Change 20100222-maxcarlson-R by maxcarl...@bank on 2010-02-22 14:40:25 PST
in /Users/maxcarlson/openlaszlo/trunk-clean
for http://svn.openlaszlo.org/openlaszlo/trunk
Summary: Update save/restore() to be compatible with html5
Bugs Fixed: LPP-8779 - Add save() and restore() to drawview
Technical Reviewer: ptw
QA Reviewer: [email protected]
Details: Unify context value default context state management (lineWidth, etc.)
in the DrawviewShared mixin. Add __contextstates array to track drawview state
defaults when save/restore() are applied. Track __drawcontext in addition to
.context because they are two different things in as3 - Graphics vs MovieClip.
Add shared __saveToBitmap() routine that moves the current drawing state to tbe
background bitmap. Add shared __sizelimit attribute that contains the maximum
pixel size a BitmapData can contain, depending on the version of Flash.
rebuildBitmap() warns about oversized drawviews using __sizelimit.
createContainer() ensures the bitmap data is created behind the drawing
context. save() stores the current drawview context state variables and the
current display object, and generates a new context width a fresth state.
restore() restores the previously saved context state, saving the current
drawing state to the bitmap.
Tests: See test/drawing/drawing.lzx across runtimes. The nested blue and black
boxes should match
https://developer.mozilla.org/en/Canvas_tutorial/Transformations#A_save_and_restore_canvas_state_example
- except the white area which depends on LPP-8778.
Files:
M lps/components/extensions/drawview.lzx
Changeset:
http://svn.openlaszlo.org/openlaszlo/patches/20100222-maxcarlson-R.tar
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