[Sugar-devel] [PATCH Paint Activity] Added Invert Color Effect to Paint Activity (OLPC #2495)
Manusheel Gupta
manu at seeta.in
Mon Oct 18 16:04:16 EDT 2010
FYI
---------- Forwarded message ----------
From: Ayush Goyal <ayush at seeta.in>
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 <sugar-devel at lists.sugarlabs.org>
Gonzalo,
Thank you for the review and feedback.
Please find the revised patch attached at http://dev.laptop.org/ticket/2495.
The icon developed can be found at http://seeta.in/dextrose/olpc2495/.
Looking forward to your review on the revised patch.
Appreciate your support.
Regards,
Ayush
_______________________________________________
On Mon, Oct 18, 2010 at 9:24 PM, Manusheel Gupta <manu at seeta.in> wrote:
> Gonzalo,
>
> Thank you for the feedback.
>
> This mistake was identified in Ayush's patch. He has configured sugar-lint
> and will run pep8 over the code.
>
> 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?
>
> Regards,
>
> Manu
>
>
> On Mon, Oct 18, 2010 at 9:14 PM, Gonzalo Odiard <godiard at gmail.com> wrote:
>
>> Ayush, please run pylint and pep8 over your code and attach to the ticket.
>> Thanks.
>>
>> Gonzalo
>>
>>
>>
>> On Sat, Oct 16, 2010 at 7:10 PM, Ayush Goyal <ayush at seeta.in> wrote:
>>
>>>
>>> Signed-off-by: Ayush Goyal <ayush at seeta.in>
>>> ---
>>> 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="http://www.openswatchbook.org/uri/2009/osb"
>>> + xmlns:dc="http://purl.org/dc/elements/1.1/"
>>> + xmlns:cc="http://creativecommons.org/ns#"
>>> + xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
>>> + xmlns:svg="http://www.w3.org/2000/svg"
>>> + xmlns="http://www.w3.org/2000/svg"
>>> + xmlns:xlink="http://www.w3.org/1999/xlink"
>>> + xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
>>> + xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
>>> + enable-background="new 0 0 55 55"
>>> + height="55px"
>>> + version="1.1"
>>> + viewBox="0 0 55 55"
>>> + width="55px"
>>> + x="0px"
>>> + xml:space="preserve"
>>> + y="0px"
>>> + id="svg2"
>>> + inkscape:version="0.48.0 r9654"
>>> + sodipodi:docname="invert-colors.svg"><metadata
>>> + id="metadata50"><rdf:RDF><cc:Work
>>> + rdf:about=""><dc:format>image/svg+xml</dc:format><dc:type
>>> + rdf:resource="http://purl.org/dc/dcmitype/StillImage"
>>> /></cc:Work></rdf:RDF></metadata><defs
>>> + id="defs48"><inkscape:path-effect
>>> + effect="skeletal"
>>> + id="path-effect5822"
>>> + is_visible="true"
>>> + pattern="M 0,0 0,10 10,5 z"
>>> + copytype="single_stretched"
>>> + prop_scale="1"
>>> + scale_y_rel="false"
>>> + spacing="0"
>>> + normal_offset="0"
>>> + tang_offset="0"
>>> + prop_units="false"
>>> + vertical_pattern="false"
>>> + fuse_tolerance="0" /><inkscape:path-effect
>>> + effect="skeletal"
>>> + id="path-effect5818"
>>> + is_visible="true"
>>> + pattern="M 0,0 0,10 10,5 z"
>>> + copytype="single_stretched"
>>> + prop_scale="1"
>>> + scale_y_rel="false"
>>> + spacing="0"
>>> + normal_offset="0"
>>> + tang_offset="0"
>>> + prop_units="false"
>>> + vertical_pattern="false"
>>> + fuse_tolerance="0" /><linearGradient
>>> + id="linearGradient5788"
>>> + osb:paint="solid"><stop
