/// <summary>
/// 将 Direct2D 位图保存到文件中。
/// </summary>
/// <param name="image">要保存的位图。</param>
/// <param name="fileName">要保存的文件名。</param>
public void SaveBitmapToFile(Bitmap image, string fileName)
{
using (ImagingFactory2 factory = new ImagingFactory2())
{
using (WICStream stream = new WICStream(factory, fileName, NativeFileAccess.Write))
{
using (BitmapEncoder encoder = new PngBitmapEncoder(factory))
{
encoder.Initialize(stream);
using (BitmapFrameEncode bitmapFrameEncode = new BitmapFrameEncode(encoder))
{
bitmapFrameEncode.Initialize();
int width = image.PixelSize.Width;
int height = image.PixelSize.Height;
bitmapFrameEncode.SetSize(width, height);
Guid wicPixelFormat = WICPixelFormat;
bitmapFrameEncode.SetPixelFormat(ref wicPixelFormat);
using (ImageEncoder imageEncoder = new ImageEncoder(factory, this.d2DDevice))
{
imageEncoder.WriteFrame(image, bitmapFrameEncode,
new ImageParameters(D2PixelFormat, 96, 96, 0, 0, width, height));
bitmapFrameEncode.Commit();
encoder.Commit();
}
}
}
}
}
}
// Used for debugging purposes
private void SaveToFile(string fileName)
{
using (var pStream = new WICStream(FactoryImaging, fileName, SharpDX.IO.NativeFileAccess.Write))
{
//var format = SharpDX.WIC.PixelFormat.Format32bppPRGBA;
var format = SharpDX.WIC.PixelFormat.FormatDontCare;
//// Use InitializeFromFilename to write to a file. If there is need to write inside the memory, use InitializeFromMemory.
var encodingFormat = BitmapEncoderGuids.Png;
var encoder = new PngBitmapEncoder(FactoryImaging, pStream);
// Create a Frame encoder
var pFrameEncode = new BitmapFrameEncode(encoder);
pFrameEncode.Initialize();
pFrameEncode.SetSize((int)_renderTarget.Size.Width, (int)_renderTarget.Size.Height);
pFrameEncode.SetPixelFormat(ref format);
pFrameEncode.WriteSource(_bitmap);
pFrameEncode.Commit();
encoder.Commit();
}
}
public static void Save(this Texture2D texture, IRandomAccessStream stream, DeviceManager deviceManager)
{
var textureCopy = new Texture2D(deviceManager.DeviceDirect3D, new Texture2DDescription
{
Width = (int)texture.Description.Width,
Height = (int)texture.Description.Height,
MipLevels = 1,
ArraySize = 1,
Format = texture.Description.Format,
Usage = ResourceUsage.Staging,
SampleDescription = new SampleDescription(1, 0),
BindFlags = BindFlags.None,
CpuAccessFlags = CpuAccessFlags.Read,
OptionFlags = ResourceOptionFlags.None
});
deviceManager.ContextDirect3D.CopyResource(texture, textureCopy);
DataStream dataStream;
var dataBox = deviceManager.ContextDirect3D.MapSubresource(
textureCopy,
0,
0,
MapMode.Read,
SharpDX.Direct3D11.MapFlags.None,
out dataStream);
var dataRectangle = new DataRectangle
{
DataPointer = dataStream.DataPointer,
Pitch = dataBox.RowPitch
};
var bitmap = new Bitmap(
deviceManager.WICFactory,
textureCopy.Description.Width,
textureCopy.Description.Height,
PixelFormat.Format32bppBGRA,
dataRectangle);
using (var s = stream.AsStream())
{
s.Position = 0;
using (var bitmapEncoder = new PngBitmapEncoder(deviceManager.WICFactory, s))
{
using (var bitmapFrameEncode = new BitmapFrameEncode(bitmapEncoder))
{
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(bitmap.Size.Width, bitmap.Size.Height);
var pixelFormat = PixelFormat.FormatDontCare;
bitmapFrameEncode.SetPixelFormat(ref pixelFormat);
bitmapFrameEncode.WriteSource(bitmap);
bitmapFrameEncode.Commit();
bitmapEncoder.Commit();
}
}
}
deviceManager.ContextDirect3D.UnmapSubresource(textureCopy, 0);
textureCopy.Dispose();
bitmap.Dispose();
}
public MemoryStream RenderToPngStream(FrameworkElement fe)
{
