diff options
Diffstat (limited to 'indra/llrender')
| -rw-r--r-- | indra/llrender/CMakeLists.txt | 4 | ||||
| -rw-r--r-- | indra/llrender/llfontbitmapcache.h | 2 | ||||
| -rw-r--r-- | indra/llrender/llfontfreetype.cpp | 630 | ||||
| -rw-r--r-- | indra/llrender/llfontfreetype.h | 380 | ||||
| -rw-r--r-- | indra/llrender/llfontgl.cpp | 864 | ||||
| -rw-r--r-- | indra/llrender/llfontgl.h | 217 | ||||
| -rw-r--r-- | indra/llrender/llfontregistry.cpp | 57 | ||||
| -rw-r--r-- | indra/llrender/llfontregistry.h | 2 |
8 files changed, 1551 insertions, 605 deletions
diff --git a/indra/llrender/CMakeLists.txt b/indra/llrender/CMakeLists.txt index 0e0fc6ce6c..aac650bec9 100644 --- a/indra/llrender/CMakeLists.txt +++ b/indra/llrender/CMakeLists.txt @@ -26,7 +26,7 @@ include_directories( set(llrender_SOURCE_FILES llcubemap.cpp - llfont.cpp + llfontfreetype.cpp llfontgl.cpp llfontbitmapcache.cpp llfontregistry.cpp @@ -45,7 +45,7 @@ set(llrender_HEADER_FILES llcubemap.h llfontgl.h - llfont.h + llfontfreetype.h llfontbitmapcache.h llfontregistry.h llgl.h diff --git a/indra/llrender/llfontbitmapcache.h b/indra/llrender/llfontbitmapcache.h index 4beea0d026..4a57052b91 100644 --- a/indra/llrender/llfontbitmapcache.h +++ b/indra/llrender/llfontbitmapcache.h @@ -36,7 +36,7 @@ #include <vector> // Maintain a collection of bitmaps containing rendered glyphs. -// Generalizes the single-bitmap logic from LLFont and LLFontGL. +// Generalizes the single-bitmap logic from LLFontFreetype and LLFontGL. class LLFontBitmapCache: public LLRefCount { public: diff --git a/indra/llrender/llfontfreetype.cpp b/indra/llrender/llfontfreetype.cpp new file mode 100644 index 0000000000..91a95cdd25 --- /dev/null +++ b/indra/llrender/llfontfreetype.cpp @@ -0,0 +1,630 @@ +/** + * @file llfontfreetype.cpp + * @brief Freetype 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. + * $/LicenseInfo$ + */ + +#include "linden_common.h" + +#include "llfontfreetype.h" + +// Freetype stuff +#include <ft2build.h> + +// For some reason, this won't work if it's not wrapped in the ifdef +#ifdef FT_FREETYPE_H +#include FT_FREETYPE_H +#endif + +#include "llerror.h" +#include "llimage.h" +//#include "llimagej2c.h" +#include "llmath.h" // Linden math +#include "llstring.h" +//#include "imdebug.h" +#include "llfontbitmapcache.h" +#include "llgl.h" + +FT_Render_Mode gFontRenderMode = FT_RENDER_MODE_NORMAL; + +LLFontManager *gFontManagerp = NULL; + +FT_Library gFTLibrary = NULL; + +//static +void LLFontManager::initClass() +{ + gFontManagerp = new LLFontManager; +} + +//static +void LLFontManager::cleanupClass() +{ + delete gFontManagerp; + gFontManagerp = NULL; +} + +LLFontManager::LLFontManager() +{ + int error; + error = FT_Init_FreeType(&gFTLibrary); + if (error) + { + // Clean up freetype libs. + llerrs << "Freetype initialization failure!" << llendl; + FT_Done_FreeType(gFTLibrary); + } +} + +LLFontManager::~LLFontManager() +{ + FT_Done_FreeType(gFTLibrary); +} + + +LLFontGlyphInfo::LLFontGlyphInfo(U32 index) +: mGlyphIndex(index), + mXBitmapOffset(0), // Offset to the origin in the bitmap + mYBitmapOffset(0), // Offset to the origin in the bitmap + mXBearing(0), // Distance from baseline to left in pixels + mYBearing(0), // Distance from baseline to top in pixels + mWidth(0), // In pixels + mHeight(0), // In pixels + mXAdvance(0.f), // In pixels + mYAdvance(0.f), // In pixels + mIsRendered(FALSE), + mMetricsValid(FALSE) +{ +} + +LLFontFreetype::LLFontFreetype() +: mFontBitmapCachep(new LLFontBitmapCache), + mValid(FALSE), + mAscender(0.f), + mDescender(0.f), + mLineHeight(0.f), + mIsFallback(FALSE), + mFTFace(NULL), + mRenderGlyphCount(0), + mAddGlyphCount(0), + mPointSize(0) +{ +} + + +LLFontFreetype::~LLFontFreetype() +{ + // Clean up freetype libs. + if (mFTFace) + FT_Done_Face(mFTFace); + mFTFace = NULL; + + // Delete glyph info + std::for_each(mCharGlyphInfoMap.begin(), mCharGlyphInfoMap.end(), DeletePairedPointer()); + + // mFontBitmapCachep will be cleaned up by LLPointer destructor. + // mFallbackFonts cleaned up by LLPointer destructor +} + +BOOL LLFontFreetype::loadFace(const std::string& filename, F32 point_size, F32 vert_dpi, F32 horz_dpi, S32 components, BOOL is_fallback) +{ + // Don't leak face objects. This is also needed to deal with + // changed font file names. + if (mFTFace) + { + FT_Done_Face(mFTFace); + mFTFace = NULL; + } + + int error; + + error = FT_New_Face( gFTLibrary, + filename.c_str(), + 0, + &mFTFace ); + + if (error) + { + return FALSE; + } + + mIsFallback = is_fallback; + F32 pixels_per_em = (point_size / 72.f)*vert_dpi; // Size in inches * dpi + + error = FT_Set_Char_Size(mFTFace, /* handle to face object */ + 0, /* char_width in 1/64th of points */ + (S32)(point_size*64), /* char_height in 1/64th of points */ + (U32)horz_dpi, /* horizontal device resolution */ + (U32)vert_dpi); /* vertical device resolution */ + + if (error) + { + // Clean up freetype libs. + FT_Done_Face(mFTFace); + mFTFace = NULL; + return FALSE; + } + + F32 y_max, y_min, x_max, x_min; + F32 ems_per_unit = 1.f/ mFTFace->units_per_EM; + F32 pixels_per_unit = pixels_per_em * ems_per_unit; + + // Get size of bbox in pixels + y_max = mFTFace->bbox.yMax * pixels_per_unit; + y_min = mFTFace->bbox.yMin * pixels_per_unit; + x_max = mFTFace->bbox.xMax * pixels_per_unit; + x_min = mFTFace->bbox.xMin * pixels_per_unit; + mAscender = mFTFace->ascender * pixels_per_unit; + mDescender = -mFTFace->descender * pixels_per_unit; + mLineHeight = mFTFace->height * pixels_per_unit; + + S32 max_char_width = llround(0.5f + (x_max - x_min)); + S32 max_char_height = llround(0.5f + (y_max - y_min)); + + mFontBitmapCachep->init(components, max_char_width, max_char_height); + + if (!mFTFace->charmap) + { + //llinfos << " no unicode encoding, set whatever encoding there is..." << llendl; + FT_Set_Charmap(mFTFace, mFTFace->charmaps[0]); + } + + if (!mIsFallback) + { + // Add the default glyph + addGlyph(0, 0); + } + + mName = filename; + mPointSize = point_size; + + return TRUE; +} + +void LLFontFreetype::setFallbackFonts(const font_vector_t &font) +{ + mFallbackFonts = font; +} + +const LLFontFreetype::font_vector_t &LLFontFreetype::getFallbackFonts() const +{ + return mFallbackFonts; +} + +F32 LLFontFreetype::getLineHeight() const +{ + return mLineHeight; +} + +F32 LLFontFreetype::getAscenderHeight() const +{ + return mAscender; +} + +F32 LLFontFreetype::getDescenderHeight() const +{ + return mDescender; +} + +F32 LLFontFreetype::getXAdvance(llwchar wch) const +{ + if (mFTFace == NULL) + return 0.0; + + llassert(!mIsFallback); + U32 glyph_index; + + // Return existing info only if it is current + LLFontGlyphInfo* gi = getGlyphInfo(wch); + if (gi && gi->mMetricsValid) + { + return gi->mXAdvance; + } + + const LLFontFreetype* fontp = this; + + // Initialize char to glyph map + glyph_index = FT_Get_Char_Index(mFTFace, wch); + if (glyph_index == 0) + { + font_vector_t::const_iterator iter; + for(iter = mFallbackFonts.begin(); (iter != mFallbackFonts.end()) && (glyph_index == 0); iter++) + { + glyph_index = FT_Get_Char_Index((*iter)->mFTFace, wch); + if(glyph_index) + { + fontp = *iter; + } + } + } + + if (glyph_index) + { + // This font has this glyph + fontp->renderGlyph(glyph_index); + + // Create the entry if it's not there + char_glyph_info_map_t::iterator iter2 = mCharGlyphInfoMap.find(wch); + if (iter2 == mCharGlyphInfoMap.end()) + { + gi = new LLFontGlyphInfo(glyph_index); + insertGlyphInfo(wch, gi); + } + else + { + gi = iter2->second; + } + + gi->mWidth = fontp->mFTFace->glyph->bitmap.width; + gi->mHeight = fontp->mFTFace->glyph->bitmap.rows; + + // Convert these from 26.6 units to float pixels. + gi->mXAdvance = fontp->mFTFace->glyph->advance.x / 64.f; + gi->mYAdvance = fontp->mFTFace->glyph->advance.y / 64.f; + gi->mMetricsValid = TRUE; + return gi->mXAdvance; + } + else + { + gi = get_if_there(mCharGlyphInfoMap, (llwchar)0, (LLFontGlyphInfo*)NULL); + if (gi) + { + return gi->mXAdvance; + } + } + + // Last ditch