>>> + style="stop-color:#000000;stop-opacity:1;"
>>> + offset="0"
>>> + id="stop5790" /></linearGradient><linearGradient
>>> +
>>> gradientTransform="matrix(-4.371139e-8,1,-1,-4.371139e-8,55,-4.882812e-4)"
>>> + gradientUnits="userSpaceOnUse"
>>> + id="SVGID_1_-0"
>>> + x1="8.4995003"
>>> + x2="46.5"
>>> + y1="27.5"
>>> + y2="27.5"><stop
>>> + offset="0"
>>> + style="stop-color:#FF0000"
>>> + id="stop6-4" /><stop
>>> + offset="0.0044"
>>> + style="stop-color:#FF0500"
>>> + id="stop8-8" /><stop
>>> + offset="0.0489"
>>> + style="stop-color:#FF3000"
>>> + id="stop10-7" /><stop
>>> + offset="0.092"
>>> + style="stop-color:#FF5200"
>>> + id="stop12-1" /><stop
>>> + offset="0.1326"
>>> + style="stop-color:#FF6B00"
>>> + id="stop14-7" /><stop
>>> + offset="0.1699"
>>> + style="stop-color:#FF7A00"
>>> + id="stop16-2" /><stop
>>> + offset="0.2006"
>>> + style="stop-color:#FF7F00"
>>> + id="stop18-7" /><stop
>>> + offset="0.2506"
>>> + style="stop-color:#FF9200"
>>> + id="stop20-2" /><stop
>>> + offset="0.3497"
>>> + style="stop-color:#FFB300"
>>> + id="stop22-2" /><stop
>>> + offset="0.4042"
>>> + style="stop-color:#FFBF00"
>>> + id="stop24-6" /><stop
>>> + offset="0.4385"
>>> + style="stop-color:#E3CA03"
>>> + id="stop26-1" /><stop
>>> + offset="0.5423"
>>> + style="stop-color:#93EB0C"
>>> + id="stop28-0" /><stop
>>> + offset="0.5898"
>>> + style="stop-color:#73F80F"
>>> + id="stop30-6" /><stop
>>> + offset="0.6159"
>>> + style="stop-color:#6AF11D"
>>> + id="stop32-1" /><stop
>>> + offset="0.6649"
>>> + style="stop-color:#54E041"
>>> + id="stop34-5" /><stop
>>> + offset="0.7315"
>>> + style="stop-color:#2FC47B"
>>> + id="stop36-9" /><stop
>>> + offset="0.8084"
>>> + style="stop-color:#00A0C6"
>>> + id="stop38-4" /><stop
>>> + offset="0.8916"
>>> + style="stop-color:#1C64CB"
>>> + id="stop40-9" /><stop
>>> + offset="1"
>>> + style="stop-color:#4210D2"
>>> + id="stop42-0" /></linearGradient><linearGradient
>>> +
>>> gradientTransform="matrix(-4.371139e-8,1,-1,-4.371139e-8,55,-4.882812e-4)"
>>> + gradientUnits="userSpaceOnUse"
>>> + id="SVGID_1_-0-1"
>>> + x1="8.4995003"
>>> + x2="46.5"
>>> + y1="27.5"
>>> + y2="27.5"><stop
>>> + offset="0"
>>> + style="stop-color:#FF0000"
>>> + id="stop6-4-7" /><stop
>>> + offset="0.0044"
>>> + style="stop-color:#FF0500"
>>> + id="stop8-8-5" /><stop
>>> + offset="0.0489"
>>> + style="stop-color:#FF3000"
>>> + id="stop10-7-9" /><stop
>>> + offset="0.092"
>>> + style="stop-color:#FF5200"
>>> + id="stop12-1-6" /><stop
>>> + offset="0.1326"
>>> + style="stop-color:#FF6B00"
>>> + id="stop14-7-2" /><stop
>>> + offset="0.1699"
>>> + style="stop-color:#FF7A00"
>>> + id="stop16-2-1" /><stop
>>> + offset="0.2006"
>>> + style="stop-color:#FF7F00"
>>> + id="stop18-7-7" /><stop
>>> + offset="0.2506"
>>> + style="stop-color:#FF9200"
>>> + id="stop20-2-8" /><stop
>>> + offset="0.3497"
>>> + style="stop-color:#FFB300"
>>> + id="stop22-2-5" /><stop
>>> + offset="0.4042"
>>> + style="stop-color:#FFBF00"
>>> + id="stop24-6-7" /><stop
>>> + offset="0.4385"
>>> + style="stop-color:#E3CA03"
>>> + id="stop26-1-4" /><stop
>>> + offset="0.5423"
>>> + style="stop-color:#93EB0C"
>>> + id="stop28-0-1" /><stop
