docs/html/text__shader_8h_source.html

 /*

-  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();

-

-     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

-mingfx::Color
Represents a 4-component (R,G,B,A) color, stored internally in a float array to be compatable with Op...
Definition: color.h:41

-mingfx::Matrix4
A 4x4 transformation matrix stored internally as an array of floats in column-major order so as to be...
Definition: matrix4.h:50

-mingfx::Mesh
A triangle mesh data structure that can be rendered with a ShaderProgram like DefaultShader.
Definition: mesh.h:127

-mingfx::Point2
A 2D Point with floating point coordinates, used for storing 2D texture coordinates,...
Definition: point2.h:28

-mingfx::ShaderProgram
A wrapper around GLSL shader programs.
Definition: shader_program.h:66

-mingfx::TextShader::TextFormat
Definition: text_shader.h:60

-mingfx::TextShader::TextFormat::TextFormat
TextFormat()
Definition: text_shader.h:63

-mingfx::TextShader::TextFormat::v_align
VertAlign v_align
Definition: text_shader.h:72

-mingfx::TextShader::TextFormat::h_align
HorizAlign h_align
Definition: text_shader.h:71

-mingfx::TextShader::TextFormat::size
float size
Definition: text_shader.h:69

-mingfx::TextShader::TextFormat::color
Color color
Definition: text_shader.h:70

-mingfx::TextShader
Definition: text_shader.h:36

-mingfx::TextShader::TextShader
TextShader()

-mingfx::TextShader::Draw3D
void Draw3D(const Matrix4 &model, const Matrix4 &view, const Matrix4 &projection, const std::string &text, TextFormat format, bool cache=false)

-mingfx::TextShader::~TextShader
virtual ~TextShader()

-mingfx::TextShader::native_font_size
float native_font_size()

-mingfx::TextShader::VertAlign
VertAlign
Definition: text_shader.h:53

-mingfx::TextShader::VertAlign::VERT_ALIGN_BASELINE
@ VERT_ALIGN_BASELINE

-mingfx::TextShader::VertAlign::VERT_ALIGN_BOTTOM
@ VERT_ALIGN_BOTTOM

-mingfx::TextShader::VertAlign::VERT_ALIGN_TOP
@ VERT_ALIGN_TOP

-mingfx::TextShader::VertAlign::VERT_ALIGN_CENTER
@ VERT_ALIGN_CENTER

-mingfx::TextShader::TextExtents
Vector2 TextExtents(const std::string &text, TextFormat format, bool cache=false)

-mingfx::TextShader::Init
bool Init(const std::string &font_file, int native_font_size)
Call this from within the InitOpenGL() function since it will initialize not just the Font's internal...

-mingfx::TextShader::HorizAlign
HorizAlign
Definition: text_shader.h:47

-mingfx::TextShader::HorizAlign::HORIZ_ALIGN_CENTER
@ HORIZ_ALIGN_CENTER

-mingfx::TextShader::HorizAlign::HORIZ_ALIGN_RIGHT
@ HORIZ_ALIGN_RIGHT

-mingfx::TextShader::HorizAlign::HORIZ_ALIGN_LEFT
@ HORIZ_ALIGN_LEFT

-mingfx::Texture2D
A wrapper around a 2D texture that supports loading images from files or setting texture color data d...
Definition: texture2d.h:42

-mingfx::Vector2
A 2D Vector with floating point coordinates, used for storing 2D translations, mouse movements,...
Definition: vector2.h:28

-matrix4.h

-mesh.h

-mingfx
Namespace for the MinGfx Toolkit.
Definition: aabb.h:21

-shader_program.h

-texture2d.h

-