public static void EncodeImage(this d2.Bitmap target, ImageFormat imageFormat, Stream outputStream) { var width = target.PixelSize.Width; var height = target.PixelSize.Height; var wicBitmap = new wic.Bitmap(DXGraphicsService.FactoryImaging, width, height, wic.PixelFormat.Format32bppBGR, wic.BitmapCreateCacheOption.CacheOnLoad); var renderTargetProperties = new d2.RenderTargetProperties(d2.RenderTargetType.Default, new d2.PixelFormat(Format.Unknown, d2.AlphaMode.Unknown), 0, 0, d2.RenderTargetUsage.None, d2.FeatureLevel.Level_DEFAULT); var d2DRenderTarget = new d2.WicRenderTarget(target.Factory, wicBitmap, renderTargetProperties); d2DRenderTarget.BeginDraw(); d2DRenderTarget.Clear(global::SharpDX.Color.Transparent); d2DRenderTarget.DrawBitmap(target, 1, d2.BitmapInterpolationMode.Linear); d2DRenderTarget.EndDraw(); var stream = new wic.WICStream(DXGraphicsService.FactoryImaging, outputStream); // Initialize a Jpeg encoder with this stream var encoder = new wic.BitmapEncoder(DXGraphicsService.FactoryImaging, GetImageFormat(imageFormat)); encoder.Initialize(stream); // Create a Frame encoder var bitmapFrameEncode = new wic.BitmapFrameEncode(encoder); bitmapFrameEncode.Initialize(); bitmapFrameEncode.SetSize(width, height); Guid pixelFormatGuid = wic.PixelFormat.FormatDontCare; bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid); bitmapFrameEncode.WriteSource(wicBitmap); bitmapFrameEncode.Commit(); encoder.Commit(); bitmapFrameEncode.Dispose(); encoder.Dispose(); stream.Dispose(); d2DRenderTarget.Dispose(); wicBitmap.Dispose(); }
internal CCTexture2D CreateTextSprite(string text, CCFontDefinition textDefinition) { if (string.IsNullOrEmpty(text)) return new CCTexture2D(); int imageWidth; int imageHeight; var textDef = textDefinition; var contentScaleFactorWidth = CCLabel.DefaultTexelToContentSizeRatios.Width; var contentScaleFactorHeight = CCLabel.DefaultTexelToContentSizeRatios.Height; textDef.FontSize *= contentScaleFactorWidth; textDef.Dimensions.Width *= contentScaleFactorWidth; textDef.Dimensions.Height *= contentScaleFactorHeight; var font = CreateFont(textDef.FontName, textDef.FontSize); if (font == null) { CCLog.Log("Can not create font {0} with size {1}.", textDef.FontName, textDef.FontSize); return new CCTexture2D(); } var _currentFontSizeEm = textDef.FontSize; var _currentDIP = ConvertPointSizeToDIP(_currentFontSizeEm); // color var foregroundColor = Color4.White; // alignment var horizontalAlignment = textDef.Alignment; var verticleAlignement = textDef.LineAlignment; var textAlign = (CCTextAlignment.Right == horizontalAlignment) ? TextAlignment.Trailing : (CCTextAlignment.Center == horizontalAlignment) ? TextAlignment.Center : TextAlignment.Leading; var paragraphAlign = (CCVerticalTextAlignment.Bottom == vertAlignment) ? ParagraphAlignment.Far : (CCVerticalTextAlignment.Center == vertAlignment) ? ParagraphAlignment.Center : ParagraphAlignment.Near; // LineBreak var lineBreak = (CCLabelLineBreak.Character == textDef.LineBreak) ? WordWrapping.Wrap : (CCLabelLineBreak.Word == textDef.LineBreak) ? WordWrapping.Wrap : WordWrapping.NoWrap; // LineBreak // TODO: Find a way to specify the type of line breaking if possible. var dimensions = new CCSize(textDef.Dimensions.Width, textDef.Dimensions.Height); var layoutAvailable = true; if (dimensions.Width <= 0) { dimensions.Width = 8388608; layoutAvailable = false; } if (dimensions.Height <= 0) { dimensions.Height = 8388608; layoutAvailable = false; } var fontName = font.FontFamily.FamilyNames.GetString(0); var textFormat = new TextFormat(FactoryDWrite, fontName, _currentFontCollection, FontWeight.Regular, FontStyle.Normal, FontStretch.Normal, _currentDIP); textFormat.TextAlignment = textAlign; textFormat.ParagraphAlignment = paragraphAlign; var textLayout = new TextLayout(FactoryDWrite, text, textFormat, dimensions.Width, dimensions.Height); var