// **************************************************************************
// Filter out everything that isnt in region of interest
private void UpdateROI()
{
Vector2 center = roiSphere.center;
float radius = roiSphere.radius;
Rectangle newRect = new Rectangle((int)(center.X - radius), (int)(center.Y - radius), (int)(radius * 2), (int)(radius * 2));
CCContext.setupTexture(roiMaskTexName, newRect.Size, IntPtr.Zero);
CCContext.setupTexture(roiTexName, newRect.Size, IntPtr.Zero);
CCContext.setupTexture(thresholdTexName, newRect.Size, IntPtr.Zero);
// int channels = 4;
// segmentationPixelData = new byte[(int)(newRect.Size.Width*newRect.Size.Height*channels)];
segmentationPixelData = new uint[(int)(newRect.Size.Width * newRect.Size.Height)];
debugTexture.Size = newRect.Size;
roiRect = newRect;
CountLayerHelper.updateROIMask(roiRect, ccContext.ImageSize, frameBuffer, roiMaskTexName, maskTexName);
CountLayerHelper.updateROIImage(roiRect, frameBuffer, ccContext.ImageTexName, ccContext.ImageSize, roiTexName, roiMaskTexName);
}
private void CreateSaveImage(ICollection <Tag> tagArray)
{
if (SaveCountResult == null)
{
return;
}
Size size = ccContext.ImageSize;
uint outputTexName = 0;
// Generate texture
GL.GenTextures(1, out outputTexName);
CCContext.setupTexture(outputTexName, size, IntPtr.Zero);
// Setup viewport
int[] oldViewPort = new int[4];
GL.GetInteger(GetPName.Viewport, oldViewPort);
GL.Viewport(0, 0, size.Width, size.Height);
int fboOld = GLHelper.bindFrameBuffer(frameBuffer, outputTexName);
GL.Disable(EnableCap.Blend);
Matrix4 projectionMatrix = Matrix4.CreateOrthographicOffCenter(0, (float)size.Width, 0, (float)size.Height, -1.0f, 1.0f);
// Matrix4 projectionMatrix = ccContext.ProjectionMatrix;
Matrix4 modelViewMatrix = Matrix4.Identity;
// Draw image
{
Matrix4 mat = modelViewMatrix * projectionMatrix;
Rectangle imageRect = new Rectangle(0, 0, (int)size.Width, (int)size.Height);
GLHelper.DrawSprite(ccContext.ImageTexName, imageRect, mat);
}
// Draw ROI
Vector4 outlineColor = ColorHelper.ColorToVec(ColorHelper.ROIEdge);
Vector4 bgColor = ColorHelper.ColorToVec(ColorHelper.ROIBackground);
float outlineWidth = 1.0f;
RectangleF rect = new RectangleF(PointF.Empty, new SizeF(size));
CountLayerHelper.DrawROI(rect, roiSphere.center, roiSphere.radius, roiRect, roiMaskTexName, outlineColor, outlineWidth, bgColor, modelViewMatrix, projectionMatrix);
// Regions
CountLayerHelper.DrawRegions(regions, modelViewMatrix, projectionMatrix);
// Draw tags
{
float tagSize = 16;
CountLayerHelper.drawTags(tagArray, null, true, modelViewMatrix, projectionMatrix, tagSize);
}
// allocate array and read pixels into it.
int myDataLength = size.Width * size.Height * 4;
byte[] buffer = new byte[myDataLength];
GL.ReadPixels(0, 0, size.Width, size.Height, PixelFormat.Rgba, PixelType.UnsignedByte, buffer);
// Call save image event
SaveCountResult(buffer, size, tags.Count, regions.Count);
buffer = null;
GL.DeleteTextures(1, ref outputTexName);
// unbind framebuffer
GL.BindFramebuffer(FramebufferTarget.Framebuffer, fboOld);
GL.Viewport(oldViewPort[0], oldViewPort[1], oldViewPort[2], oldViewPort[3]);
}
