Bert Freudenberg uploaded a new version of Morphic to project The Trunk:
http://source.squeak.org/trunk/Morphic-bf.626.mcz==================== Summary ====================
Name: Morphic-bf.626
Author: bf
Time: 9 October 2012, 2:41:25.246 pm
UUID: 358e353f-679b-4fa3-80d3-ac01ce47b766
Ancestors: Morphic-ul.625
Fix rotated drawing of translucent morphs.
=============== Diff against Morphic-ul.625 ===============
Item was changed:
----- Method: FormCanvas>>transformBy:clippingTo:during:smoothing: (in category 'drawing-support') -----
transformBy: aDisplayTransform clippingTo: aClipRect during: aBlock smoothing: cellSize
"Note: This method has been originally copied from TransformationMorph."
| innerRect patchRect sourceQuad warp start subCanvas |
(aDisplayTransform isPureTranslation) ifTrue:[
^aBlock value: (self copyOffset: aDisplayTransform offset negated truncated
clipRect: aClipRect)
].
"Prepare an appropriate warp from patch to innerRect"
innerRect := aClipRect.
patchRect := (aDisplayTransform globalBoundsToLocal: innerRect) truncated.
sourceQuad := (aDisplayTransform sourceQuadFor: innerRect)
collect: [:p | p - patchRect topLeft].
warp := self warpFrom: sourceQuad toRect: innerRect.
"Render the submorphs visible in the clipping rectangle, as patchForm"
start := (self depth = 1 and: [self isShadowDrawing not])
"If this is true B&W, then we need a first pass for erasure."
ifTrue: [1] ifFalse: [2].
start to: 2 do:
[:i | "If i=1 we first make a shadow and erase it for opaque whites in B&W"
subCanvas := self class extent: patchRect extent depth: self depth.
i=1 ifTrue: [subCanvas shadowColor: Color black.
warp combinationRule: Form erase]
ifFalse: [self isShadowDrawing ifTrue:
[subCanvas shadowColor: self shadowColor].
+ warp combinationRule: (self depth = 32 ifTrue: [Form blendAlphaScaled] ifFalse: [Form blend])].
- warp combinationRule: Form paint].
subCanvas
translateBy: patchRect topLeft negated
during: aBlock.
warp sourceForm: subCanvas form; cellSize: cellSize; warpBits.
warp sourceForm: nil. subCanvas := nil "release space for next loop"]
!