Search found 15 matches
- Thu Feb 14, 2008 7:19 am
- Forum: VCL
- Topic: TeeCreateBitmap Memory Problem - TChart
- Replies: 7
- Views: 21095
I forgot how we solved this in the end, but it is now working. We store the image as a JPEG, but for a number of users this generates an exception. In this case, the image is saved in bitmap format. We never found out what it is about the small group of users' systems that causes an exception to be ...
- Wed Dec 19, 2007 1:14 pm
- Forum: VCL
- Topic: TeeCreateBitmap Memory Problem - TChart
- Replies: 7
- Views: 21095
Hi Narcis, I think I see what the problem is. If I reduce the size of the graph, then the relative sizes of fonts, line widths etc are not resized. I think the best solution is to first reduce the size of the graphs overall and then also reduce the fonts, lines etc. I have tested this theory with th...
- Wed Dec 19, 2007 12:15 pm
- Forum: VCL
- Topic: TeeCreateBitmap Memory Problem - TChart
- Replies: 7
- Views: 21095
Hi Narcis, I am not sure how this code should look using the StretchDraw method. I would like to use a TJPEGImage object, so that it can be saved to a blob stream. I don't have a direct handle to the printing process as this is done via Crystal Reports, so using code like Printer.Canvas.StretchDraw ...
- Wed Dec 19, 2007 11:49 am
- Forum: VCL
- Topic: TeeCreateBitmap Memory Problem - TChart
- Replies: 7
- Views: 21095
- Wed Dec 19, 2007 11:16 am
- Forum: VCL
- Topic: TeeCreateBitmap Memory Problem - TChart
- Replies: 7
- Views: 21095
TeeCreateBitmap Memory Problem - TChart
Hi All, I have a problem printing TChart objects. Here is my situation: I have a C++ project in Borland Developer Studio which uses TCharts. These charts TeeCreateBitmap method is called to extract a bitmap object which is stored in a database for use in Crystal Reports. The chart szies are very lar...
- Wed Aug 22, 2007 6:16 am
- Forum: VCL
- Topic: Polar plot - drawing a line from a point to the origin
- Replies: 3
- Views: 8775
- Tue Aug 21, 2007 9:16 am
- Forum: VCL
- Topic: Polar plot - drawing a line from a point to the origin
- Replies: 3
- Views: 8775
- Tue Aug 21, 2007 8:27 am
- Forum: VCL
- Topic: Polar plot - drawing a line from a point to the origin
- Replies: 3
- Views: 8775
Polar plot - drawing a line from a point to the origin
Hi all, I have a polar plot with several series, each with several points. These points are joined by lines. The CloseCircle property is switched off, so a line is not drawn between the first and last point. This is desired. What I would like to do is draw a line from the first and last points to th...
- Mon Dec 11, 2006 4:42 pm
- Forum: VCL
- Topic: Creating a "ring" inside a polar plot
- Replies: 2
- Views: 5739
- Mon Dec 11, 2006 4:20 pm
- Forum: VCL
- Topic: Creating a "ring" inside a polar plot
- Replies: 2
- Views: 5739
Creating a "ring" inside a polar plot
Hi, I need to draw a circle (thick black line) within a polar plot where the diameter of the circle is a point on the left axis. Is there an easy way to do this? I checked out the "tools" options in the TChart editor, but couldn't find anything there. I also thought about setting up a series and the...
- Tue Nov 28, 2006 7:35 am
- Forum: VCL
- Topic: after install
- Replies: 9
- Views: 19521
- Thu Nov 23, 2006 11:10 am
- Forum: VCL
- Topic: Changing the chart/series type on the fly
- Replies: 3
- Views: 7067
- Wed Nov 22, 2006 3:45 pm
- Forum: VCL
- Topic: Changing the chart/series type on the fly
- Replies: 3
- Views: 7067
- Wed Nov 22, 2006 3:15 pm
- Forum: VCL
- Topic: Changing the chart/series type on the fly
- Replies: 3
- Views: 7067
Changing the chart/series type on the fly
Hi all, I am fairly new to the TChart components. I created a polar plot based on a set of series already present in our program. The chart used to be a simple line chart. Is there any way to loop through the series of my TChart component and switch them to line or polar plot at will? The client wou...
- Tue Nov 21, 2006 11:56 am
- Forum: VCL
- Topic: after install
- Replies: 9
- Views: 19521