99 lines
2.7 KiB
C++
99 lines
2.7 KiB
C++
/* This file is part of the Pangolin Project.
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* http://github.com/stevenlovegrove/Pangolin
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*
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* Copyright (c) 2013 Steven Lovegrove
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#pragma once
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#include <pangolin/gl/gl.h>
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#include <pangolin/gl/glchar.h>
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#include <vector>
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#include <string>
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namespace pangolin {
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class PANGOLIN_EXPORT GlText
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{
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public:
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GlText();
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GlText(const GlText& txt);
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GlText(const GlTexture& font_tex);
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void AddSpace(GLfloat s);
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// Add specified charector to this string.
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void Add(unsigned char c, const GlChar& glc);
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// Clear text
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void Clear();
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// Render without transform in text-centric pixel coordinates
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void Draw() const;
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void DrawGlSl() const;
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#ifdef BUILD_PANGOLIN_GUI
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// Render at (x,y,z)' in object coordinates,
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// keeping text size and orientation constant
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void Draw(GLfloat x, GLfloat y, GLfloat z = 0.0f) const;
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// Render at (x,y,z)' in window coordinates.
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void DrawWindow(GLfloat x, GLfloat y, GLfloat z = 0.0f) const;
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#endif // BUILD_PANGOLIN_GUI
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// Return text that this object signifies.
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const std::string& Text() const {
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return str;
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}
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// Return width in pixels of this text.
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GLfloat Width() const {
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return width;
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}
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// Return height in pixels of this text.
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GLfloat Height() const {
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return ymax;
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}
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// Return height in pixels of this text, including under baseline
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GLfloat FullHeight() const {
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return ymax - ymin;
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}
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//protected:
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const GlTexture* tex;
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std::string str;
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GLfloat width;
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GLfloat ymin;
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GLfloat ymax;
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std::vector<XYUV> vs;
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};
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}
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