OpenGL .NET Examples: Painters(id) - File Exchange

Code covered by the BSD License

Highlights from
OpenGL .NET Examples

OpenGL_Matlab_Figure(varargin) OPENGL_MATLAB_FIGURE M-file for OpenGL_Matlab_Figure.fig
dotnet_control_example(vararg... DOTNET_CONTROL_EXAMPLE M-file for dotnet_control_example.fig
CamLight_Cube_Painters(id) Function is written by D.Kroon University of Twente (April 2009)
I=texture2matlab(TextureID,Wi... This function texture2matlab reads a RGBA UINT8 texture in the OpenGL video memory
LoadTaoOpenGl.m Add OpenGL TAO Assemblies
OpenGL_Window(action,hObject,... OpenGL_Window, this function creates a window for rendering
Painters(id) Function is written by D.Kroon University of Twente (April 2009)
Painters(id) Allow to use GL functions without prefixing with Tao.Opengl.
Polygon_Mesh_Painters(id) Function is written by D.Kroon University of Twente (April 2009)
Shader_Code_Painters(id) Function is written by D.Kroon University of Twente (April 2009)
Shader_Texture3D_Painters(id) Function is written by D.Kroon University of Twente (April 2009)
Simple_Cube_Painters(id) Function is written by D.Kroon University of Twente (April 2009)
TextureID=loadOpenGLTexture(I... Load Matlab Image data 2D or 3D into a texture
[TextureID, FrameBufferID]=ma... makeRender2Texture, this function generates an extern framebuffer which
dotnet_control(HandlePanel,up... DOTNET_CONTROL, This function starts a .NET Form, which will float
program_id=loadOpenGLShader(f... loadOpenGLShader will load a vertex and fragment shader in to a GLSL
example_CamLight_Cube.m
example_DotNet_Control.m
example_Matlab_Figure.m
example_Polygon_Mesh.m
example_Shader_Code.m
example_Shader_Texture3D.m
example_Simple_Cube.m
example_Textured_Cube.m
View all files

from OpenGL .NET Examples by Dirk-Jan Kroon
Matlab OpenGL .NET code and examples for R2009a and above

Painters(id)

function Painters(id)
% Function is written by D.Kroon University of Twente (April 2009)

% From id get the render data
StoreName=['OpenGL' num2str(id)];
data=getappdata(0,[StoreName '_data']);

% Allow to use GL functions without prefixing with Tao.Opengl.
import Tao.OpenGl.*

if(data.FirstRender)
   I=imread('texture.png');
   data.TextureID=loadOpenGLTexture(I,Gl.GL_RGB,Gl.GL_RGB8,'linear');
   % Store the render data
   setappdata(0,[StoreName '_data'],data);
end

% Set background clear color to blue            
Gl.glClearColor(0.2, 0.2, 0.2, 0.0);  

% Clear the color and depth buffer
Gl.glClear(int32(bitor(uint32(Gl.GL_COLOR_BUFFER_BIT),uint32(Gl.GL_DEPTH_BUFFER_BIT)))); 

% Set depth testing enabled
Gl.glEnable(Gl.GL_DEPTH_TEST)  

cornersx=[-1  1 -1  1 -1  1 -1  1];
cornersy=[-1 -1  1  1 -1 -1  1  1];
cornersz=[-1 -1  -1 -1  1  1  1  1];

% Select our texture
Gl.glBindTexture(Gl.GL_TEXTURE_2D, data.TextureID);
   
% Enable texture rendering
Gl.glEnable(Gl.GL_TEXTURE_2D);

Gl.glBegin(Gl.GL_QUADS);
    % 1e Face
    Gl.glTexCoord2f(0,0);	
    Gl.glVertex3f(cornersx(1), cornersy(1), cornersz(1));
    Gl.glTexCoord2f(1,0);		
    Gl.glVertex3f(cornersx(2), cornersy(2), cornersz(2));				
    Gl.glTexCoord2f(1,1);
    Gl.glVertex3f(cornersx(4), cornersy(4), cornersz(4));				
    Gl.glTexCoord2f(0,1);				
    Gl.glVertex3f(cornersx(3), cornersy(3), cornersz(3));		
    % 2e Face
    Gl.glTexCoord2f(0,0);	
    Gl.glVertex3f(cornersx(7), cornersy(7), cornersz(7));				
    Gl.glTexCoord2f(1,0);		
    Gl.glVertex3f(cornersx(8), cornersy(8), cornersz(8));				
    Gl.glTexCoord2f(1,1);
    Gl.glVertex3f(cornersx(6), cornersy(6), cornersz(6));				
    Gl.glTexCoord2f(0,1);				
    Gl.glVertex3f(cornersx(5), cornersy(5), cornersz(5));

    % 3e Face
    Gl.glTexCoord2f(0,0);	
    Gl.glVertex3f(cornersx(1), cornersy(1), cornersz(1));				
    Gl.glTexCoord2f(1,0);		
    Gl.glVertex3f(cornersx(5), cornersy(5), cornersz(5));				
    Gl.glTexCoord2f(1,1);
    Gl.glVertex3f(cornersx(6), cornersy(6), cornersz(6));				
    Gl.glTexCoord2f(0,1);				
    Gl.glVertex3f(cornersx(2), cornersy(2), cornersz(2));
    
    % 4e Face
    Gl.glTexCoord2f(0,0);	
    Gl.glVertex3f(cornersx(3), cornersy(3), cornersz(3));				
    Gl.glTexCoord2f(1,0);		
    Gl.glVertex3f(cornersx(4), cornersy(4), cornersz(4));				
    Gl.glTexCoord2f(1,1);
    Gl.glVertex3f(cornersx(8), cornersy(8), cornersz(8));				
    Gl.glTexCoord2f(0,1);				
    Gl.glVertex3f(cornersx(7), cornersy(7), cornersz(7));
    
    % 5e Face
    Gl.glTexCoord2f(0,0);	
    Gl.glVertex3f(cornersx(4), cornersy(4), cornersz(4));				
    Gl.glTexCoord2f(1,0);		
    Gl.glVertex3f(cornersx(2), cornersy(2), cornersz(2));				
    Gl.glTexCoord2f(1,1);
    Gl.glVertex3f(cornersx(6), cornersy(6), cornersz(6));				
    Gl.glTexCoord2f(0,1);				
    Gl.glVertex3f(cornersx(8), cornersy(8), cornersz(8));

    % 6e Face
    Gl.glTexCoord2f(0,0);	
    Gl.glVertex3f(cornersx(3), cornersy(3), cornersz(3));				
    Gl.glTexCoord2f(1,0);		
    Gl.glVertex3f(cornersx(1), cornersy(1), cornersz(1));				
    Gl.glTexCoord2f(1,1);
    Gl.glVertex3f(cornersx(5), cornersy(5), cornersz(5));				
    Gl.glTexCoord2f(0,1);				
    Gl.glVertex3f(cornersx(7), cornersy(7), cornersz(7));

Gl.glEnd(); 

% Disable Texture rendering
Gl.glDisable(Gl.GL_TEXTURE_2D);

% Flush the pipeline, update the graphics buffer
Gl.glFlush();

Highlights from OpenGL .NET Examples

Highlights from
OpenGL .NET Examples