PerformLayout() public method

Measures the bounds of box and children, recursively.
public PerformLayout ( Graphics g ) : void
g System.Drawing.Graphics Device context to draw
return void
コード例 #1
0
        /// <summary>
        /// Renders the specified HTML source on the specified location and max size restriction.<br/>
        /// If <paramref name="maxSize"/>.Width is zero the html will use all the required width, otherwise it will perform line
        /// wrap as specified in the html<br/>
        /// If <paramref name="maxSize"/>.Height is zero the html will use all the required height, otherwise it will clip at the
        /// given max height not rendering the html below it.<br/>
        /// Returned is the actual width and height of the rendered html.<br/>
        /// </summary>
        /// <param name="g">Device to render with</param>
        /// <param name="html">HTML source to render</param>
        /// <param name="location">the top-left most location to start render the html at</param>
        /// <param name="maxSize">the max size of the rendered html (if height above zero it will be clipped)</param>
        /// <param name="cssData">optional: the style to use for html rendering (default - use W3 default style)</param>
        /// <param name="useGdiPlusTextRendering">true - use GDI+ text rendering, false - use GDI text rendering</param>
        /// <param name="stylesheetLoad">optional: can be used to overwrite stylesheet resolution logic</param>
        /// <param name="imageLoad">optional: can be used to overwrite image resolution logic</param>
        /// <returns>the actual size of the rendered html</returns>
        private static SizeF RenderHtml(Graphics g, string html, PointF location, SizeF maxSize, CssData cssData, bool useGdiPlusTextRendering, EventHandler <HtmlStylesheetLoadEventArgs> stylesheetLoad, EventHandler <HtmlImageLoadEventArgs> imageLoad)
        {
            SizeF actualSize = SizeF.Empty;

            if (!string.IsNullOrEmpty(html))
            {
                using (var container = new HtmlContainer())
                {
                    container.Location = location;
                    container.MaxSize  = maxSize;
                    container.AvoidAsyncImagesLoading = true;
                    container.AvoidImagesLateLoading  = true;
                    container.UseGdiPlusTextRendering = useGdiPlusTextRendering;

                    if (stylesheetLoad != null)
                    {
                        container.StylesheetLoad += stylesheetLoad;
                    }
                    if (imageLoad != null)
                    {
                        container.ImageLoad += imageLoad;
                    }

                    container.SetHtml(html, cssData);
                    container.PerformLayout(g);
                    container.PerformPaint(g);

                    actualSize = container.ActualSize;
                }
            }

            return(actualSize);
        }
コード例 #2
0
        /// <summary>
        /// On tooltip appear set the html by the associated control, layout and set the tooltip size by the html size.
        /// </summary>
        protected virtual void OnToolTipPopup(PopupEventArgs e)
        {
            //Create fragment container
            var cssClass   = string.IsNullOrEmpty(_tooltipCssClass) ? null : string.Format(" class=\"{0}\"", "yamui-tooltip");
            var toolipHtml = string.Format("<div{0}>{1}</div>", cssClass, GetToolTip(e.AssociatedControl));

            HtmlContainer.SetHtml(toolipHtml, YamuiThemeManager.BaseCssData);
            HtmlContainer.MaxSize = MaximumSize;

            //Measure size of the container
            using (var g = e.AssociatedControl.CreateGraphics()) {
                g.TextRenderingHint = _textRenderingHint;
                HtmlContainer.PerformLayout(g);
            }

            //Set the size of the tooltip
            var desiredWidth  = (int)Math.Ceiling(MaximumSize.Width > 0 ? Math.Min(HtmlContainer.ActualSize.Width, MaximumSize.Width) : HtmlContainer.ActualSize.Width);
            var desiredHeight = (int)Math.Ceiling(MaximumSize.Height > 0 ? Math.Min(HtmlContainer.ActualSize.Height, MaximumSize.Height) : HtmlContainer.ActualSize.Height);

            e.ToolTipSize = new Size(desiredWidth, desiredHeight);

#if !MONO
            // start mouse handle timer
            if (_allowLinksHandling)
            {
                _associatedControl = e.AssociatedControl;
                _linkHandlingTimer.Start();
            }
#endif
        }
コード例 #3
0
ファイル: HtmlToolTip.cs プロジェクト: massreuy/3P
        /// <summary>
        /// On tooltip appear set the html by the associated control, layout and set the tooltip size by the html size.
        /// </summary>
        protected virtual void OnToolTipPopup(PopupEventArgs e)
        {
            //Create fragment container
            HtmlContainer.SetHtml(YamuiThemeManager.WrapToolTipText(GetToolTip(e.AssociatedControl)), YamuiThemeManager.CurrentThemeCss);
            HtmlContainer.MaxSize = MaximumSize;

