BorlandTalk.com Borland discussion newsgroups   Archives   FAQ   Search   Memberlist   Usergroups   Register   Profile   Log in to check your private messages   Log in  how to set text's outline?          BorlandTalk.com Forum Index -> Delphi Graphics View previous topic :: View next topic   Author Message June Shi Guest Posted: Wed Sep 20, 2006 8:11 am    Post subject: how to set text's outline? Hi everyone, I want to set text's outline. First, i use BeginPath\EndPath\StrokeAndFillPath, it works well in big font size and Bold. procedure TForm1.Button1Click(Sender: TObject); begin BeginPath(Canvas.Handle); SetBkMode(Canvas.Handle,TRANSPARENT); Canvas.Font.Size:=12; Canvas.Font.Name:='Arial'; Canvas.TextOut(50,50,'Hello World!'); EndPath(Canvas.Handle); Canvas.Brush.Color:=clRed; Canvas.Pen.Color:=clBlue; StrokeAndFillPath(Canvas.Handle); end; But under my needs, it not use Big font and Bold style. my font size must be 12. How to do it perfect? how to improve? please help me. thanks all. Sincerely, June Shi Back to top Peter Below (TeamB) Guest Posted: Wed Sep 20, 2006 11:13 pm    Post subject: Re: how to set text's outline? June Shi wrote: Quote: Hi everyone, I want to set text's outline. First, i use BeginPath\EndPath\StrokeAndFillPath, it works well in big font size and Bold. procedure TForm1.Button1Click(Sender: TObject); begin BeginPath(Canvas.Handle); SetBkMode(Canvas.Handle,TRANSPARENT); Canvas.Font.Size:=12; Canvas.Font.Name:='Arial'; Canvas.TextOut(50,50,'Hello World!'); EndPath(Canvas.Handle); Canvas.Brush.Color:=clRed; Canvas.Pen.Color:=clBlue; StrokeAndFillPath(Canvas.Handle); end; But under my needs, it not use Big font and Bold style. my font size must be 12. How to do it perfect? how to improve? please help me. thanks all. It would help if you told us what your actual problem is. In what way is the output not meeting your need? -- Peter Below (TeamB) Don't be a vampire (http://slash7.com/pages/vampires), use the newsgroup archives : http://www.tamaracka.com/search.htm http://groups.google.com http://www.prolix.be Back to top Herre de Jonge Guest Posted: Thu Sep 21, 2006 8:11 am    Post subject: Re: how to set text's outline? June Shi wrote: Quote: You can try the code above, when you run it, the text's outlineand stroke path is not very clear. how to improve it? There is too much detail for an outline of 1 pixel. You probably want to use something like GDI+ (or Graphics32? or ...) and draw the outline using anti-aliasing. Take care, Herre Back to top June Shi Guest Posted: Thu Sep 21, 2006 8:11 am    Post subject: Re: how to set text's outline? You can try the code above, when you run it, the text's outlineand stroke path is not very clear. how to improve it? "Peter Below (TeamB)" <none> ??????:xn0ergde4wzhc000 (AT) newsgroups (DOT) borland.com... Quote: June Shi wrote: Hi everyone, I want to set text's outline. First, i use BeginPath\EndPath\StrokeAndFillPath, it works well in big font size and Bold. procedure TForm1.Button1Click(Sender: TObject); begin BeginPath(Canvas.Handle); SetBkMode(Canvas.Handle,TRANSPARENT); Canvas.Font.Size:=12; Canvas.Font.Name:='Arial'; Canvas.TextOut(50,50,'Hello World!'); EndPath(Canvas.Handle); Canvas.Brush.Color:=clRed; Canvas.Pen.Color:=clBlue; StrokeAndFillPath(Canvas.Handle); end; But under my needs, it not use Big font and Bold style. my font size must be 12. How to do it perfect? how to improve? please help me. thanks all. It would help if you told us what your actual problem is. In what way is the output not meeting your need? -- Peter Below (TeamB) Don't be a vampire (http://slash7.com/pages/vampires), use the newsgroup archives : http://www.tamaracka.com/search.htm http://groups.google.com http://www.prolix.be Back to top June Shi Guest Posted: Thu Sep 21, 2006 2:11 pm    Post subject: Re: how to set text's outline? I use GDI, i set pen's width as 1, how to use pixel? could