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19,271 Commits 34 Branches 119 Tags 387 MiB
4ebf36a67c
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58 Commits

Author SHA1 Message Date
ask
4ebf36a67c TACHart: Replace hard-coded 'Tolerance' value with ExpandPercentage property. Update demo. 
git-svn-id: trunk@19607 -
 2009-04-24 12:20:58 +00:00
ask
6941ef0833 TAChart: More extent improvements. 
* Use FCurrentExtent instead of F{X/Y}Graph{Min/Max}.
* Carefully check for various combinations of Chart.Extent and series bounds.

git-svn-id: trunk@19606 -
 2009-04-24 11:45:32 +00:00
ask
a258bd419f TAChart: Check that Chart.Extent buonds are ordered corectly. 
git-svn-id: trunk@19604 -
 2009-04-24 11:35:33 +00:00
ask
a480ed52ae TAChart: Sort and group TChart members. Publish AxisColor property. 
git-svn-id: trunk@19599 -
 2009-04-24 08:39:47 +00:00
ask
23f9d1f9c4 TAChart: Improve extent processing. 
* Replace {X/Y}Graph{Max/Min} and AutoUpdate{X/Y}{Max/Min} properties with Extent class.
 * Use +/-Infinity instead of custom MinDouble/MaxDouble constants
 * Simplify UpdateExtent procedure

git-svn-id: trunk@19597 -
 2009-04-24 07:24:04 +00:00
ask
1f8f8a9909 TAChart: Convert [X/Y]ImageToGraph to functions 
git-svn-id: trunk@19543 -
 2009-04-21 08:39:29 +00:00
ask
64c6432237 TAChart: Convert {X/Y}GraphToImage to functions 
git-svn-id: trunk@19542 -
 2009-04-21 08:27:50 +00:00
ask
45d428b6e3 TAChart: Add Series.ZPosition property 
git-svn-id: trunk@19541 -
 2009-04-21 08:15:21 +00:00
ask
2117d39cf8 TAChart: add default values to published properties, minor cleanups. 
git-svn-id: trunk@19540 -
 2009-04-21 05:49:44 +00:00
ask
1184f95530 TAChart: Silence 'parameter is unused' hint. Fix unitialized variable. 
git-svn-id: trunk@19324 -
 2009-04-10 21:25:57 +00:00
ask
129b0cefb5 TAChart: Remove TChartSeries.InitBounds method. Various cleanups. 
git-svn-id: trunk@19190 -
 2009-04-01 20:01:33 +00:00
ask
6902bc22e9 TAChart: Rewrite calculation of title, axis and chart positions. 
* Replace (X/Y)Image(Min/Max) variables with a single ClipRect property
* Simplify code by calculating positions directly before drawing chart elements
* Fix various minor bugs and inconsistencies, like the one in issue #13433
* Move DrawAxis, DrawTitleFoot and Refresh methods to protected,
  since they are useless directly
* Add DrawLineHoriz and DrawLineVert helpers

git-svn-id: trunk@19189 -
 2009-04-01 19:03:20 +00:00
ask
53478c37f8 TAChart: Initial implementation of function series 
git-svn-id: trunk@19169 -
 2009-03-31 06:48:48 +00:00
ask
834c9f9146 TAChart: Move ShowInLegend property into TBasicChartSeries class. 
Rearrange some declarations alphabetically.

git-svn-id: trunk@19166 -
 2009-03-31 05:31:25 +00:00
ask
ce8f80bc53 TAChart: Move Active property to TBasicChartSeries class 
git-svn-id: trunk@19090 -
 2009-03-24 11:19:03 +00:00
ask
073e79c380 TAChart: Improve reticules. 
- unify and simplify reticule drawing
  - allow vertical, horizontal or cross reticules
  - update demo

git-svn-id: trunk@19025 -
 2009-03-18 16:24:07 +00:00
ask
c3693ef736 TAChart: Use operator= instead of EqualPoints function. 
git-svn-id: trunk@19024 -
 2009-03-18 11:57:52 +00:00
ask
3667b3ea5e TAChart: Refactoring: use points instead of separate x and y coordinates 
git-svn-id: trunk@18890 -
 2009-03-04 08:35:59 +00:00
ask
6e5def3ad7 TAChart: Group series mark parameters into TChartMarks class. Update demo. 
git-svn-id: trunk@18882 -
 2009-03-03 16:32:50 +00:00
ask
bc49d5bfb4 TAChart: extracted auxiliary chart elements into a TATypes unit. Fixed style. 
git-svn-id: trunk@18880 -
 2009-03-03 15:42:24 +00:00
ask
ca17997c57 TAChart: allow series to include margins. 
git-svn-id: trunk@18871 -
 2009-03-02 15:21:26 +00:00
ask
b83050cf62 TAChart: change inherited methods visibility to match parent class. 
git-svn-id: trunk@18855 -
 2009-03-01 10:51:37 +00:00
ask
c27d946f16 TAChart: refactor zooming 
git-svn-id: trunk@18818 -
 2009-02-24 11:43:48 +00:00
paul
f8e23f2d0d tachart: correct asterisks positions 
git-svn-id: trunk@18780 -
 2009-02-20 15:34:27 +00:00
ask
facc55f1a3 TAChart: Add Alexander Klenin to authors 
issue #13214 part 6

git-svn-id: trunk@18778 -
 2009-02-20 14:30:06 +00:00
ask
ee315fb844 TAChart series editor: adding, deleting and selection of series 
issue #13214 part 3

