graph image cutoff first digits when Y axis has decimals

[anonymous-matomo-user]

The API's ImageGraph works fine when numbers along the Y axis are all whole numbers, but when one of them has a decimal point (ie, 1.5, 0.5) the first digit and the decimal number get cut off the side of the image, like so
http://demo.piwik.org/index.php?module=API&method=ImageGraph.get&idSite=3&apiModule=VisitsSummary&apiAction=get&token_auth=anonymous&graphType=evolution&period=day&date=2011-11-26&width=500&height=250&segment=country==DE

[anonymous-matomo-user]

Attachment:
Screen shot 2011-11-28 at 12.49.40 PM.png

[julienmoumne]

(In [5582]) * fixes #2706, #2828, #2704, refs #1721, #2637, #2711, #2318, #71 : horizontal static graph implemented

• fixes Static Graph: better graphs when date range period parameter #2788, refs Metadata improvements to generate static graph image URL #2670, ImageGraph: export reports as graph #1721, #2637, #2711 : default graph type logic moved to ImageGraph API, improved date/period logic, new parameter graphs_default_period_to_plot_when_period_range
• fixes Graphs should support Unicode characters & other improvements #2704, graph image cutoff first digits when Y axis has decimals #2804, refs ImageGraph: export reports as graph #1721 : pChart updated to 2.1.3, pChart code removed from Piwik code, OOP refactoring, support for unifont.ttf if present in ImageGraph/fonts, testAllSizes now uses report metadata ImageGraphUrl
• refs Plugin to provide PDF export of data #5491 : space between report title and report table reduced to avoid page overflow
• refs ImageGraph: graphs should display % values #2829 : TODO display percentages
• r5544, r5547, r5549 merged