var width = (int)Math.Ceiling(fe.ActualWidth);
var height = (int)Math.Ceiling(fe.ActualHeight);
// pixel format with transparency/alpha channel and RGB values premultiplied by alpha
var pixelFormat = WicPixelFormat.Format32bppPRGBA;
// pixel format without transparency, but one that works with Cleartype antialiasing
//var pixelFormat = WicPixelFormat.Format32bppBGR;
var wicBitmap = new Bitmap(
this.WicFactory,
width,
height,
pixelFormat,
BitmapCreateCacheOption.CacheOnLoad);
var renderTargetProperties = new RenderTargetProperties(
RenderTargetType.Default,
new D2DPixelFormat(Format.R8G8B8A8_UNorm, AlphaMode.Premultiplied),
//new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown), // use this for non-alpha, cleartype antialiased text
0,
0,
RenderTargetUsage.None,
FeatureLevel.Level_DEFAULT);
var renderTarget = new WicRenderTarget(
this.D2DFactory,
wicBitmap,
renderTargetProperties)
{
//TextAntialiasMode = TextAntialiasMode.Cleartype // this only works with the pixel format with no alpha channel
TextAntialiasMode = TextAntialiasMode.Grayscale // this is the best we can do for bitmaps with alpha channels
};
Compose(renderTarget, fe);
// TODO: There is no need to encode the bitmap to PNG - we could just copy the texture pixel buffer to a WriteableBitmap pixel buffer.
var ms = new MemoryStream();
var stream = new WICStream(
this.WicFactory,
ms);
var encoder = new PngBitmapEncoder(WicFactory);
encoder.Initialize(stream);
var frameEncoder = new BitmapFrameEncode(encoder);
frameEncoder.Initialize();
frameEncoder.SetSize(width, height);
var format = WicPixelFormat.Format32bppBGRA;
//var format = WicPixelFormat.FormatDontCare;
frameEncoder.SetPixelFormat(ref format);
frameEncoder.WriteSource(wicBitmap);
frameEncoder.Commit();
encoder.Commit();
frameEncoder.Dispose();
encoder.Dispose();
stream.Dispose();
ms.Position = 0;
return(ms);
}
private static void InternalSaveTexture(string path, int arraySlice, int mipSlice, ImagingFactory2 Factory, Texture2D textureCopy, DeviceContext context)
{
DataStream dataStream;
var dataBox = context.MapSubresource(
textureCopy,
mipSlice,
arraySlice,
MapMode.Read,
SharpDX.Direct3D11.MapFlags.None,
out dataStream);
DataRectangle dataRectangle = new DataRectangle
{
DataPointer = dataStream.DataPointer,
Pitch = dataBox.RowPitch
};
Guid m_PixelFormat = PixelFormat.Format64bppRGBAHalf;
if (textureCopy.Description.Format == Format.R16G16_Float)
{
m_PixelFormat = PixelFormat.Format32bppGrayFloat;
}
if (textureCopy.Description.Format == Format.R8G8B8A8_UNorm)
{
m_PixelFormat = PixelFormat.Format32bppBGRA;
}
int mipSize = (int)(textureCopy.Description.Width * Math.Pow(0.5, mipSlice));
var bitmap = new Bitmap(
Factory,
mipSize,
mipSize,
m_PixelFormat,
dataRectangle);
using (var s = new FileStream(path, FileMode.OpenOrCreate)) {//CREATE
s.Position = 0;
using (var bitmapEncoder = new PngBitmapEncoder(Factory, s)) {
using (var bitmapFrameEncode = new BitmapFrameEncode(bitmapEncoder)) {
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(bitmap.Size.Width, bitmap.Size.Height);
var pixelFormat = PixelFormat.FormatDontCare;
bitmapFrameEncode.SetPixelFormat(ref pixelFormat);
bitmapFrameEncode.WriteSource(bitmap);
bitmapFrameEncode.Commit();
bitmapEncoder.Commit();
}
}
}
bitmap.Dispose();
context.UnmapSubresource(textureCopy, 0);
}
public override void Save(Stream stream)
{
using (var encoder = new PngBitmapEncoder(Direct2D1Platform.ImagingFactory, stream))
using (var frame = new BitmapFrameEncode(encoder))
{
frame.Initialize();
frame.WriteSource(WicImpl);
frame.Commit();