            //Measure size of the container
            using (var g = e.AssociatedControl.CreateGraphics()) {
                g.TextRenderingHint = _textRenderingHint;
                HtmlContainer.PerformLayout(g);
            }

            //Set the size of the tooltip
            var desiredWidth  = (int)Math.Ceiling(MaximumSize.Width > 0 ? Math.Min(HtmlContainer.ActualSize.Width, MaximumSize.Width) : HtmlContainer.ActualSize.Width);
            var desiredHeight = (int)Math.Ceiling(MaximumSize.Height > 0 ? Math.Min(HtmlContainer.ActualSize.Height, MaximumSize.Height) : HtmlContainer.ActualSize.Height);

            e.ToolTipSize = new Size(desiredWidth, desiredHeight);

#if !MONO
            // start mouse handle timer
            if (_allowLinksHandling)
            {
                _associatedControl = e.AssociatedControl;
                _linkHandlingTimer.Start();
            }
#endif
        }
コード例 #4
0
ファイル: HtmlPanel.cs プロジェクト: massreuy/3P
        /// <summary>
        /// Perform html container layout by the current panel client size.
        /// </summary>
        protected void PerformHtmlLayout()
        {
            if (_htmlContainer != null)
            {
                _htmlContainer.MaxSize = new SizeF(ClientSize.Width - Padding.Horizontal, 0);

                using (var g = CreateGraphics()) {
                    _htmlContainer.PerformLayout(g);
                }

                AutoScrollMinSize = Size.Round(new SizeF(_htmlContainer.ActualSize.Width + Padding.Horizontal, _htmlContainer.ActualSize.Height));
            }
        }
コード例 #5
0
ファイル: HtmlRender.cs プロジェクト: jcaillon/YamuiFramework
        /// <summary>
        /// Renders the specified HTML source on the specified location and max size restriction.<br/>
        /// If <paramref name="maxSize"/>.Width is zero the html will use all the required width, otherwise it will perform line 
        /// wrap as specified in the html<br/>
        /// If <paramref name="maxSize"/>.Height is zero the html will use all the required height, otherwise it will clip at the
        /// given max height not rendering the html below it.<br/>
        /// Returned is the actual width and height of the rendered html.<br/>
        /// </summary>
        /// <param name="g">Device to render with</param>
        /// <param name="html">HTML source to render</param>
        /// <param name="location">the top-left most location to start render the html at</param>
        /// <param name="maxSize">the max size of the rendered html (if height above zero it will be clipped)</param>
        /// <param name="cssData">optional: the style to use for html rendering (default - use W3 default style)</param>
        /// <param name="useGdiPlusTextRendering">true - use GDI+ text rendering, false - use GDI text rendering</param>
        /// <param name="stylesheetLoad">optional: can be used to overwrite stylesheet resolution logic</param>
        /// <param name="imageLoad">optional: can be used to overwrite image resolution logic</param>
        /// <returns>the actual size of the rendered html</returns>
        private static SizeF RenderHtml(Graphics g, string html, PointF location, SizeF maxSize, CssData cssData, bool useGdiPlusTextRendering, EventHandler<HtmlStylesheetLoadEventArgs> stylesheetLoad, EventHandler<HtmlImageLoadEventArgs> imageLoad)
        {
            SizeF actualSize = SizeF.Empty;

            if (!string.IsNullOrEmpty(html))
            {
                using (var container = new HtmlContainer())
                {
                    container.Location = location;
                    container.MaxSize = maxSize;
                    container.AvoidAsyncImagesLoading = true;
                    container.AvoidImagesLateLoading = true;
                    container.UseGdiPlusTextRendering = useGdiPlusTextRendering;

                    if (stylesheetLoad != null)
                        container.StylesheetLoad += stylesheetLoad;
                    if (imageLoad != null)
                        container.ImageLoad += imageLoad;

                    container.SetHtml(html, cssData);
                    container.PerformLayout(g);
                    container.PerformPaint(g);

                    actualSize = container.ActualSize;
                }
            }

            return actualSize;
        }