diff options
| -rw-r--r-- | indra/llrender/llfontfreetype.h | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/indra/llrender/llfontfreetype.h b/indra/llrender/llfontfreetype.h index 0520ef2cd6..5adaab3a88 100644 --- a/indra/llrender/llfontfreetype.h +++ b/indra/llrender/llfontfreetype.h @@ -188,193 +188,3 @@ private: }; #endif // LL_FONTFREETYPE_H -/** - * @file llfontfreetype.h - * @brief Font library wrapper - * - * $LicenseInfo:firstyear=2002&license=viewergpl$ - * - * Copyright (c) 2002-2009, 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_LLFONTFREETYPE_H -#define LL_LLFONTFREETYPE_H - -#include <map> -#include "llpointer.h" -#include "llstl.h" - -#include "llimagegl.h" -#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. -// We'll forward declare the struct here. JC -struct FT_FaceRec_; -typedef struct FT_FaceRec_* LLFT_Face; - -class LLFontManager -{ -public: - static void initClass(); - static void cleanupClass(); - -private: - LLFontManager(); - ~LLFontManager(); -}; - -class LLFontGlyphInfo -{ -public: - LLFontGlyphInfo(U32 index); - - U32 mGlyphIndex; - - // Metrics - S32 mWidth; // In pixels - S32 mHeight; // In pixels - F32 mXAdvance; // In pixels - F32 mYAdvance; // In pixels - BOOL mMetricsValid; // We have up-to-date metrics for this glyph - - // Information for actually rendering - BOOL mIsRendered; // We actually have rendered this glyph - 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 - S32 mBitmapNum; // Which bitmap in the bitmap cache contains this glyph -}; - -extern LLFontManager *gFontManagerp; - -class LLFontFreetype : public LLRefCount -{ -public: - 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, S32 components, BOOL is_fallback); - - typedef std::vector<LLPointer<LLFontFreetype> > font_vector_t; - - void setFallbackFonts(const font_vector_t &font); - const font_vector_t &getFallbackFonts() 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 | -// | Descender x | -// v xxxx |LineHeight -// ----------------------- | -// v -// ------------------------------ - - 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 - }; - - F32 getXAdvance(llwchar wc) const; - F32 getXKerning(llwchar char_left, llwchar char_right) const; // Get the kerning between the two characters - - BOOL hasGlyph(llwchar wch) const; // Has a glyph for this character - BOOL addChar(llwchar wch) const; // Add a new character to the font if necessary - BOOL addGlyph(llwchar wch, U32 glyph_index) const; // Add a new glyph to the existing font - BOOL addGlyphFromFont(const LLFontFreetype *fontp, llwchar wch, U32 glyph_index) const; // Add a glyph from this font to the other (returns the glyph_index, 0 if not found) - - LLFontGlyphInfo* getGlyphInfo(llwchar wch) const; - - void insertGlyphInfo(llwchar wch, LLFontGlyphInfo* gi) const; - void renderGlyph(U32 glyph_index) const; - - void reset(F32 vert_dpi, F32 horz_dpi); - void resetBitmapCache(); - - void destroyGL(); - - BOOL getIsFallback() const; - - const std::string& getName() const; - - F32 getPointSize() const; - - const LLPointer<LLFontBitmapCache> getFontBitmapCache() const; - - void setStyle(U8 style); - U8 getStyle() const; - -private: - void setSubImageLuminanceAlpha(U32 x, U32 y, U32 bitmap_num, U32 width, U32 height, U8 *data, S32 stride = 0) const; - - std::string mName; - - U8 mStyle; - - F32 mPointSize; - F32 mAscender; - F32 mDescender; - F32 mLineHeight; - - LLFT_Face mFTFace; - - BOOL mIsFallback; - font_vector_t mFallbackFonts; // A list of fallback fonts to look for glyphs in (for Unicode chars) - - BOOL mValid; - - typedef std::map<llwchar, LLFontGlyphInfo*> char_glyph_info_map_t; - mutable char_glyph_info_map_t mCharGlyphInfoMap; // Information about glyph location in bitmap - - mutable LLPointer<LLFontBitmapCache> mFontBitmapCachep; - - mutable S32 mRenderGlyphCount; - mutable S32 mAddGlyphCount; -}; - -#endif // LL_FONTFREETYPE_H |