encoder.Commit();
}
}
public override void Save(Stream stream)
{
using (var encoder = new PngBitmapEncoder(Direct2D1Platform.ImagingFactory, stream))
using (var frame = new BitmapFrameEncode(encoder))
using (var bitmapSource = _direct2DBitmap.QueryInterface <BitmapSource>())
{
frame.Initialize();
frame.WriteSource(bitmapSource);
frame.Commit();
encoder.Commit();
}
}
public override void Save(Stream stream)
{
PngBitmapEncoder encoder = new PngBitmapEncoder(_factory);
encoder.Initialize(stream);
BitmapFrameEncode frame = new BitmapFrameEncode(encoder);
frame.Initialize();
frame.WriteSource(WicImpl);
frame.Commit();
encoder.Commit();
}
public static void ExportTexture(DeviceResources resources, StorageFile textureFile, Texture2D texture)
{
var device = resources.D3DDevice;
var context = resources.D3DDeviceContext;
var textureToSave = texture;
var outputTexture = new Texture2D(device, new Texture2DDescription
{
Width = textureToSave.Description.Width,
Height = textureToSave.Description.Height,
MipLevels = 1,
ArraySize = 1,
Format = textureToSave.Description.Format,
Usage = ResourceUsage.Staging,
SampleDescription = new SampleDescription(1, 0),
BindFlags = BindFlags.None,
CpuAccessFlags = CpuAccessFlags.Read,
OptionFlags = ResourceOptionFlags.None
});
context.CopyResource(textureToSave, outputTexture);
var mappedResource = context.MapSubresource(outputTexture, 0, 0, MapMode.Read, SharpDX.Direct3D11.MapFlags.None, out var dataStream);
var dataRectangle = new DataRectangle
{
DataPointer = dataStream.DataPointer,
Pitch = mappedResource.RowPitch
};
var imagingFactory = new ImagingFactory();
var bitmap = new Bitmap(imagingFactory, outputTexture.Description.Width, outputTexture.Description.Height, PixelFormat.Format32bppRGBA, dataRectangle);
using (var stream = new MemoryStream())
using (var bitmapEncoder = new PngBitmapEncoder(imagingFactory, stream))
using (var bitmapFrame = new BitmapFrameEncode(bitmapEncoder))
{
bitmapFrame.Initialize();
bitmapFrame.SetSize(bitmap.Size.Width, bitmap.Size.Height);
var pixelFormat = PixelFormat.FormatDontCare;
bitmapFrame.SetPixelFormat(ref pixelFormat);
bitmapFrame.WriteSource(bitmap);
bitmapFrame.Commit();
bitmapEncoder.Commit();
FileIO.WriteBytesAsync(textureFile, stream.ToArray()).AsTask().Wait(-1);
}
context.UnmapSubresource(outputTexture, 0);
outputTexture.Dispose();
bitmap.Dispose();
}
public static void WritePngToStream(this Bitmap bitmap, Stream stream, int width = -1, int height = -1)
{
if (width <= 0)
{
width = bitmap.Size.Width;
}
if (height <= 0)
{
height = bitmap.Size.Height;
}
// ------------------------------------------------------
// Encode a PNG image
// ------------------------------------------------------
// Create a WIC outputstream
var wicStream = new WICStream(DXGraphicsService.FactoryImaging, stream);
// Initialize a Jpeg encoder with this stream
var encoder = new PngBitmapEncoder(DXGraphicsService.FactoryImaging);
encoder.Initialize(wicStream);
// Create a Frame encoder
var bitmapFrameEncode = new BitmapFrameEncode(encoder);
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(width, height);
Guid guid = PixelFormat.Format32bppRGBA;
bitmapFrameEncode.SetPixelFormat(ref guid);
bitmapFrameEncode.WriteSource(bitmap);
// Commit changes
bitmapFrameEncode.Commit();
encoder.Commit();
// Cleanup
bitmapFrameEncode.Options.Dispose();
bitmapFrameEncode.Dispose();
encoder.Dispose();
wicStream.Dispose();
}
public void Save(string fileName)
{
if (Path.GetExtension(fileName) != ".png")
{
// Yeah, we need to support other formats.
