<div>FYI</div><div> </div>---------- Forwarded message ---------- From: Ayush Goyal <<a href="mailto:ayush@seeta.in">ayush@seeta.in</a>> Date: Tue, Oct 19, 2010 at 1:28 AM Subject: Re: [Sugar-devel] [PATCH Paint Activity] Added Invert Color Effect to Paint Activity (OLPC #2495) To: Cc: sugar-devel <<a href="mailto:sugar-devel@lists.sugarlabs.org">sugar-devel@lists.sugarlabs.org</a>> <div class="im"> Gonzalo, Thank you for the review and feedback. Please find the revised patch attached at <a href="http://dev.laptop.org/ticket/2495" target="_blank">http://dev.laptop.org/ticket/2495</a>. The icon developed can be found at <a href="http://seeta.in/dextrose/olpc2495/" target="_blank">http://seeta.in/dextrose/olpc2495/</a>. Looking forward to your review on the revised patch. Appreciate your support. Regards, Ayush </div>_______________________________________________ <div class="gmail_quote">On Mon, Oct 18, 2010 at 9:24 PM, Manusheel Gupta <<a href="mailto:manu@seeta.in">manu@seeta.in</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">Gonzalo,<div> </div><div>Thank you for the feedback.</div><div> </div><div>This mistake was identified in Ayush's patch. He has configured sugar-lint and will run pep8 over the code.</div> <div> </div><div>I have also asked him to attach the patch at the ticket. Do you want him to open a separate ticket at Sugarlabs bug tracker, and upload the patch over there?</div> <div> </div><div>Regards,</div><div> </div><div>Manu</div><div><div></div><div class="h5"><div> <div class="gmail_quote">On Mon, Oct 18, 2010 at 9:14 PM, Gonzalo Odiard <<a href="mailto:godiard@gmail.com" target="_blank">godiard@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Ayush, please run pylint and pep8 over your code and attach to the ticket. Thanks. Gonzalo<div><div></div><div> <div class="gmail_quote">On Sat, Oct 16, 2010 at 7:10 PM, Ayush Goyal <<a href="mailto:ayush@seeta.in" target="_blank">ayush@seeta.in</a>> wrote: <blockquote class="gmail_quote" style="margin:0pt 0pt 0pt 0.8ex;border-left:1px solid rgb(204, 204, 204);padding-left:1ex"> Signed-off-by: Ayush Goyal <<a href="mailto:ayush@seeta.in" target="_blank">ayush@seeta.in</a>> --- Area.py | 40 +++++ icons/invert-colors.svg | 387 +++++++++++++++++++++++++++++++++++++++++++++++ toolbox.py | 22 ++- 3 files changed, 441 insertions(+), 8 deletions(-) create mode 100644 icons/invert-colors.svg diff --git a/Area.py b/Area.py index 2dca7da..7c7f4c5 100644 --- a/Area.py +++ b/Area.py @@ -70,6 +70,7 @@ import pango from fill import * from Desenho import Desenho from urlparse import urlparse +import numpy ##Tools and events manipulation are handle with this class. @@ -833,6 +834,45 @@ class Area(gtk.DrawingArea): self.queue_draw() if not self.selmove: self.enableUndo(widget) + + def invert_colors(self,widget): + """Apply invert color 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 diff --git a/icons/invert-colors.svg b/icons/invert-colors.svg new file mode 100644 index 0000000..373ca70 --- /dev/null +++ b/icons/invert-colors.svg @@ -0,0 +1,387 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<svg + xmlns:osb="<a href="http://www.openswatchbook.org/uri/2009/osb" target="_blank">http://www.openswatchbook.org/uri/2009/osb</a>" 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self.insert(self._invert_colors, -1) + self._invert_colors.show() + self._invert_colors.set_tooltip(_('Invert Colors')) + """ #FIXME: Must be implemented self._black_and_white = ToolButton('black_and_white') @@ -1267,16 +1275,11 @@ class EffectsToolbar(gtk.Toolbar): self._black_and_white.show() self._black_and_white.connect('clicked', test_connect, activity, 'effect-black-and-white') self._black_and_white.set_tooltip(_('Black and White')) - - self._invert_colors = ToolButton('invert_colors') - self.insert(self._invert_colors, -1) - self._invert_colors.show() - self._invert_colors.connect('clicked', test_connect, activity, 'invert-colors') - self._invert_colors.set_tooltip(_('Invert Colors')) - """ + self._effect_grayscale.connect('clicked', self.grayscale) self._effect_rainbow.connect('clicked', self.rainbow) + self._invert_colors.connect('clicked', self.invert_colors) ##Make the colors be in grayscale def grayscale(self, widget): @@ -1285,6 +1288,9 @@ class EffectsToolbar(gtk.Toolbar): ##Like the brush, but change it color when painting def rainbow(self, widget): self._activity.area.set_tool(self._EFFECT_RAINBOW) + + def invert_colors(self,widget): + self._activity.area.invert_colors(widget) # setting cursor: moved to Area -- 1.7.1 </blockquote></div> </div></div>-- Gonzalo Odiard </blockquote></div> </div> </div></div></blockquote></div>