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   1  Title: Change Log
   2  
   3  1.0.0b2:
   4  * Major improvements in memory usage:
   5  ** Merged in changes from Timo Besenruether to reuse canvas elements and improve 
   6     memory performance.
   7  ** Fixed all identifiable DOM leaks.
   8  ** Mergged in changes from cguillot for memory improvements in IE < 9.
   9  * Added vertical and dashed vertical line support for canvas overlay.
  10  * Fixed bug where initially hidden plots would not display.
  11  * Fixed bug with point labels and null data points.
  12  * Updated to jQuery 1.6.1.
  13  * Improved pie slice margin calculation and fixed slice margin and pie positioning 
  14    with small slices.
  15  * Improved bar renderer so bars always start at 0 if:
  16  ** The axis is a linear axis (not log/date).
  17  ** There are no other line types besides bars attached to the axis.
  18  ** The data on the axis is all >= 0.
  19  ** The user has not specified a pad, padMin or forceTickAt0 = true option.
  20  * Modified tick prefix behavious so prefix no added to all ticks, even if format 
  21    string is specified.
  22  * Fix to ensure original tick formats are applied when zooming and resetting 
  23    zoom.
  24  * Updated auto tick format string so format adjusted when zooming.
  25  * Modified auto tick computation to put less ticks on small plots and more
  26    ticks on large plots.
  27  * Update bubble render to support gradients in IE 9.
  28  
  29  1.0.0b1:
  30  * Much improved tick generation algorithm to get precise rounded 
  31    tick values (Thanks Scott Prahl!).
  32  * Auto compute tick format string if none is provided.
  33  * Much better "slicing" of pie charts when using "sliceMargin" option to set
  34    a gap between the slices.
  35  * Expanded canvasOverlay plugin to create arbitrary dashed and solid 
  36    horizontal and vertical lines on top of plot.
  37  * Added defaultColors and defaultNegativeColors options to $.jqplot.config.
  38  * Fixed issue #318, highlighter & bar renderer incompatability.
  39  * Improve highlighter tooltip positioning with negative bars.
  40  * Fixed #305, mispelling of jqlotDragStart and jqlotDragStop.  MUST NOW BIND
  41    TO jqplotDragStart and jqplotDragStop.
  42  * Fixed #290, some variables left in global scope.
  43  * Fixed #289, OHLC line widths hard coded at 1.5. Now set by lineWidth option.
  44  * Fixed #296 for determining databounds on log axes.
  45  * Updated to jQuery 1.5.1
  46  * Fixed waterfall plot to ensure first and last bars always fill to zero.
  47  * Added lineJoin and lineCap option to series lines.
  48  * Bar widths now based on width of grid, not plot target for better scaling.
  49  * Added looseZoom option to cursor so zooming can produce well rounded ticks.
  50  * Added forceTickAt0 and forceTickAt100 options to ensure there will always
  51    be a tick at 0 or 100 in the plot.
  52  * Fixed bug where cursor legend didn't honor series showLabel option.
  53  
  54  
  55  1.0.0a:
  56  
  57  * Series can now be moved forward or backward in stack to e.g. bring a line
  58    forward when mousing over a point.
  59  * Can now move outside of grid area while zooming.  Can have zoom
  60    constrained to grid area or allow zooming outside.
  61  * Fixed issue #142 with tooltip drawn on top of event canvas, hiding
  62    mouse events.
  63  * Fixed #147 where pie slices with 0 value not rendering properly in IE.
  64  * Fixed #130 where stack data not sorted properly.
  65  * Fixed bug with null values not handled properly in category axes.
  66  * Fixed #156 where pie charts not rendering on QTWebKit.
  67  * Now using feature detection for canvas and canvas text capability
  68    rather than browser version.
  69  * Added enahncedLegendRenderer plugin to allow multi row/column legends
  70    and clickable labels to show/hide series.
  71  * Added fillToValue option to allow filled line plot to fill to an
  72    arbitrary value.