throw new NotSupportedException("Use PNG, stoopid.");
}
using (FileStream s = new FileStream(fileName, FileMode.Create))
{
PngBitmapEncoder encoder = new PngBitmapEncoder(factory);
encoder.Initialize(s);
BitmapFrameEncode frame = new BitmapFrameEncode(encoder);
frame.Initialize();
frame.WriteSource(this.WicImpl);
frame.Commit();
encoder.Commit();
}
}
//
// http://stackoverflow.com/questions/9151615/how-does-one-use-a-memory-stream-instead-of-files-when-rendering-direct2d-images
//
// Identical to above SO question, except that we are rendering to MemoryStream because it was added to the API
//
private MemoryStream RenderStaticTextToBitmap()
{
var width = 400;
var height = 100;
var pixelFormat = WicPixelFormat.Format32bppBGR;
var wicFactory = new ImagingFactory();
var dddFactory = new SharpDX.Direct2D1.Factory();
var dwFactory = new SharpDX.DirectWrite.Factory();
var wicBitmap = new Bitmap(
wicFactory,
width,
height,
pixelFormat,
BitmapCreateCacheOption.CacheOnLoad);
var renderTargetProperties = new RenderTargetProperties(
RenderTargetType.Default,
new D2DPixelFormat(Format.Unknown, AlphaMode.Unknown),
0,
0,
RenderTargetUsage.None,
FeatureLevel.Level_DEFAULT);
var renderTarget = new WicRenderTarget(
dddFactory,
wicBitmap,
renderTargetProperties)
{
TextAntialiasMode = TextAntialiasMode.Cleartype
};
renderTarget.BeginDraw();
var textFormat = new TextFormat(dwFactory, "Consolas", 48)
{
TextAlignment = SharpDX.DirectWrite.TextAlignment.Center,
ParagraphAlignment = ParagraphAlignment.Center
};
var textBrush = new SharpDX.Direct2D1.SolidColorBrush(
renderTarget,
SharpDX.Colors.Blue);
renderTarget.Clear(Colors.White);
renderTarget.DrawText(
"Hi, mom!",
textFormat,
new RectangleF(0, 0, width, height),
textBrush);
renderTarget.EndDraw();
var ms = new MemoryStream();
var stream = new WICStream(
wicFactory,
ms);
var encoder = new PngBitmapEncoder(wicFactory);
encoder.Initialize(stream);
var frameEncoder = new BitmapFrameEncode(encoder);
frameEncoder.Initialize();
frameEncoder.SetSize(width, height);
frameEncoder.PixelFormat = WicPixelFormat.FormatDontCare;
frameEncoder.WriteSource(wicBitmap);
frameEncoder.Commit();
encoder.Commit();
frameEncoder.Dispose();
encoder.Dispose();
stream.Dispose();
ms.Position = 0;
return(ms);
}
private void SaveToFile(D3DX direct3D, Texture2D texture, Guid format)
{
var stream = new System.IO.FileStream("Output.png", System.IO.FileMode.Create);
var textureTarget = texture;
var textureCopy = new Texture2D(direct3D.Device, new Texture2DDescription
{
Width = (int)textureTarget.Description.Width,
Height = (int)textureTarget.Description.Height,
MipLevels = 1,
ArraySize = 1,
Format = textureTarget.Description.Format,
Usage = ResourceUsage.Staging,