>>> + offset="0.5898"
>>> + style="stop-color:#73F80F"
>>> + id="stop30-6-8" /><stop
>>> + offset="0.6159"
>>> + style="stop-color:#6AF11D"
>>> + id="stop32-1-5" /><stop
>>> + offset="0.6649"
>>> + style="stop-color:#54E041"
>>> + id="stop34-5-9" /><stop
>>> + offset="0.7315"
>>> + style="stop-color:#2FC47B"
>>> + id="stop36-9-7" /><stop
>>> + offset="0.8084"
>>> + style="stop-color:#00A0C6"
>>> + id="stop38-4-5" /><stop
>>> + offset="0.8916"
>>> + style="stop-color:#1C64CB"
>>> + id="stop40-9-3" /><stop
>>> + offset="1"
>>> + style="stop-color:#4210D2"
>>> + id="stop42-0-8" /></linearGradient><linearGradient
>>> + y2="27.5"
>>> + x2="46.5"
>>> + y1="27.5"
>>> + x1="8.4995003"
>>> +
>>> gradientTransform="matrix(-4.371139e-8,1,-1,-4.371139e-8,55,-4.882812e-4)"
>>> + gradientUnits="userSpaceOnUse"
>>> + id="linearGradient3454"
>>> + xlink:href="#SVGID_1_-0-1"
>>> + inkscape:collect="always" /><filter
>>> + id="filter3547"
>>> + inkscape:label="Invert"
>>> + x="0"
>>> + y="0"
>>> + width="1"
>>> + height="1"
>>> + inkscape:menu="Color"
>>> + inkscape:menu-tooltip="Invert colors"
>>> + color-interpolation-filters="sRGB"><feColorMatrix
>>> + id="feColorMatrix3549"
>>> + type="saturate"
>>> + values="1"
>>> + result="fbSourceGraphic" /><feColorMatrix
>>> + id="feColorMatrix3551"
>>> + in="fbSourceGraphic"
>>> + values="-1 0 0 0 1 0 -1 0 0 1 0 0 -1 0 1 0 0 0 1 0 "
>>> /></filter></defs><sodipodi:namedview
>>> + pagecolor="#ffffff"
>>> + bordercolor="#666666"
>>> + borderopacity="1"
>>> + objecttolerance="10"
>>> + gridtolerance="10"
>>> + guidetolerance="10"
>>> + inkscape:pageopacity="0"
>>> + inkscape:pageshadow="2"
>>> + inkscape:window-width="1280"
>>> + inkscape:window-height="751"
>>> + id="namedview46"
>>> + showgrid="false"
>>> + inkscape:zoom="9.7454545"
>>> + inkscape:cx="8.7733208"
>>> + inkscape:cy="27.5"
>>> + inkscape:window-x="0"
>>> + inkscape:window-y="24"
>>> + inkscape:window-maximized="1"
>>> + inkscape:current-layer="svg2" /><g
>>> + transform="matrix(0.3848602,0,0,0.3848602,7.5641324,7.5767221)"
>>> + style="display:block"
>>> + display="block"
>>> + id="effect-rainbow-9"><linearGradient
>>> +
>>> gradientTransform="matrix(-4.371139e-8,1,-1,-4.371139e-8,55,-4.882812e-4)"
>>> + gradientUnits="userSpaceOnUse"
>>> + id="linearGradient3183"
>>> + x1="8.4995003"
>>> + x2="46.5"
>>> + y1="27.5"
>>> + y2="27.5"><stop
>>> + offset="0"
>>> + style="stop-color:#FF0000"
>>> + id="stop3185" /><stop
>>> + offset="0.0044"
>>> + style="stop-color:#FF0500"
>>> + id="stop3187" /><stop
>>> + offset="0.0489"
>>> + style="stop-color:#FF3000"
>>> + id="stop3189" /><stop
>>> + offset="0.092"
>>> + style="stop-color:#FF5200"
>>> + id="stop3191" /><stop
>>> + offset="0.1326"
>>> + style="stop-color:#FF6B00"
>>> + id="stop3193" /><stop
>>> + offset="0.1699"
>>> + style="stop-color:#FF7A00"
>>> + id="stop3195" /><stop
>>> + offset="0.2006"
>>> + style="stop-color:#FF7F00"
>>> + id="stop3197" /><stop
>>> + offset="0.2506"
>>> + style="stop-color:#FF9200"
>>> + id="stop3199" /><stop
>>> + offset="0.3497"
>>> + style="stop-color:#FFB300"
>>> + id="stop3201" /><stop
>>> + offset="0.4042"
>>> + style="stop-color:#FFBF00"