fallback - no glyphs defined at all. + return (F32)mFontBitmapCachep->getMaxCharWidth(); +} + +F32 LLFontFreetype::getXKerning(llwchar char_left, llwchar char_right) const +{ + if (mFTFace == NULL) + return 0.0; + + llassert(!mIsFallback); + LLFontGlyphInfo* left_glyph_info = get_if_there(mCharGlyphInfoMap, char_left, (LLFontGlyphInfo*)NULL); + U32 left_glyph = left_glyph_info ? left_glyph_info->mGlyphIndex : 0; + // Kern this puppy. + LLFontGlyphInfo* right_glyph_info = get_if_there(mCharGlyphInfoMap, char_right, (LLFontGlyphInfo*)NULL); + U32 right_glyph = right_glyph_info ? right_glyph_info->mGlyphIndex : 0; + + FT_Vector delta; + + llverify(!FT_Get_Kerning(mFTFace, left_glyph, right_glyph, ft_kerning_unfitted, &delta)); + + return delta.x*(1.f/64.f); +} + +BOOL LLFontFreetype::hasGlyph(llwchar wch) const +{ + llassert(!mIsFallback); + const LLFontGlyphInfo* gi = getGlyphInfo(wch); + if (gi && gi->mIsRendered) + { + return TRUE; + } + else + { + return FALSE; + } +} + +BOOL LLFontFreetype::addChar(llwchar wch) const +{ + if (mFTFace == NULL) + return FALSE; + + llassert(!mIsFallback); + //lldebugs << "Adding new glyph for " << wch << " to font" << llendl; + + FT_UInt glyph_index; + + // Initialize char to glyph map + glyph_index = FT_Get_Char_Index(mFTFace, wch); + if (glyph_index == 0) + { + //llinfos << "Trying to add glyph from fallback font!" << llendl + font_vector_t::const_iterator iter; + for(iter = mFallbackFonts.begin(); iter != mFallbackFonts.end(); iter++) + { + glyph_index = FT_Get_Char_Index((*iter)->mFTFace, wch); + if (glyph_index) + { + addGlyphFromFont(*iter, wch, glyph_index); + return TRUE; + } + } + } + + char_glyph_info_map_t::iterator iter = mCharGlyphInfoMap.find(wch); + if (iter == mCharGlyphInfoMap.end() || !(iter->second->mIsRendered)) + { + BOOL result = addGlyph(wch, glyph_index); + return result; + } + return FALSE; +} + +BOOL LLFontFreetype::addGlyph(llwchar wch, U32 glyph_index) const +{ + return addGlyphFromFont(this, wch, glyph_index); +} + +BOOL LLFontFreetype::addGlyphFromFont(const LLFontFreetype *fontp, llwchar wch, U32 glyph_index) const +{ + if (mFTFace == NULL) + return FALSE; + + llassert(!mIsFallback); + fontp->renderGlyph(glyph_index); + S32 width = fontp->mFTFace->glyph->bitmap.width; + S32 height = fontp->mFTFace->glyph->bitmap.rows; + + S32 pos_x, pos_y; + S32 bitmap_num; + mFontBitmapCachep->nextOpenPos(width, pos_x, pos_y, bitmap_num); + mAddGlyphCount++; + + LLFontGlyphInfo* gi = new LLFontGlyphInfo(glyph_index); + gi->mXBitmapOffset = pos_x; + gi->mYBitmapOffset = pos_y; + gi->mBitmapNum = bitmap_num; + gi->mWidth = width; + gi->mHeight = height; + gi->mXBearing = fontp->mFTFace->glyph->bitmap_left; + gi->mYBearing = fontp->mFTFace->glyph->bitmap_top; + // Convert these from 26.6 units to float pixels. + gi->mXAdvance = fontp->mFTFace->glyph->advance.x / 64.f; + gi->mYAdvance = fontp->mFTFace->glyph->advance.y / 64.f; + gi->mIsRendered = TRUE; + gi->mMetricsValid = TRUE; + + insertGlyphInfo(wch, gi); + + llassert(fontp->mFTFace->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO + || fontp->mFTFace->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_GRAY); + + if (fontp->mFTFace->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_MONO + || fontp->mFTFace->glyph->bitmap.pixel_mode == FT_PIXEL_MODE_GRAY) + { + U8 *buffer_data = fontp->mFTFace->glyph->bitmap.buffer; + S32 buffer_row_stride = fontp->mFTFace->glyph->bitmap.pitch; + U8 *tmp_graydata = NULL; + + if (fontp->mFTFace->glyph->bitmap.pixel_mode + == FT_PIXEL_MODE_MONO) + { + // need to expand 1-bit bitmap to 8-bit graymap. + tmp_graydata = new U8[width * height]; + S32 xpos, ypos; + for (ypos = 0; ypos < height; ++ypos) + { + S32 bm_row_offset = buffer_row_stride * ypos; + for (xpos = 0; xpos < width; ++xpos) + { + U32 bm_col_offsetbyte = xpos / 8; + U32 bm_col_offsetbit = 7 - (xpos % 8); + U32 bit = + !!(buffer_data[bm_row_offset + + bm_col_offsetbyte + ] & (1 << bm_col_offsetbit) ); + tmp_graydata[width*ypos + xpos] = + 255 * bit; + } + } + // use newly-built graymap. + buffer_data = tmp_graydata; + buffer_row_stride = width; + } + + switch (mFontBitmapCachep->getNumComponents()) + { + case 1: + mFontBitmapCachep->getImageRaw(bitmap_num)->setSubImage(pos_x, + pos_y, + width, + height, + buffer_data, + buffer_row_stride, + TRUE); + break; + case 2: + setSubImageLuminanceAlpha(pos_x, + pos_y, + bitmap_num, + width, + height, + buffer_data, + buffer_row_stride); + break; + default: + break; + } + + if (tmp_graydata) + delete[] tmp_graydata; + } else { + // we don't know how to handle this pixel format from FreeType; + // omit it from the font-image. + } + + return TRUE; +} + +LLFontGlyphInfo* LLFontFreetype::getGlyphInfo(llwchar wch) const +{ + char_glyph_info_map_t::iterator iter = mCharGlyphInfoMap.find(wch); + if (iter != mCharGlyphInfoMap.end()) + { + return iter->second; + } + return NULL; +} + +void LLFontFreetype::insertGlyphInfo(llwchar wch, LLFontGlyphInfo* gi) const +{ + char_glyph_info_map_t::iterator iter = mCharGlyphInfoMap.find(wch); + if (iter != mCharGlyphInfoMap.end()) + { + delete iter->second; + iter->second = gi; + } + else + { + mCharGlyphInfoMap[wch] = gi; + } +} + +void LLFontFreetype::renderGlyph(U32 glyph_index) const +{ + if (mFTFace == NULL) + return; + + int error = FT_Load_Glyph(mFTFace, glyph_index, FT_LOAD_DEFAULT ); + llassert(!error); + + error = FT_Render_Glyph(mFTFace->glyph, gFontRenderMode); + + mRenderGlyphCount++; + + llassert(!error); +} + +void LLFontFreetype::reset(F32 vert_dpi, F32 horz_dpi) +{ + if (!mIsFallback) + { + // This is the head of the list - need to rebuild ourself and all fallbacks. + loadFace(mName, mPointSize, vert_dpi ,horz_dpi, mFontBitmapCachep->getNumComponents(), mIsFallback); + + if (mFallbackFonts.empty()) + { + llwarns << "LLFontGL::reset(), no fallback fonts present" << llendl; + } + else + { + for(font_vector_t::iterator it = mFallbackFonts.begin(); + it != mFallbackFonts.end(); + ++it) + { + (*it)->reset(vert_dpi, horz_dpi); + } + } + } + resetBitmapCache(); +} + +void LLFontFreetype::resetBitmapCache() +{ + // Iterate through glyphs and clear the mIsRendered flag + for (char_glyph_info_map_t::iterator iter = mCharGlyphInfoMap.begin(); + iter != mCharGlyphInfoMap.end(); ++iter) + { + iter->second->mIsRendered = FALSE; + //FIXME: this is only strictly necessary when resetting the entire font, + //not just flushing the bitmap + iter->second->mMetricsValid = FALSE; + } + mFontBitmapCachep->reset(); + + // Add the empty glyph`5 + addGlyph(0, 0); +} + +void LLFontFreetype::destroyGL() +{ + mFontBitmapCachep->destroyGL(); +} + +BOOL LLFontFreetype::getIsFallback() const +{ + return mIsFallback; +} + +const std::string &LLFontFreetype::getName() const +{ + return mName; +} + +F32 LLFontFreetype::getPointSize() const +{ + return mPointSize; +} + +const LLPointer<LLFontBitmapCache> LLFontFreetype::getFontBitmapCache() const +{ + return mFontBitmapCachep; +} + +void LLFontFreetype::setStyle(U8 style) +{ + mStyle = style; +} + +U8 LLFontFreetype::getStyle() const +{ + return mStyle; +} + +void LLFontFreetype::setSubImageLuminanceAlpha(U32 x, U32 y, U32 bitmap_num, U32 width, U32 height, U8 *data, S32 stride) const +{ + LLImageRaw *image_raw = mFontBitmapCachep->getImageRaw(bitmap_num); + + llassert(!mIsFallback); + llassert(image_raw && (image_raw->getComponents() == 2)); + + + U8 *target = image_raw->getData(); + + if (!data) + { + return; + } + + if (0 == stride) + stride = width; + + U32 i, j; + U32 to_offset; + U32 from_offset; + U32 target_width = image_raw->getWidth(); + for (i = 0; i < height; i++) + { + to_offset = (y + i)*target_width + x; + from_offset = (height - 1 - i)*stride; + for (j = 0; j < width; j++) + { + *(target + to_offset*2 + 1) = *(data + from_offset); + to_offset++; + from_offset++; + } + } +} + diff --git a/indra/llrender/llfontfreetype.h b/indra/llrender/llfontfreetype.h new file mode 100644 index 0000000000..0520ef2cd6 --- /dev/null +++ b/indra/llrender/llfontfreetype.h @@ -0,0 +1,380 @@ +/** + * @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 +/** + * @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 diff --git a/indra/llrender/llfontgl.cpp b/indra/llrender/llfontgl.cpp index 0b57d86c78..32a008047c 100644 --- a/indra/llrender/llfontgl.cpp +++ b/indra/llrender/llfontgl.cpp @@ -35,7 +35,7 @@ #include "llfontgl.h" // Linden library includes -#include "llfont.h" +#include "llfontfreetype.h" #include "llfontbitmapcache.h" #include "llfontregistry.h" #include "llgl.h" @@ -73,54 +73,25 @@ const F32 PIXEL_CORRECTION_DISTANCE = 0.01f; const F32 PAD_UVY = 0.5f; // half of vertical padding between glyphs in the glyph texture const F32 DROP_SHADOW_SOFT_STRENGTH = 0.3f; -F32 llfont_round_x(F32 x) +static F32 llfont_round_x(F32 x) { //return llfloor((x-LLFontGL::sCurOrigin.mX)/LLFontGL::sScaleX+0.5f)*LLFontGL::sScaleX+LLFontGL::sCurOrigin.mX; //return llfloor(x/LLFontGL::sScaleX+0.5f)*LLFontGL::sScaleY; return x; } -F32 llfont_round_y(F32 y) +static F32 llfont_round_y(F32 y) { //return llfloor((y-LLFontGL::sCurOrigin.mY)/LLFontGL::sScaleY+0.5f)*LLFontGL::sScaleY+LLFontGL::sCurOrigin.mY; //return llfloor(y+0.5f); return y; } -// static -U8 LLFontGL::getStyleFromString(const std::string &style) -{ - S32 ret = 0; - if (style.find("NORMAL") != style.npos) - { - ret |= NORMAL; - } - if (style.find("BOLD") != style.npos) - { - ret |= BOLD; - } - if (style.find("ITALIC") != style.npos) - { - ret |= ITALIC; - } - if (style.find("UNDERLINE") != style.npos) - { - ret |= UNDERLINE; - } - return ret; -} - LLFontGL::LLFontGL() - : LLFont() { clearEmbeddedChars(); } -LLFontGL::LLFontGL(const LLFontGL &source) -{ - llerrs << "Not implemented!" << llendl; -} - LLFontGL::~LLFontGL() { clearEmbeddedChars(); @@ -128,293 +99,26 @@ LLFontGL::~LLFontGL() void LLFontGL::reset() { - if (!mIsFallback) - { - // This is the head of the list - need to rebuild ourself and all fallbacks. - loadFace(mName,mPointSize,sVertDPI,sHorizDPI,mFontBitmapCachep->getNumComponents(),mIsFallback); - if (mFallbackFontp==NULL) - { - llwarns << "LLFontGL::reset(), no fallback fonts present" << llendl; - } - else - { - for (LLFontList::iterator it = mFallbackFontp->begin(); - it != mFallbackFontp->end(); - ++it) - { - (*it)->reset(); - } - } - } - resetBitmapCache(); -} - -// static -std::string LLFontGL::getFontPathSystem() -{ - std::string system_path; - - // Try to figure out where the system's font files are stored. - char *system_root = NULL; -#if LL_WINDOWS - system_root = getenv("SystemRoot"); /* Flawfinder: ignore */ - if (!system_root) - { - llwarns << "SystemRoot not found, attempting to load fonts from default path." << llendl; - } -#endif - - if (system_root) - { - system_path = llformat("%s/fonts/", system_root); - } - else - { -#if LL_WINDOWS - // HACK for windows 98/Me - system_path = "/WINDOWS/FONTS/"; -#elif LL_DARWIN - // HACK for Mac OS X - system_path = "/System/Library/Fonts/"; -#endif - } - return system_path; -} - - -// static -std::string LLFontGL::getFontPathLocal() -{ - std::string local_path; - - // Backup files if we can't load from system fonts directory. - // We could store this in an end-user writable directory to allow - // end users to switch fonts. - if (LLFontGL::sAppDir.length()) - { - // use specified application dir to look for fonts - local_path = LLFontGL::sAppDir + "/fonts/"; - } - else - { - // assume working directory is executable directory - local_path = "./fonts/"; - } - return local_path; -} - -bool findOrCreateFont(LLFontGL*& fontp, const LLFontDescriptor& desc) -{ - // Don't delete existing fonts, if any, here, because they've - // already been deleted by LLFontRegistry::clear() - fontp = LLFontGL::getFont(desc); - return (fontp != NULL); -} - -// static -void LLFontGL::initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, - const std::string& app_dir, - const std::vector<std::string>& xui_paths, - bool create_gl_textures) -{ - sVertDPI = (F32)llfloor(screen_dpi * y_scale); - sHorizDPI = (F32)llfloor(screen_dpi * x_scale); - sScaleX = x_scale; - sScaleY = y_scale; - sAppDir = app_dir; - - // Font registry init - if (!sFontRegistry) - { - sFontRegistry = new LLFontRegistry(xui_paths, create_gl_textures); - sFontRegistry->parseFontInfo("fonts.xml"); - } - else - { - sFontRegistry->reset(); - } -} - -// Force standard fonts to get generated up front. -// This is primarily for error detection purposes. -// Don't do this during initClass because it can be slow and we want to get -// the viewer window on screen first. JC -// static -bool LLFontGL::loadDefaultFonts() -{ - bool succ = true; - succ &= (NULL != getFontSansSerifSmall()); - succ &= (NULL != getFontSansSerif()); - succ &= (NULL != getFontSansSerifBig()); - succ &= (NULL != getFontSansSerifHuge()); - succ &= (NULL != getFontSansSerifBold()); - succ &= (NULL != getFontMonospace()); - succ &= (NULL != getFontExtChar()); - return succ; -} - - - -// static -void LLFontGL::destroyDefaultFonts() -{ - // Remove the actual fonts. - delete sFontRegistry; - sFontRegistry = NULL; -} - -//static -void LLFontGL::destroyAllGL() -{ - if (sFontRegistry) - { - sFontRegistry->destroyGL(); - } + mFontFreetype->reset(sVertDPI, sHorizDPI); } void LLFontGL::destroyGL() { - mFontBitmapCachep->destroyGL(); -} - - - -LLFontGL &LLFontGL::operator=(const LLFontGL &source) -{ - llerrs << "Not implemented" << llendl; - return *this; -} - -BOOL LLFontGL::loadFace(const std::string& filename, - const F32 point_size, const F32 vert_dpi, const F32 horz_dpi, - const S32 components, BOOL is_fallback) -{ - if (!LLFont::loadFace(filename, point_size, vert_dpi, horz_dpi, components, is_fallback)) - { - return FALSE; - } - return TRUE; -} - -//static -LLFontGL* LLFontGL::getFontMonospace() -{ - return getFont(LLFontDescriptor("Monospace","Monospace",0)); -} - -//static -LLFontGL* LLFontGL::getFontSansSerifSmall() -{ - return getFont(LLFontDescriptor("SansSerif","Small",0)); -} - -//static -LLFontGL* LLFontGL::getFontSansSerif() -{ - return getFont(LLFontDescriptor("SansSerif","Medium",0)); -} - -//static -LLFontGL* LLFontGL::getFontSansSerifBig() -{ - return getFont(LLFontDescriptor("SansSerif","Large",0)); -} - -//static -LLFontGL* LLFontGL::getFontSansSerifHuge() -{ - return getFont(LLFontDescriptor("SansSerif","Huge",0)); -} - -//static -LLFontGL* LLFontGL::getFontSansSerifBold() -{ - return getFont(LLFontDescriptor("SansSerif","Medium",BOLD)); -} - -//static -LLFontGL* LLFontGL::getFontExtChar() -{ - return getFontSansSerif(); -} - -//static -LLFontGL* LLFontGL::getFont(const LLFontDescriptor& desc) -{ - return sFontRegistry->getFont(desc); -} - -//static -LLFontGL* LLFontGL::getFontByName(const std::string& name) -{ - // check for most common fonts first - if (name == "SANSSERIF") - { - return getFontSansSerif(); - } - else if (name == "SANSSERIF_SMALL") - { - return getFontSansSerifSmall(); - } - else if (name == "SANSSERIF_BIG") - { - return getFontSansSerifBig(); - } - else if (name == "SMALL" || name == "OCRA") - { - // *BUG: Should this be "MONOSPACE"? Do we use "OCRA" anymore? - // Does "SMALL" mean "SERIF"? - return getFontMonospace(); - } - else - { - return NULL; - } + mFontFreetype->destroyGL(); } -BOOL LLFontGL::addChar(const llwchar wch) const +BOOL LLFontGL::loadFace(const std::string& filename, F32 point_size, F32 vert_dpi, F32 horz_dpi, S32 components, BOOL is_fallback) { - if (!LLFont::addChar(wch)) + if(mFontFreetype == reinterpret_cast<LLFontFreetype*>(NULL)) { - return FALSE; + mFontFreetype = new LLFontFreetype; } - stop_glerror(); - - LLFontGlyphInfo *glyph_info = getGlyphInfo(wch); - U32 bitmap_num = glyph_info->mBitmapNum; - LLImageGL *image_gl = mFontBitmapCachep->getImageGL(bitmap_num); - LLImageRaw *image_raw = mFontBitmapCachep->getImageRaw(bitmap_num); - image_gl->setSubImage(image_raw, 0, 0, image_gl->getWidth(), image_gl->getHeight()); - return TRUE; + return mFontFreetype->loadFace(filename, point_size, vert_dpi, horz_dpi, components, is_fallback); } - -S32 