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C# ImageBuffer.GetRecieveBlender方法代码示例

本文整理汇总了C#中MatterHackers.Agg.Image.ImageBuffer.GetRecieveBlender方法的典型用法代码示例。如果您正苦于以下问题:C# ImageBuffer.GetRecieveBlender方法的具体用法?C# ImageBuffer.GetRecieveBlender怎么用?C# ImageBuffer.GetRecieveBlender使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在MatterHackers.Agg.Image.ImageBuffer的用法示例。


在下文中一共展示了ImageBuffer.GetRecieveBlender方法的5个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: ConvertBitmapToImage

        private static bool ConvertBitmapToImage(ImageBuffer destImage, Bitmap m_WidowsBitmap)
        {
            if (m_WidowsBitmap != null)
            {
                switch (m_WidowsBitmap.PixelFormat)
                {
                    case System.Drawing.Imaging.PixelFormat.Format32bppArgb:
                        {
                            destImage.Allocate(m_WidowsBitmap.Width, m_WidowsBitmap.Height, m_WidowsBitmap.Width * 4, 32);
                            if (destImage.GetRecieveBlender() == null)
                            {
                                destImage.SetRecieveBlender(new BlenderBGRA());
                            }

                            BitmapData bitmapData = m_WidowsBitmap.LockBits(new Rectangle(0, 0, m_WidowsBitmap.Width, m_WidowsBitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, m_WidowsBitmap.PixelFormat);
                            int sourceIndex = 0;
                            int destIndex = 0;
                            unsafe
                            {
                                int offset;
                                byte[] destBuffer = destImage.GetBuffer(out offset);
                                byte* pSourceBuffer = (byte*)bitmapData.Scan0;
                                for (int y = 0; y < destImage.Height; y++)
                                {
                                    destIndex = destImage.GetBufferOffsetXY(0, destImage.Height - 1 - y);
                                    for (int x = 0; x < destImage.Width; x++)
                                    {
#if true
                                        destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
                                        destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
                                        destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
                                        destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
#else
                                            RGBA_Bytes notPreMultiplied = new RGBA_Bytes(pSourceBuffer[sourceIndex + 0], pSourceBuffer[sourceIndex + 1], pSourceBuffer[sourceIndex + 2], pSourceBuffer[sourceIndex + 3]);
                                            sourceIndex += 4;
                                            RGBA_Bytes preMultiplied = notPreMultiplied.GetAsRGBA_Floats().premultiply().GetAsRGBA_Bytes();
                                            destBuffer[destIndex++] = preMultiplied.blue;
                                            destBuffer[destIndex++] = preMultiplied.green;
                                            destBuffer[destIndex++] = preMultiplied.red;
                                            destBuffer[destIndex++] = preMultiplied.alpha;
#endif
                                    }
                                }
                            }

                            m_WidowsBitmap.UnlockBits(bitmapData);

                            return true;
                        }

                    case System.Drawing.Imaging.PixelFormat.Format24bppRgb:
                        {
                            destImage.Allocate(m_WidowsBitmap.Width, m_WidowsBitmap.Height, m_WidowsBitmap.Width * 4, 32);

                            BitmapData bitmapData = m_WidowsBitmap.LockBits(new Rectangle(0, 0, m_WidowsBitmap.Width, m_WidowsBitmap.Height), System.Drawing.Imaging.ImageLockMode.ReadWrite, m_WidowsBitmap.PixelFormat);
                            int sourceIndex = 0;
                            int destIndex = 0;
                            unsafe
                            {
                                int offset;
                                byte[] destBuffer = destImage.GetBuffer(out offset);
                                byte* pSourceBuffer = (byte*)bitmapData.Scan0;
                                for (int y = 0; y < destImage.Height; y++)
                                {
                                    sourceIndex = y * bitmapData.Stride;
                                    destIndex = destImage.GetBufferOffsetXY(0, destImage.Height - 1 - y);
                                    for (int x = 0; x < destImage.Width; x++)
                                    {
                                        destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
                                        destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
                                        destBuffer[destIndex++] = pSourceBuffer[sourceIndex++];
                                        destBuffer[destIndex++] = 255;
                                    }
                                }
                            }

