private FreeImageBitmap simpleRender(int width, int height, int aaMode, bool transparentBG, Engine.Color bgColor, RenderTexture renderTexture)
{
renderTexture.getViewport(0).clear(FrameBufferType.FBT_COLOUR | FrameBufferType.FBT_DEPTH | FrameBufferType.FBT_STENCIL, bgColor);
renderTexture.update();
OgrePlugin.PixelFormat format = OgrePlugin.PixelFormat.PF_A8R8G8B8;
FreeImageAPI.PixelFormat bitmapFormat = FreeImageAPI.PixelFormat.Format32bppRgb;
if (transparentBG)
{
bitmapFormat = FreeImageAPI.PixelFormat.Format32bppArgb;
}
FreeImageBitmap bitmap = new FreeImageBitmap(width, height, bitmapFormat);
bitmap.copyFromRenderTarget(renderTexture, format);
//Resize if aa is active
if (aaMode > 1)
{
int smallWidth = width / aaMode;
int smallHeight = height / aaMode;
bitmap.Rescale(smallWidth, smallHeight, FREE_IMAGE_FILTER.FILTER_BILINEAR);
}
return(bitmap);
}
private IEnumerable <IdleStatus> gridRender(int width, int height, int backBufferWidth, int backBufferHeight, int aaMode, RenderTexture renderTexture, Camera camera, Camera backgroundCamera, bool transparentBG, Engine.Color bgColor, Action <FreeImageBitmap> renderingCompletedCallback)
{
float originalLeft, originalRight, originalTop, originalBottom;
camera.getFrustumExtents(out originalLeft, out originalRight, out originalTop, out originalBottom);
int imageCountWidth = width % backBufferWidth == 0 ? width / backBufferWidth : width / backBufferWidth + 1;
int imageCountHeight = height % backBufferHeight == 0 ? height / backBufferHeight : height / backBufferHeight + 1;
float gridStepHoriz = (originalRight * 2) / imageCountWidth;
float gridStepVert = (originalTop * 2) / imageCountHeight;
float bgOriginalLeft = 0, bgOriginalRight = 0, bgOriginalTop = 0, bgOriginalBottom = 0, bgGridStepHoriz = 0, bgGridStepVert = 0;
if (backgroundCamera != null)
{
backgroundCamera.getFrustumExtents(out bgOriginalLeft, out bgOriginalRight, out bgOriginalTop, out bgOriginalBottom);
bgGridStepHoriz = (bgOriginalRight * 2) / imageCountWidth;
bgGridStepVert = (bgOriginalTop * 2) / imageCountHeight;
}
int imageStepHoriz = backBufferWidth;
int imageStepVert = backBufferHeight;
int finalWidth = width / aaMode;
int finalHeight = height / aaMode;
int imageStepHorizSmall = finalWidth / imageCountWidth;
int imageStepVertSmall = finalHeight / imageCountHeight;
float left, right, top, bottom;
float bgLeft, bgRight, bgTop, bgBottom;
int totalSS = imageCountWidth * imageCountHeight;
String updateString = "Rendering piece {0} of " + totalSS;
OgrePlugin.PixelFormat format = OgrePlugin.PixelFormat.PF_A8R8G8B8;
FreeImageAPI.PixelFormat bitmapFormat = FreeImageAPI.PixelFormat.Format32bppRgb;
if (transparentBG)
{
bitmapFormat = FreeImageAPI.PixelFormat.Format32bppArgb;
}
Rectangle destRect = new Rectangle();
Rectangle srcRect = new Rectangle(0, 0, imageStepHoriz, imageStepVert);
FreeImageBitmap fullBitmap = new FreeImageBitmap(finalWidth, finalHeight, bitmapFormat);
using (FreeImageBitmap pieceBitmap = new FreeImageBitmap(imageStepHoriz, imageStepVert, bitmapFormat))
{
bool aaOn = aaMode > 1;
Rectangle scalarRectangle = new Rectangle();
if (aaOn)
{
scalarRectangle = new Rectangle(0, 0, imageStepHorizSmall, imageStepVertSmall);
}
for (int i = 0; i < totalSS; ++i)
{
int y = i / imageCountWidth;
int x = i - y * imageCountWidth;
left = originalLeft + gridStepHoriz * x;
right = left + gridStepHoriz;
top = originalTop - gridStepVert * y;
