private void DisplayParameters(Bitmap img, ImageType type)
{
ImagePropertiesUi propertyObject = GetPropertyObject(type);
float rawSize;
using (var bh = new BitmapHelper(img))
{
rawSize = bh.SizeBytes / 1024.0f / 1024.0f;
}
propertyObject.Resolution = img.Size;
propertyObject.RawSize = rawSize;
propertyObject.PixelFormat = img.PixelFormat;
}
public void LoadImageLayers(List<Bitmap> imageList)
{
var layers = new List<Layer>();
foreach (Bitmap image in imageList)
{
using (var helper = new BitmapHelper(image))
{
BackgroundStatitics.CommitImageMemory(helper.SizeBytes);
}
Rectangle region = AppModel.Instance.Layout.NewLayerMetrics(image.Size);
layers.Add(new Picture(image, region, 0));
}
AppModel.Instance.LayerManager.AddRange(layers);
}
// ====================================================================
// Helpers to operate with .NET types
// ====================================================================
public static void ImageInterpolate(Bitmap srcImg, Bitmap tarImg, Bitmap dstImg, float step)
{
StaticCheckFormat(PixelFormat.Format24bppRgb, srcImg, tarImg, dstImg);
StaticCheckSameSize(srcImg, tarImg, dstImg);
// Less work for caller: let C++ handle threading
using (var ibSrc = new BitmapHelper(srcImg))
using (var ibTar = new BitmapHelper(tarImg))
using (var ibDest = new BitmapHelper(dstImg))
{
unsafe
{
ImageProcessingWrapper.Blend24bgr_24bgr(
ibSrc.Start, ibTar.Start, ibDest.Start, ibDest.SizeBytes, step);
}
}
// More work for caller: let C# run more threads
// TODO: How to mark here that C++ should not do MT in this case?
/*unsafe
{
BitmapData resultData = resultImage.LockBits(
new Rectangle(0, 0, resultImage.Width, resultImage.Height), ImageLockMode.ReadWrite,
resultImage.PixelFormat);
BitmapData src1Data = srcImage1.LockBits(
new Rectangle(0, 0, srcImage1.Width, srcImage1.Height), ImageLockMode.ReadOnly,
srcImage1.PixelFormat);
BitmapData src2Data = srcImage2.LockBits(
new Rectangle(0, 0, srcImage2.Width, srcImage2.Height), ImageLockMode.ReadOnly,
srcImage2.PixelFormat);
int heightInPixels = resultData.Height;
uint stride = (uint)Math.Abs(resultData.Stride);
Parallel.For(0, heightInPixels, y =>
{
byte* currentLineSrc1 = (byte*)src1Data.Scan0 + (y * stride);
byte* currentLineSrc2 = (byte*)src2Data.Scan0 + (y * stride);
byte* currentLineResult = (byte*)resultData.Scan0 + (y * stride);
ImageProcessingWrapper.Blend24bgr_24bgr(
currentLineSrc1, currentLineSrc2, currentLineResult, stride, step);
});
resultImage.UnlockBits(resultData);
srcImage1.UnlockBits(src1Data);
srcImage2.UnlockBits(src2Data);
}*/
}
public static void ImageAlphaBlend(Bitmap srcImg, Bitmap tarImg, Bitmap dstImg)
{
StaticCheckFormat(PixelFormat.Format32bppArgb, srcImg, tarImg, dstImg);
StaticCheckSameSize(srcImg, tarImg, dstImg);
// Less work for caller: let C++ handle threading
using (var ibSrc = new BitmapHelper(srcImg))
using (var ibTar = new BitmapHelper(tarImg))
using (var ibDest = new BitmapHelper(dstImg))
{
unsafe
{
ImageProcessingWrapper.AlphaBlend32bgra_32bgra(
ibSrc.Start, ibTar.Start, ibDest.Start, ibDest.SizeBytes);
}
}
}
public static void ConvolutionFilter(Bitmap srcImg, Bitmap dstImg, float[] kernel)
{
StaticCheckFormat(PixelFormat.Format32bppArgb, srcImg, dstImg);
StaticCheckSameSize(srcImg, dstImg);
using (var ibSrc = new BitmapHelper(srcImg))
using (var ibDest = new BitmapHelper(dstImg))
{
var stride = ibSrc.Stride;
var size = ibSrc.SizeBytes;
var kw = (uint)Math.Sqrt(kernel.GetLength(0));
