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Render different images at different zoom levels? (Read 3476 times)

chadbr YaBB Newbies Offline Posts: 9 Joined: Jun 21^st, 2006	Render different images at different zoom levels? Jun 21^st, 2006 at 7:33pm	Print Post
	Is there any way to have the control render different images at different zoom levels? Or render vector graphics instead of bitmap graphics? We have great looking graphics for standard zoom level - but when you zoom in or out too far the bitmaps become distorted or jagged. Thanks for any suggestions... Chad


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Render different images at different zoom leve Reply #1 - Jun 22^nd, 2006 at 5:44am	Print Post
	Handle the ZoomFactorChanged event and load the images corresponding to the new ZoomFactor value, or try using WMF images to render vector graphics. Stoyan


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chadbr YaBB Newbies Offline Posts: 9 Joined: Jun 21^st, 2006	Re: Render different images at different zoom leve Reply #2 - Jun 22^nd, 2006 at 12:41pm	Print Post
	We tried WMF images a while back - they just got converted to bitmaps. We'll give the ZoomFactorChanged a try... Are there any plans to handle any other formats? Thanks, Chad


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Stoyo God Member Offline MindFusion support Posts: 13230 Joined: Jul 20^th, 2005	Re: Render different images at different zoom leve Reply #3 - Jun 22^nd, 2006 at 3:34pm	Print Post
	The metafiles should work nice as vector graphics the first time you load them. I think the WMF images might be converted to bitmaps if you save a diagram and reload it back if there isn't a WMF image encoder provided with .NET. FlowChart.NET does not encode or decode images by itself, it relies on the .NET GDI+ encoders and decoders. If FlowChart.NET cannot encode an image back to the original format of the image, it will default to PNG. As a work-around you might reload the metafiles after loading a diagram. Or instead of setting the Box.Image property, set the ShapeTemplate.Image - that will avoid saving/loading the images altogether. Stoyan


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