diff options
Diffstat (limited to 'Area.py')
| -rw-r--r-- | Area.py | 71 |
1 files changed, 61 insertions, 10 deletions
@@ -69,10 +69,12 @@ import os import tempfile import math import pango +import numpy from fill import * from Desenho import Desenho from urlparse import urlparse + ##Tools and events manipulation are handle with this class. TARGET_URI = 0 @@ -80,7 +82,6 @@ TARGET_URI = 0 class Area(gtk.DrawingArea): - __gsignals__ = { 'undo': (gobject.SIGNAL_ACTION, gobject.TYPE_NONE, ([])), 'redo': (gobject.SIGNAL_ACTION, gobject.TYPE_NONE, ([])), @@ -227,7 +228,7 @@ class Area(gtk.DrawingArea): self.gc = win.new_gc() self.gc_eraser = win.new_gc() colormap = self.get_colormap() - self.white = colormap.alloc_color('#ffffff', True, True) # white + self.white = colormap.alloc_color('#ffffff', True, True) # white self.black = colormap.alloc_color('#000000', True, True) # black self.gc_eraser.set_foreground(self.white) @@ -555,7 +556,7 @@ class Area(gtk.DrawingArea): self.selmove = True self.sel_get_out = False self.emit('select') - elif self.sel_get_out: #get out of the func selection + elif self.sel_get_out: # get out of the func selection self.getout() try: del(self.d.pixbuf_resize) @@ -648,7 +649,7 @@ class Area(gtk.DrawingArea): if self.undo_times > 0: self.undo_times -= 1 self.redo_times += 1 - try: #to not try paint someting wrong + try: # to not try paint someting wrong self.pixmap.draw_drawable(self.gc, self.undo_list[self.undo_times], 0, 0, 0, 0, width, height) except: @@ -663,7 +664,7 @@ class Area(gtk.DrawingArea): #special case for func polygon if self.tool['name'] == 'freeform': - self.polygon_start = True #start the polygon again + self.polygon_start = True # start the polygon again self.emit('undo') @@ -680,7 +681,7 @@ class Area(gtk.DrawingArea): self.redo_times -= 1 self.undo_times += 1 - try: #to not try paint someting wrong + try: # to not try paint someting wrong self.pixmap.draw_drawable(self.gc, self.undo_list[self.undo_times], 0, 0, 0, 0, width, height) @@ -705,11 +706,11 @@ class Area(gtk.DrawingArea): if self.undo_surf: self.undo_times += 1 - self.undo_list.append(None)#alloc memory + self.undo_list.append(None) # alloc memory self.undo_list[self.undo_times] = gtk.gdk.Pixmap(widget.window, - width, height, -1) #define type + width, height, -1) # define type self.undo_list[self.undo_times].draw_drawable(self.gc, self.pixmap, - 0, 0, 0, 0, width, height) #copy workarea + 0, 0, 0, 0, width, height) # copy workarea self.undo_times += 1 self.redo_times = 0 self.first_undo = True @@ -915,6 +916,56 @@ class Area(gtk.DrawingArea): if not self.selmove: self.enableUndo(widget) + def invert_colors(self, widget): + """Apply invert effect. + + @param self -- the Area object (GtkDrawingArea) + @param widget -- the Area object (GtkDrawingArea) + + """ + + width, height = self.window.get_size() + + if self.selmove: + size = self.pixmap_sel.get_size() + pix = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, + size[0], size[1]) + pix.get_from_drawable(self.pixmap_sel, + gtk.gdk.colormap_get_system(), 0, 0, 0, 0, size[0], size[1]) + else: + pix = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, + width, height) + pix.get_from_drawable(self.pixmap, gtk.gdk.colormap_get_system(), + 0, 0, 0, 0, width, height) + + pix_manip2 = pix.get_pixels_array() + pix_manip = numpy.ones(pix_manip2.shape, dtype=numpy.uint8) * 255 + pix_manip2 = pix_manip - pix_manip2 + pix = gtk.gdk.pixbuf_new_from_array(pix_manip2, gtk.gdk.COLORSPACE_RGB, + 8) + + if self.selmove: + self.pixmap_sel.draw_pixbuf(self.gc, pix, 0, 0, 0, 0, + size[0], size[1], dither=gtk.gdk.RGB_DITHER_NORMAL, + x_dither=0, y_dither=0) + + self.pixmap_temp.draw_drawable(self.gc, self.pixmap, 0, 0, 0, 0, + width, height) + self.pixmap_temp.draw_drawable(self.gc, self.pixmap_sel, + 0, 0, self.orig_x, self.orig_y, size[0], size[1]) + self.pixmap_temp.draw_rectangle(self.gc_selection, False, + self.orig_x, self.orig_y, size[0], size[1]) + self.pixmap_temp.draw_rectangle(self.gc_selection1, False, + self.orig_x - 1, self.orig_y - 1, size[0] + 2, size[1] + 2) + + else: + self.pixmap.draw_pixbuf(self.gc, pix, 0, 0, 0, 0, width, height, + dither=gtk.gdk.RGB_DITHER_NORMAL, x_dither=0, y_dither=0) + + self.queue_draw() + if not self.selmove: + self.enableUndo(widget) + def _pixbuf2Image(self, pb): """change a pixbuf to RGB image @@ -1274,7 +1325,7 @@ class Area(gtk.DrawingArea): self.orig_x = 0 self.orig_y = 0 self.pixmap_temp.draw_rectangle(self.gc_selection, False, - 0, 0, width-1, height-1) + 0, 0, width - 1, height - 1) self.selmove = True self.sel_get_out = False self.emit('select') |