  73  * Added block plot plugin.
  74  * Added funnel type charts.
  75  * Added meter gauge type charts.
  76  * Added plot theming support.
  77  * $.jqplot.config.enablePlugins now false by default.
  78  * Implemented highlighting on bar, pie, donut, funnel, etc. charts.
  79  * Fix to pointlabels plugin to align labels properly on multi series plots.
  80  * Added custom error handling to display error message in plot area.
  81  * Fixed issue where would call to draw grid border of 0 width would
  82    result in a default border being drawn.
  83  * Added options to place legend outside of grid and shrink grid so everything
  84    stays within plot div.
  85  * Fixed bug in color generator so now calls to get() continually cycle
  86    through colors just like next().
  87  * Added defaultAxisStart option.
  88  * Added gradient fills to bubbles.
  89  * Added bubble charts.
  90  * Added showLabels option to bubble charts.
  91  * Pass bubble radius to event callback in bubble charts.
  92  * Fixed #207, typo in docs.
  93  * Fixed #206 where "value" pie slice data labels were displaying wrong
  94    value.
  95  * Fixed #147 with 0 value slices in IE6.
  96  * Fixed issue #241, disabled varyBarColor option in stacked charts.
  97  * Added dataRenderer option to allow custom processors for JSON, AJAX
  98    and anywhere else you might want to get data.
  99  * Fixed null value handling so plot now properly skip or join over nulls.
 100  * Fixed showTicks and showTickMarks option conflicts.
 101  * Fixed issue #185 where pointLabels plugin incompatibility could crash
 102    pie, donut and other plots.
 103  * Fixed #23 and #143 to obey gridPadding option.
 104  * Fixed #233 with highlighter tooltip separator.
 105  * Fixed #224 where type checking failing on GWT.
 106  * Fixed #272 with pie highlighting not working on replot.
 107  * Memory performance improvements.
 108  * Changes to build script so everything should build when pulled from repo.
 109  * Fixed issue #275, IE 6/7 don't support array indexing of strings.
 110  * Added event listener hooks for mouseUp, mouseDown, etc. to all line plots.
 111  * Fixed bug with highlighter not working when null in data.
 112  * Updated to jQuery 1.4.4
 113  * Fixed bug where donut plots showed value of radians of slice instead
 114    of actual data.
 115  * Reverted to excanvas r3 so IE8 no longer has to emulate IE7.
 116  * Added tooltipContentEditor option to highlighter, allowing callback
 117    to manipulate tooltip content at run time (thanks Tim Bunce!).
 118  * Fixed bug where axes scale not resetting.
 119  * Fixed bug with date axes where data bounds not properly set.
 120  * Fixed issue where tick marks disappear if grid lines turned off.
 121  * Updated replot method to allow passing in axes options for more control.
 122  * Added experimental support for "broken" axes.
 123  * Fixed bug with pies where pies with 0 valued slices did not draw correctly.
 124  * Added canvasOverlay plugin to allow drawing of arbitrary shapes on a canvas
 125    over the plot.
 126  * Added option to display arbitrary text/html (message, animated gif, etc.) if
 127    plot is constructed without data.  Allow a "data loading" indicator to be shown.
 128  * Added resetAxisValues method to manually update axis ticks without
 129    redrawing the plot.
 130  * Fix to labels on negative bars so label postiion of 'n' will be below a negative bar,
 131    just as it is above a positive bar (thanks guigod!).
 132  * Added thousands separator character (') to sprintf formatting (thanks yuichi1004!).
 133  * Re-factored date parsing/formatting to use new jsDate module which does not
 134    extend the Date prototype.
 135  
 136  
 137  0.9.7:
 138  
 139  * Added Mekko chart plot type with enhanced legend and axes support.
 140  * Implemented vertical waterfall charts.  Can create waterfall plot as
 141    option to bar chart.  See examples folder of distribution.
 142  * Enhanced plot labels for waterfall style.
