/// <summary>
/// Gets an array containing all pixels of the underlying bitmap in Bgra format.
/// </summary>
public byte[] GetPixelsAsBgra()
{
if (m_wicBitmap == null)
{
throw new ObjectDisposedException("WicBitmap");
}
byte[] result = new byte[m_wicBitmap.Size.Width * m_wicBitmap.Size.Height * 4];
m_wicBitmap.CopyPixels(result, m_wicBitmap.Size.Width * 4);
return(result);
}
private static System.Drawing.Bitmap ConvertToBitmap(WICBitmap wicBitmap)
{
var width = wicBitmap.Size.Width;
var height = wicBitmap.Size.Height;
var gdiBitmap = new System.Drawing.Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
var gdiBitmapData = gdiBitmap.LockBits(
new System.Drawing.Rectangle(0, 0, gdiBitmap.Width, gdiBitmap.Height),
ImageLockMode.ReadWrite,
System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
var buffer = new int[width * height];
wicBitmap.CopyPixels(buffer);
Marshal.Copy(buffer, 0, gdiBitmapData.Scan0, buffer.Length);
gdiBitmap.UnlockBits(gdiBitmapData);
return gdiBitmap;
}
private static System.Drawing.Bitmap ConvertToBitmap(WICBitmap wicBitmap)
{
var width = wicBitmap.Size.Width;
var height = wicBitmap.Size.Height;
var gdiBitmap = new System.Drawing.Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
var gdiBitmapData = gdiBitmap.LockBits(
new System.Drawing.Rectangle(0, 0, gdiBitmap.Width, gdiBitmap.Height),
ImageLockMode.ReadWrite,
System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
var buffer = new int[width * height];
wicBitmap.CopyPixels(buffer);
Marshal.Copy(buffer, 0, gdiBitmapData.Scan0, buffer.Length);
gdiBitmap.UnlockBits(gdiBitmapData);
return(gdiBitmap);
}
private unsafe byte *GetBitmapData(string s, out int stride)
{
FreeBitmapData();
var size = GetMeasureString(s);
var w = (int)(Math.Ceiling(size.Width += 2));
var h = (int)(Math.Ceiling(size.Height += 2));
CreateBitmap(w, h);
_renderTarget.BeginDraw();
_renderTarget.Clear(TransparentColor);
_renderTarget.AntialiasMode = AntialiasMode.Aliased;
textFormat.TextAlignment = TextAlignment.Center;
_renderTarget.DrawText(s, textFormat, new RectangleF(0, 0, w, h), _brush);
_renderTarget.EndDraw();
//SaveToFile(@"C:\Xamarin\Cocos2D-XNAGraphics\" + s + ".png");
// Calculate stride of source
stride = _bitmap.Size.Width * 4;
// Create data array to hold source pixel data
//byte[] data = new byte[stride * _bitmap.Size.Height];
byte[] data = new byte[stride * _bitmap.Size.Height];
using (var datas = new DataStream(stride * _bitmap.Size.Height, true, true))
{
_bitmap.CopyPixels(stride, datas);
data = datas.ReadRange <byte>(data.Length);
}
ReleaseResources();
pinnedArray = GCHandle.Alloc(data, GCHandleType.Pinned);
IntPtr pointer = pinnedArray.AddrOfPinnedObject();
return((byte *)pointer);;
}
public void PaintToBitmap(Rectangle rc)
{
if (bitmap == null || drawType != DrawType.IMAGE)
{
return;
}
ScDrawNode rootNode;
graphics.BeginDraw();
rootNode = reDrawTree.ReCreateReDrawTree(rootScLayer, rc);
reDrawTree.Draw(graphics);
graphics.EndDraw();
if (graphicsType == GraphicsType.D2D && rootNode != null)
{
unsafe
{
RectangleF clip = rootNode.clipRect;
clip.X = (int)(clip.X / sizeScale.Width);
clip.Y = (int)(clip.Y / sizeScale.Height);
clip.Width = (int)(clip.Width / sizeScale.Width);
clip.Height = (int)(clip.Height / sizeScale.Height);
Rectangle bitmapRect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
BitmapData srcBmData = bitmap.LockBits(bitmapRect, ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
//DataPointer dataPtr = new DataPointer((IntPtr)srcBmData.Scan0, bitmap.Height * srcBmData.Stride);
//wicBitmap.CopyPixels(srcBmData.Stride, dataPtr);
byte *ptr = (byte *)srcBmData.Scan0;
ptr += (int)clip.Y * srcBmData.Stride + (int)clip.X * 4;
DataPointer dataPtr = new DataPointer(ptr, (int)clip.Height * srcBmData.Stride);
RawBox box = new RawBox((int)clip.X, (int)clip.Y, (int)clip.Width, (int)clip.Height);
wicBitmap.CopyPixels(box, srcBmData.Stride, dataPtr);
bitmap.UnlockBits(srcBmData);
}
//unsafe
//{
// RectangleF clip = rootNode.clipRect;
// clip.X = (int)(clip.X / sizeScale.Width);
// clip.Y = (int)(clip.Y / sizeScale.Height);
// clip.Width = (int)(clip.Width / sizeScale.Width);
// clip.Height = (int)(clip.Height / sizeScale.Height);
// Rectangle bitmapRect = new Rectangle(0, 0, bitmap.Width, bitmap.Height);
// BitmapData srcBmData = bitmap.LockBits(bitmapRect, ImageLockMode.ReadWrite, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
// BitmapLock bmplock = wicBitmap.Lock(BitmapLockFlags.Read);
// DataRectangle dataRect = bmplock.Data;
// byte* wicPtr = (byte*)dataRect.DataPointer;
// byte* dstScan = (byte*)(srcBmData.Scan0);
// byte* dstPtr = dstScan + (int)clip.Y * srcBmData.Stride + (int)clip.X * 4;
// byte* srcPtr = wicPtr + (int)clip.Y * bmplock.Stride + (int)clip.X * 4;
// int pos;
// for (int i = 0; i < (int)clip.Height; i++)
// {
// pos = i * srcBmData.Stride;
// for (int j = 0; j < (int)clip.Width; j++)
// {
// *(uint*)(dstPtr + pos) = *(uint*)(srcPtr + pos);
// pos += 4;
// }
// }
// bmplock.Dispose();
// bitmap.UnlockBits(srcBmData);
//}
}
}
