Re: Size of a GtkImage

From: Date: Sat, 11 Feb 2006 08:30:53 +0000
Subject: Re: Size of a GtkImage
References: 1 2 3 4  Groups: php.gtk.general 
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Ok, my last code : It is an application which can zoom in and zoom out an image. I will add this week some button to open file and more. <?php $zoom = 1; function zoom($scale){ //same zoom on width and on height global $image,$original_pixbuf; $height = $original_pixbuf->get_height(); $width = $original_pixbuf->get_width(); $new_width = $width*$scale; $new_height = $height*$scale;
   $new_pixbuf =     $original_pixbuf->scale_simple($new_width,$new_height,'GDK_INTERP_BILINEAR');
$image->set_from_pixbuf($new_pixbuf); } function zoom_in(){ global $zoom; $zoom = $zoom * 2; zoom($zoom); } function zoom_out(){ global $zoom; $zoom = $zoom / 2; zoom($zoom); } $window = new GtkWindow(); $window->set_title('PHP Test'); $window->connect_simple('destroy', array('gtk', 'main_quit')); $main = new GtkTable(1,2); $main->show(); $image = GtkImage::new_from_file("test.jpg"); $original_pixbuf = $image->get_pixbuf(); $scrolledWindow = new GtkScrolledWindow(); $scrolledWindow->add_with_viewport($image); $main->attach($scrolledWindow,0,1,0,1); $Vbox = new GtkVbox(); $Vbox->show(); $Vbox->set_spacing(10); $main->attach($Vbox,1,2,0,1,'GTK_FILL','GTK_SHRINK'); $button_zoom_in = new GtkButton("Zoom +"); $button_zoom_in->connect('clicked','zoom_in'); $Vbox->add($button_zoom_in); $button_zoom_out = new GtkButton("Zoom -"); $button_zoom_out->connect('clicked','zoom_out'); $Vbox->add($button_zoom_out); $window->add($main); $window->set_size_request(800,600); $window->show_all(); Gtk::main(); ?> Is it ok for you ? :) Breizh. Ron Tarrant a écrit :
For those who want to make zoom in or out, this is an example :
Hi Breizh, Could you post the entire example, please? In the code you posted, I didn't see any zoom controls or callbacks. -Ron T.


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