SampleDescription = new SampleDescription(1, 0),
BindFlags = BindFlags.None,
CpuAccessFlags = CpuAccessFlags.Read,
OptionFlags = ResourceOptionFlags.None
});
direct3D.DeviceContext.CopyResource(textureTarget, textureCopy);
var dataBox = direct3D.DeviceContext.MapSubresource(
textureCopy,
0,
0,
MapMode.Read,
SharpDX.Direct3D11.MapFlags.None,
out DataStream dataStream);
var dataRectangle = new DataRectangle
{
DataPointer = dataStream.DataPointer,
Pitch = dataBox.RowPitch
};
var imagingFactory = new ImagingFactory2();
var bitmap = new SharpDX.WIC.Bitmap(
imagingFactory,
textureCopy.Description.Width,
textureCopy.Description.Height,
format,
dataRectangle);
using (var s = stream)
{
s.Position = 0;
using (var bitmapEncoder = new PngBitmapEncoder(imagingFactory, s))
{
using (var bitmapFrameEncode = new BitmapFrameEncode(bitmapEncoder))
{
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(bitmap.Size.Width, bitmap.Size.Height);
var pixelFormat = SharpDX.WIC.PixelFormat.FormatDontCare;
bitmapFrameEncode.SetPixelFormat(ref pixelFormat);
bitmapFrameEncode.WriteSource(bitmap);
bitmapFrameEncode.Commit();
bitmapEncoder.Commit();
bitmapFrameEncode.Dispose();
bitmapEncoder.Dispose();
}
}
}
direct3D.DeviceContext.UnmapSubresource(textureCopy, 0);
textureCopy.Dispose();
bitmap.Dispose();
imagingFactory.Dispose();
dataStream.Dispose();
stream.Dispose();
}
/// <summary>
/// 从rss生成图像
/// </summary>
/// <param name="channel">从rss源获得的数据</param>
/// <param name="path">保存图像的路径</param>
private void GetImageFromRss(object obj)
{
ImageObj image = (ImageObj)obj;
RssInfo rssInfo = image.rssInfo;
RssMedia rssMedia = image.rssMedia;
string fileName = "";
if (rssInfo == null || rssMedia == null)
{
return;
}
List <Page> pages = GetPageListFromRss(rssInfo, rssMedia);
var wicFactory = new ImagingFactory();
var d2dFactory = new SharpDX.Direct2D1.Factory();
var dwFactory = new SharpDX.DirectWrite.Factory();
var renderTargetProperties = new RenderTargetProperties(RenderTargetType.Default,
new SharpDX.Direct2D1.PixelFormat(Format.Unknown, SharpDX.Direct2D1.AlphaMode.Unknown),
0,
0,
RenderTargetUsage.None, FeatureLevel.Level_DEFAULT);
var wicBitmap = new SharpDX.WIC.Bitmap(wicFactory,
pageWidth,
pageHeight,
SharpDX.WIC.PixelFormat.Format32bppBGR,
BitmapCreateCacheOption.CacheOnLoad);
var d2dRenderTarget = new WicRenderTarget(d2dFactory,
wicBitmap,
renderTargetProperties);
d2dRenderTarget.AntialiasMode = AntialiasMode.PerPrimitive;
var solidColorBrush = new SolidColorBrush(d2dRenderTarget,
new SharpDX.Color(this.backgroundColor.R,
this.backgroundColor.G,
this.backgroundColor.B,
this.backgroundColor.A));
var textBodyBrush = new SolidColorBrush(d2dRenderTarget,
new SharpDX.Color(rssMedia.RssBodyProp.
