gloss-mc/ui_elements/image_frame.py

import pygtk
import gtk
import pango
import clutter
import os
from ui_elements.ReflectionTexture import Texture_Reflection

class ImageFrame(clutter.Group):
    QUALITY_FAST, QUALITY_NORMAL, QUALITY_SLOW = range(3)
    quality = QUALITY_NORMAL
    
    def __init__(self, pixbuf, img_size, use_reflection = False, quality = QUALITY_NORMAL):
        clutter.Group.__init__(self)
        self.width = img_size
        self.height = img_size
        self.img_size = img_size
        self.use_reflection = use_reflection
        self.quality = quality
        
        self.main_pic = clutter.Texture()

        #If a reflection is desired, add it on
        
        
        #pixbuf can be None, it just means that nothing appears initially
        if pixbuf is None: 
            self.add(self.main_pic)
            
            if use_reflection:
                self.reflection = Texture_Reflection(self.main_pic)
                self.add(self.reflection)
                self.reflection.show()
            else:
                self.reflection = None
                
            return

        pixbuf = self.resize_pixbuf(pixbuf)
        
        self.main_pic.set_pixbuf(pixbuf)
        self.main_pic.set_position(self.x, self.y)
        self.main_pic.show()  
        
        if use_reflection:
            self.reflection = Texture_Reflection(self.main_pic)
            self.add(self.reflection)
            self.reflection.show()
        else:
            self.reflection = None      
               
        self.add(self.main_pic)
        
    def resize_pixbuf(self, pixbuf):
        #New method of resizing changes size of pixbuf rather than texture.... MUCH better performance :)
        (self.x, self.y) = (0, 0)
        if pixbuf.get_height() > pixbuf.get_width():
            xy_ratio = float(pixbuf.get_width()) / pixbuf.get_height()
            height = self.img_size
            width = int(self.img_size * xy_ratio)
            self.x = (self.img_size - width)/2
            #x = int(cover_size / 2)
            #x = x + (cover_size - width)
        else:
            xy_ratio = float(pixbuf.get_height()) / float(pixbuf.get_width())
            width = self.img_size
            height = int(self.img_size * xy_ratio)
            self.y = (self.img_size - height)/2
            #y = y + (cover_size - height)
        
        #Set the conversion mode / quality
        if self.quality == self.QUALITY_FAST: conversion_mode = gtk.gdk.INTERP_NEAREST #gtk.gdk.INTERP_TILES
        elif self.quality == self.QUALITY_NORMAL: conversion_mode = gtk.gdk.INTERP_BILINEAR
        elif self.quality == self.QUALITY_SLOW: conversion_mode = gtk.gdk.INTERP_HYPER
        pixbuf = pixbuf.scale_simple(width, height, conversion_mode)
        
        return pixbuf
        
    def set_pixbuf(self, pixbuf):
        pixbuf = self.resize_pixbuf(pixbuf)
        self.main_pic.set_pixbuf(pixbuf)
        self.main_pic.set_position(self.x, self.y)
        self.main_pic.show()