diff options
Diffstat (limited to 'demos/iconTransform.tcl')
| -rw-r--r-- | demos/iconTransform.tcl | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/demos/iconTransform.tcl b/demos/iconTransform.tcl index 7f245dc..4d00bad 100644 --- a/demos/iconTransform.tcl +++ b/demos/iconTransform.tcl @@ -11,7 +11,7 @@ set w .iconTransform catch {destroy $w} toplevel $w wm title $w "Zinc icon scale/rotate Demonstration" -wm iconname $w zincTransform +wm iconname $w iconTransform set defaultfont "-adobe-helvetica-bold-r-normal-*-120-*-*-*-*-*-*" @@ -33,9 +33,9 @@ pack $w.text -expand yes -fill both $w.text insert end {This demo needs openGL for rescaling/rotating the icon You can transform this earth gif image with your mouse: - Drag-Button 1 for zooming the earth, - Drag-Button 2 for rotating the earth, - Drag-Button 3 for moving the earth, + Drag-Button 1 for moving the earth, + Drag-Button 2 for zooming the earth, + Drag-Button 3 for rotating the earth, Shift-Drag-Button 1 for modifying the earth transparency.} @@ -64,6 +64,8 @@ bind $w.zinc <ButtonPress-1> "press motion %x %y" bind $w.zinc <ButtonRelease-1> release bind $w.zinc <ButtonPress-2> "press zoom %x %y" bind $w.zinc <ButtonRelease-2> release +bind $w.zinc <ButtonPress-3> "press mouseRotate %x %y" +bind $w.zinc <ButtonRelease-3> release # # Controls for alpha and gradient @@ -123,7 +125,7 @@ proc mouseRotate {x y} { global w curAngle topGroup set lAngle [expr atan2($y, $x)] - $w.zinc rotate $topGroup [expr -($lAngle - $curAngle)] + $w.zinc rotate $topGroup [expr $lAngle - $curAngle] set curAngle $lAngle } @@ -134,11 +136,11 @@ proc release {} { } proc modifyAlpha {x y} { - global w + global w topGroup set xRate [expr double($x) / [$w.zinc cget -width]] set xRate [expr ($xRate < 0) ? 0 : ($xRate > 1) ? 1 : $xRate] - set alpha [expr $xRate * 100] + set alpha [expr int($xRate * 100)] - $w.zinc itemconfigure $group -alpha $alpha + $w.zinc itemconfigure $topGroup -alpha $alpha } |