LLFontGL::renderUTF8(const std::string &text, const S32 offset, - const F32 x, const F32 y, - const LLColor4 &color, - const HAlign halign, const VAlign valign, - U8 style, - ShadowType shadow, - const S32 max_chars, const S32 max_pixels, - F32* right_x, - BOOL use_ellipses) const -{ - LLWString wstr = utf8str_to_wstring(text); - return render(wstr, offset, x, y, color, halign, valign, style, shadow, max_chars, max_pixels, right_x, FALSE, use_ellipses); -} - -S32 LLFontGL::render(const LLWString &wstr, - const S32 begin_offset, - const F32 x, const F32 y, - const LLColor4 &color, - const HAlign halign, const VAlign valign, - U8 style, - ShadowType shadow, - const S32 max_chars, S32 max_pixels, - F32* right_x, - BOOL use_embedded, - BOOL use_ellipses) const +S32 LLFontGL::render(const LLWString &wstr, S32 begin_offset, F32 x, F32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style, + ShadowType shadow, S32 max_chars, S32 max_pixels, F32* right_x, BOOL use_embedded, BOOL use_ellipses) const { if(!sDisplayFont) //do not display texts { @@ -430,8 +134,9 @@ S32 LLFontGL::render(const LLWString &wstr, S32 scaled_max_pixels = max_pixels == S32_MAX ? S32_MAX : llceil((F32)max_pixels * sScaleX); - // Strip off any style bits that are already accounted for by the font. - style = style & (~getFontDesc().getStyle()); + // determine which style flags need to be added programmatically by striping off the + // style bits that are drawn by the underlying Freetype font + U8 style_to_add = (style | mFontDescriptor.getStyle()) & ~mFontFreetype->getStyle(); F32 drop_shadow_strength = 0.f; if (shadow != NO_SHADOW) @@ -483,13 +188,13 @@ S32 LLFontGL::render(const LLWString &wstr, switch (valign) { case TOP: - cur_y -= mAscender; + cur_y -= mFontFreetype->getAscenderHeight(); break; case BOTTOM: - cur_y += mDescender; + cur_y += mFontFreetype->getDescenderHeight(); break; case VCENTER: - cur_y -= ((mAscender - mDescender)/2.f); + cur_y -= ((mFontFreetype->getAscenderHeight() - mFontFreetype->getDescenderHeight())/2.f); break; case BASELINE: // Baseline, do nothing. @@ -517,10 +222,12 @@ S32 LLFontGL::render(const LLWString &wstr, F32 start_x = cur_x; - F32 inv_width = 1.f / mFontBitmapCachep->getBitmapWidth(); - F32 inv_height = 1.f / mFontBitmapCachep->getBitmapHeight(); + const LLFontBitmapCache* font_bitmap_cache = mFontFreetype->getFontBitmapCache(); + + F32 inv_width = 1.f / font_bitmap_cache->getBitmapWidth(); + F32 inv_height = 1.f / font_bitmap_cache->getBitmapHeight(); - const S32 LAST_CHARACTER = LLFont::LAST_CHAR_FULL; + const S32 LAST_CHARACTER = LLFontFreetype::LAST_CHAR_FULL; BOOL draw_ellipses = FALSE; @@ -576,11 +283,11 @@ S32 LLFontGL::render(const LLWString &wstr, // snap origin to whole screen pixel const F32 ext_x = (F32)llround(cur_render_x + (EXT_X_BEARING * sScaleX)); - const F32 ext_y = (F32)llround(cur_render_y + (EXT_Y_BEARING * sScaleY + mAscender - mLineHeight)); + const F32 ext_y = (F32)llround(cur_render_y + (EXT_Y_BEARING * sScaleY + mFontFreetype->getAscenderHeight() - mFontFreetype->getLineHeight())); LLRectf uv_rect(0.f, 1.f, 1.f, 0.f); LLRectf screen_rect(ext_x, ext_y + ext_height, ext_x + ext_width, ext_y); - drawGlyph(screen_rect, uv_rect, LLColor4::white, style, shadow, drop_shadow_strength); + drawGlyph(screen_rect, uv_rect, LLColor4::white, style_to_add, shadow, drop_shadow_strength); if (!label.empty()) { @@ -609,19 +316,19 @@ S32 LLFontGL::render(const LLWString &wstr, } else { - if (!hasGlyph(wch)) + if (!mFontFreetype->hasGlyph(wch)) { addChar(wch); } - const LLFontGlyphInfo* fgi= getGlyphInfo(wch); + const LLFontGlyphInfo* fgi= mFontFreetype->getGlyphInfo(wch); if (!fgi) { llerrs << "Missing Glyph Info" << llendl; break; } // Per-glyph bitmap texture. - LLImageGL *image_gl = mFontBitmapCachep->getImageGL(fgi->mBitmapNum); + LLImageGL *image_gl = mFontFreetype->getFontBitmapCache()->getImageGL(fgi->mBitmapNum); if (last_bound_texture != image_gl) { gGL.getTexUnit(0)->bind(image_gl); @@ -646,7 +353,7 @@ S32 LLFontGL::render(const LLWString &wstr, llround(cur_render_x + (F32)fgi->mXBearing) + (F32)fgi->mWidth, llround(cur_render_y + (F32)fgi->mYBearing) - (F32)fgi->mHeight); - drawGlyph(screen_rect, uv_rect, color, style, shadow, drop_shadow_strength); + drawGlyph(screen_rect, uv_rect, color, style_to_add, shadow, drop_shadow_strength); chars_drawn++; cur_x += fgi->mXAdvance; @@ -656,11 +363,11 @@ S32 LLFontGL::render(const LLWString &wstr, if (next_char && (next_char < LAST_CHARACTER)) { // Kern this puppy. - if (!hasGlyph(next_char)) + if (!mFontFreetype->hasGlyph(next_char)) { addChar(next_char); } - cur_x += getXKerning(wch, next_char); + cur_x += mFontFreetype->getXKerning(wch, next_char); } // Round after kerning. @@ -680,12 +387,14 @@ S32 LLFontGL::render(const LLWString &wstr, *right_x = cur_x / sScaleX; } - if (style & UNDERLINE) + if (style_to_add & UNDERLINE) { + F32 descender = mFontFreetype->getDescenderHeight(); + gGL.getTexUnit(0)->unbind(LLTexUnit::TT_TEXTURE); gGL.begin(LLRender::LINES); - gGL.vertex2f(start_x, cur_y - (mDescender)); - gGL.vertex2f(cur_x, cur_y - (mDescender)); + gGL.vertex2f(start_x, cur_y - (descender)); + gGL.vertex2f(cur_x, cur_y - (descender)); gGL.end(); } @@ -703,7 +412,7 @@ S32 LLFontGL::render(const LLWString &wstr, cur_x / sScaleX, (F32)y, color, LEFT, valign, - style, + style_to_add, shadow, S32_MAX, max_pixels, right_x, @@ -716,6 +425,41 @@ S32 LLFontGL::render(const LLWString &wstr, return chars_drawn; } +S32 LLFontGL::render(const LLWString &text, S32 begin_offset, F32 x, F32 y, const LLColor4 &color) const +{ + return render(text, begin_offset, x, y, color, LEFT, BASELINE, NORMAL, NO_SHADOW, S32_MAX, S32_MAX, NULL, FALSE, FALSE); +} + +S32 LLFontGL::renderUTF8(const std::string &text, S32 begin_offset, F32 x, F32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style, ShadowType shadow, S32 max_chars, S32 max_pixels, F32* right_x, BOOL use_ellipses) const +{ + return render(utf8str_to_wstring(text), begin_offset, x, y, color, halign, valign, style, shadow, max_chars, max_pixels, right_x, FALSE, use_ellipses); +} + +S32 LLFontGL::renderUTF8(const std::string &text, S32 begin_offset, S32 x, S32 y, const LLColor4 &color) const +{ + return renderUTF8(text, begin_offset, (F32)x, (F32)y, color, LEFT, BASELINE, NORMAL, NO_SHADOW, S32_MAX, S32_MAX, NULL, FALSE); +} + +S32 LLFontGL::renderUTF8(const std::string &text, S32 begin_offset, S32 x, S32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style, ShadowType shadow) const +{ + return renderUTF8(text, begin_offset, (F32)x, (F32)y, color, halign, valign, style, shadow, S32_MAX, S32_MAX, NULL, FALSE); +} + +// font metrics - override for LLFontFreetype that returns units of virtual pixels +F32 LLFontGL::getLineHeight() const +{ + return (F32)llround(mFontFreetype->getLineHeight() / sScaleY); +} + +F32 LLFontGL::getAscenderHeight() const +{ + return (F32)llround(mFontFreetype->getAscenderHeight() / sScaleY); +} + +F32 LLFontGL::getDescenderHeight() const +{ + return (F32)llround(mFontFreetype->getDescenderHeight() / sScaleY); +} S32 LLFontGL::getWidth(const std::string& utf8text) const { @@ -728,13 +472,13 @@ S32 LLFontGL::getWidth(const llwchar* wchars) const return getWidth(wchars, 0, S32_MAX); } -S32 LLFontGL::getWidth(const std::string& utf8text, const S32 begin_offset, const S32 max_chars) const +S32 LLFontGL::getWidth(const std::string& utf8text, S32 begin_offset, S32 max_chars) const { LLWString wtext = utf8str_to_wstring(utf8text); return getWidth(wtext.c_str(), begin_offset, max_chars); } -S32 LLFontGL::getWidth(const llwchar* wchars, const S32 begin_offset, const S32 max_chars, BOOL use_embedded) const +S32 LLFontGL::getWidth(const llwchar* wchars, S32 begin_offset, S32 max_chars, BOOL use_embedded) const { F32 width = getWidthF32(wchars, begin_offset, max_chars, use_embedded); return llround(width); @@ -751,15 +495,15 @@ F32 LLFontGL::getWidthF32(const