var kh = (uint)kernel.Length / kw;
unsafe
{
// TODO: Testing only - reference c code
//SetImplementationLevel("ConvFilter_32bgra", 0);
ImageProcessingWrapper.ConvFilter_32bgra(
ibSrc.Start, ibDest.Start, size, stride, kernel, kw, kh);
}
}
}
private unsafe void ScanlineRenderer(int y, Rectangle dirtyRegion, BitmapHelper frameData)
{
byte* currentScanLine = frameData.Start + (y * frameData.Stride);
// TODO: If top-most layer covering the scanline is 100% opaque
/*if (objectCollection.Count > 0)
{
Layer last = objectCollection.Last;
if (last.Transparency == 100 &&
(ScanlineIntersects(y, last.Region)))
{
CompositeIfNeeded(y, dirtyRegion, currentScanLine, last, rasterizer);
return;
}
}*/
// Do a Painter's algorithm iteration (back->front) on the layers
for (int index = 0; index < objectCollection.Count; index++)
{
Layer layer = objectCollection[index];
CompositeIfNeeded(y, dirtyRegion, currentScanLine, layer);
}
}
private unsafe byte* LayerPixel(Rectangle layerRegion, BitmapHelper layerInfo, int y)
{
byte* src = (layerInfo.Start + // layer data start
(y - layerRegion.Top) * layerInfo.Stride) + // image data row
(layerRegion.Left < 0 ? layerInfo.PixelSize * Math.Abs(layerRegion.Left) : 0); // image data column
return src;
}
private unsafe byte* FrameBufferPixel(byte* currentScanLine, int leftOffset, BitmapHelper layerInfo)
{
byte* dst = currentScanLine + (leftOffset) * layerInfo.PixelSize; // frame scanline
return dst;
}
private uint DirtySize(int leftOffset, int rightOffset, BitmapHelper layerInfo)
{
uint dirtySizeBytes = (uint)((rightOffset - leftOffset) * layerInfo.PixelSize); // size of modified scanline region
return dirtySizeBytes;
}
public void UpdateFrame(SortedContainer<Layer> objectCollection,
IRenderingPolicy renderPolicy)
{
// Clip the invalidated region to the size of the frame
renderPolicy.ClipToFrame(frame.Size);
// Refreh the invalidated frame/region
profiler.ProfileClearFrame(() =>
{
Color clearColor = Color.FromArgb(255, surfaceInfo.GraphicsBackground);
using (SolidBrush clearBrush = new SolidBrush(clearColor))
{
/*var localPolicy = renderPolicy as MinimalUpdate;
if (localPolicy != null && localPolicy.OldRegion != default(Rectangle))
{
_frameGraphics.FillRectangle(clearBrush, localPolicy.OldRegion);
}*/
frameGraphics.FillRectangle(clearBrush, renderPolicy.DirtyRegion);
}
});
profiler.ProfileRasterizeObjects(() =>
{
using (var frameInfo = new BitmapHelper(frame)) // lock framebuffer data
using (var rasterizer = new RasterizerStage(objectCollection, surfaceInfo)) // rasterize all scene objects
using (var compositor = new CompositionStage(objectCollection, rasterizer))
{
// perform scene composition on needed regions
compositor.Composite(renderPolicy, frameInfo);
}
});
// Draw the new completed frame/region on the visible area
profiler.ProfileDrawFrame(() =>
{
RefreshFrame(renderPolicy);
});
// Notify interested clients with statistics after frame update
if (graphicsUpdateCallback != null) graphicsUpdateCallback.BeginInvoke(profiler, null, null);
}
public static void ImageOpacity(Bitmap srcImg, Bitmap dstImg, float step)
{
StaticCheckFormat(PixelFormat.Format32bppArgb, srcImg, dstImg, dstImg);
StaticCheckSameSize(srcImg, srcImg, dstImg);
// Less work for caller: let C++ handle threading
using (var ibSrc = new BitmapHelper(srcImg))
using (var ibDest = new BitmapHelper(dstImg))
{
unsafe
{
ImageProcessingWrapper.OpacityAdjust_32bgra(
ibSrc.Start, ibDest.Start, ibDest.SizeBytes, step);
}
}
}