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| author | Matt Strapp <matt@mattstrapp.net> | 2021-09-20 18:15:14 -0500 |
|---|---|---|
| committer | Matt Strapp <matt@mattstrapp.net> | 2021-09-20 18:15:14 -0500 |
| commit | 342403a02f8063903d0f38327430721d4d0ae331 (patch) | |
| tree | 29d020a27bc16939c568dd4b29166566d1c0e658 /dev/MinGfx/src/text_shader.h | |
| parent | Fix parenthesis (diff) | |
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do ass1submission-p1.0
Diffstat (limited to 'dev/MinGfx/src/text_shader.h')
| -rw-r--r-- | dev/MinGfx/src/text_shader.h | 220 |
1 files changed, 110 insertions, 110 deletions
diff --git a/dev/MinGfx/src/text_shader.h b/dev/MinGfx/src/text_shader.h index a075cd2..8739bb3 100644 --- a/dev/MinGfx/src/text_shader.h +++ b/dev/MinGfx/src/text_shader.h @@ -1,110 +1,110 @@ -/* - This file is part of the MinGfx Project. - - Copyright (c) 2017,2018 Regents of the University of Minnesota. - All Rights Reserved. - - Original Author(s) of this File: - Dan Keefe, 2018, University of Minnesota - - Author(s) of Significant Updates/Modifications to the File: - ... - */ - -#ifndef SRC_TEXT_SHADER_H_ -#define SRC_TEXT_SHADER_H_ - -#include <string> -#include <map> - -#include "matrix4.h" -#include "mesh.h" -#include "shader_program.h" -#include "texture2d.h" - -// disable warnings for this 3rd party code -#pragma warning ( push, 0 ) -#include <stb_truetype.h> -#pragma warning ( pop ) - -namespace mingfx { - - - -/** - */ -class TextShader { -public: - TextShader(); - virtual ~TextShader(); - - /// Call this from within the InitOpenGL() function since it will initialize - /// not just the Font's internal data but also an OpenGL texture to be - /// stored on the graphics card. Internally, this uses the stb_truetype - /// library to load true type fonts (files with a .ttf extension). - bool Init(const std::string &font_file, int native_font_size); - - enum class HorizAlign { - HORIZ_ALIGN_LEFT, - HORIZ_ALIGN_CENTER, - HORIZ_ALIGN_RIGHT - }; - - enum class VertAlign { - VERT_ALIGN_TOP, - VERT_ALIGN_CENTER, - VERT_ALIGN_BASELINE, - VERT_ALIGN_BOTTOM - }; - - class TextFormat { - public: - // constructor sets defaults - TextFormat() : - size(0.1f), - color(1,1,1,1), - h_align(HorizAlign::HORIZ_ALIGN_CENTER), - v_align(VertAlign::VERT_ALIGN_BASELINE) {} - - float size; - Color color; - HorizAlign h_align; - VertAlign v_align; - }; - - - //void Draw2D(const Point2 &pos, - // const std::string &text, TextFormat format, bool cache=false); - - - void Draw3D(const Matrix4 &model, const Matrix4 &view, const Matrix4 &projection, - const std::string &text, TextFormat format, bool cache=false); - - - Vector2 TextExtents(const std::string &text, TextFormat format, bool cache=false); - - float native_font_size(); - -private: - Texture2D atlas_; - float native_font_size_; - - stbtt_packedchar chardata_[128]; - - struct MeshData { - Mesh mesh; - Point2 min; - Point2 max; - }; - - void SetTextMesh(const std::string &text, MeshData *md); - - std::map<std::string, MeshData> cache_; - MeshData tmp_md_; - - ShaderProgram shader_; -}; - -} // end namespace - -#endif +/*
+ This file is part of the MinGfx Project.
+
+ Copyright (c) 2017,2018 Regents of the University of Minnesota.
+ All Rights Reserved.
+
+ Original Author(s) of this File:
+ Dan Keefe, 2018, University of Minnesota
+
+ Author(s) of Significant Updates/Modifications to the File:
+ ...
+ */
+
+#ifndef SRC_TEXT_SHADER_H_
+#define SRC_TEXT_SHADER_H_
+
+#include <string>
+#include <map>
+
+#include "matrix4.h"
+#include "mesh.h"
+#include "shader_program.h"
+#include "texture2d.h"
+
+// disable warnings for this 3rd party code
+#pragma warning ( push, 0 )
+#include <stb_truetype.h>
+#pragma warning ( pop )
+
+namespace mingfx {
+
+
+
+/**
+ */
+class TextShader {
+public:
+ TextShader();
+ virtual ~TextShader();
+
+ /// Call this from within the InitOpenGL() function since it will initialize
+ /// not just the Font's internal data but also an OpenGL texture to be
+ /// stored on the graphics card. Internally, this uses the stb_truetype
+ /// library to load true type fonts (files with a .ttf extension).
+ bool Init(const std::string &font_file, int native_font_size);
+
+ enum class HorizAlign {
+ HORIZ_ALIGN_LEFT,
+ HORIZ_ALIGN_CENTER,
+ HORIZ_ALIGN_RIGHT
+ };
+
+ enum class VertAlign {
+ VERT_ALIGN_TOP,
+ VERT_ALIGN_CENTER,
+ VERT_ALIGN_BASELINE,
+ VERT_ALIGN_BOTTOM
+ };
+
+ class TextFormat {
+ public:
+ // constructor sets defaults
+ TextFormat() :
+ size(0.1f),
+ color(1,1,1,1),
+ h_align(HorizAlign::HORIZ_ALIGN_CENTER),
+ v_align(VertAlign::VERT_ALIGN_BASELINE) {}
+
+ float size;
+ Color color;
+ HorizAlign h_align;
+ VertAlign v_align;
+ };
+
+
+ //void Draw2D(const Point2 &pos,
+ // const std::string &text, TextFormat format, bool cache=false);
+
+
+ void Draw3D(const Matrix4 &model, const Matrix4 &view, const Matrix4 &projection,
+ const std::string &text, TextFormat format, bool cache=false);
+
+
+ Vector2 TextExtents(const std::string &text, TextFormat format, bool cache=false);
+
+ float native_font_size();
+
+private:
+ Texture2D atlas_;
+ float native_font_size_;
+
+ stbtt_packedchar chardata_[128];
+
+ struct MeshData {
+ Mesh mesh;
+ Point2 min;
+ Point2 max;
+ };
+
+ void SetTextMesh(const std::string &text, MeshData *md);
+
+ std::map<std::string, MeshData> cache_;
+ MeshData tmp_md_;
+
+ ShaderProgram shader_;
+};
+
+} // end namespace
+
+#endif
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