TextColor.R,
rssMedia.RssBodyProp.TextColor.G,
rssMedia.RssBodyProp.TextColor.B,
rssMedia.RssBodyProp.TextColor.A));
var titleColorBrush = new SolidColorBrush(d2dRenderTarget,
new SharpDX.Color(rssMedia.RssTitleProp.TextColor.R,
rssMedia.RssTitleProp.TextColor.G,
rssMedia.RssTitleProp.TextColor.B,
rssMedia.RssTitleProp.TextColor.A));
var publishDateColorBrush = new SolidColorBrush(d2dRenderTarget,
new SharpDX.Color(rssMedia.RssPublishTimeProp.TextColor.R,
rssMedia.RssPublishTimeProp.TextColor.G,
rssMedia.RssPublishTimeProp.TextColor.B,
rssMedia.RssPublishTimeProp.TextColor.A));
TextLayout textLayout;
try
{
int count = 0;
foreach (Page page in pages)
{
d2dRenderTarget.BeginDraw();
d2dRenderTarget.Clear(new SharpDX.Color(this.backgroundColor.R,
this.backgroundColor.G,
this.backgroundColor.B,
this.backgroundColor.A));
foreach (Line line in page.lines)
{
foreach (Block block in line.content)
{
TextFormat textFormat = new TextFormat(dwFactory,
block.font.FontFamily.Name,
block.font.Size);
textLayout = new TextLayout(dwFactory,
block.content,
textFormat,
block.width,
block.height);
switch (block.type)
{
case RssBodyType.Title:
textLayout.SetUnderline(rssMedia.RssTitleProp.TextFont.Underline,
new TextRange(0, block.content.Length));
textLayout.SetFontStyle(rssMedia.RssTitleProp.TextFont.Italic ? FontStyle.Italic : FontStyle.Normal,
new TextRange(0, block.content.Length));
textLayout.SetFontWeight(rssMedia.RssTitleProp.TextFont.Bold ? FontWeight.Bold : FontWeight.Normal,
new TextRange(0, block.content.Length));
d2dRenderTarget.DrawTextLayout(new Vector2(block.left, block.top), textLayout, titleColorBrush);
break;
case RssBodyType.Time:
textLayout.SetUnderline(rssMedia.RssPublishTimeProp.TextFont.Underline,
new TextRange(0, block.content.Length));
textLayout.SetFontStyle(rssMedia.RssPublishTimeProp.TextFont.Italic ? FontStyle.Italic : FontStyle.Normal,
new TextRange(0, block.content.Length));
textLayout.SetFontWeight(rssMedia.RssPublishTimeProp.TextFont.Bold ? FontWeight.Bold : FontWeight.Normal,
new TextRange(0, block.content.Length));
d2dRenderTarget.DrawTextLayout(new Vector2(block.left, block.top), textLayout, publishDateColorBrush);
break;
case RssBodyType.Body:
textLayout.SetUnderline(rssMedia.RssBodyProp.TextFont.Underline,
new TextRange(0, block.content.Length));
textLayout.SetFontStyle(rssMedia.RssBodyProp.TextFont.Italic ? FontStyle.Italic : FontStyle.Normal,
new TextRange(0, block.content.Length));
textLayout.SetFontWeight(rssMedia.RssBodyProp.TextFont.Bold ? FontWeight.Bold : FontWeight.Normal,
new TextRange(0, block.content.Length));
d2dRenderTarget.DrawTextLayout(new Vector2(block.left, block.top), textLayout, textBodyBrush);
break;
default:
break;
}
textFormat.Dispose();
textFormat = null;
}
}
d2dRenderTarget.EndDraw();
if (!Directory.Exists(path))
{
Directory.CreateDirectory(path);
}
fileName = string.Format("{0}{1}.jpg", path, DateTime.Now.Ticks.ToString());
var stream = new WICStream(wicFactory, fileName, NativeFileAccess.Write);
var encoder = new PngBitmapEncoder(wicFactory);
encoder.Initialize(stream);
var bitmapFrameEncode = new BitmapFrameEncode(encoder);
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(pageWidth, pageHeight);
