 vert_dpi, F32 horz_dpi, bool is_fallback, S32 face_n);
+ // is_fallback should be true for fallback fonts that aren't used
+ // to render directly (Unicode backup, primarily)
+ BOOL loadFace(const std::string& filename, F32 point_size, F32 vert_dpi, F32 horz_dpi, bool is_fallback, S32 face_n);
- S32 getNumFaces(const std::string& filename);
+ S32 getNumFaces(const std::string& filename);
#ifdef LL_WINDOWS
- S32 ftOpenFace(const std::string& filename, S32 face_n);
- void clearFontStreams();
+ S32 ftOpenFace(const std::string& filename, S32 face_n);
+ void clearFontStreams();
#endif
- typedef std::function<bool(llwchar)> char_functor_t;
- void addFallbackFont(const LLPointer<LLFontFreetype>& fallback_font, const char_functor_t& functor = nullptr);
+ typedef std::function<bool(llwchar)> char_functor_t;
+ void addFallbackFont(const LLPointer<LLFontFreetype>& fallback_font, const char_functor_t& functor = nullptr);
- // Global font metrics - in units of pixels
- F32 getLineHeight() const;
- F32 getAscenderHeight() const;
- F32 getDescenderHeight() const;
+ // Global font metrics - in units of pixels
+ F32 getLineHeight() const;
+ F32 getAscenderHeight() const;
+ F32 getDescenderHeight() const;
// For a lowercase "g":
//
-// ------------------------------
-// ^ ^
-// | |
-// xxx x |Ascender
-// x x v |
-// --------- xxxx-------------- Baseline
-// ^ x |
+// ------------------------------
+// ^ ^
+// | |
+// xxx x |Ascender
+// x x v |
+// --------- xxxx-------------- Baseline
+// ^ x |
// | Descender x |
-// v xxxx |LineHeight
+// v xxxx |LineHeight
// ----------------------- |
// v
-// ------------------------------
+// ------------------------------
- enum
- {
- FIRST_CHAR = 32,
- NUM_CHARS = 127 - 32,
- LAST_CHAR_BASIC = 127,
+ enum
+ {
+ FIRST_CHAR = 32,
+ NUM_CHARS = 127 - 32,
+ LAST_CHAR_BASIC = 127,
- // Need full 8-bit ascii range for spanish
- NUM_CHARS_FULL = 255 - 32,
- LAST_CHAR_FULL = 255
- };
+ // Need full 8-bit ascii range for spanish
+ NUM_CHARS_FULL = 255 - 32,
+ LAST_CHAR_FULL = 255
+ };
- F32 getXAdvance(llwchar wc) const;
- F32 getXAdvance(const LLFontGlyphInfo* glyph) const;
- F32 getXKerning(llwchar char_left, llwchar char_right) const; // Get the kerning between the two characters
- F32 getXKerning(const LLFontGlyphInfo* left_glyph_info, const LLFontGlyphInfo* right_glyph_info) const; // Get the kerning between the two characters
+ F32 getXAdvance(llwchar wc) const;
+ F32 getXAdvance(const LLFontGlyphInfo* glyph) const;
+ F32 getXKerning(llwchar char_left, llwchar char_right) const; // Get the kerning between the two characters
+ F32 getXKerning(const LLFontGlyphInfo* left_glyph_info, const LLFontGlyphInfo* right_glyph_info) const; // Get the kerning between the two characters
- LLFontGlyphInfo* getGlyphInfo(llwchar wch, EFontGlyphType glyph_type) const;
+ LLFontGlyphInfo* getGlyphInfo(llwchar wch, EFontGlyphType glyph_type) const;
- void reset(F32 vert_dpi, F32 horz_dpi);
+ void reset(F32 vert_dpi, F32 horz_dpi);
- void destroyGL();
+ void destroyGL();
- const std::string& getName() const;
+ const std::string& getName() const;
- void dumpFontBitmaps() const;
- const LLFontBitmapCache* getFontBitmapCache() const;
+ void dumpFontBitmaps() const;
+ const LLFontBitmapCache* getFontBitmapCache() const;
- void setStyle(U8 style);
- U8 getStyle() const;
+ void setStyle(U8 style);
+ U8 getStyle() const;
private:
- void resetBitmapCache();
