diff options
Diffstat (limited to 'indra/llrender/llfontgl.cpp')
| -rw-r--r-- | indra/llrender/llfontgl.cpp | 864 |
1 files changed, 422 insertions, 442 deletions
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; -} |