git-svn-id: trunk@18775 -
 2009-02-20 14:22:48 +00:00
ask
7ab4967ab9 TAChart: Prepare series code for design-time editing. Publish Series property. 
issue #13214 part 2

git-svn-id: trunk@18774 -
 2009-02-20 14:19:05 +00:00
vincents
69610334ef TAChart: Make Assign and EraseBackground methods public, as inherited ones 
patch by: Alexander Klenin
part 4 of issue #13201

git-svn-id: trunk@18749 -
 2009-02-18 12:22:32 +00:00
vincents
a945bd4085 TAChart: Remove {$MODE DELPHI} and {$IFDEF fpc} 
patch by: Alexander Klenin
part 3 of issue #13201

git-svn-id: trunk@18748 -
 2009-02-18 12:20:30 +00:00
vincents
6eda89f398 TAChart: Refactor coordinate transformations 
patch by: Alexander Klenin
part 2 of issue #13201

git-svn-id: trunk@18747 -
 2009-02-18 12:17:29 +00:00
vincents
161a59bc94 TAChart: Make TChart.Series an indexed property of proper type 
patch by: Alexander Klenin
part 1 of issue #13201

git-svn-id: trunk@18746 -
 2009-02-18 12:14:45 +00:00
vincents
06cd260566 TAChart: fix SeriesColor to work uniformly for all kinds of series 
patch by: Alexander Klenin
fixes issue #13184

git-svn-id: trunk@18709 -
 2009-02-16 15:43:42 +00:00
vincents
583ce96cbe TAChart: published DoubleBuffered 
git-svn-id: trunk@18699 -
 2009-02-15 18:44:08 +00:00
vincents
0d8393edf7 TAChart: Refactor Reticules. Remove circular dependency TAGraph -> TASeries 
patch by: Alexander Klenin
part 2 of issue #13163

git-svn-id: trunk@18671 -
 2009-02-13 20:51:16 +00:00
vincents
eb20e8d8cd TAChart: Extract DrawIfActive and AfterAdd procedures. Minor style fixes. 
patch by: Alexander Klenin
part 1 of issue #13163

git-svn-id: trunk@18670 -
 2009-02-13 20:45:43 +00:00
vincents
9335ffdf78 TAChart: fixed diminishing size of bar charts 
patch by: Alexander Klenin
fixes issue (13130)

git-svn-id: trunk@18649 -
 2009-02-12 14:51:34 +00:00
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
vincents
01263f360b tachart: made TCustomChart a TCustomControl, so we can prevent erasing the background and have less flickering 
patch by: Alexander Klenin
fixes issue (12377)

git-svn-id: trunk@18643 -
 2009-02-12 09:52:26 +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
897938b8e4 Patch by Alexander Klenin 
- Extract duplicated code into TAGraph.LineInViewPort function.
- Heavily rearrange code inside TSerie.Draw and TAreaSeries.Draw procedures to enchance readability, remove code duplication and get rid of 'goto' statement.
- Fix a bug in TAreaSeries.Draw: areas higher then current viewport were not drawn.
- Use ACanvas parameter instead of ParentChart.Canvas in Draw procedures.
- Remove unused variables in TAGraph unit.

Fixes: http://bugs.freepascal.org/view.php?id=12618

git-svn-id: trunk@17399 -
 2008-11-15 16:07:01 +00:00
paul
acf0fa16a8 components: reduce hints in tachart package 
git-svn-id: trunk@17378 -
 2008-11-14 02:10:29 +00:00
darius
12dbeac781 Consistent indenting, whitespaces and upper/lower case. 
Removed a few unnecessary comments and begin/end blocks.

By Alexander Klenin 
http://bugs.freepascal.org/view.php?id=12611

git-svn-id: trunk@17352 -
 2008-11-12 09:23:19 +00:00
darius
cde07c30e6 Remove TAEngine unit and TSeriesList class 
Auto-update chart when one of its series is destroyed

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

git-svn-id: trunk@17289 -
 2008-11-08 21:08:01 +00:00
darius
f1f3e50cdb refactoring patch by Alexander Klenin 
fixes: http://bugs.freepascal.org/view.php?id=12584

git-svn-id: trunk@17270 -
 2008-11-07 21:46:59 +00:00
vincents
859e0971bf tachart: published TChart.Anchors (issue #12169) 
git-svn-id: trunk@16630 -
 2008-09-17 20:32:14 +00:00
mattias
2996a3c332 rename COPYING.modifiedLGPL to COPYING.modifiedLGPL.txt 
git-svn-id: trunk@15834 -
 2008-07-22 09:48:15 +00:00
vincents
59c009eaf5 TAChart: Fixed Legend selection bug, DrawLegend bugfix (by Anton Vychegzhanin) (bug #11398) 
git-svn-id: trunk@15289 -
 2008-06-02 13:28:08 +00:00
paul
549dec3b81 TAChart: fix mem leak 
git-svn-id: trunk@14486 -
 2008-03-10 12:44:31 +00:00
paul
ac87b13fd2 TAChart: 
- don't reset XChartXXX if AutoUpdateXXX is False
- correct loading component
(patch from Sileno Goedicke with modifications)

git-svn-id: trunk@14484 -
 2008-03-10 11:27:20 +00:00
vincents
675e3bee30 TAChart: Code cleanups and bugfixes (bugfixes by Uwe Zimmermann and Oled), bug #10699 
git-svn-id: trunk@13877 -
 2008-01-25 14:45:02 +00:00