79 lines
2.7 KiB
C#
79 lines
2.7 KiB
C#
namespace RemoteFrameBuffer.Common
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{
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public class RgbFrameBuffer
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{
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private RgbPixel[][] _frame;
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public UInt16 Width
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{
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get
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{
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return (UInt16)this._frame[0].Length;
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}
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}
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public UInt16 Height
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{
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get
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{
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return (UInt16)this._frame.Length;
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}
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}
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private static RgbPixel[][] MakeFrameBuffer(UInt16 width, UInt16 height)
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{
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RgbPixel[][] buf = new RgbPixel[height][];
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for (Int32 i = 0; i < height; i++)
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{
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buf[i] = new RgbPixel[width];
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}
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return buf;
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}
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public RgbFrameBuffer(UInt16 width, UInt16 height)
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{
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this._frame = MakeFrameBuffer(width, height);
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}
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public void SetRegion(RgbPixel[][] source, UInt16 source_x, UInt16 source_y, UInt16 width, UInt16 height, UInt16 target_x, UInt16 target_y)
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{
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for (Int32 y = 0; y < height; y++)
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{
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Array.Copy(source[y + source_y], source_x, this._frame[y + target_y], target_x, width);
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}
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}
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public void CopyRegion(UInt16 source_x, UInt16 source_y, UInt16 width, UInt16 height, UInt16 target_x, UInt16 target_y) => this.SetRegion(this._frame, source_x, source_y, width, height, target_x, target_y);
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public void SaveBitmap(String filename)
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{
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#warning Endianness is straight up ignored
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Int32 rowBytes = (this.Width * 3) + 3;
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rowBytes -= rowBytes % 4;
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Int32 bytes = 54 + (this.Height * rowBytes);
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Byte[] buf = new Byte[bytes];
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buf[0] = 0x42;
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buf[1] = 0x4D;
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Array.Copy(BitConverter.GetBytes(bytes), 0, buf, 2, 4);
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buf[10] = 54;
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buf[14] = 40;
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Array.Copy(BitConverter.GetBytes((UInt32)this.Width), 0, buf, 18, 4);
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Array.Copy(BitConverter.GetBytes((UInt32)this.Height), 0, buf, 22, 4);
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buf[26] = 1;
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buf[28] = 24;
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Array.Copy(BitConverter.GetBytes(this.Height * rowBytes), 0, buf, 34, 4);
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for (Int32 j = 0; j < this.Height; j++)
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{
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Int32 off = 54 + (j * rowBytes);
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for (Int32 i = 0; i < this.Width; i++)
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{
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Int32 pos = off + (i * 3);
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buf[pos] = this._frame[this.Height - j - 1][i].Blue;
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buf[pos + 1] = this._frame[this.Height - j - 1][i].Green;
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buf[pos + 2] = this._frame[this.Height - j - 1][i].Red;
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}
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}
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File.WriteAllBytes(filename, buf);
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}
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}
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}
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