private void DrawHtml(FRPaintEventArgs e)
{
using (var container = new HtmlContainer())
{
var state = e.Graphics.Save();
try
{
e.Graphics.ScaleTransform(e.ScaleX, e.ScaleY);
container.Location = new PointF(AbsLeft, AbsTop);
container.MaxSize = new SizeF(Width, Height);
container.AvoidAsyncImagesLoading = true;
container.AvoidImagesLateLoading = true;
container.UseGdiPlusTextRendering = true;
//if (stylesheetLoad != null)
// container.StylesheetLoad += stylesheetLoad;
//if (imageLoad != null)
// container.ImageLoad += imageLoad;
container.SetHtml(Text, null /*cssData*/);
container.PerformLayout(e.Graphics);
container.PerformPaint(e.Graphics);
//actualSize = container.ActualSize;
}
finally
{
e.Graphics.Restore(state);
}
}
}
public override void Render(DrawingContext context)
{
context.FillRectangle(Background, new Rect(RenderSize));
if (BorderThickness != new Thickness(0) && BorderBrush != null)
{
var brush = new SolidColorBrush(Colors.Black);
if (BorderThickness.Top > 0)
{
context.FillRectangle(brush, new Rect(0, 0, RenderSize.Width, BorderThickness.Top));
}
if (BorderThickness.Bottom > 0)
{
context.FillRectangle(brush, new Rect(0, RenderSize.Height - BorderThickness.Bottom, RenderSize.Width, BorderThickness.Bottom));
}
if (BorderThickness.Left > 0)
{
context.FillRectangle(brush, new Rect(0, 0, BorderThickness.Left, RenderSize.Height));
}
if (BorderThickness.Right > 0)
{
context.FillRectangle(brush, new Rect(RenderSize.Width - BorderThickness.Right, 0, BorderThickness.Right, RenderSize.Height));
}
}
var htmlWidth = HtmlWidth(RenderSize);
var htmlHeight = HtmlHeight(RenderSize);
if (_htmlContainer != null && htmlWidth > 0 && htmlHeight > 0)
{
/*
* //TODO: Revert antialiasing fixes
* var windows = Window.GetWindow(this);
* if (windows != null)
* {
* // adjust render location to round point so we won't get anti-alias smugness
* var wPoint = TranslatePoint(new Point(0, 0), windows);
* wPoint.Offset(-(int)wPoint.X, -(int)wPoint.Y);
* var xTrans = wPoint.X < .5 ? -wPoint.X : 1 - wPoint.X;
* var yTrans = wPoint.Y < .5 ? -wPoint.Y : 1 - wPoint.Y;
* context.PushTransform(new TranslateTransform(xTrans, yTrans));
* }*/
using (context.PushClip(new Rect(Padding.Left + BorderThickness.Left, Padding.Top + BorderThickness.Top,
htmlWidth, (int)htmlHeight)))
{
_htmlContainer.Location = new Point(Padding.Left + BorderThickness.Left,
Padding.Top + BorderThickness.Top);
_htmlContainer.PerformPaint(context,
new Rect(Padding.Left + BorderThickness.Left, Padding.Top + BorderThickness.Top, htmlWidth,
htmlHeight));
}
if (!_lastScrollOffset.Equals(_htmlContainer.ScrollOffset))
{
_lastScrollOffset = _htmlContainer.ScrollOffset;
InvokeMouseMove();
}
}
}
protected override void PaintContentSurface(Graphics g)
{
base.PaintContentSurface(g);
if (_htmlContainer != null)
{
_htmlContainer.ScrollOffset = new Point(ContentSurface.Left + Padding.Left - HorizontalScroll.Value, ContentSurface.Top + Padding.Top - VerticalScroll.Value);
_htmlContainer.PerformPaint(g);
if (!_lastScrollOffset.Equals(_htmlContainer.ScrollOffset))
{
_lastScrollOffset = _htmlContainer.ScrollOffset;
InvokeMouseMove();
}
}
}
void CreateBitmap()
{
int width = (int)m_WidthSlider.Value;
m_HtmlContainer.MaxSize = new Size(width, 0);
using (Graphics g = Graphics.CreateDefaultGraphics())
{
m_HtmlContainer.PerformLayout(g);
int height = (int)m_HtmlContainer.ActualSize.Height;
if (m_Image != null &&
m_Image.PixelSize != new SizeI(width, height))
{
m_Image.Dispose();
m_Image = null;
}
if (!m_HtmlContainer.ActualSize.IsEmpty)
{
if (m_Image == null)
{
m_Image = new Bitmap(width, height);//m_HtmlContainer.ActualSize.ToSizeI());
}
using (Graphics graphics = Graphics.FromImage(m_Image))
{
if (m_FillBackground.IsChecked)
{
graphics.Clear(Color.FromArgb(128, Color.White));
}
else
{
graphics.Clear(Color.Empty);//Transparent);
}
m_HtmlContainer.ScrollOffset = Point.Zero;
#if !SILVERLIGHT
graphics.TextRenderingHint = m_AntiAliasText.IsChecked ? TextRenderingHint.AntiAliasGridFit : TextRenderingHint.Default;
#endif
m_HtmlContainer.PerformPaint(graphics);
}
m_ImagePanel.Size = m_Image.PixelSize;
}
}
}
/// <summary>
/// Used to execute performance test run for memory profiler so the form is not loaded,
/// only html container is working.