 143  * Enhanced bar plots so you can now color each bar of a series 
 144    independently with the "varyBarColor" option.
 145  * Re-factored series drawing so that each series and series shadow drawn
 146    on it's own canvas.  Allows series to be redrawn independently of each other.
 147  * Added additional default series colors.
 148  * Added useNegativeColors option to turn off negative color array and use 
 149    only seriesColors array to define all bar/filled line colors.
 150  * Fix css for cursor legend.
 151  * Modified shape renderer so rectangles can be stroked and filled.
 152  * Re-factored date methods out of dateAxisRenderer so that date formatter 
 153    and methods can be accesses outside of dateAxisRenderer plugin.
 154  * Fixed #132, now trigger series change event on plot target instead of drag canvas.
 155  * Fixes issue #116 where some source files had mix of tabs and spaces 
 156    for indentation.  Should have been all spaces.
 157  * Fixed issue #126, some links broken in docs section of web site.
 158  * Fixed issue #90, trendline plugin incompatibility with pie renderer.
 159  * Updated samples in examples folder of distribution to include navigation 
 160    links if web server is set up to process .html files with php.
 161  
 162  
 163  0.9.6:
 164  
 165  * New, easier to use, replot() method for placing plots in tabs, accordions,
 166    resizable containers or for changing plot parameters programmatically.
 167  * Updated legend renderer for pie charts to draw swatches which will
 168    print correctly.
 169  * Fixed issue #118 with patch from taum so autoscale option will
 170    honor tickInterval and numberTicks options
 171  * Fix to plot diameter calculation for initially hidden plots.
 172  * Added examples for making plots in jQuery UI tabs and accordions.
 173  * Fixed issue #120 where pie chart with single slice not displaying
 174    correctly in IE and Chrome
 175  
 176  
 177  0.9.5.2:
 178  
 179  * Fixed #102 where double clicking on plot that has zoom enabled, but
 180    has not been zoomed resulted in error.
 181  * Fixed bug where candlestick coloring options not working.
 182  * Added option to turn individual series labels off in the legend.
 183  
 184  
 185  0.9.5.1:
 186  
 187  * Fixed bug where tooltip not working with OHLC and candlestick charts.
 188  * Added additional marker styles: plus, X and dash.
 189  
 190  
 191  0.9.5:
 192  
 193  * Implemented "zoomProxy".  zoomProxy allows zooming one plot from another 
 194    such as an overview plot.
 195  * Zooming can now be constrained to just x or y axis.
 196  * Enhanced cursor plugin with vertical "dataTracking" line.  This is a line
 197    at the cursor location with a readout of data points at the line location
 198    which are displayed in the chart legend.
 199  * Changed cursor tooltip format string.  Now one format string is used for
 200    entire tooltip.
 201  * Added mechanisms to specify plot size when plot target is hidden or plot
 202    height/width otherwise cannot be determined from markup.
 203  * Added $.jqplot.config object to specify jqplot wide configuration options.
 204    These include enablePlugins to globally set the default plugin state on/off
 205    and defaultHeight/defaultWidth to specify default plot height/width.
 206  * Added fillToZero option which forces filled charts to fill to zero as opposed
 207    to axis minimum.  Thus negative filled bar/line values will fill upwards to
 208    zero axis value.
 209  * Added option to disable stacking on individual lines.
 210  * Changed targetId property of the plot object so it now includes a "#" before
 211    the id string.
 212  * Improved tick and body sizing of Open Hi Low Close and candlestick charts.
 213  * Removed lots of web site related files from the repository.  This means that,
 214    if working from the sources, user's won't be able to build the jqplot web
 215    site and the docs/tests that are hosted on that site.  The minified and
 216    compressed  distribution packages will build fine.
 217  * Lots of examples were added to a separate examples directory to better show
 218    functionality of jqPlot for local testing with the distribution.
 219  * Many various bug fixes and other minor enhancements.
 220  
 221  
 222  0.9.4:
 223  
 224  * Implemented axis labels.  Labels can be rendered in div tags or as canvas 
 225    elements supporting rotated text.
