The Trunk: Morphic-bf.626.mcz

Previous Topic Next Topic
 
classic Classic list List threaded Threaded
1 message Options
Reply | Threaded
Open this post in threaded view
|

The Trunk: Morphic-bf.626.mcz

commits-2
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"]
  !