protected override void Apply(TextLayout layout, bool enable, int slice)
{
var res = layout.SetFontStyle(this.style[slice], new TextRange(ffrom[slice], fto[slice]));
layout.SetFontWeight(this.w[slice], new TextRange(ffrom[slice], fto[slice]));
layout.SetFontStretch(this.s[slice], new TextRange(ffrom[slice], fto[slice]));
}
public D2D_TextElements CreateNewTextElements(UText t)
{
var textLayout = new TextLayout(dwFact, t.text, new TextFormat(
dwFact,
t.font.name,
t.font.bold ? FontWeight.Bold : FontWeight.Normal,
t.font.italic ? FontStyle.Italic : FontStyle.Normal,
TranslateFontSize(t.font.size))
{
ParagraphAlignment = Translate(t.valign),
TextAlignment = Translate(t.halign),
WordWrapping = t.wrapped ? WordWrapping.Wrap : WordWrapping.NoWrap
}, t.width, t.height);
// Set font ranges... textLayout just created, dont worry about any leftover ranges.
foreach (var sr in t.SafeGetStyleRanges)
{
var tr = new TextRange(sr.start, sr.length);
if (sr.fontOverride != null)
{
UFont ft = (UFont)sr.fontOverride;
textLayout.SetFontFamilyName(ft.name, tr);
textLayout.SetFontSize(TranslateFontSize(ft.size), tr);
textLayout.SetFontStyle(ft.italic ? FontStyle.Italic : FontStyle.Normal, tr);
textLayout.SetFontWeight(ft.bold ? FontWeight.Bold : FontWeight.Normal, tr);
}
if (sr.fgOverride != null || sr.bgOverride != null)
{
ClientTextEffect cte = new ClientTextEffect();
if (sr.fgOverride != null)
{
cte.fgBrush = CreateBrush(sr.fgOverride);
}
if (sr.bgOverride != null)
{
cte.bgBrush = CreateBrush(sr.bgOverride);
}
textLayout.SetDrawingEffect(cte, tr);
}
}
// Set renderer with a default brush
var def = new USolidBrush()
{
color = new Color(0)
};
var textRenderer = new D2D_ClientTextRenderer(realRenderer.renderTarget, new ClientTextEffect()
{
fgBrush = CreateBrush(def)
});
var ret = new D2D_TextElements(textLayout, textRenderer);
realRenderer.renderTarget.Disposed += new EventHandler <EventArgs>((o, e) => t.Invalidate());
return(ret);
}
int DrawLinePortion(Context cr, ChunkStyle style, TextLayout layout, DocumentLine line, int visualOffset, int logicalLength)
{
int logicalColumn = line.GetLogicalColumn(editor, visualOffset);
int logicalEndColumn = logicalColumn + logicalLength;
int visualEndOffset = line.GetVisualColumn(editor, logicalEndColumn);
int visualLength = visualEndOffset - visualOffset;
int indexOffset = visualOffset - 1;
layout.SetFontStyle(style.FontStyle, indexOffset, visualLength);
layout.SetFontWeight(style.FontWeight, indexOffset, visualLength);
if (style.Underline)
{
layout.SetUnderline(indexOffset, visualLength);
}
layout.SetForeground(style.Foreground, indexOffset, visualLength);
return(visualEndOffset);
}
/// <summary>
/// 取得字符对应的宽度
/// </summary>
/// <param name="character"></param>
/// <returns></returns>
private float GetCharacterWidth(Character character)
{
DWriteFactory dwFactory = new DWriteFactory(SharpDX.DirectWrite.FactoryType.Shared);
Vector2 offset = new Vector2(0.0f, 0.0f);
TextFormat textFormat = new TextFormat(dwFactory,
character.font.FontFamily.Name,
character.font.Bold ? SharpDX.DirectWrite.FontWeight.Bold : SharpDX.DirectWrite.FontWeight.Regular,
character.font.Italic ? SharpDX.DirectWrite.FontStyle.Italic : SharpDX.DirectWrite.FontStyle.Normal,
character.font.Size);
TextLayout textLayout = new TextLayout(dwFactory,
"好" + character.content,
textFormat,
this.pageWidth,
this.pageHeight);
textLayout.SetUnderline(character.font.Underline, new TextRange(0, character.content.Length));
textLayout.SetFontStyle(character.font.Italic ? FontStyle.Italic : FontStyle.Normal, new TextRange(0, character.content.Length));
textLayout.SetFontWeight(character.font.Bold ? FontWeight.Bold : FontWeight.Normal, new TextRange(0, character.content.Length));
ClusterMetrics[] clusterMetrics = textLayout.GetClusterMetrics();
float result = 0.0f;
float prefixCharWidth = clusterMetrics[0].Width;
foreach (ClusterMetrics v in clusterMetrics)
{
result += v.Width;
}
dwFactory.Dispose();
textFormat.Dispose();
textLayout.Dispose();
dwFactory = null;