var pixelFormatGuid = SharpDX.WIC.PixelFormat.FormatDontCare;
bitmapFrameEncode.SetPixelFormat(ref pixelFormatGuid);
bitmapFrameEncode.WriteSource(wicBitmap);
bitmapFrameEncode.Commit();
encoder.Commit();
bitmapFrameEncode.Dispose();
encoder.Dispose();
stream.Dispose();
Console.WriteLine("*********image count is : " + count++);
//发送单个图片生成事件
if (SingleGenerateCompleteEvent != null)
{
SingleGenerateCompleteEvent(fileName);
}
}
//发送生成完成事件
if (GenerateCompleteEvent != null)
{
GenerateCompleteEvent(path);
//停止线程，从字典删除
StopGenerate(rssMedia.CachePath);
}
}
catch (ThreadAbortException aborted)
{
Trace.WriteLine("rss 图片生成线程终止 : " + aborted.Message);
}
catch (Exception ex)
{
Trace.WriteLine("rss 图片生成遇到bug : " + ex.Message);
}
finally
{
wicFactory.Dispose();
d2dFactory.Dispose();
dwFactory.Dispose();
wicBitmap.Dispose();
d2dRenderTarget.Dispose();
solidColorBrush.Dispose();
textBodyBrush.Dispose();
titleColorBrush.Dispose();
publishDateColorBrush.Dispose();
rssInfo.Dispose();
rssMedia.Dispose();
wicFactory = null;
d2dFactory = null;
dwFactory = null;
wicBitmap = null;
d2dRenderTarget = null;
solidColorBrush = null;
textBodyBrush = null;
titleColorBrush = null;
publishDateColorBrush = null;
rssInfo = null;
rssMedia = null;
pages.Clear();
pages = null;
}
}
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 *= (int)contentScaleFactorWidth;
textDef.Dimensions.Width *= contentScaleFactorWidth;
textDef.Dimensions.Height *= contentScaleFactorHeight;
bool hasPremultipliedAlpha;
var font = CreateFont(textDef.FontName, textDef.FontSize);
var _currentFontSizeEm = textDef.FontSize;
var _currentDIP = ConvertPointSizeToDIP(_currentFontSizeEm);
var fontColor = textDef.FontFillColor;
var fontAlpha = textDef.FontAlpha;
var foregroundColor = new Color4(fontColor.R / 255.0f,
fontColor.G / 255.0f,
fontColor.B / 255.0f,
fontAlpha / 255.0f);
// 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());
}
//create a bitmap from a texture2D. DOES NOT WORK
public static System.Drawing.Bitmap GetTextureBitmap(Device device, Texture2D tex, int mipSlice)
{
int w = tex.Description.Width;
int h = tex.Description.Height;
var textureCopy = new Texture2D(device, new Texture2DDescription
{
Width = w,
Height = h,
MipLevels = tex.Description.MipLevels,
ArraySize = 1,
Format = SharpDX.DXGI.Format.R8G8B8A8_UNorm,
Usage = ResourceUsage.Staging,
SampleDescription = new SharpDX.DXGI.SampleDescription(1, 0),
BindFlags = BindFlags.None,
CpuAccessFlags = CpuAccessFlags.Read,
OptionFlags = ResourceOptionFlags.None
});
DataStream dataStream;// = new DataStream(8 * tex.Description.Width * tex.Description.Height, true, true);
DeviceContext context = device.ImmediateContext;
//context.CopyResource(tex, textureCopy);
context.CopySubresourceRegion(tex, mipSlice, null, textureCopy, 0);
var dataBox = context.MapSubresource(
textureCopy,
mipSlice,
0,
MapMode.Read,
SharpDX.Direct3D11.MapFlags.None,
out dataStream);
//int bytesize = w * h * 4;
//byte[] pixels = new byte[bytesize];
//dataStream.Read(pixels, 0, bytesize);
//dataStream.Position = 0;
var dataRectangle = new DataRectangle
{
DataPointer = dataStream.DataPointer,
Pitch = dataBox.RowPitch
};
ImagingFactory wicf = new ImagingFactory();
var b = new SharpDX.WIC.Bitmap(wicf, w, h, SharpDX.WIC.PixelFormat.Format32bppBGRA, dataRectangle);
