diff options
Diffstat (limited to 'demos/iconTransform.tcl')
-rw-r--r-- | demos/iconTransform.tcl | 262 |
1 files changed, 137 insertions, 125 deletions
diff --git a/demos/iconTransform.tcl b/demos/iconTransform.tcl index 442d7a5..cefffdb 100644 --- a/demos/iconTransform.tcl +++ b/demos/iconTransform.tcl @@ -7,139 +7,151 @@ if {![info exists zincDemo]} { } -set w .iconTransform -catch {destroy $w} -toplevel $w -wm title $w "Zinc icon scale/rotate Demonstration" -wm iconname $w iconTransform - -set defaultfont [font create -family Helvetica -size 10 -weight bold] - -frame $w.buttons -pack $w.buttons -side bottom -fill x -pady 2m -button $w.buttons.dismiss -text Dismiss -command "destroy $w" -button $w.buttons.code -text "See Code" -command "showCode $w" -pack $w.buttons.dismiss $w.buttons.code -side left -expand 1 - - - -########################################### -# Text zone -####################### -#################### - -text $w.text -relief sunken -borderwidth 2 -height 6 -pack $w.text -expand yes -fill both - -$w.text insert end {You can transform this image with your mouse: - Drag-Button 1 for moving, - Drag-Button 2 for zooming, - Drag-Button 3 for rotating, - Shift-Drag-Button 1 for modifying the transparency (OpenGL only).} - - -########################################### -# Zinc -########################################## -zinc $w.zinc -width 350 -height 250 -render 1 -font 10x20 \ - -borderwidth 3 -relief sunken -pack $w.zinc - -set topGroup [$w.zinc add group 1] - -image create photo zincAA -file [file join $zinc_library demos images zinc.gif] - -set zincAA [$w.zinc add icon $topGroup -image zincAA \ - -composescale 1 -composerotation 1] - -$w.zinc add text $topGroup -connecteditem $zincAA \ - -text {try to zoom/resize the banner!} -color white \ - -composescale 1 -composerotation 1 - -# -# Controls for the window transform. -# -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 -# -bind $w.zinc <Shift-ButtonPress-1> "press modifyAlpha %x %y" -bind $w.zinc <Shift-ButtonRelease-1> release - - -set curX 0 -set curY 0 -set curAngle 0 - -proc press {action x y} { - global w curAngle curX curY - - set curX $x - set curY $y - set curAngle [expr atan2($y, $x)] - bind $w.zinc <Motion> "$action %x %y" -} - -proc motion {x y} { - global w topGroup curX curY - - foreach {x1 y1 x2 y2} [$w.zinc transform $topGroup \ - [list $x $y $curX $curY]] break - $w.zinc translate $topGroup [expr $x1 - $x2] [expr $y1 - $y2] - set curX $x - set curY $y -} - -proc zoom {x y} { - global w topGroup curX curY - - if {$x > $curX} { - set maxX $x - } else { - set maxX $curX - } - if {$y > $curY} { - set maxY $y - } else { - set maxY $curY +namespace eval iconTransform { + variable w .iconTransform + catch {destroy $w} + toplevel $w + wm title $w "Zinc icon scale/rotate Demonstration" + wm iconname $w iconTransform + + variable defaultfont [font create -family Helvetica -size 16 -weight normal] + + grid [button $w.dismiss -text Dismiss -command "destroy $w"] -row 2 -column 0 -pady 10 + grid [button $w.code -text "See Code" -command "showCode $w"] -row 2 -column 1 -pady 10 + + + ########################################### + # Text zone + ####################### + #################### + + grid [text $w.text -relief sunken -borderwidth 2 -height 6] \ + -row 0 -column 0 -columnspan 2 -sticky ew + + $w.text insert end {You can transform this image with your mouse: + Drag-Button 1 for moving, + Drag-Button 2 for zooming, + Drag-Button 3 for rotating, + Shift-Drag-Button 1 for modifying the transparency (OpenGL only).