public OpenCVCamera(int cameraIndex, Size textureSize)
{
Texture = new GLTextureObject(textureSize);
this.Texture.TextureUnit = TextureUnit.Texture8;
_capture = new Capture(cameraIndex);
_capture.FlipType = FLIP.VERTICAL;
_capture.ImageGrabbed += new Capture.GrabEventHandler(_capture_ImageGrabbed);
}
public OpenCVCamera(int cameraIndex, Size textureSize)
{
Texture = new GLTextureObject(textureSize);
this.Texture.TextureUnit = TextureUnit.Texture8;
_capture = new Capture(cameraIndex);
_capture.FlipType = FLIP.VERTICAL;
_capture.ImageGrabbed += new Capture.GrabEventHandler(_capture_ImageGrabbed);
}
//private bool dumped;
private void RenderTexToScreen(GLTextureObject tex)
{
this.visibleFbo.Bind();
//Render texture to screen
GL.ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
tex.Bind();
this.shader.SetUniform("FrameTx", tex.TextureUnit);
this.shader.SetUniform("Mode", 0);
RenderToFramebuffer();
SwapBuffers();
}
public TextureManager(Rectangle viewport, IEnumerable <string> textureNames)
{
Fbo = new GLFrameBufferObject(viewport);
List <string> texNames = textureNames.ToList();
texNames.Add("scratch");
GLTextureObject curr;
for (int i = 0; i < texNames.Count; i++)
{
this.textureNames.Add(texNames[i], TextureUnit.Texture0 + i);
curr = new GLTextureObject(viewport.Size, PixelInternalFormat.Rgb32f);
curr.TextureUnit = TextureUnit.Texture0 + i;
this.textures.Add(texNames[i], new KeyValuePair <GLTextureObject, FramebufferAttachment>(curr, FramebufferAttachment.ColorAttachment0 + i));
Fbo.AttachTexture2D(FramebufferAttachment.ColorAttachment0 + i, curr.TextureId);
Fbo.DrawBuffer = FramebufferAttachment.ColorAttachment0 + i;
}
Fbo.Validate(true);
}
public FileCamera(IEnumerable<string> imageFiles, Size textureSize)
{
this.image_files = imageFiles.ToList();
this.Texture = new GLTextureObject(textureSize);
this.Texture.TextureUnit = TextureUnit.Texture8;
}
public FileCamera(IEnumerable <string> imageFiles, Size textureSize)
{
this.image_files = imageFiles.ToList();
this.Texture = new GLTextureObject(textureSize);
this.Texture.TextureUnit = TextureUnit.Texture8;
}
/// <summary>Load resources here.</summary>
/// <param name="e">Not used.</param>
protected override void OnLoad(EventArgs e)
{
base.OnLoad(e);
GL.ClearColor(0.0f, 0.0f, 0.0f, 0.0f);
GL.Enable(EnableCap.DepthTest);
GL.Enable(EnableCap.Texture2D);
GL.Enable(EnableCap.CullFace);
GL.CullFace(CullFaceMode.Back);
GL.ClampColor(ClampColorTarget.ClampFragmentColor, ClampColorMode.False);
GL.ClampColor(ClampColorTarget.ClampReadColor, ClampColorMode.False);
//new GLTextureObject(new Bitmap(GetAbsolutePath("calib_img/big100.png"))).GetBitmapOfTexture().Save("/tmp/big100.bmp");
this.shader = new GLShader(File.ReadAllText(GetAbsolutePath("shader.vert")), File.ReadAllText(GetAbsolutePath("calibrate.frag")));
texManager = new TextureManager(new Rectangle(0, 0, WIDTH, HEIGHT), new string[] { "Sum", "Intermed", "StdDev", "AiBi" });
visibleFbo = new GLVisibleFrameBufferObject(new Rectangle(0, 0, WIDTH, HEIGHT));
visibleFbo.Bind();
const int frameCount = 20;
// Create camera
camera = new FileCamera(
Directory.GetFiles(GetAbsolutePath("calib_img"), "big*.png").Take(frameCount),
new Size(WIDTH, HEIGHT)
);
this.inputTex = camera.Texture;
// Set up render loop actions
RenderActions = new List <Action>();
for (int j = 0; j < frameCount; j++)
{
// Load the background frame
Action <int> temp = (i) => {
Console.WriteLine("Loading BkgndFrame {0}", i);
//this.inputTex.Bind();