boundingRect = new RectangleF(); // Loop through all the lines so we can find our drawing offsets var textMetrics = textLayout.Metrics; var lineCount = textMetrics.LineCount; // early out if something went wrong somewhere and nothing is to be drawn if (lineCount == 0) return new CCTexture2D(); // Fill out the bounding rect width and height so we can calculate the yOffset later if needed boundingRect.X = 0; boundingRect.Y = 0; boundingRect.Width = textMetrics.Width; boundingRect.Height = textMetrics.Height; if (!layoutAvailable) { if (dimensions.Width == 8388608) { dimensions.Width = boundingRect.Width; } if (dimensions.Height == 8388608) { dimensions.Height = boundingRect.Height; } } imageWidth = (int)dimensions.Width; imageHeight = (int)dimensions.Height; // Recreate our layout based on calculated dimensions so that we can draw the text correctly // in our image when Alignment is not Left. if (textAlign != TextAlignment.Leading) { textLayout.MaxWidth = dimensions.Width; textLayout.MaxHeight = dimensions.Height; } // Line alignment var yOffset = (CCVerticalTextAlignment.Bottom == verticleAlignement || boundingRect.Bottom >= dimensions.Height) ? dimensions.Height - boundingRect.Bottom // align to bottom : (CCVerticalTextAlignment.Top == verticleAlignement) ? 0 // align to top : (imageHeight - boundingRect.Bottom) * 0.5f; // align to center SharpDX.WIC.Bitmap sharpBitmap = null; WicRenderTarget sharpRenderTarget = null; SolidColorBrush solidBrush = null; try { // Select our pixel format var pixelFormat = SharpDX.WIC.PixelFormat.Format32bppPRGBA; // create our backing bitmap sharpBitmap = new SharpDX.WIC.Bitmap(FactoryImaging, imageWidth, imageHeight, pixelFormat, BitmapCreateCacheOption.CacheOnLoad); // Create the render target that we will draw to sharpRenderTarget = new WicRenderTarget(Factory2D, sharpBitmap, new RenderTargetProperties()); // Create our brush to actually draw with solidBrush = new SolidColorBrush(sharpRenderTarget, foregroundColor); // Begin the drawing sharpRenderTarget.BeginDraw(); if (textDefinition.isShouldAntialias) sharpRenderTarget.AntialiasMode = AntialiasMode.Aliased; // Clear it sharpRenderTarget.Clear(TransparentColor); // Draw the text to the bitmap sharpRenderTarget.DrawTextLayout(new Vector2(boundingRect.X, yOffset), textLayout, solidBrush); // End our drawing which will commit the rendertarget to the bitmap sharpRenderTarget.EndDraw(); // Debugging purposes //var s = "Label4"; //SaveToFile(@"C:\Xamarin\" + s + ".png", _bitmap, _renderTarget); // The following code creates a .png stream in memory of our Bitmap and uses it to create our Textue2D Texture2D tex = null; using (var memStream = new MemoryStream()) { using (var encoder = new PngBitmapEncoder(FactoryImaging, memStream)) using (var frameEncoder = new BitmapFrameEncode(encoder)) { frameEncoder.Initialize(); frameEncoder.WriteSource(sharpBitmap); frameEncoder.Commit(); encoder.Commit(); } // Create the Texture2D from the png stream tex = Texture2D.FromStream(CCDrawManager.SharedDrawManager.XnaGraphicsDevice, memStream); } // Return our new CCTexture2D created from the Texture2D which will have our text drawn on it. return new CCTexture2D(tex); } catch (Exception exc) { CCLog.Log("CCLabel-Windows: Unable to create the backing image of our text. Message: {0}", exc.StackTrace); } finally { if (sharpBitmap != null) { sharpBitmap.Dispose(); sharpBitmap = null; } if (sharpRenderTarget != null) { sharpRenderTarget.Dispose(); sharpRenderTarget = null; } if (solidBrush != null) { solidBrush.Dispose(); solidBrush = null; } if (textFormat != null) { textFormat.Dispose(); textFormat = null; } if (textLayout != null) { textLayout.Dispose(); textLayout = null; } } // If we have reached here then something has gone wrong. return new CCTexture2D(); }