llwchar* wchars) const return getWidthF32(wchars, 0, S32_MAX); } -F32 LLFontGL::getWidthF32(const std::string& utf8text, const S32 begin_offset, const S32 max_chars ) const +F32 LLFontGL::getWidthF32(const std::string& utf8text, S32 begin_offset, S32 max_chars ) const { LLWString wtext = utf8str_to_wstring(utf8text); return getWidthF32(wtext.c_str(), begin_offset, max_chars); } -F32 LLFontGL::getWidthF32(const llwchar* wchars, const S32 begin_offset, const S32 max_chars, BOOL use_embedded) const +F32 LLFontGL::getWidthF32(const llwchar* wchars, S32 begin_offset, S32 max_chars, BOOL use_embedded) const { - const S32 LAST_CHARACTER = LLFont::LAST_CHAR_FULL; + const S32 LAST_CHARACTER = LLFontFreetype::LAST_CHAR_FULL; F32 cur_x = 0; const S32 max_index = begin_offset + max_chars; @@ -783,7 +527,7 @@ F32 LLFontGL::getWidthF32(const llwchar* wchars, const S32 begin_offset, const S } else { - cur_x += getXAdvance(wch); + cur_x += mFontFreetype->getXAdvance(wch); llwchar next_char = wchars[i+1]; if (((i + 1) < max_chars) @@ -791,7 +535,7 @@ F32 LLFontGL::getWidthF32(const llwchar* wchars, const S32 begin_offset, const S && (next_char < LAST_CHARACTER)) { // Kern this puppy. - cur_x += getXKerning(wch, next_char); + cur_x += mFontFreetype->getXKerning(wch, next_char); } } // Round after kerning. @@ -801,12 +545,8 @@ F32 LLFontGL::getWidthF32(const llwchar* wchars, const S32 begin_offset, const S return cur_x / sScaleX; } - - // Returns the max number of complete characters from text (up to max_chars) that can be drawn in max_pixels -S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_chars, - BOOL end_on_word_boundary, const BOOL use_embedded, - F32* drawn_pixels) const +S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_chars, BOOL end_on_word_boundary, BOOL use_embedded, F32* drawn_pixels) const { if (!wchars || !wchars[0] || max_chars == 0) { @@ -899,7 +639,7 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch } } - cur_x += getXAdvance(wch); + cur_x += mFontFreetype->getXAdvance(wch); if (scaled_max_pixels < cur_x) { @@ -910,7 +650,7 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch if (((i+1) < max_chars) && wchars[i+1]) { // Kern this puppy. - cur_x += getXKerning(wch, wchars[i+1]); + cur_x += mFontFreetype->getXKerning(wch, wchars[i+1]); } } // Round after kerning. @@ -929,7 +669,6 @@ S32 LLFontGL::maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_ch return i; } - S32 LLFontGL::firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_len, S32 start_pos, S32 max_chars) const { if (!wchars || !wchars[0] || max_chars == 0) @@ -948,7 +687,7 @@ S32 LLFontGL::firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_ llwchar wch = wchars[i]; const embedded_data_t* ext_data = getEmbeddedCharData(wch); - F32 char_width = ext_data ? getEmbeddedCharAdvance(ext_data) : getXAdvance(wch); + F32 char_width = ext_data ? getEmbeddedCharAdvance(ext_data) : mFontFreetype->getXAdvance(wch); if( scaled_max_pixels < (total_width + char_width) ) { @@ -966,7 +705,7 @@ S32 LLFontGL::firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_ if ( i > 0 ) { // kerning - total_width += ext_data ? (EXT_KERNING * sScaleX) : getXKerning(wchars[i-1], wch); + total_width += ext_data ? (EXT_KERNING * sScaleX) : mFontFreetype->getXKerning(wchars[i-1], wch); } // Round after kerning. @@ -976,8 +715,7 @@ S32 LLFontGL::firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_ return start_pos - drawable_chars; } - -S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, const S32 begin_offset, F32 target_x, F32 max_pixels, S32 max_chars, BOOL round, BOOL use_embedded) const +S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, S32 begin_offset, F32 target_x, F32 max_pixels, S32 max_chars, BOOL round, BOOL use_embedded) const { if (!wchars || !wchars[0] || max_chars == 0) { @@ -1041,7 +779,7 @@ S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, const S32 begin_offset, } else { - F32 char_width = getXAdvance(wch); + F32 char_width = mFontFreetype->getXAdvance(wch); if (round) { @@ -1070,7 +808,7 @@ S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, const S32 begin_offset, { llwchar next_char = wchars[i + 1]; // Kern this puppy. - cur_x += getXKerning(wch, next_char); + cur_x += mFontFreetype->getXKerning(wch, next_char); } // Round after kerning. @@ -1081,60 +819,370 @@ S32 LLFontGL::charFromPixelOffset(const llwchar* wchars, const S32 begin_offset, return pos; } +void LLFontGL::addEmbeddedChar( llwchar wc, LLTexture* image, const std::string& label ) const +{ + LLWString wlabel = utf8str_to_wstring(label); + addEmbeddedChar(wc, image, wlabel); +} -const LLFontGL::embedded_data_t* LLFontGL::getEmbeddedCharData(const llwchar wch) const +void LLFontGL::addEmbeddedChar( llwchar wc, LLTexture* image, const LLWString& wlabel ) const { - // Handle crappy embedded hack - embedded_map_t::const_iterator iter = mEmbeddedChars.find(wch); + embedded_data_t* ext_data = new embedded_data_t(image->getGLTexture(), wlabel); + mEmbeddedChars[wc] = ext_data; +} + +void LLFontGL::removeEmbeddedChar(llwchar wc) const +{ + embedded_map_t::iterator iter = mEmbeddedChars.find(wc); if (iter != mEmbeddedChars.end()) { - return iter->second; + delete iter->second; + mEmbeddedChars.erase(wc); } - return NULL; } +BOOL LLFontGL::addChar(llwchar wch) const +{ + if (!mFontFreetype->addChar(wch)) + { + return FALSE; + } + + stop_glerror(); -F32 LLFontGL::getEmbeddedCharAdvance(const embedded_data_t* ext_data) const + LLFontGlyphInfo *glyph_info = mFontFreetype->getGlyphInfo(wch); + U32 bitmap_num = glyph_info->mBitmapNum; + + const LLFontBitmapCache* font_bitmap_cache = mFontFreetype->getFontBitmapCache(); + LLImageGL *image_gl = font_bitmap_cache->getImageGL(bitmap_num); + LLImageRaw *image_raw = font_bitmap_cache->getImageRaw(bitmap_num); + image_gl->setSubImage(image_raw, 0, 0, image_gl->getWidth(), image_gl->getHeight()); + return TRUE; +} + +const LLFontDescriptor& LLFontGL::getFontDesc() const { - const LLWString& label = ext_data->mLabel; - LLImageGL* ext_image = ext_data->mImage; + return mFontDescriptor; +} - F32 ext_width = (F32)ext_image->getWidth(); - if( !label.empty() ) +// static +void LLFontGL::initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, const std::vector<std::string>& xui_paths, bool create_gl_textures) +{ + sVertDPI = (F32)llfloor(screen_dpi * y_scale); + sHorizDPI = (F32)llfloor(screen_dpi * x_scale); + sScaleX = x_scale; + sScaleY = y_scale; + sAppDir = app_dir; + + // Font registry init + if (!sFontRegistry) { - ext_width += (EXT_X_BEARING + getFontExtChar()->getWidthF32(label.c_str())) * sScaleX; + sFontRegistry = new LLFontRegistry(xui_paths, create_gl_textures); + sFontRegistry->parseFontInfo("fonts.xml"); + } + else + { + sFontRegistry->reset(); } +} - return (EXT_X_BEARING * sScaleX) + ext_width; +// Force standard fonts to get generated up front. +// This is primarily for error detection purposes. +// Don't do this during initClass because it can be slow and we want to get +// the viewer window on screen first. JC +// static +bool LLFontGL::loadDefaultFonts() +{ + bool succ = true; + succ &= (NULL != getFontSansSerifSmall()); + succ &= (NULL != getFontSansSerif()); + succ &= (NULL != getFontSansSerifBig()); + succ &= (NULL != getFontSansSerifHuge()); + succ &= (NULL != getFontSansSerifBold()); + succ &= (NULL != getFontMonospace()); + succ &= (NULL != getFontExtChar()); + return succ; } +// static +void LLFontGL::destroyDefaultFonts() +{ + // Remove the actual fonts. + delete sFontRegistry; + sFontRegistry = NULL; +} -void LLFontGL::clearEmbeddedChars() +//static +void LLFontGL::destroyAllGL() { - for_each(mEmbeddedChars.begin(), mEmbeddedChars.end(), DeletePairedPointer()); - mEmbeddedChars.clear(); + if (sFontRegistry) + { + sFontRegistry->destroyGL(); + } } -void LLFontGL::addEmbeddedChar( llwchar wc, LLTexture* image, const std::string& label ) const +// static +U8 LLFontGL::getStyleFromString(const std::string &style) { - LLWString