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a9c58c425c
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10 Commits

Author SHA1 Message Date
vincents
a9c58c425c TAChart: Legend refactoring 
patch by: Alexander Klenin
fixes issue (13119)

git-svn-id: trunk@18644 -
 2009-02-12 09:57:51 +00:00
darius
488a25bd42 1) Created new unit TAChartUtils, moved some support code into it. 
2) Heavily refactored code of CalculateIntervals and TAGraph.DrawAxis procedures -- removed lots of duplicated code, simplifed logic, extracted local procedures etc.
3) Introduced TPenBrushFontRecall helper class.
4) Added 'Axis titles' checkbox to the demo program.

Patch by Alexander Klenin
Resolves: http://bugs.freepascal.org/view.php?id=12758

git-svn-id: trunk@17799 -
 2008-12-11 18:57:43 +00:00
darius
648e302cbe added option to show/hide gridlines to demo 
used in relation to bugreport: http://bugs.freepascal.org/view.php?id=12171

git-svn-id: trunk@17528 -
 2008-11-22 19:19:10 +00:00
darius
0d6bfec764 TChartSeries.AddXY inserts new point into a sorted list, which have O(N^2) computational cost. 
This speeds up adding really long series.

Patch from Alexander Klenin
http://bugs.freepascal.org/view.php?id=12642

git-svn-id: trunk@17504 -
 2008-11-22 09:44:29 +00:00
darius
2b8ff3ad92 Code cleanup, variable and component renaming 
Demo now does not SIGSEGV no matter what button user pressed :-)
Ability to clear series in the demo 

Patch by Alexander Klenin
Fixes: http://bugs.freepascal.org/view.php?id=12589

git-svn-id: trunk@17290 -
 2008-11-08 21:21:35 +00:00
vincents
40ece1368b TAChart: removed session info from the .lpi file 
git-svn-id: trunk@13855 -
 2008-01-24 12:15:26 +00:00
vincents
e1e7e14329 TAChart: Implemented ZoomFull, PaintOnCanvas and slight modifications to add TSerie pen style (by oleg), issue #10679 
git-svn-id: trunk@13854 -
 2008-01-24 12:00:43 +00:00
vincents
1197001bda tachart: updated demo (bug #9805) from Luis Rodrigues 
git-svn-id: trunk@12211 -
 2007-09-28 08:09:36 +00:00
vincents
9e0cbc1e29 TAChart: Series clipping bugfixes and partially implement TSeriesPointer from Luis Rodrigues (issue #8706) 
git-svn-id: trunk@10959 -
 2007-04-17 14:43:02 +00:00
vincents
7d1493c48a added tachart components from Philippe Martinole and Luis Rodrigues (bug #8269) 
git-svn-id: trunk@10658 -
 2007-02-19 15:17:14 +00:00