 226  * Improved rotated axis label positioning so labels will start or end at a
 227    tick position.
 228  * Fixed bug where an empty data series would hang plot rendering.
 229  * completed issue #66 for misc. improvements to documentation.
 230  * Fixed issue #64 where the same ID's were assigned to cursor and highlighter
 231    elements.
 232  * Added option to legend to encode special HTML characters.
 233  * Fixed undesirable behavior where point labels for points off the plot
 234    were being rendered.
 235  * Added edgeTolerance option to point label renderer to control rendering of 
 236    labels near plot edges.
 237  
 238  
 239  0.9.3:
 240  
 241  * Preliminary support for axis labels.  Currently rendered into DIV tags,
 242    so no rotated label support.  This feature is currently experimental.
 243  * Fixed bug #52, needed space in tick div tag between style and class declarations 
 244    or plot failed in certain application doctypes.
 245  * Fixed issue #54, miter style line join for chart lines causing spikes at steep 
 246    changes in slope.  Changed miter style to round.
 247  * Added examples for new autoscaling algorithm.
 248  * Fixed bug #57, category axis labels disappear on redraw()
 249  * Improved algorithm which controlled maximum number of labels that would display
 250    on a category axis.
 251  * Fixed bug #45 where null values causing errors in plotData and gridData.
 252  * Fixed issue #60 where seriesColors option was not working.
 253  
 254  
 255  0.9.2:
 256  
 257  * Fixed bug #45 where a plot could crash if series had different numbers of points.
 258  * Fixed issue #50, added option to turn off sorting of series data. 
 259  * Fixed issue #31, implemented a better axis autoscaling algorithm and added an autoscale option.
 260  
 261  0.9.1:
 262  
 263  * Fixed bug #40, when axis pad, padMax, padMin set to 0, graph would fail to render.
 264  * Fixed bug #41 where pie and bar charts not rendered correctly on redraw().
 265  * Fixed bug #11, filled stacked line plots not rendering correctly in IE.
 266  * Fixed bug #42 where stacked charts not rendering with string date axis ticks.
 267  * Fixed bug in redraw() method where axes ticks were not reset.
 268  * Fixed "jqplotPreRedrawEvent" that should have been named "jqplotPostRedraw" event.
 269  
 270  0.9.0:
 271  
 272  * Added Open Hi Low Close charts, Candlestick charts and Hi Low Close charts.
 273  * Added support for arbitrary labels on the data points.
 274  * Enhanced highlighter plugin to allow custom formatting control of entire tooltip.
 275  * Enhanced highlighter to support multiple y values in a data point.
 276  * Fixed bug #38 where series with a single point with a negative value would fail.
 277  * Improvements to examples to show what plugins to include.
 278  * Expanded documentation for some of the plugins.
 279  
 280  0.8.5:
 281  
 282  * Added zooming ability with double click or single click options to reset zoom.
 283  * Modified default tick spacing algorithm for date axes to give more space to ticks.
 284  * Fixed bug #2 where tickInterval wasn't working properly.
 285  * Added neighborThreshold option to control how close mouse must be to 
 286    point to trigger neighbor detection.
 287  * Added double click event handler on plot.
 288  
 289  0.8.0:
 290  
 291  * Support for up to 9 y axes.
 292  * Added option to control padding at max/min bounds of axes separately.
 293  * Closed issue #21, added options to control grid line color and width.
 294  * Closed issue #20, added options to filled line charts to stoke above 
 295    fill and customize fill color and transparency.
 296  * Improved structure of on line documentation to make usage and options 
 297    docs default.
 298  * Added much documentation on options and css styling.
 299  
 300  0.7.1:
 301  
 302  * Bug fix release
 303  * Fixed bug #6, missing semi-colons messing up some javascript compressors.
 304  * Fixed bug #13 where 2D ticks array of [values, labels] would fail to 
 305    renderer with DateAxisRenderer.