/// </summary>
public static void Run(bool layout, bool paint)
{
try
{
LoadRunSamples();
var htmlContainer = new HtmlContainer();
htmlContainer.MaxSize = new SizeF(800, 0);
GC.Collect();
Thread.Sleep(3000);
using (var img = new Bitmap(1, 1))
using (var g = Graphics.FromImage(img))
{
for (int i = 0; i < Iterations; i++)
{
foreach (var html in _perfTestSamples)
{
htmlContainer.SetResourceServerAsync(new WinFormsDemoResourceServer(html));
if (layout)
{
htmlContainer.PerformLayout(g);
}
if (paint)
{
htmlContainer.PerformPaint(g);
}
}
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.ToString(), "Error");
}
}
static void Main()
{
using (var bitmap = new Bitmap(300, 200, PixelFormat.Format24bppRgb))
{
using (var graphics = Graphics.FromImage(bitmap))
{
graphics.Clear(Color.Black);
graphics.DrawLine(Pens.Fuchsia, 0,0,300,200);
TextRenderer.DrawText(graphics, "TEST", new Font("Arial", 20), new Point(0, 0), Color.FromArgb(50, 0, 255, 0),Color.White);
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.PixelOffsetMode = PixelOffsetMode.HighQuality;
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.TextRenderingHint = TextRenderingHint.ClearTypeGridFit;
using (var htmlContainer = new HtmlContainer())
{
htmlContainer.TextRenderingMethod = TextRenderingMethod.Gdi;
htmlContainer.AvoidGeometryAntialias = false;
htmlContainer.SetHtml(File.ReadAllText(@"c:\source\html.txt"));
htmlContainer.MaxSize = new SizeF(bitmap.Width, bitmap.Height);
htmlContainer.PerformLayout(graphics);
htmlContainer.PerformPaint(graphics);
}
}
bitmap.Save(@"c:\source\test.png");
}
return;
Application.EnableVisualStyles();
Application.SetCompatibleTextRenderingDefault(false);
Application.Run(new DemoForm());
// Application.Run(new PerfForm());
// ObfuscateHtml();
}
static void Main(string[] args)
{
SDL2.SDL2_CS_libs_bundle.Init();
InitSDL2();
var window = SDL.SDL_CreateWindow("HtmlRenderer.SDL2-CS.Demo", SDL.SDL_WINDOWPOS_UNDEFINED, SDL.SDL_WINDOWPOS_UNDEFINED,
640, 480, SDL.SDL_WindowFlags.SDL_WINDOW_SHOWN | SDL.SDL_WindowFlags.SDL_WINDOW_RESIZABLE);
if (!window.ShowSDLError("Window could not be created!"))
{
Console.WriteLine("Window created!");
}
var renderer = SDL.SDL_CreateRenderer(window, -1, SDL.SDL_RendererFlags.SDL_RENDERER_ACCELERATED);
renderer.ShowSDLError("Renderer could not be created!");
using (var hc = new HtmlContainer(renderer,
fm_font_directory: "fonts", fm_serif: "PT Serif", fm_sans_serif: "PT Sans", fm_monospace: "PT Mono"))
{
//fm_font_directory: @"C:\Windows\Fonts\", fm_serif: "Segoe UI", fm_sans_serif: "Arial", fm_monospace: "Lucida Console");
//string html_text = System.IO.File.ReadAllText(@"../../../HTML-Renderer/Source/Demo/Common/Samples/02.Text.htm");
//string html_tables = System.IO.File.ReadAllText(@"../../../HTML-Renderer/Source/Demo/Common/TestSamples/13.Tables.htm");
//string html_file = @"../../html/test.html";
//string html_dir = "html/";
string html_file = @"../../../HTML-Renderer/Source/Demo/Common/Samples/02.Text.htm";
string html_dir = @"../../../HTML-Renderer/Source/Demo/Common/Samples/";
hc.SetHtml(System.IO.File.ReadAllText(html_file), html_dir);
//hc.SetHtml(html_text);
//hc.SetHtml(html_tables);
bool exit = false;
int i = 0;
while (!exit)
{
while (SDL.SDL_PollEvent(out SDL.SDL_Event e) == 1)
{
switch (e.type)
{
case SDL.SDL_EventType.SDL_QUIT:
exit = true;
break;
case SDL.SDL_EventType.SDL_KEYDOWN:
switch (e.key.keysym.scancode)
{
case SDL.SDL_Scancode.SDL_SCANCODE_F5:
Console.WriteLine("F5 - reload {0}", html_file);
hc.SetHtml(System.IO.File.ReadAllText(html_file), html_dir);
break;
case SDL.SDL_Scancode.SDL_SCANCODE_ESCAPE:
exit = true;
break;
}
break;
case SDL.SDL_EventType.SDL_MOUSEMOTION:
hc.HandleMouseMove(e.motion);
break;
case SDL.SDL_EventType.SDL_MOUSEBUTTONDOWN:
hc.HandleMouseDown(e.button);
break;
case SDL.SDL_EventType.SDL_MOUSEBUTTONUP:
hc.HandleMouseUp(e.button);
break;
}
}
hc.MaxSize = hc.adapter.GetRendererRect().ToRSize();
/*
* var el = hc.document.getElementById("text");
* el.style["height"] = "" + i + "px";
* el.style["width"] = "" + i + "px";
* el.innerHTML = "" + i;
*/
hc.PerformLayout();
hc.PerformPaint();
SDL.SDL_RenderPresent(renderer);
SDL.SDL_Delay(50);
i++;
}
}
QuitSDL2();
}