                            m_WidowsBitmap.UnlockBits(bitmapData);
                            return true;
                        }

                    case System.Drawing.Imaging.PixelFormat.Format8bppIndexed:
                        {
                            Copy8BitDataToImage(destImage, m_WidowsBitmap);
                            return true;
                        }

                    default:
                        throw new System.NotImplementedException();
                }

            }
            return false;
        }
开发者ID:jeske,项目名称:agg-sharp,代码行数:93,代码来源:ImageIOWindowsPlugin.cs

示例2: LowLevelReadTGABitsFromBuffer

		private static unsafe int LowLevelReadTGABitsFromBuffer(ImageBuffer imageToReadTo, byte[] wholeFileBuffer, int DestBitDepth)
		{
			STargaHeader TargaHeader = new STargaHeader();
			int FileReadOffset;

			if (!ReadTGAInfo(wholeFileBuffer, out TargaHeader))
			{
				return 0;
			}

			// if the frame we are loading is different then the one we have allocated
			// or we don't have any bits allocated

			if ((imageToReadTo.Width * imageToReadTo.Height) != (TargaHeader.Width * TargaHeader.Height))
			{
				imageToReadTo.Allocate(TargaHeader.Width, TargaHeader.Height, TargaHeader.Width * DestBitDepth / 8, DestBitDepth);
			}

			// work out the line width
			switch (imageToReadTo.BitDepth)
			{
				case 24:
					TGABytesPerLine = imageToReadTo.Width * 3;
					if (imageToReadTo.GetRecieveBlender() == null)
					{
						imageToReadTo.SetRecieveBlender(new BlenderBGR());
					}
					break;

				case 32:
					TGABytesPerLine = imageToReadTo.Width * 4;
					if (imageToReadTo.GetRecieveBlender() == null)
					{
						imageToReadTo.SetRecieveBlender(new BlenderBGRA());
					}
					break;

				default:
					throw new System.Exception("Bad bit depth.");
			}

			if (TGABytesPerLine > 0)
			{
				byte[] BufferToDecompressTo = null;
				FileReadOffset = TargaHeaderSize + TargaHeader.PostHeaderSkip;

				if (TargaHeader.ImageType == 10) // 10 is RLE compressed
				{
					BufferToDecompressTo = new byte[TGABytesPerLine * 2];
				}

				// read all the lines *
				for (int i = 0; i < imageToReadTo.Height; i++)
				{
					byte[] BufferToCopyFrom;
					int CopyOffset = 0;

					int CurReadLine;

					// bit 5 tells us if the image is stored top to bottom or bottom to top
					if ((TargaHeader.Descriptor & 0x20) != 0)
					{
						// bottom to top
						CurReadLine = imageToReadTo.Height - i - 1;
					}
					else
					{
						// top to bottom
						CurReadLine = i;
					}

					if (TargaHeader.ImageType == 10) // 10 is RLE compressed
					{
						FileReadOffset = Decompress(BufferToDecompressTo, wholeFileBuffer, FileReadOffset, imageToReadTo.Width, TargaHeader.BPP, CurReadLine);
						BufferToCopyFrom = BufferToDecompressTo;
					}
					else
					{
						BufferToCopyFrom = wholeFileBuffer;
						CopyOffset = FileReadOffset;
					}

					int bufferOffset;
					byte[] imageBuffer = imageToReadTo.GetBuffer(out bufferOffset);

					switch (imageToReadTo.BitDepth)
					{
						case 8:
							switch (TargaHeader.BPP)
							{
								case 24:
									Do24To8Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
									break;

								case 32:
									Do32To8Bit(imageBuffer, BufferToCopyFrom, CopyOffset, imageToReadTo.Width, CurReadLine);
									break;
							}
							break;

//.........这里部分代码省略.........
开发者ID:glocklueng,项目名称:agg-sharp,代码行数:101,代码来源:ImageTgaIO.cs