 306  * Fixes bug #16 where pie renderer overwriting options for all plot types 
 307    and crashing non pie plots.
 308  * Fixes bug #17 constrainTo dragable option mispelled as "contstrainTo".  
 309    Fixed dragable color issue when used with trend lines.
 310  
 311  0.7.0:
 312  
 313  * Pie chart support
 314  * Enabled tooltipLocation option in highlighter. 
 315  * Highlighter Tooltip will account for mark size and highlight size when 
 316    positioning itself. 
 317  * Added ability to show just x, y or both axes in highlighter tooltip.
 318  * Added customization of separator between axes values in highlighter tooltip.
 319  * Modified how shadows are drawn for lines, bars and markers.  Now drawn first, 
 320    so they are always behind the object.
 321  * Adjustments to shadow parameters on lines to account for new shadow positioning.
 322  * Added a ColorGenerator class to robustly return next available color 
 323    for a plot with wrap around to first color at end.
 324  * Udates to docs about css file.
 325  * Fixed bug with String x values in series and IE error on sorting (Category Axis).
 326  * Added cursor changes in dragable plugin when cursor near dragable point.
 327  
 328  0.6.6b:
 329  
 330  * Added excanvas.js and excanvas.min.js to compressed distributions.
 331  * Added example/test html pages I had locally into repository and to 
 332    compressed distributions.
 333  
 334  0.6.6a:
 335  
 336  * Removed absolute positioning from dom element and put back into css file.
 337  * Duplicate of 0.6.6 with a suffix to unambiguously differentiate between 
 338    previously posted 0.6.6 release.
 339  
 340  0.6.6:
 341  
 342  * Fixed bug #5, trend line plugin failing when no trend line options specified.
 343  * Added absolute position css spec to axis tick dom element.
 344  * Enhancement to category axes, more intuitive handling of series with 
 345    missing data values.
 346  
 347  0.6.5:
 348  
 349  * Fixed bug #4, series of unequal data length not rendering correctly.  
 350    This is a bugfix release only.
 351  
 352  0.6.4:
 353  
 354  * Fixed bug (issue #1 in tracker) where flat line data series (all x and/or y 
 355    values are euqal) or single value data series would crash.
 356  
 357  0.6.3:
 358  
 359  * Support for stacked line (a.k.a. area) and stacked bar (horizontal and 
 360    vertical) charts.
 361  * Refactored barRenderer to use default shape and shadow renderers.
 362  * Added info (contacts & support information) page to web site.
 363  
 364  0.6.2:
 365  
 366  * This is a minor upgrade to docs and build only.  No functionality has changed.
 367  * Ant build script generates entire site, examples, tests and distribution.
 368  * Improvements to documentation.
 369  
 370  0.6.1:
 371  
 372  * New sprintf implementation from Ash Searle that implements %g.
 373  * Fix to sprintf e/f formats.
 374  * Created new format specifier, %p and %P to preserve significance.
 375  * Modified p/P format to better display larger numbers.
 376  * Fixed and simplified significant digits calculation for sprintf.
 377  * Added option to have cursor tooltip follow the mouse or not.
 378  * Added options to change size of highlight.
 379  * Updates to handle dates like '6-May-09'.
 380  * Mods to improve look of web site.
 381  * Updates to documentation.
 382  * Added license and copyright statement to source files.
 383  
 384  0.6.0:
 385  
 386  * Added rotated text support.  Uses native canvas text functionality in 
 387    browsers that support it or draws text on canvas with Hershey font
 388  * metrics for non-supporting browsers.
 389  * Removed lots of lint in js code.
 390  * Moved tick css from js code into css file.
 391  * Fix to tick positioning css.  y axis ticks were positioned to wrong side of axis div.
 392  * Re-factored axis tick renderer instantiation into the axes renderers themselves.
 393  
 394  
 395  For changes prior to 0.6.0 release, please see change log at http://bitbucket.org/cleonello/jqplot/changesets/