wlabel = utf8str_to_wstring(label); - addEmbeddedChar(wc, image, wlabel); + S32 ret = 0; + if (style.find("NORMAL") != style.npos) + { + ret |= NORMAL; + } + if (style.find("BOLD") != style.npos) + { + ret |= BOLD; + } + if (style.find("ITALIC") != style.npos) + { + ret |= ITALIC; + } + if (style.find("UNDERLINE") != style.npos) + { + ret |= UNDERLINE; + } + return ret; } -void LLFontGL::addEmbeddedChar( llwchar wc, LLTexture* image, const LLWString& wlabel ) const +// static +std::string LLFontGL::nameFromFont(const LLFontGL* fontp) { - embedded_data_t* ext_data = new embedded_data_t(image->getGLTexture(), wlabel); - mEmbeddedChars[wc] = ext_data; + return fontp->mFontDescriptor.getName(); } -void LLFontGL::removeEmbeddedChar( llwchar wc ) const +// static +std::string LLFontGL::nameFromHAlign(LLFontGL::HAlign align) { - embedded_map_t::iterator iter = mEmbeddedChars.find(wc); + if (align == LEFT) return std::string("left"); + else if (align == RIGHT) return std::string("right"); + else if (align == HCENTER) return std::string("center"); + else return std::string(); +} + +// static +LLFontGL::HAlign LLFontGL::hAlignFromName(const std::string& name) +{ + LLFontGL::HAlign gl_hfont_align = LLFontGL::LEFT; + if (name == "left") + { + gl_hfont_align = LLFontGL::LEFT; + } + else if (name == "right") + { + gl_hfont_align = LLFontGL::RIGHT; + } + else if (name == "center") + { + gl_hfont_align = LLFontGL::HCENTER; + } + //else leave left + return gl_hfont_align; +} + +// static +std::string LLFontGL::nameFromVAlign(LLFontGL::VAlign align) +{ + if (align == TOP) return std::string("top"); + else if (align == VCENTER) return std::string("center"); + else if (align == BASELINE) return std::string("baseline"); + else if (align == BOTTOM) return std::string("bottom"); + else return std::string(); +} + +// static +LLFontGL::VAlign LLFontGL::vAlignFromName(const std::string& name) +{ + LLFontGL::VAlign gl_vfont_align = LLFontGL::BASELINE; + if (name == "top") + { + gl_vfont_align = LLFontGL::TOP; + } + else if (name == "center") + { + gl_vfont_align = LLFontGL::VCENTER; + } + else if (name == "baseline") + { + gl_vfont_align = LLFontGL::BASELINE; + } + else if (name == "bottom") + { + gl_vfont_align = LLFontGL::BOTTOM; + } + //else leave baseline + return gl_vfont_align; +} + +//static +LLFontGL* LLFontGL::getFontMonospace() +{ + return getFont(LLFontDescriptor("Monospace","Monospace",0)); +} + +//static +LLFontGL* LLFontGL::getFontSansSerifSmall() +{ + return getFont(LLFontDescriptor("SansSerif","Small",0)); +} + +//static +LLFontGL* LLFontGL::getFontSansSerif() +{ + return getFont(LLFontDescriptor("SansSerif","Medium",0)); +} + +//static +LLFontGL* LLFontGL::getFontSansSerifBig() +{ + return getFont(LLFontDescriptor("SansSerif","Large",0)); +} + +//static +LLFontGL* LLFontGL::getFontSansSerifHuge() +{ + return getFont(LLFontDescriptor("SansSerif","Huge",0)); +} + +//static +LLFontGL* LLFontGL::getFontSansSerifBold() +{ + return getFont(LLFontDescriptor("SansSerif","Medium",BOLD)); +} + +//static +LLFontGL* LLFontGL::getFontExtChar() +{ + return getFontSansSerif(); +} + +//static +LLFontGL* LLFontGL::getFont(const LLFontDescriptor& desc) +{ + return sFontRegistry->getFont(desc); +} + +//static +LLFontGL* LLFontGL::getFontByName(const std::string& name) +{ + // check for most common fonts first + if (name == "SANSSERIF") + { + return getFontSansSerif(); + } + else if (name == "SANSSERIF_SMALL") + { + return getFontSansSerifSmall(); + } + else if (name == "SANSSERIF_BIG") + { + return getFontSansSerifBig(); + } + else if (name == "SMALL" || name == "OCRA") + { + // *BUG: Should this be "MONOSPACE"? Do we use "OCRA" anymore? + // Does "SMALL" mean "SERIF"? + return getFontMonospace(); + } + else + { + return NULL; + } +} + +// static +std::string LLFontGL::getFontPathSystem() +{ + std::string system_path; + + // Try to figure out where the system's font files are stored. + char *system_root = NULL; +#if LL_WINDOWS + system_root = getenv("SystemRoot"); /* Flawfinder: ignore */ + if (!system_root) + { + llwarns << "SystemRoot not found, attempting to load fonts from default path." << llendl; + } +#endif + + if (system_root) + { + system_path = llformat("%s/fonts/", system_root); + } + else + { +#if LL_WINDOWS + // HACK for windows 98/Me + system_path = "/WINDOWS/FONTS/"; +#elif LL_DARWIN + // HACK for Mac OS X + system_path = "/System/Library/Fonts/"; +#endif + } + return system_path; +} + + +// static +std::string LLFontGL::getFontPathLocal() +{ + std::string local_path; + + // Backup files if we can't load from system fonts directory. + // We could store this in an end-user writable directory to allow + // end users to switch fonts. + if (LLFontGL::sAppDir.length()) + { + // use specified application dir to look for fonts + local_path = LLFontGL::sAppDir + "/fonts/"; + } + else + { + // assume working directory is executable directory + local_path = "./fonts/"; + } + return local_path; +} + +LLFontGL::LLFontGL(const LLFontGL &source) +{ + llerrs << "Not implemented!" << llendl; +} + +LLFontGL &LLFontGL::operator=(const LLFontGL &source) +{ + llerrs << "Not implemented" << llendl; + return *this; +} + +const LLFontGL::embedded_data_t* LLFontGL::getEmbeddedCharData(llwchar wch) const +{ + // Handle crappy embedded hack + embedded_map_t::const_iterator iter = mEmbeddedChars.find(wch); if (iter != mEmbeddedChars.end()) { - delete iter->second; - mEmbeddedChars.erase(wc); + return iter->second; + } + return NULL; +} + +F32 LLFontGL::getEmbeddedCharAdvance(const embedded_data_t* ext_data) const +{ + const LLWString& label = ext_data->mLabel; + LLImageGL* ext_image = ext_data->mImage; + + F32 ext_width = (F32)ext_image->getWidth(); + if( !label.empty() ) + { + ext_width += (EXT_X_BEARING + getFontExtChar()->getWidthF32(label.c_str())) * sScaleX; } + + return (EXT_X_BEARING * sScaleX) + ext_width; +} + +void LLFontGL::clearEmbeddedChars() +{ + for_each(mEmbeddedChars.begin(), mEmbeddedChars.end(), DeletePairedPointer()); + mEmbeddedChars.clear(); } @@ -1160,7 +1208,7 @@ void LLFontGL::renderQuad(const LLRectf& screen_rect, const LLRectf& uv_rect, F3 void LLFontGL::drawGlyph(const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4& color, U8 style, ShadowType shadow, F32 drop_shadow_strength) const { F32 slant_offset; - slant_offset = ((style & ITALIC) ? ( -mAscender * 0.2f) : 0.f); + slant_offset = ((style & ITALIC) ? ( -mFontFreetype->getAscenderHeight() * 0.2f) : 0.f); gGL.begin(LLRender::QUADS); { @@ -1230,71 +1278,3 @@ void LLFontGL::drawGlyph(const LLRectf& screen_rect, const LLRectf& uv_rect, con } gGL.end(); } - -std::string LLFontGL::nameFromFont(const LLFontGL* fontp) -{ - return fontp->getFontDesc().getName(); -} - -// static -std::string LLFontGL::nameFromHAlign(LLFontGL::HAlign align) -{ - if (align == LEFT) return std::string("left"); - else if (align == RIGHT) return std::string("right"); - else if (align == HCENTER) return std::string("center"); - else return std::string(); -} - -// static -LLFontGL::HAlign LLFontGL::hAlignFromName(const std::string& name) -{ - LLFontGL::HAlign gl_hfont_align = LLFontGL::LEFT; - if (name == "left") - { - gl_hfont_align = LLFontGL::LEFT; - } - else if (name == "right") - { - gl_hfont_align = LLFontGL::RIGHT; - } - else if (name == "center") - { - gl_hfont_align = LLFontGL::HCENTER; - } - //else leave left - return gl_hfont_align; -} - -// static -std::string LLFontGL::nameFromVAlign(LLFontGL::VAlign align) -{ - if (align == TOP) return std::string("top"); - else if (align == VCENTER) return std::string("center"); - else if (align == BASELINE) return std::string("baseline"); - else if (align == BOTTOM) return std::string("bottom"); - else return std::string(); -} - -// static -LLFontGL::VAlign LLFontGL::vAlignFromName(const std::string& name) -{ - LLFontGL::VAlign gl_vfont_align = LLFontGL::BASELINE; - if (name == "top") - { - gl_vfont_align = LLFontGL::TOP; - } - else if (name == "center") - { - gl_vfont_align = LLFontGL::VCENTER; - } - else if (name == "baseline") - { - gl_vfont_align = LLFontGL::BASELINE; - } - else if (name == "bottom") - { - gl_vfont_align = LLFontGL::BOTTOM; - } - //else leave baseline - return gl_vfont_align; -} diff --git a/indra/llrender/llfontgl.h b/indra/llrender/llfontgl.h index 2298db0ef3..42ed7a381f 100644 --- a/indra/llrender/llfontgl.h +++ b/indra/llrender/llfontgl.h @@ -35,21 +35,21 @@ #define LL_LLFONTGL_H #include "llcoord.h" -#include "llfont.h" #include "llfontregistry.h" +#include "llimagegl.h" #include "llpointer.h" #include "llrect.h" #include "v2math.h" class LLColor4; -class LLImageGL; // Key used to request a font. class LLFontDescriptor; +class LLFontFreetype; // Structure used to store previously requested fonts. class LLFontRegistry; -class LLFontGL : public LLFont +class LLFontGL { public: enum HAlign @@ -85,130 +85,72 @@ public: DROP_SHADOW, DROP_SHADOW_SOFT }; - - // Takes a string with potentially several flags, i.e. "NORMAL|BOLD|ITALIC" - static U8 getStyleFromString(const std::string &style); LLFontGL(); - LLFontGL(const LLFontGL &source); ~LLFontGL(); - void init(); // Internal init, or reinitialization - void reset(); // Reset a font after GL cleanup. ONLY works on an already loaded font. - LLFontGL &operator=(const LLFontGL &source); - - static void initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, - const std::string& app_dir, - const std::vector<std::string>& xui_paths, - bool create_gl_textures = true); + void reset(); // Reset a font after GL cleanup. ONLY works on an already loaded font. - // Load sans-serif, sans-serif-small, etc. - // Slow, requires multiple seconds to load fonts. - static bool loadDefaultFonts(); - static void destroyDefaultFonts(); - static void destroyAllGL(); void destroyGL(); - /* virtual*/ BOOL loadFace(const std::string& filename, - const F32 point_size, const F32 vert_dpi, const F32 horz_dpi, - const S32 components, BOOL is_fallback); + BOOL loadFace(const std::string& filename, F32 point_size, const F32 vert_dpi, const F32 horz_dpi, const S32 components, BOOL is_fallback); + S32 render(const LLWString &text, S32 begin_offset, F32 x, F32 y, const LLColor4 &color, HAlign halign = LEFT, VAlign valign = BASELINE, U8 style = NORMAL, + ShadowType shadow = NO_SHADOW, S32 max_chars = S32_MAX, S32 max_pixels = S32_MAX, F32* right_x=NULL, BOOL use_embedded = FALSE, BOOL use_ellipses = FALSE) const; + S32 render(const LLWString &text, S32 begin_offset, F32 x, F32 y, const LLColor4 &color) const; - S32 renderUTF8(const std::string &text, const S32 begin_offset, - S32 x, S32 y, - const LLColor4 &color) const - { - return renderUTF8(text, begin_offset, (F32)x, (F32)y, color, - LEFT, BASELINE, NORMAL, NO_SHADOW, - S32_MAX, S32_MAX, NULL, FALSE); - } - - S32 renderUTF8(const std::string &text, const S32 begin_offset, - S32 x, S32 y, - const LLColor4 &color, - HAlign halign, VAlign valign, U8 style = NORMAL, ShadowType shadow = NO_SHADOW) const - { - return renderUTF8(text, begin_offset, (F32)x, (F32)y, color, - halign, valign, style, shadow, - S32_MAX, S32_MAX, NULL, FALSE); - } - // renderUTF8 does a conversion, so is slower! - S32 renderUTF8(const std::string &text, - S32 begin_offset, - F32 x, F32 y, - const LLColor4 &color, - HAlign halign, - VAlign valign, - U8 style, - ShadowType shadow, - S32 max_chars, - S32 max_pixels, - F32* right_x, - BOOL use_ellipses) const; - - S32 render(const LLWString &text, const S32 begin_offset, - F32 x, F32 y, - const LLColor4 &color) const - { - return render(text, begin_offset, x, y, color, - LEFT, BASELINE, NORMAL, NO_SHADOW, - S32_MAX, S32_MAX, NULL, FALSE, FALSE); - } - + S32 renderUTF8(const std::string &text, S32 begin_offset, F32 x, F32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style, ShadowType shadow, S32 max_chars, S32 max_pixels, F32* right_x, BOOL use_ellipses) const; + S32 renderUTF8(const std::string &text, S32 begin_offset, S32 x, S32 y, const LLColor4 &color) const; + S32 renderUTF8(const std::string &text, S32 begin_offset, S32 x, S32 y, const LLColor4 &color, HAlign halign, VAlign valign, U8 style = NORMAL, ShadowType shadow = NO_SHADOW) const; - S32 render(const LLWString &text, - S32 begin_offset, - F32 x, F32 y, - const LLColor4 &color, - HAlign halign = LEFT, - VAlign valign = BASELINE, - U8 style = NORMAL, - ShadowType shadow = NO_SHADOW, - S32 max_chars = S32_MAX, - S32 max_pixels = S32_MAX, - F32* right_x=NULL, - BOOL use_embedded = FALSE, - BOOL use_ellipses = FALSE) const; - - // font metrics - override for LLFont that returns units of virtual pixels - /*virtual*/ F32 getLineHeight() const { return (F32)llround(mLineHeight / sScaleY); } - /*virtual*/ F32 getAscenderHeight() const { return (F32)llround(mAscender / sScaleY); } - /*virtual*/ F32 getDescenderHeight() const { return (F32)llround(mDescender / sScaleY); } - - virtual S32 getWidth(const std::string& utf8text) const; - virtual S32 getWidth(const llwchar* wchars) const; - virtual S32 getWidth(const std::string& utf8text, const S32 offset, const S32 max_chars ) const; - virtual S32 getWidth(const llwchar* wchars, const S32 offset, const S32 max_chars, BOOL use_embedded = FALSE) const; + // font metrics - override for LLFontFreetype that returns units of virtual pixels + F32 getLineHeight() const; + F32 getAscenderHeight() const; + F32 getDescenderHeight() const; - virtual F32 getWidthF32(const std::string& utf8text) const; - virtual F32 getWidthF32(const llwchar* wchars) const; - virtual F32 getWidthF32(const std::string& text, const S32 offset, const S32 max_chars ) const; - virtual F32 getWidthF32(const llwchar* wchars, const S32 offset, const S32 max_chars, BOOL use_embedded = FALSE ) const; + S32 getWidth(const std::string& utf8text) const; + S32 getWidth(const llwchar* wchars) const; + S32 getWidth(const std::string& utf8text, S32 offset, S32 max_chars ) const; + S32 getWidth(const llwchar* wchars, S32 offset, S32 max_chars, BOOL use_embedded = FALSE) const; + + F32 getWidthF32(const std::string& utf8text) const; + F32 getWidthF32(const llwchar* wchars) const; + F32 getWidthF32(const std::string& text, S32 offset, S32 max_chars ) const; + F32 getWidthF32(const llwchar* wchars, S32 offset, S32 max_chars, BOOL use_embedded = FALSE ) const; // The following are called often, frequently with large buffers, so do not use a string interface // Returns the max number of complete characters from text (up to max_chars) that can be drawn in max_pixels - virtual S32 maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_chars = S32_MAX, - BOOL end_on_word_boundary = FALSE, const BOOL use_embedded = FALSE, - F32* drawn_pixels = NULL) const; + S32 maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_chars = S32_MAX, BOOL end_on_word_boundary = FALSE, BOOL use_embedded = FALSE, F32* drawn_pixels = NULL) const; // Returns the index of the first complete characters from text that can be drawn in max_pixels // given that the character at start_pos should be the last character (or as close to last as possible). - virtual S32 firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_len, S32 start_pos=S32_MAX, S32 max_chars = S32_MAX) const; + S32 firstDrawableChar(const llwchar* wchars, F32 max_pixels, S32 text_len, S32 start_pos=S32_MAX, S32 max_chars = S32_MAX) const; // Returns the index of the character closest to pixel position x (ignoring text to the right of max_pixels and max_chars) - virtual S32 charFromPixelOffset(const llwchar* wchars, const S32 char_offset, - F32 x, F32 max_pixels=F32_MAX, S32 max_chars = S32_MAX, - BOOL round = TRUE, BOOL use_embedded = FALSE) const; + S32 charFromPixelOffset(const llwchar* wchars, S32 char_offset, F32 x, F32 max_pixels=F32_MAX, S32 max_chars = S32_MAX, BOOL round = TRUE, BOOL use_embedded = FALSE) const; + + void addEmbeddedChar( llwchar wc, LLTexture* image, const std::string& label) const; + void addEmbeddedChar( llwchar wc, LLTexture* image, const LLWString& label) const; + void