示例3: CreateScaledImage

		public static ImageBuffer CreateScaledImage(ImageBuffer unscaledSourceImage, int width, int height)
		{
			ImageBuffer destImage = new ImageBuffer(width, height, 32, unscaledSourceImage.GetRecieveBlender());

			// If the source image is more than twice as big as our dest image.
			while (unscaledSourceImage.Width > destImage.Width * 2)
			{
				// The image sampler we use is a 2x2 filter so we need to scale by a max of 1/2 if we want to get good results.
				// So we scale as many times as we need to get the Image to be the right size.
				// If this were going to be a non-uniform scale we could do the x and y separately to get better results.
				ImageBuffer halfImage = new ImageBuffer(unscaledSourceImage.Width / 2, unscaledSourceImage.Height / 2, 32, unscaledSourceImage.GetRecieveBlender());
				halfImage.NewGraphics2D().Render(unscaledSourceImage, 0, 0, 0, halfImage.Width / (double)unscaledSourceImage.Width, halfImage.Height / (double)unscaledSourceImage.Height);
				unscaledSourceImage = halfImage;
			}

			Graphics2D renderGraphics = destImage.NewGraphics2D();
			renderGraphics.ImageRenderQuality = Graphics2D.TransformQuality.Best;

			renderGraphics.Render(unscaledSourceImage, 0, 0, 0, destImage.Width / (double)unscaledSourceImage.Width, destImage.Height / (double)unscaledSourceImage.Height);

			destImage.MarkImageChanged();

			return destImage;
        }
开发者ID:glocklueng,项目名称:agg-sharp,代码行数:24,代码来源:ImageBuffer.cs

示例4: Initialize

		private void Initialize(ImageBuffer sourceImage, RectangleInt boundsToCopyFrom)
		{
			if (sourceImage == this)
			{
				throw new Exception("We do not create a temp buffer for this to work.  You must have a source distinct from the dest.");
			}
			Deallocate();
			Allocate(boundsToCopyFrom.Width, boundsToCopyFrom.Height, boundsToCopyFrom.Width * sourceImage.BitDepth / 8, sourceImage.BitDepth);
			SetRecieveBlender(sourceImage.GetRecieveBlender());

			if (width != 0 && height != 0)
			{
				RectangleInt DestRect = new RectangleInt(0, 0, boundsToCopyFrom.Width, boundsToCopyFrom.Height);
				RectangleInt AbsoluteSourceRect = boundsToCopyFrom;
				// The first thing we need to do is make sure the frame is cleared. LBB [3/15/2004]
				MatterHackers.Agg.Graphics2D graphics2D = NewGraphics2D();
				graphics2D.Clear(new RGBA_Bytes(0, 0, 0, 0));

				int x = -boundsToCopyFrom.Left - (int)sourceImage.OriginOffset.x;
				int y = -boundsToCopyFrom.Bottom - (int)sourceImage.OriginOffset.y;

				graphics2D.Render(sourceImage, x, y, 0, 1, 1);
			}
		}
开发者ID:glocklueng,项目名称:agg-sharp,代码行数:24,代码来源:ImageBuffer.cs

示例5: ImageBuffer

		public ImageBuffer(ImageBuffer sourceImage)
		{
			SetDimmensionAndFormat(sourceImage.Width, sourceImage.Height, sourceImage.StrideInBytes(), sourceImage.BitDepth, sourceImage.GetBytesBetweenPixelsInclusive(), true);
			int offset = sourceImage.GetBufferOffsetXY(0, 0);
			byte[] buffer = sourceImage.GetBuffer();
			byte[] newBuffer = new byte[buffer.Length];
			agg_basics.memcpy(newBuffer, offset, buffer, offset, buffer.Length - offset);
			SetBuffer(newBuffer, offset);
			SetRecieveBlender(sourceImage.GetRecieveBlender());
		}
开发者ID:glocklueng,项目名称:agg-sharp,代码行数:10,代码来源:ImageBuffer.cs


注:本文中的MatterHackers.Agg.Image.ImageBuffer.GetRecieveBlender方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。