diff options
Diffstat (limited to 'indra/llrender/llfontgl.h')
-rwxr-xr-x[-rw-r--r--] | indra/llrender/llfontgl.h | 77 |
1 files changed, 47 insertions, 30 deletions
diff --git a/indra/llrender/llfontgl.h b/indra/llrender/llfontgl.h index ea8eee7690..0988e99deb 100644..100755 --- a/indra/llrender/llfontgl.h +++ b/indra/llrender/llfontgl.h @@ -3,31 +3,25 @@ * @author Doug Soo * @brief Wrapper around FreeType * - * $LicenseInfo:firstyear=2001&license=viewergpl$ - * - * Copyright (c) 2001-2009, Linden Research, Inc. - * + * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * 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 + * Copyright (C) 2010, Linden Research, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; + * version 2.1 of the License only. * - * 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 + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. * - * 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. + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * - * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO - * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, - * COMPLETENESS OR PERFORMANCE. + * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ @@ -95,8 +89,24 @@ public: 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_ellipses = FALSE) const; + S32 render(const LLWString &text, S32 begin_offset, + const LLRect& rect, + const LLColor4 &color, + HAlign halign = LEFT, VAlign valign = BASELINE, + U8 style = NORMAL, ShadowType shadow = NO_SHADOW, + S32 max_chars = S32_MAX, + F32* right_x=NULL, + BOOL use_ellipses = FALSE) 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_ellipses = FALSE) const; + S32 render(const LLWString &text, S32 begin_offset, F32 x, F32 y, const LLColor4 &color) const; // renderUTF8 does a conversion, so is slower! @@ -105,9 +115,9 @@ public: 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; // font metrics - override for LLFontFreetype that returns units of virtual pixels - F32 getLineHeight() const; F32 getAscenderHeight() const; F32 getDescenderHeight() const; + S32 getLineHeight() const; S32 getWidth(const std::string& utf8text) const; S32 getWidth(const llwchar* wchars) const; @@ -122,7 +132,13 @@ public: // 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 - S32 maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_chars = S32_MAX, BOOL end_on_word_boundary = FALSE) const; + typedef enum e_word_wrap_style + { + ONLY_WORD_BOUNDARIES, + WORD_BOUNDARY_IF_POSSIBLE, + ANYWHERE + } EWordWrapStyle ; + S32 maxDrawableChars(const llwchar* wchars, F32 max_pixels, S32 max_chars = S32_MAX, EWordWrapStyle end_on_word_boundary = ANYWHERE) 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). @@ -134,7 +150,7 @@ public: const LLFontDescriptor& getFontDesc() 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); + static void initClass(F32 screen_dpi, F32 x_scale, F32 y_scale, const std::string& app_dir, bool create_gl_textures = true); // Load sans-serif, sans-serif-small, etc. // Slow, requires multiple seconds to load fonts. @@ -172,8 +188,9 @@ public: static std::string getFontPathLocal(); static std::string getFontPathSystem(); - static LLCoordFont sCurOrigin; - static std::vector<LLCoordFont> sOriginStack; + static LLCoordGL sCurOrigin; + static F32 sCurDepth; + static std::vector<std::pair<LLCoordGL, F32> > sOriginStack; static LLColor4 sShadowColor; @@ -195,8 +212,8 @@ private: LLFontDescriptor mFontDescriptor; LLPointer<LLFontFreetype> mFontFreetype; - 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; + void renderQuad(LLVector3* vertex_out, LLVector2* uv_out, LLColor4U* colors_out, const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4U& color, F32 slant_amt) const; + void drawGlyph(S32& glyph_count, LLVector3* vertex_out, LLVector2* uv_out, LLColor4U* colors_out, const LLRectf& screen_rect, const LLRectf& uv_rect, const LLColor4U& color, U8 style, ShadowType shadow, F32 drop_shadow_fade) const; // Registry holds all instantiated fonts. static LLFontRegistry* sFontRegistry; |