camera.UpdateTexture();
//camera.Texture.GetBitmapOfTexture().Save("/tmp/out.bmp");
};
this.RenderActions.Add(temp.Curry(j));
// Process it for sum (average)
temp = (i) => {
this.texManager.Bind();
Console.WriteLine("Sum");
this.shader.SetUniform("FrameTx", this.inputTex.TextureUnit);
this.shader.SetUniform("SumTx", texManager.GetTexture("Sum").TextureUnit);
this.shader.SetUniform("Mode", 1);
this.shader.SetUniform("NumFrames", (float)frameCount);
RenderToFramebuffer();
texManager.EndRender("Sum");
};
this.RenderActions.Add(temp.Curry(j));
// Process it for SumSq
temp = (i) => {
this.texManager.Bind();
Console.WriteLine("SumSq");
this.shader.SetUniform("FrameTx", this.inputTex.TextureUnit);
this.shader.SetUniform("IntermedTx", texManager.GetTexture("Intermed").TextureUnit);
this.shader.SetUniform("Mode", 2);
this.shader.SetUniform("NumFrames", (float)frameCount);
RenderToFramebuffer();
texManager.EndRender("Intermed");
};
this.RenderActions.Add(temp.Curry(j));
}
// stddev
{
// Take the StdDev now that we have the sum and sumsq
Action temp = () => {
this.texManager.Bind();
Console.WriteLine("StdDev");
//this.shader.SetUniform("FrameTx", this.inputTex.TextureUnit);
this.shader.SetUniform("SumTx", texManager.GetTexture("Sum").TextureUnit);
this.shader.SetUniform("IntermedTx", texManager.GetTexture("Intermed").TextureUnit);
this.shader.SetUniform("Mode", 3);
this.shader.SetUniform("NumFrames", (float)frameCount);
RenderToFramebuffer();
texManager.EndRender("StdDev");
};
this.RenderActions.Add(temp);
}
// Second pass for alfi sum
for (int j = 0; j < frameCount; j++)
{
// Load the background frame
Action <int> temp = (i) => {
Console.WriteLine("Loading BkgndFrame {0}", i);
//this.inputTex.Bind();
camera.UpdateTexture();
//camera.Texture.GetBitmapOfTexture().Save("/tmp/out.bmp");
};
this.RenderActions.Add(temp.Curry(j));
// Calculate AlfI (xi-1)**2/N and CDi sum
temp = (i) => {
this.texManager.Bind();
Console.WriteLine("AlfISum");
this.shader.SetUniform("FrameTx", this.inputTex.TextureUnit);
this.shader.SetUniform("SumTx", texManager.GetTexture("Sum").TextureUnit);
this.shader.SetUniform("StdDevTx", texManager.GetTexture("StdDev").TextureUnit);
this.shader.SetUniform("IntermedTx", texManager.GetTexture("Intermed").TextureUnit);
this.shader.SetUniform("Mode", 4);
this.shader.SetUniform("NumFrames", (float)frameCount);
RenderToFramebuffer();
texManager.EndRender("AiBi");
};
this.RenderActions.Add(temp.Curry(j));
}
// calculate ai and bi
{
// Take ai and bi now that we have the intermed sums
Action temp = () => {
this.texManager.Bind();
Console.WriteLine("AiBi");
//this.shader.SetUniform("FrameTx", this.inputTex.TextureUnit);
this.shader.SetUniform("IntermedTx", texManager.GetTexture("Intermed").TextureUnit);
this.shader.SetUniform("Mode", 5);
this.shader.SetUniform("NumFrames", (float)frameCount);
RenderToFramebuffer();
texManager.EndRender("AiBi");
};
this.RenderActions.Add(temp);
}
// calculate Ai,Bi,Ci,Di
/*{
* Action temp = () => {
* this.texManager.Bind();
* Console.WriteLine("AiBi");
*
* this.shader.SetUniform("FrameTx", this.inputTex.TextureUnit);
* this.shader.SetUniform("SumTx", texManager.GetTexture("Sum").TextureUnit);
* this.shader.SetUniform("StdDevTx", texManager.GetTexture("StdDev").TextureUnit);
* this.shader.SetUniform("Mode", 6);
* this.shader.SetUniform("NumFrames", (float)frameCount);
*
* RenderToFramebuffer();
*
* texManager.EndRender("AiBi");
* };
* this.RenderActions.Add(temp);
* }*/
}