removeEmbeddedChar( llwchar wc ) const; + BOOL addChar(const llwchar wch) const; - LLImageGL *getImageGL() const; + const LLFontDescriptor& getFontDesc() const; - void addEmbeddedChar( llwchar wc, LLTexture* image, const std::string& label) const; - void addEmbeddedChar( llwchar wc, LLTexture* image, const LLWString& label) const; - void removeEmbeddedChar( llwchar wc ) const; + + static void initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, const std::vector<std::string>& xui_paths, bool create_gl_textures = true); + + // Load sans-serif, sans-serif-small, etc. + // Slow, requires multiple seconds to load fonts. + static bool loadDefaultFonts(); + static void destroyDefaultFonts(); + static void destroyAllGL(); + + // Takes a string with potentially several flags, i.e. "NORMAL|BOLD|ITALIC" + static U8 getStyleFromString(const std::string &style); static std::string nameFromFont(const LLFontGL* fontp); @@ -218,28 +160,7 @@ public: static std::string nameFromVAlign(LLFontGL::VAlign align); static LLFontGL::VAlign vAlignFromName(const std::string& name); - static void setFontDisplay(BOOL flag) { sDisplayFont = flag ; } - -protected: - struct embedded_data_t - { - embedded_data_t(LLImageGL* image, const LLWString& label) : mImage(image), mLabel(label) {} - LLPointer<LLImageGL> mImage; - LLWString mLabel; - }; - const embedded_data_t* getEmbeddedCharData(const llwchar wch) const; - F32 getEmbeddedCharAdvance(const embedded_data_t* ext_data) const; - void clearEmbeddedChars(); - void renderQuad(const LLRectf& screen_rect, const LLRectf& uv_rect, F32 slant_amt) const; - void drawGlyph(const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4& color, U8 style, ShadowType shadow, F32 drop_shadow_fade) const; - -public: - static F32 sVertDPI; - static F32 sHorizDPI; - static F32 sScaleX; - static F32 sScaleY; - static BOOL sDisplayFont ; - static std::string sAppDir; // For loading fonts + static void setFontDisplay(BOOL flag) { sDisplayFont = flag; } static LLFontGL* getFontMonospace(); static LLFontGL* getFontSansSerifSmall(); @@ -252,32 +173,50 @@ public: // Use with legacy names like "SANSSERIF_SMALL" or "OCRA" static LLFontGL* getFontByName(const std::string& name); + static std::string getFontPathLocal(); + static std::string getFontPathSystem(); + + static LLCoordFont sCurOrigin; + static std::vector<LLCoordFont> sOriginStack; + static LLColor4 sShadowColor; + static F32 sVertDPI; + static F32 sHorizDPI; + static F32 sScaleX; + static F32 sScaleY; + static BOOL sDisplayFont ; + static std::string sAppDir; // For loading fonts + +private: + friend class LLFontRegistry; friend class LLTextBillboard; friend class LLHUDText; -protected: - /*virtual*/ BOOL addChar(const llwchar wch) const; + LLFontGL(const LLFontGL &source); + LLFontGL &operator=(const LLFontGL &source); -protected: - typedef std::map<llwchar,embedded_data_t*> embedded_map_t; - mutable embedded_map_t mEmbeddedChars; - LLFontDescriptor mFontDescriptor; + LLPointer<LLFontFreetype> mFontFreetype; - // Registry holds all instantiated fonts. - static LLFontRegistry* sFontRegistry; + struct embedded_data_t + { + embedded_data_t(LLImageGL* image, const LLWString& label) : mImage(image), mLabel(label) {} + LLPointer<LLImageGL> mImage; + LLWString mLabel; + }; -public: - static std::string getFontPathLocal(); - static std::string getFontPathSystem(); + typedef std::map<llwchar,embedded_data_t*> embedded_map_t; + mutable embedded_map_t mEmbeddedChars; - static LLCoordFont sCurOrigin; - static std::vector<LLCoordFont> sOriginStack; + const embedded_data_t* getEmbeddedCharData(llwchar wch) const; + F32 getEmbeddedCharAdvance(const embedded_data_t* ext_data) const; + void clearEmbeddedChars(); + void renderQuad(const LLRectf& screen_rect, const LLRectf& uv_rect, F32 slant_amt) const; + void drawGlyph(const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4& color, U8 style, ShadowType shadow, F32 drop_shadow_fade) const; - const LLFontDescriptor &getFontDesc() const { return mFontDescriptor; } - void setFontDesc(const LLFontDescriptor& font_desc) { mFontDescriptor = font_desc; } + // Registry holds all instantiated fonts. + static LLFontRegistry* sFontRegistry; }; #endif diff --git a/indra/llrender/llfontregistry.cpp b/indra/llrender/llfontregistry.cpp index 3b5c62a5ea..553e7b8f9d 100644 --- a/indra/llrender/llfontregistry.cpp +++ b/indra/llrender/llfontregistry.cpp @@ -33,8 +33,9 @@ #include "linden_common.h" #include "llgl.h" -#include "llfontregistry.h" +#include "llfontfreetype.h" #include "llfontgl.h" +#include "llfontregistry.h" #include <boost/tokenizer.hpp> #include "llcontrol.h" #include "lldir.h" @@ -382,7 +383,14 @@ LLFontGL *LLFontRegistry::createFont(const LLFontDescriptor& desc) if (it != mFontMap.end()) { llinfos << "-- matching font exists: " << nearest_exact_desc.getName() << " size " << nearest_exact_desc.getSize() << " style " << ((S32) nearest_exact_desc.getStyle()) << llendl; - return it->second; + + // copying underlying Freetype font, and storing in LLFontGL with requested font descriptor + LLFontGL *font = new LLFontGL; + font->mFontDescriptor = desc; + font->mFontFreetype = it->second->mFontFreetype; + mFontMap[desc] = font; + + return font; } // Build list of font names to look for. @@ -410,10 +418,11 @@ LLFontGL *LLFontRegistry::createFont(const LLFontDescriptor& desc) llwarns << "createFont failed, no file names specified" << llendl; return NULL; } - LLFontList *fontlistp = new LLFontList; + + LLFontFreetype::font_vector_t fontlist; LLFontGL *result = NULL; - // Snarf all fonts we can into fontlistp. First will get pulled + // Snarf all fonts we can into fontlist. First will get pulled // off the list and become the "head" font, set to non-fallback. // Rest will consitute the fallback list. BOOL is_first_found = TRUE; @@ -455,23 +464,28 @@ LLFontGL *LLFontRegistry::createFont(const LLFontDescriptor& desc) is_first_found = false; } else - fontlistp->addAtEnd(fontp); + { + fontlist.push_back(fontp->mFontFreetype); + } } } - if (result && !fontlistp->empty()) + + if (result && !fontlist.empty()) { - result->setFallbackFont(fontlistp); + result->mFontFreetype->setFallbackFonts(fontlist); } - norm_desc.setStyle(match_desc->getStyle()); if (result) - result->setFontDesc(norm_desc); - - if (!result) + { + result->mFontFreetype->setStyle(match_desc->getStyle()); + result->mFontDescriptor = desc; + } + else { llwarns << "createFont failed in some way" << llendl; } - mFontMap[norm_desc] = result; + + mFontMap[desc] = result; return result; } @@ -511,21 +525,19 @@ void LLFontRegistry::destroyGL() } } -LLFontGL *LLFontRegistry::getFont(const LLFontDescriptor& orig_desc) +LLFontGL *LLFontRegistry::getFont(const LLFontDescriptor& desc) { - LLFontDescriptor norm_desc = orig_desc.normalize(); - - font_reg_map_t::iterator it = mFontMap.find(norm_desc); + font_reg_map_t::iterator it = mFontMap.find(desc); if (it != mFontMap.end()) return it->second; else { - LLFontGL *fontp = createFont(orig_desc); + LLFontGL *fontp = createFont(desc); if (!fontp) { - llwarns << "getFont failed, name " << orig_desc.getName() - <<" style=[" << ((S32) orig_desc.getStyle()) << "]" - << " size=[" << orig_desc.getSize() << "]" << llendl; + llwarns << "getFont failed, name " << desc.getName() + <<" style=[" << ((S32) desc.getStyle()) << "]" + << " size=[" << desc.getSize() << "]" << llendl; } return fontp; } @@ -653,3 +665,8 @@ void LLFontRegistry::dump() } } } + +const string_vec_t& LLFontRegistry::getUltimateFallbackList() const +{ + return mUltimateFallbackList; +} diff --git a/indra/llrender/llfontregistry.h b/indra/llrender/llfontregistry.h index 198ca0b920..4da4ca48bb 100644 --- a/indra/llrender/llfontregistry.h +++ b/indra/llrender/llfontregistry.h @@ -98,7 +98,7 @@ public: void dump(); - const string_vec_t& getUltimateFallbackList() const { return mUltimateFallbackList; } + const string_vec_t& getUltimateFallbackList() const; private: LLFontGL *createFont(const LLFontDescriptor& desc); |