var s = new MemoryStream();
using (var bitmapEncoder = new PngBitmapEncoder(wicf, s))
{
using (var bitmapFrameEncode = new BitmapFrameEncode(bitmapEncoder))
{
bitmapFrameEncode.Initialize();
bitmapFrameEncode.SetSize(b.Size.Width, b.Size.Height);
var pixelFormat = PixelFormat.FormatDontCare;
bitmapFrameEncode.SetPixelFormat(ref pixelFormat);
bitmapFrameEncode.WriteSource(b);
bitmapFrameEncode.Commit();
bitmapEncoder.Commit();
}
}
context.UnmapSubresource(textureCopy, 0);
textureCopy.Dispose();
b.Dispose();
s.Position = 0;
var bmp = new System.Drawing.Bitmap(s);
//Palette pal = new Palette(wf);
//b.CopyPalette(pal);
//byte[] pixels = new byte[w * h * 4];
//b.CopyPixels(pixels, w * 4);
//GCHandle handle = GCHandle.Alloc(pixels, GCHandleType.Pinned);
//var hptr = handle.AddrOfPinnedObject();
//System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(w, h, w * 4, System.Drawing.Imaging.PixelFormat.Format32bppArgb, hptr);
//handle.Free();
//System.Threading.Thread.Sleep(1000);
//System.Drawing.Bitmap bmp = new System.Drawing.Bitmap(w, h, System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
//System.Drawing.Imaging.BitmapData data = bmp.LockBits(
// new System.Drawing.Rectangle(System.Drawing.Point.Empty, bmp.Size),
// System.Drawing.Imaging.ImageLockMode.WriteOnly,
// System.Drawing.Imaging.PixelFormat.Format32bppPArgb);
////b.CopyPixels(Int32Rect.Empty, data.Scan0, data.Height * data.Stride, data.Stride);
//b.CopyPixels(data.Stride, data.Scan0, data.Height * data.Stride);
//bmp.UnlockBits(data);
var c1 = bmp.GetPixel(10, 2);
//dataStream.Dispose();
return(bmp);
}
public async Task <System.IO.MemoryStream> RenderLabelToStream(
float imageWidth,
float imageHeight,
Color4 foregroundColor,
Vector2 origin,
TextLayout textLayout,
float dpi = DEFAULT_DPI,
SharpDX.DXGI.Format format = SharpDX.DXGI.Format.B8G8R8A8_UNorm,
SharpDX.Direct2D1.AlphaMode alpha = AlphaMode.Premultiplied)
{
// Get stream
var pngStream = new MemoryStream();
using (var renderTarget = RenderLabel(
imageWidth,
imageHeight,
foregroundColor,
origin,
textLayout,
dpi,
format,
alpha))
{
pngStream.Position = 0;
// Create a WIC outputstream
using (var wicStream = new WICStream(FactoryImaging, pngStream))
{
var size = renderTarget.PixelSize;
// Initialize a Png encoder with this stream
using (var wicBitmapEncoder = new PngBitmapEncoder(FactoryImaging, wicStream))
{
// Create a Frame encoder
using (var wicFrameEncoder = new BitmapFrameEncode(wicBitmapEncoder))
{
wicFrameEncoder.Initialize();
// Create image encoder
ImageEncoder wicImageEncoder;
ImagingFactory2 factory2 = new ImagingFactory2();
wicImageEncoder = new ImageEncoder(factory2, D2DDevice);
var imgParams = new ImageParameters();
imgParams.PixelFormat =
new SharpDX.Direct2D1.PixelFormat(SharpDX.DXGI.Format.B8G8R8A8_UNorm,
AlphaMode.Premultiplied);
imgParams.PixelHeight = (int)size.Height;
imgParams.PixelWidth = (int)size.Width;
wicImageEncoder.WriteFrame(renderTarget, wicFrameEncoder, imgParams);
//// Commit changes
wicFrameEncoder.Commit();
wicBitmapEncoder.Commit();
byte[] buffer = new byte[pngStream.Length];
pngStream.Position = 0;
await pngStream.ReadAsync(buffer, 0, (int)pngStream.Length);
}
}
}
}
return(pngStream);
}