- void setSubImageLuminanceAlpha(U32 x, U32 y, U32 bitmap_num, U32 width, U32 height, U8 *data, S32 stride = 0) const;
- bool setSubImageBGRA(U32 x, U32 y, U32 bitmap_num, U16 width, U16 height, const U8* data, U32 stride) const;
- BOOL hasGlyph(llwchar wch) const; // Has a glyph for this character
- LLFontGlyphInfo* addGlyph(llwchar wch, EFontGlyphType glyph_type) const; // Add a new character to the font if necessary
- LLFontGlyphInfo* addGlyphFromFont(const LLFontFreetype *fontp, llwchar wch, U32 glyph_index, EFontGlyphType bitmap_type) const; // Add a glyph from this font to the other (returns the glyph_index, 0 if not found)
- void renderGlyph(EFontGlyphType bitmap_type, U32 glyph_index) const;
- void insertGlyphInfo(llwchar wch, LLFontGlyphInfo* gi) const;
+ void resetBitmapCache();
+ void setSubImageLuminanceAlpha(U32 x, U32 y, U32 bitmap_num, U32 width, U32 height, U8 *data, S32 stride = 0) const;
+ bool setSubImageBGRA(U32 x, U32 y, U32 bitmap_num, U16 width, U16 height, const U8* data, U32 stride) const;
+ BOOL hasGlyph(llwchar wch) const; // Has a glyph for this character
+ LLFontGlyphInfo* addGlyph(llwchar wch, EFontGlyphType glyph_type) const; // Add a new character to the font if necessary
+ LLFontGlyphInfo* addGlyphFromFont(const LLFontFreetype *fontp, llwchar wch, U32 glyph_index, EFontGlyphType bitmap_type) const; // Add a glyph from this font to the other (returns the glyph_index, 0 if not found)
+ void renderGlyph(EFontGlyphType bitmap_type, U32 glyph_index) const;
+ void insertGlyphInfo(llwchar wch, LLFontGlyphInfo* gi) const;
- std::string mName;
+ std::string mName;
- U8 mStyle;
+ U8 mStyle;
- F32 mPointSize;
- F32 mAscender;
- F32 mDescender;
- F32 mLineHeight;
+ F32 mPointSize;
+ F32 mAscender;
+ F32 mDescender;
+ F32 mLineHeight;
- LLFT_Face mFTFace;
+ LLFT_Face mFTFace;
#ifdef LL_WINDOWS
- llifstream *pFileStream;
- LLFT_Stream *pFtStream;
+ llifstream *pFileStream;
+ LLFT_Stream *pFtStream;
#endif
- BOOL mIsFallback;
- typedef std::pair<LLPointer<LLFontFreetype>, char_functor_t> fallback_font_t;
- typedef std::vector<fallback_font_t> fallback_font_vector_t;
- fallback_font_vector_t mFallbackFonts; // A list of fallback fonts to look for glyphs in (for Unicode chars)
+ BOOL mIsFallback;
+ typedef std::pair<LLPointer<LLFontFreetype>, char_functor_t> fallback_font_t;
+ typedef std::vector<fallback_font_t> fallback_font_vector_t;
+ fallback_font_vector_t mFallbackFonts; // A list of fallback fonts to look for glyphs in (for Unicode chars)
- // *NOTE: the same glyph can be present with multiple representations (but the pointer is always unique)
- typedef boost::unordered_multimap<llwchar, LLFontGlyphInfo*> char_glyph_info_map_t;
- mutable char_glyph_info_map_t mCharGlyphInfoMap; // Information about glyph location in bitmap
+ // *NOTE: the same glyph can be present with multiple representations (but the pointer is always unique)
+ typedef boost::unordered_multimap<llwchar, LLFontGlyphInfo*> char_glyph_info_map_t;
+ mutable char_glyph_info_map_t mCharGlyphInfoMap; // Information about glyph location in bitmap
- mutable LLFontBitmapCache* mFontBitmapCachep;
+ mutable LLFontBitmapCache* mFontBitmapCachep;
- mutable S32 mRenderGlyphCount;
- mutable S32 mAddGlyphCount;
+ mutable S32 mRenderGlyphCount;
+ mutable S32 mAddGlyphCount;
};
#endif // LL_FONTFREETYPE_H
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