you tell me more information about this? "Herre de Jonge" <hdejonge (AT) ravelin (DOT) nl> ??????:451230eb$1 (AT) newsgroups (DOT) borland.com... Quote: June Shi wrote: You can try the code above, when you run it, the text's outlineand stroke path is not very clear. how to improve it? There is too much detail for an outline of 1 pixel. You probably want to use something like GDI+ (or Graphics32? or ...) and draw the outline using anti-aliasing. Take care, Herre Back to top Nils Haeck Guest Posted: Thu Sep 21, 2006 4:58 pm    Post subject: Re: how to set text's outline? GDI only works with a resolution of 1 pixel, not any sub-pixel accuracy, or anti-aliasing. Therefore it looks horrible on outlined text for small font sizes. You can try GDI+ as mentioned, or Graphics32, or my new Pyro library. This new library is really easy to use for things like text outlining, because you can just set the Text.Stroke property instead of Text.Fill. There's an example here, you can look at the source code of the main program. Pyro costs Eur99 for the dcu and Eur449 for the source version. http://www.simdesign.nl/forum/viewtopic.php?t=648 Link directly to the example zip: http://www.simdesign.nl/download/shapedemo.zip (see the demo-> add text menu for an example on outlined text) If you want to stay with GDI as it is you can also consider drawing your outlined text to a larger bitmap, then resampling (shrinking) the bitmap. Kind regards, Nils Haeck www.simdesign.nl "June Shi" <june.shi (AT) yahoo (DOT) com> schreef in bericht news:4512573e (AT) newsgroups (DOT) borland.com... Quote: I use GDI, i set pen's width as 1, how to use pixel? could you tell me more information about this? "Herre de Jonge" <hdejonge (AT) ravelin (DOT) nl ??????:451230eb$1 (AT) newsgroups (DOT) borland.com... June Shi wrote: You can try the code above, when you run it, the text's outlineand stroke path is not very clear. how to improve it? There is too much detail for an outline of 1 pixel. You probably want to use something like GDI+ (or Graphics32? or ...) and draw the outline using anti-aliasing. Take care, Herre Back to top June Shi Guest Posted: Fri Sep 22, 2006 1:09 pm    Post subject: Re: how to set text's outline? thanks. "Nils Haeck" <bla (AT) bla (DOT) com> дÈëÏûÏ¢ÐÂÎÅ:45127dad$1 (AT) newsgroups (DOT) borland.com... Quote: GDI only works with a resolution of 1 pixel, not any sub-pixel accuracy, or anti-aliasing. Therefore it looks horrible on outlined text for small font sizes. You can try GDI+ as mentioned, or Graphics32, or my new Pyro library. This new library is really easy to use for things like text outlining, because you can just set the Text.Stroke property instead of Text.Fill. There's an example here, you can look at the source code of the main program. Pyro costs Eur99 for the dcu and Eur449 for the source version. http://www.simdesign.nl/forum/viewtopic.php?t=648 Link directly to the example zip: http://www.simdesign.nl/download/shapedemo.zip (see the demo-> add text menu for an example on outlined text) If you want to stay with GDI as it is you can also consider drawing your outlined text to a larger bitmap, then resampling (shrinking) the bitmap. Kind regards, Nils Haeck www.simdesign.nl "June Shi" <june.shi (AT) yahoo (DOT) com> schreef in bericht news:4512573e (AT) newsgroups (DOT) borland.com... I use GDI, i set pen's width as 1, how to use pixel? could you tell me more information about this? "Herre de Jonge" <hdejonge (AT) ravelin (DOT) nl ??????:451230eb$1 (AT) newsgroups (DOT) borland.com... June Shi wrote: You can try the code above, when you run it, the text's outlineand stroke path is not very clear. how to improve it? There is too much detail for an outline of 1 pixel. You probably want to use something like GDI+ (or Graphics32? or ...) and draw the outline using anti-aliasing. 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