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tdebindings/kjsembed/docs/examples/imunge/imunge_actions.js

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//
// Effect Browser
//
mw.create_effect_browser = function()
{
this.effectsdlg = new TQDialog( this );
var vb = new TQVBoxLayout( this.effectsdlg );
this.effects = Factory.loadui( 'effectbrowser.ui', null, this.effectsdlg );
vb.addWidget( this.effects );
}
mw.add_action = function( act )
{
var lv = this.effects.child( 'effects' );
var txt = act.text.replace( /&/g, '' );
lv.insertItem( txt );
}
mw.browse_effects = function()
{
this.effects.child('preview').pixmap = lbl.pixmap;
this.effectsdlg.exec();
}
/**
* Creates the actions for the image effects and defines the functions that
* provide the implementations.
*/
mw.create_all_effects = function( mw, ac )
{
this.imgfx = new ImageFX();
//
// Water color
//
var action = new KAction( ac, 'watercolor_action' );
action.text = '&Water Color';
action.icon = 'imageeffect';
mw.apply_watercolor = function()
{
this.img.setPixmap( lbl.pixmap );
this.img = this.imgfx.contrast(this.img, 200);
this.img = this.imgfx.despeckle(this.img);
this.img = this.imgfx.despeckle(this.img);
this.img = this.imgfx.despeckle(this.img);
this.img = this.imgfx.sharpen(this.img);
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_watercolor' );
this.add_action( action );
//
// To Gray
//
action = new KAction( ac, 'togray_action' );
action.text = '&Grayscale';
action.icon = 'imageeffect';
mw.apply_togray = function()
{
this.img = this.imgfx.toGray(this.img, false);
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_togray' );
this.add_action( action );
//
// Charcoal
//
action = new KAction( ac, 'charcoal_action' );
action.text = '&Charcoal';
action.icon = 'imageeffect';
mw.apply_charcoal = function()
{
this.img = this.imgfx.charcoal(this.img, 0.2);
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_charcoal' );
this.add_action( action );
//
// Implode
//
var action = new KAction( ac, 'implode_action' );
action.text = '&Implode';
action.icon = 'imageeffect';
mw.apply_implode = function()
{
this.img = this.imgfx.implode(this.img, 30, 'white');
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_implode' );
this.add_action( action );
//
// Emboss
//
action = new KAction( ac, 'emboss_action' );
action.text = '&Emboss';
action.icon = 'imageeffect';
mw.apply_emboss = function()
{
this.img = this.imgfx.emboss(this.img);
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_emboss' );
this.add_action( action );
//
// Normalize
//
action = new KAction( ac, 'normalize_action' );
action.text = '&Normalize';
action.icon = 'imageeffect';
mw.apply_normalize = function()
{
this.img = this.imgfx.normalize(this.img);
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_normalize' );
this.add_action( action );
//
// Equalize
//
action = new KAction( ac, 'equalize_action' );
action.text = 'Equa&lize';
action.icon = 'imageeffect';
mw.apply_equalize = function()
{
this.img = this.imgfx.equalize(this.img);
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_equalize' );
this.add_action( action );
//
// Despeckle
//
action = new KAction( ac, 'despeckle_action' );
action.text = '&Despeckle';
action.icon = 'imageeffect';
mw.apply_despeckle = function()
{
this.img = this.imgfx.despeckle(this.img);
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_despeckle' );
this.add_action( action );
}
mw.create_image_operations = function( mw, ac )
{
var action;
//
// Crop
//
action = new KAction( ac, 'crop_action' );
action.text = 'Crop...';
action.icon = 'crop';
mw.crop_image = function()
{
lbl.mousePressEvent = function(ev)
{
lbl.startx = ev.x;
lbl.starty = ev.y;
lbl.lastx = ev.x;
lbl.lasty = ev.y;
}
lbl.mouseMoveEvent = function(ev)
{
if (
( Math.abs( lbl.lastx - ev.x ) > 2 )
|| ( Math.abs( lbl.lasty - ev.y ) > 2 )
) {
this.repaint4( Math.min( lbl.lastx, lbl.startx ),
Math.min( lbl.lasty, lbl.starty ),
Math.abs( lbl.lastx - lbl.startx ),
Math.abs( lbl.lasty - lbl.starty ) );
this.drawLine( ev.x, ev.y, ev.x, lbl.starty );
this.drawLine( ev.x, lbl.starty, lbl.startx, lbl.starty );
this.drawLine( lbl.startx, lbl.starty, lbl.startx, ev.y );
this.drawLine( lbl.startx, ev.y, ev.x, ev.y );
lbl.lastx = ev.x;
lbl.lasty = ev.y;
}
}
lbl.mouseReleaseEvent = function(ev)
{
lbl.mousePressEvent = function(ev) {};
lbl.mouseMoveEvent = function(ev) {};
lbl.mouseReleaseEvent = function(ev) {};
var pix = new Pixmap();
var w = Math.abs( ev.x - lbl.startx );
var h = Math.abs( ev.y - lbl.starty );
pix.resize( w, h );
// var p = new Painter();
// p.setDevice( lbl );
// p.drawRect( w/2, h/2, w/4, h/4 );
mw.img.setPixmap( pix );
mw.update_view();
// var pix = lbl.pixmap;
// pix.resize( Math.abs( ev.x - lbl.startx ), Math.abs( ev.y - lbl.starty ) );
// mw.img.setPixmap( pix );
// mw.update_view();
}
}
action.connect( action, 'activated()', this, 'crop_image' );
//
// Resize
//
action = new KAction( ac, 'resize_action' );
action.text = 'Resize...';
action.icon = 'transform';
mw.resize_image = function()
{
var dlg = Factory.loadui( 'resizeparams.ui', null, this );
if ( !dlg.exec() ) {
return;
}
this.img.smoothScale( dlg.child('width_input').value,
dlg.child('height_input').value );
this.update_view();
}
action.connect( action, 'activated()', this, 'resize_image' );
//
// Rotate right
//
action = new KAction( ac, 'rotate_right_action' );
action.text = 'Rotate &Right';
action.icon = 'rotate_cw';
mw.apply_rotate_right = function()
{
this.img = this.imgfx.rotate( this.img, this.imgfx.Rotate90 );
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_rotate_right' );
//
// Rotate left
//
action = new KAction( ac, 'rotate_left_action' );
action.text = 'Rotate &Left';
action.icon = 'rotate';
mw.apply_rotate_left = function()
{
this.img = this.imgfx.rotate( this.img, this.imgfx.Rotate90 );
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_rotate_left' );
//
// Mirror Vertical
//
action = new KAction( ac, 'mirror_vertical_action' );
action.text = 'Mirror &Vertical';
mw.apply_mirror_vertical = function()
{
this.img.mirror( false, true );
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_mirror_vertical' );
//
// Mirror Horizontal
//
action = new KAction( ac, 'mirror_horizontal_action' );
action.text = 'Mirror &Horizontal';
mw.apply_mirror_horizontal = function()
{
this.img.mirror( true, false );
this.update_view();
}
action.connect( action, 'activated()', mw, 'apply_mirror_horizontal' );
}