/** * @file llfontgl.h * @author Andrii Kleshchev * @brief Buffer storage for font rendering. * * $LicenseInfo:firstyear=2001&license=viewerlgpl$ * Second Life Viewer Source Code * Copyright (C) 2010, Linden Research, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Lesser General Public * License as published by the Free Software Foundation; * version 2.1 of the License only. * * This library is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * Lesser General Public License for more details. * * You should have received a copy of the GNU Lesser General Public * License along with this library; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA * * Linden Research, Inc., 945 Battery Street, San Francisco, CA 94111 USA * $/LicenseInfo$ */ #ifndef LL_LLFONTVERTEXBUFFER_H #define LL_LLFONTVERTEXBUFFER_H #include "llfontgl.h" class LLVertexBufferData; class LLFontVertexBuffer { public: LLFontVertexBuffer(); ~LLFontVertexBuffer(); void reset(); S32 render(const LLFontGL* fontp, const LLWString& text, S32 begin_offset, LLRect rect, const LLColor4& color, LLFontGL::HAlign halign = LLFontGL::LEFT, LLFontGL::VAlign valign = LLFontGL::BASELINE, U8 style = LLFontGL::NORMAL, LLFontGL::ShadowType shadow = LLFontGL::NO_SHADOW, S32 max_chars = S32_MAX, S32 max_pixels = S32_MAX, F32* right_x = NULL, bool use_ellipses = false, bool use_color = true); S32 render(const LLFontGL* fontp, const LLWString& text, S32 begin_offset, LLRectf rect, const LLColor4& color, LLFontGL::HAlign halign = LLFontGL::LEFT, LLFontGL::VAlign valign = LLFontGL::BASELINE, U8 style = LLFontGL::NORMAL, LLFontGL::ShadowType shadow = LLFontGL::NO_SHADOW, S32 max_chars = S32_MAX, F32* right_x = NULL, bool use_ellipses = false, bool use_color = true); S32 render(const LLFontGL* fontp, const LLWString& text, S32 begin_offset, F32 x, F32 y, const LLColor4& color, LLFontGL::HAlign halign = LLFontGL::LEFT, LLFontGL::VAlign valign = LLFontGL::BASELINE, U8 style = LLFontGL::NORMAL, LLFontGL::ShadowType shadow = LLFontGL::NO_SHADOW, S32 max_chars = S32_MAX, S32 max_pixels = S32_MAX, F32* right_x = NULL, bool use_ellipses = false, bool use_color = true); private: void genBuffers(const LLFontGL* fontp, const LLWString& text, S32 begin_offset, F32 x, F32 y, const LLColor4& color, LLFontGL::HAlign halign, LLFontGL::VAlign valign, U8 style, LLFontGL::ShadowType shadow, S32 max_chars, S32 max_pixels, F32* right_x, bool use_ellipses, bool use_color); void renderBuffers(); std::list<LLVertexBufferData> mBufferList; S32 mChars = 0; const LLFontGL *mLastFont = nullptr; S32 mLastOffset = 0; S32 mLastMaxChars = 0; S32 mLastMaxPixels = 0; F32 mLastX = 0.f; F32 mLastY = 0.f; LLColor4 mLastColor; LLFontGL::HAlign mLastHalign = LLFontGL::LEFT; LLFontGL::VAlign mLastValign = LLFontGL::BASELINE; U8 mLastStyle = LLFontGL::NORMAL; LLFontGL::ShadowType mLastShadow = LLFontGL::NO_SHADOW; F32 mLastRightX = 0.f; // LLFontGL's statics F32 mLastScaleX = 1.f; F32 mLastScaleY = 1.f; LLCoordGL mLastOrigin; }; #endif