bottom = top - gridStepVert;
camera.setFrustumExtents(left, right, top, bottom);
if (backgroundCamera != null)
{
bgLeft = bgOriginalLeft + bgGridStepHoriz * x;
bgRight = bgLeft + bgGridStepHoriz;
bgTop = bgOriginalTop - bgGridStepVert * y;
bgBottom = bgTop - bgGridStepVert;
backgroundCamera.setFrustumExtents(bgLeft, bgRight, bgTop, bgBottom);
}
Root.getSingleton().clearEventTimes();
renderTexture.getViewport(0).clear(FrameBufferType.FBT_COLOUR | FrameBufferType.FBT_DEPTH | FrameBufferType.FBT_STENCIL, bgColor);
renderTexture.update();
pieceBitmap.copyFromRenderTarget(renderTexture, format);
destRect.X = x * imageStepHorizSmall;
destRect.Y = y * imageStepVertSmall;
destRect.Width = imageStepHorizSmall;
destRect.Height = imageStepVertSmall;
if (aaOn)
{
using (FreeImageBitmap scaled = new FreeImageBitmap(pieceBitmap))
{
scaled.Rescale(scalarRectangle.Width, scalarRectangle.Height, FREE_IMAGE_FILTER.FILTER_BILINEAR);
fullBitmap.Paste(scaled, destRect.X, destRect.Y, int.MaxValue);
}
}
else
{
fullBitmap.Paste(pieceBitmap, destRect.X, destRect.Y, int.MaxValue);
}
if (imageRendererProgress != null)
{
imageRendererProgress.update((uint)(((float)(i + 1) / totalSS) * 100.0f), String.Format(updateString, i + 1));
if (imageRendererProgress.Cancel)
{
break;
}
}
yield return(IdleStatus.Ok);
}
}
renderTexture.getViewport(0).setOverlaysEnabled(true);
renderingCompletedCallback(fullBitmap);
yield break;
}
/// <summary>
/// Write to the given graphics, if the widget texture is not large enough it will be
/// resized temporarily and then sized back. So be careful with large destrects.
/// </summary>
/// <param name="g"></param>
/// <param name="destRect"></param>
public void writeToGraphics(FreeImageBitmap g, Rectangle destRect)
{
bool changedSize = false;
IntSize2 originalSize = new IntSize2(imageBox.Width, imageBox.Height);
float cropRatio = (float)imageBox.Width / destRect.Width;
Rectangle srcRect = new Rectangle(0, 0, imageBox.Width, (int)(destRect.Height * cropRatio));
//Make sure the source image is large enough, if not resize.
if (originalSize.Width < srcRect.Width || originalSize.Height < srcRect.Height)
{
imageBox.setSize(srcRect.Width, srcRect.Height);
changedSize = true;
resized();
renderTexture.update();
}
else if (renderOneFrame)
{
renderTexture.update();
}
using (FreeImageBitmap fullBitmap = new FreeImageBitmap(currentTextureWidth, currentTextureHeight, BitmapFormat))
{
fullBitmap.copyFromRenderTarget(renderTexture, ogreTextureFormat);
//Remove alpha
//BitmapDataExtensions.SetAlpha(bmpData, 255);
if (srcRect.Height > fullBitmap.Height)
{
srcRect.Height = fullBitmap.Height;
}
using (FreeImageBitmap cropped = fullBitmap.Copy(srcRect))
{
if (cropped != null)
{
cropped.Rescale(destRect.Width, destRect.Height, FREE_IMAGE_FILTER.FILTER_BILINEAR);
if (ogreTextureFormat == OgrePlugin.PixelFormat.PF_X8R8G8B8)
{
//Use the api to set the alpha channel to 255, this makes sure we dont carry over the x8 channel from ogre
using (var alpha = cropped.GetChannel(FREE_IMAGE_COLOR_CHANNEL.FICC_ALPHA))
{
alpha.FillBackground(new RGBQUAD(new FreeImageAPI.Color()
{
R = 255,
G = 255,
B = 255,
A = 255
}));
cropped.SetChannel(alpha, FREE_IMAGE_COLOR_CHANNEL.FICC_ALPHA);
}
}
g.Paste(cropped, destRect.X, destRect.Y, int.MaxValue);
}
}
}
if (changedSize)
{
imageBox.setSize(originalSize.Width, originalSize.Height);
resized();
renderTexture.update();
}
}