textFormat = null;
textLayout = null;
return(result - prefixCharWidth);
}
public virtual void Texts(Xwt.Drawing.Context ctx, double x, double y)
{
ctx.Save();
ctx.Translate(x, y);
ctx.SetColor(Colors.Black);
var col1 = new Rectangle();
var col2 = new Rectangle();
var text = new TextLayout();
text.Font = this.Font.WithSize(24);
Console.WriteLine(text.Font.Size);
// first text
text.Text = "Lorem ipsum dolor sit amet,";
var size1 = text.GetSize();
col1.Width = size1.Width;
col1.Height += size1.Height + 10;
ctx.DrawTextLayout(text, 0, 0);
// proofing width; test should align with text above
ctx.SetColor(Colors.DarkMagenta);
text.Text = "consetetur sadipscing elitr, sed diam nonumy";
text.Width = col1.Width;
var size2 = text.GetSize();
ctx.DrawTextLayout(text, 0, col1.Bottom);
col1.Height += size2.Height + 10;
ctx.SetColor(Colors.Black);
// proofing scale, on second col
ctx.Save();
ctx.SetColor(Colors.Red);
col2.Left = col1.Right + 10;
text.Text = "eirmod tempor invidunt ut.";
var scale = 1.2;
text.Width = text.Width / scale;
var size3 = text.GetSize();
col2.Height = size3.Height * scale;
col2.Width = size3.Width * scale + 5;
ctx.Scale(scale, scale);
ctx.DrawTextLayout(text, col2.Left / scale, col2.Top / scale);
ctx.Restore();
// proofing heigth, on second col
ctx.Save();
ctx.SetColor(Colors.DarkCyan);
text.Text = "Praesent ac lacus nec dolor pulvinar feugiat a id elit.";
var size4 = text.GetSize();
text.Height = size4.Height / 2;
text.Trimming = TextTrimming.WordElipsis;
ctx.DrawTextLayout(text, col2.Left, col2.Bottom + 5);
ctx.SetLineWidth(1);
ctx.SetColor(Colors.Blue);
ctx.Rectangle(new Rectangle(col2.Left, col2.Bottom + 5, text.Width, text.Height));
ctx.Stroke();
ctx.Restore();
// drawing col line
ctx.SetLineWidth(1);
ctx.SetColor(Colors.Black.WithAlpha(.5));
ctx.MoveTo(col1.Right + 5, col1.Top);
ctx.LineTo(col1.Right + 5, col1.Bottom);
ctx.Stroke();
ctx.MoveTo(col2.Right + 5, col2.Top);
ctx.LineTo(col2.Right + 5, col2.Bottom);
ctx.Stroke();
ctx.SetColor(Colors.Black);
// proofing rotate, and printing size to see the values
ctx.Save();
text.Font = this.Font.WithSize(10);
text.Text = string.Format("Size 1 {0}\r\nSize 2 {1}\r\nSize 3 {2} Scale {3}",
size1, size2, size3, scale);
text.Width = -1; // this clears textsize
text.Height = -1;
ctx.Rotate(5);
// maybe someone knows a formula with angle and textsize to calculyte ty
var ty = 30;
ctx.DrawTextLayout(text, ty, col1.Bottom + 10);
ctx.Restore();
// scale example here:
ctx.Restore();
TextLayout tl0 = new TextLayout(this);
tl0.Font = this.Font.WithSize(10);
tl0.Text = "This text contains attributes.";
tl0.SetUnderline(0, "This".Length);
tl0.SetForeground(new Color(0, 1.0, 1.0), "This ".Length, "text".Length);
tl0.SetBackground(new Color(0, 0, 0), "This ".Length, "text".Length);
tl0.SetFontWeight(FontWeight.Bold, "This text ".Length, "contains".Length);
tl0.SetFontStyle(FontStyle.Italic, "This text ".Length, "contains".Length);
tl0.SetStrikethrough("This text contains ".Length, "attributes".Length);
ctx.DrawTextLayout(tl0, col2.Left, col2.Bottom + 100);
// Text boces
y = 180;
// Without wrapping
TextLayout tl = new TextLayout(this);
tl.Text = "Stright text";
DrawText(ctx, tl, ref y);
// With wrapping
tl = new TextLayout(this);
tl.Text = "The quick brown fox jumps over the lazy dog";
tl.Width = 100;
DrawText(ctx, tl, ref y);
// With blank lines
tl = new TextLayout(this);
tl.Text = "\nEmpty line above\nLine break above\n\nEmpty line above\n\n\nTwo empty lines above\nEmpty line below\n";
tl.Width = 200;
DrawText(ctx, tl, ref y);
}
public override BuiltRichText BuildText(IList <RichTextNode> nodes, int width, float sizeMultiplier = 1)
{
var paragraphs = new List <List <RichTextNode> >();
paragraphs.Add(new List <RichTextNode>());
int first = 0;
while (nodes[first] is RichTextParagraphNode && first < nodes.Count)
{
first++;
}
DWrite.TextAlignment ta = CastAlignment((nodes[first] as RichTextTextNode).Alignment);
paragraphs[paragraphs.Count - 1].Add(nodes[first]);
