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Problems when scaling TableNode (Read 4266 times)

caseopeia

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Problems when scaling TableNode
Aug 24^th, 2009 at 10:27am

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Problems when scaling TableNode

Dear Users, hello Stoyo (are you out there?)

below you can three pictures of the same node in the tree with different scaling:
* Picture 1: 100%
* Picture 2: 90%
* Picture 3: 110%

As you can see, I have problems in displaying: in one case I loose my Spaces, in the other case the text is extended in the next column.
For generating I use a own node derived from ContainerNode inside with a TableNode. I do not set any widths of the TableNode, the size is determined through the surrounding ContainerNode.
ResizeToFitText of TableNode is set to: tableNode.ResizeToFitText(true, false);

Can you give be advices or hints or do you have ideas how to solve this problem?

Greetings from Germany!

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Meppy God Member Offline MindFusion support Posts: 1783 Joined: Jul 20^th, 2005	Re: Problems when scaling TableNode Reply #1 - Aug 25^th, 2009 at 7:27am	Print Post
	Hi, I am trying to reproduce this bug here with no luck. What version of the control you are using? If you are using the latest version, is there a possibility to supply me with a sample illustrating the bug? Send the sample to meppy@mindfusion.eu. Regards, Meppy


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caseopeia YaBB Newbies Offline I love YaBB 1G - SP1! Posts: 17 Joined: Apr 8^th, 2009	Re: Problems when scaling TableNode Reply #2 - Aug 25^th, 2009 at 9:25am	Print Post
	Hello, I am using the latest version 5.3.1 - I will try to create a downstripped sample. Please be patient for a short time. I will post the sample here. Sincerly, Dirk.


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caseopeia

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Re: Problems when scaling TableNode
Reply #3 - Aug 26^th, 2009 at 9:09am

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Hello,

here is some demo code and the resulting problems for me as screeenshots:

Code

            ContainerNode node              = new ContainerNode(diagram1);
            node.Bounds                     = new RectangleF(100, 100, 100, 30);
            node.AnchorPattern              = AnchorPattern.TopInBottomOut;
            node.Obstacle                   = true;
            diagram1.Nodes.Add(node);

            RectangleF r                    = node.GetBounds();
            RectangleF rnew                 = new RectangleF(r.X, r.Y + r.Height + node.Margin, 0, 0);
            TableNode tableNode             = diagram1.Factory.CreateTableNode(rnew);
            tableNode.Style                 = TableStyle.Rectangle;
            tableNode.CaptionHeight         = 5;
            tableNode.CaptionFormat.Alignment = StringAlignment.Near;
            tableNode.HandlesStyle          = MindFusion.Diagramming.HandlesStyle.Custom;
            tableNode.Caption               = "<b><u>Prozessschritte:</b></u>";
            tableNode.Font                  = new Font("Arial", (float)3, GraphicsUnit.World);
            tableNode.Brush                 = new MindFusion.Drawing.SolidBrush(Color.White);
            tableNode.CellFrameStyle        = CellFrameStyle.Simple;
            tableNode.EnableStyledText      = true;
            tableNode.TextColor             = Color.Black;
            tableNode.ShadowOffsetX         = 0;
            tableNode.ShadowOffsetY         = 0;
            tableNode.AllowIncomingLinks    = false;
            tableNode.AllowOutgoingLinks    = false;

            #region *** Data
            tableNode.RedimTable(4, 3);
            tableNode.Columns[3].ColumnStyle = MindFusion.Diagramming.ColumnStyle.AutoWidth;
            tableNode[0, 0].Text            = "Name";
            tableNode[1, 0].Text            = "Typ";
            tableNode[2, 0].Text            = "[min]";
            tableNode[3, 0].Text            = "St";
            tableNode[3, 0].TextFormat.Alignment = StringAlignment.Center;

            tableNode[0, 1].Text            = "Schrankgestell Large 1410265DTMT";
            tableNode[1, 1].Text            = "1410265";
            tableNode[2, 1].Text            = "30,00";
            tableNode[3, 1].Image           = new Bitmap("C:\\tls\\TLS.PPT\\trunk\\src\\TLS.PPT.Gui.AppFramework\\Resources\\Images\\green.png");
            tableNode[3, 1].ImageAlign      = MindFusion.Drawing.ImageAlign.Center;

            tableNode[0, 2].Text            = "Netzteil QT-20 3X380-480/24VDC/20A1356387 Puls";
            tableNode[1, 2].Text            = "1356387";
            tableNode[2, 2].Text            = "20,00";
            tableNode[3, 2].Image           = new Bitmap("C:\\tls\\TLS.PPT\\trunk\\src\\TLS.PPT.Gui.AppFramework\\Resources\\Images\\green.png");
            tableNode[3, 2].ImageAlign      = MindFusion.Drawing.ImageAlign.Center;
            #endregion

            tableNode.ResizeToFitText(true, false);

            RectangleF rect = tableNode.Bounds;
            if (rect.Width < 100)
            {
                rect.Width = 100;
            }
            tableNode.Bounds = rect;

            node.Add(tableNode);

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Problems when scaling TableNode Reply #4 - Aug 26^th, 2009 at 2:46pm	Print Post
	Hi, This version fixes the text measure problems: https://mindfusion.eu/_beta/fcnet532.zip I hope that helps, Stoyan


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caseopeia

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Re: Problems when scaling TableNode
Reply #5 - Aug 27^th, 2009 at 8:31am

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Hello and thank you for the short responding time!

I tried the version, the problem I described is solved, but now there is a new one, part of the strings are lost when zooming. The spaces are kept now.
Other thing, perpaps interessing for you: (I know V5.32 is a dev version) the performance of V5.32 is really slow.

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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Problems when scaling TableNode Reply #6 - Aug 27^th, 2009 at 9:14am	Print Post
	Hi, The original problem happens because fonts do not scale uniformly with the ScaleTransform applied to implement ZoomFactor. GDI+ chooses the nearest font size for which there are glyphs defined in the font file, and when you use styled text, the word positions calculated at 100% zoom must be recalculated at different zoom levels in order to preserve the space sizes. Now this updated version calculates the text layout for all items when you zoom in our out, so perhaps that's why you see some delay. If you do not need styled text, you could just set the tables' EnableStyledText = false and the text will be rendered with a single call to Graphics.DrawString; this should preserve both the text layout and space sizes. Stoyan


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caseopeia YaBB Newbies Offline I love YaBB 1G - SP1! Posts: 17 Joined: Apr 8^th, 2009	Re: Problems when scaling TableNode Reply #7 - Aug 27^th, 2009 at 10:30am	Print Post
	Hello, thank you for the description of the problems background! Setting Code tableNode.EnableStyledText = false; seems to solve my problem.


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