} + + + ########################################### + # Zinc + ########################################## + grid [zinc $w.zinc -width 350 -height 250 -render 1 -font $defaultfont \ + -borderwidth 3 -relief sunken] -row 1 -column 0 -columnspan 2 -sticky news + grid columnconfigure $w 0 -weight 1 + grid columnconfigure $w 1 -weight 1 + grid rowconfigure $w 1 -weight 2 + + variable topGroup [$w.zinc add group 1] + + image create photo zincAA -file [file join $zinc_library demos images zinc.gif] + + variable zincAA [$w.zinc add icon $topGroup -image zincAA \ + -position {10 10} -composescale 1 -composerotation 1] + + $w.zinc add text $topGroup \ + -text "try to zoom/resize the banner!\nNow works also without openGL ;-)" \ + -color white -composescale 1 -composerotation 1 -position {15 100} + + # + # Controls for the window transform. + # + bind $w.zinc <ButtonPress-1> "::iconTransform::press motion %x %y" + bind $w.zinc <ButtonRelease-1> ::iconTransform::release + bind $w.zinc <ButtonPress-2> "::iconTransform::press zoom %x %y" + bind $w.zinc <ButtonRelease-2> ::iconTransform::release + bind $w.zinc <ButtonPress-3> "::iconTransform::press mouseRotate %x %y" + bind $w.zinc <ButtonRelease-3> ::iconTransform::release + + # + # Controls for alpha and gradient + # + bind $w.zinc <Shift-ButtonPress-1> "::iconTransform::press modifyAlpha %x %y" + bind $w.zinc <Shift-ButtonRelease-1> ::iconTransform::release + + + variable curX 0 + variable curY 0 + variable curAngle 0 + + proc press {action x y} { + variable w + variable curAngle + variable curX + variable curY + + set curX $x + set curY $y + set curAngle [expr atan2($y, $x)] + bind $w.zinc <Motion> "::iconTransform::$action %x %y" } - if {($maxX == 0) || ($maxY == 0)} { - return; + + proc motion {x y} { + variable w + variable topGroup + variable curX + variable curY + + foreach {x1 y1 x2 y2} [$w.zinc transform $topGroup \ + [list $x $y $curX $curY]] break + $w.zinc translate $topGroup [expr $x1 - $x2] [expr $y1 - $y2] + set curX $x + set curY $y } - set sx [expr 1.0 + (double($x - $curX) / $maxX)] - set sy [expr 1.0 + (double($y - $curY) / $maxY)] - $w.zinc scale $topGroup $sx $sx - set curX $x - set curY $y -} + proc zoom {x y} { + variable w + variable topGroup + variable curX + variable curY + + if {$x > $curX} { + set maxX $x + } else { + set maxX $curX + } + if {$y > $curY} { + set maxY $y + } else { + set maxY $curY + } + if {($maxX == 0) || ($maxY == 0)} { + return; + } + set sx [expr 1.0 + (double($x - $curX) / $maxX)] + set sy [expr 1.0 + (double($y - $curY) / $maxY)] + $w.zinc scale $topGroup $sx $sx + + set curX $x + set curY $y + } -proc mouseRotate {x y} { - global w curAngle topGroup + proc mouseRotate {x y} { + variable w + variable curAngle + variable topGroup - set lAngle [expr atan2($y, $x)] - $w.zinc rotate $topGroup [expr $lAngle - $curAngle] - set curAngle $lAngle -} + set lAngle [expr atan2($y, $x)] + $w.zinc rotate $topGroup [expr -($lAngle - $curAngle)] + set curAngle $lAngle + } -proc release {} { - global w + proc release {} { + variable w - bind $w.zinc <Motion> {} -} + bind $w.zinc <Motion> {} + } -proc modifyAlpha {x y} { - global w topGroup + proc modifyAlpha {x y} { + variable w + variable topGroup - set xRate [expr double($x) / [$w.zinc cget -width]] - set xRate [expr ($xRate < 0) ? 0 : ($xRate > 1) ? 1 : $xRate] - set alpha [expr int($xRate * 100)] + set xRate [expr double($x) / [$w.zinc cget -width]] + set xRate [expr ($xRate < 0) ? 0 : ($xRate > 1) ? 1 : $xRate] + set alpha [expr int($xRate * 100)] - $w.zinc itemconfigure $topGroup -alpha $alpha + $w.zinc itemconfigure $topGroup -alpha $alpha + } } |