foreach (var node in nodes.Skip(first + 1))
{
if (node is RichTextParagraphNode)
{
paragraphs.Add(new List <RichTextNode>());
}
else
{
var n = (RichTextTextNode)node;
var align = CastAlignment(n.Alignment);
if (align != ta && paragraphs[paragraphs.Count - 1].Count > 0)
{
paragraphs.Add(new List <RichTextNode>());
}
paragraphs[paragraphs.Count - 1].Add(node);
ta = align;
}
}
string lastFont = null;
float lastSize = 0;
//Format text
var layouts = new List <TextLayout>();
for (int j = 0; j < paragraphs.Count; j++)
{
var p = paragraphs[j];
var builder = new StringBuilder();
foreach (var n in p)
{
builder.Append(((RichTextTextNode)n).Contents);
}
var layout = new TextLayout(
dwFactory,
builder.ToString(),
new TextFormat(
dwFactory,
string.IsNullOrEmpty(lastFont) ? "Arial" : lastFont,
lastSize > 0 ? lastSize : 12
),
width,
float.MaxValue
);
if (p.Count > 0)
{
layout.TextAlignment = CastAlignment(((RichTextTextNode)p[0]).Alignment);
}
int startIdx = 0;
foreach (var n in p)
{
var text = (RichTextTextNode)n;
var range = new TextRange(startIdx, text.Contents.Length);
if (text.Bold)
{
layout.SetFontWeight(FontWeight.Bold, range);
}
if (text.Italic)
{
layout.SetFontStyle(FontStyle.Italic, range);
}
if (text.Underline)
{
layout.SetUnderline(true, range);
}
if (!string.IsNullOrEmpty(text.FontName))
{
layout.SetFontFamilyName(text.FontName, range);
lastFont = text.FontName;
}
if (text.FontSize > 0)
{
layout.SetFontSize(text.FontSize, range);
lastSize = text.FontSize;
}
layout.SetDrawingEffect(new ColorDrawingEffect(text.Color), range);
startIdx += text.Contents.Length;
}
layouts.Add(layout);
}
//Return
var built = new DirectWriteBuiltText(this)
{
Layout = layouts, Width = width
};
built.CacheQuads();
return(built);
}
public void DrawMessages()
{
if (msgs.Count == 0)
{
return;
}
lastText = text;
text = "";
foreach (OSDMessage msg in msgs)
{
text += msg.msg + "\r\n";
}
text = text.Trim();
if (text == "")
{
return;
}
if (lastText == text && !requiresUpdate)
{
msgs.Clear(); Draw(); return;
}
Utilities.Dispose(ref layout);
if (brushes.Count > 0)
{
foreach (var brush in brushes)
{
SolidColorBrush tmp = brush;
Utilities.Dispose(ref tmp);
}
brushes = new List <SolidColorBrush>();
}
layout = new TextLayout(renderer.factoryWrite, text, format, hookViewport ? renderer.GetViewport.Width : renderer.HookControl.Width, hookViewport ? renderer.GetViewport.Height : renderer.HookControl.Height);
// Fix Styling
int curPos = 0;
foreach (OSDMessage msg in msgs)
{
if (msg.styles == null)
{
curPos += msg.msg.Length + 2; continue;
}
foreach (SubStyle style in msg.styles)
{
switch (style.style)
{
case SubStyles.BOLD:
layout.SetFontWeight(FontWeight.Bold, new TextRange(curPos + style.from, style.len));
break;
case SubStyles.ITALIC:
layout.SetFontStyle(FontStyle.Italic, new TextRange(curPos + style.from, style.len));
break;
case SubStyles.UNDERLINE:
layout.SetUnderline(true, new TextRange(curPos + style.from, style.len));
break;
case SubStyles.STRIKEOUT:
layout.SetStrikethrough(true, new TextRange(curPos + style.from, style.len));
break;
case SubStyles.COLOR:
SolidColorBrush brush2dtmp = new SolidColorBrush(renderer.rtv2d, (Color)style.value);
brushes.Add(brush2dtmp);
layout.SetDrawingEffect(brush2dtmp.NativePointer, new TextRange(curPos + style.from, style.len));
break;
}
}
curPos += msg.msg.Length + 2;
}
CreateRectangle();
msgs.Clear();
Draw();
requiresUpdate = false;
}
/// <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;
}
}
protected override void Apply(TextLayout layout, bool enable, int slice)
{
var res = layout.SetFontStyle(this.style[slice], new TextRange(ffrom[slice], fto[slice]));
layout.SetFontWeight(this.w[slice], new TextRange(ffrom[slice], fto[slice]));
layout.SetFontStretch(this.s[slice], new TextRange(ffrom[slice], fto[slice]));
}
protected override void DoApply(TextLayout layout, TextRange range)
{
layout.SetFontStyle(this.Style, range);
}
protected override void DoApply(TextLayout layout, TextRange range)
{
layout.SetFontStyle(this.Style, range);
}