>>> + id="stop3203" /><stop
>>> + offset="0.4385"
>>> + style="stop-color:#E3CA03"
>>> + id="stop3205" /><stop
>>> + offset="0.5423"
>>> + style="stop-color:#93EB0C"
>>> + id="stop3207" /><stop
>>> + offset="0.5898"
>>> + style="stop-color:#73F80F"
>>> + id="stop3209" /><stop
>>> + offset="0.6159"
>>> + style="stop-color:#6AF11D"
>>> + id="stop3211" /><stop
>>> + offset="0.6649"
>>> + style="stop-color:#54E041"
>>> + id="stop3213" /><stop
>>> + offset="0.7315"
>>> + style="stop-color:#2FC47B"
>>> + id="stop3215" /><stop
>>> + offset="0.8084"
>>> + style="stop-color:#00A0C6"
>>> + id="stop3217" /><stop
>>> + offset="0.8916"
>>> + style="stop-color:#1C64CB"
>>> + id="stop3219" /><stop
>>> + offset="1"
>>> + style="stop-color:#4210D2"
>>> + id="stop3221" /></linearGradient><rect
>>> + style="fill:url(#SVGID_1_-0);stroke:#ffffff;stroke-width:3.5"
>>> + height="38"
>>> + width="38"
>>> + x="8.5"
>>> + y="8.5"
>>> + id="rect44-1" /></g><g
>>> + transform="matrix(0.3848602,0,0,0.3848602,26.242514,26.259729)"
>>> + style="display:block;filter:url(#filter3547)"
>>> + display="block"
>>> + id="effect-rainbow-9-8"><linearGradient
>>> +
>>> gradientTransform="matrix(-4.371139e-8,1,-1,-4.371139e-8,55,-4.882812e-4)"
>>> + gradientUnits="userSpaceOnUse"
>>> + id="linearGradient3183-3"
>>> + x1="8.4995003"
>>> + x2="46.5"
>>> + y1="27.5"
>>> + y2="27.5"><stop
>>> + offset="0"
>>> + style="stop-color:#FF0000"
>>> + id="stop3185-1" /><stop
>>> + offset="0.0044"
>>> + style="stop-color:#FF0500"
>>> + id="stop3187-8" /><stop
>>> + offset="0.0489"
>>> + style="stop-color:#FF3000"
>>> + id="stop3189-9" /><stop
>>> + offset="0.092"
>>> + style="stop-color:#FF5200"
>>> + id="stop3191-6" /><stop
>>> + offset="0.1326"
>>> + style="stop-color:#FF6B00"
>>> + id="stop3193-4" /><stop
>>> + offset="0.1699"
>>> + style="stop-color:#FF7A00"
>>> + id="stop3195-3" /><stop
>>> + offset="0.2006"
>>> + style="stop-color:#FF7F00"
>>> + id="stop3197-3" /><stop
>>> + offset="0.2506"
>>> + style="stop-color:#FF9200"
>>> + id="stop3199-3" /><stop
>>> + offset="0.3497"
>>> + style="stop-color:#FFB300"
>>> + id="stop3201-8" /><stop
>>> + offset="0.4042"
>>> + style="stop-color:#FFBF00"
>>> + id="stop3203-6" /><stop
>>> + offset="0.4385"
>>> + style="stop-color:#E3CA03"
>>> + id="stop3205-0" /><stop
>>> + offset="0.5423"
>>> + style="stop-color:#93EB0C"
>>> + id="stop3207-4" /><stop
>>> + offset="0.5898"
>>> + style="stop-color:#73F80F"
>>> + id="stop3209-8" /><stop
>>> + offset="0.6159"
>>> + style="stop-color:#6AF11D"
>>> + id="stop3211-8" /><stop
>>> + offset="0.6649"
>>> + style="stop-color:#54E041"
>>> + id="stop3213-8" /><stop
>>> + offset="0.7315"
>>> + style="stop-color:#2FC47B"
>>> + id="stop3215-9" /><stop
>>> + offset="0.8084"
>>> + style="stop-color:#00A0C6"
>>> + id="stop3217-7" /><stop
>>> + offset="0.8916"
>>> + style="stop-color:#1C64CB"
>>> + id="stop3219-7" /><stop
>>> + offset="1"
>>> + style="stop-color:#4210D2"
>>> + id="stop3221-6" /></linearGradient><rect
>>> +
>>> style="fill:url(#linearGradient3454);stroke:#ffffff;stroke-width:3.5"
>>> + height="38"
>>> + width="38"
>>> + x="8.5"
>>> + y="8.5"
>>> + id="rect44-1-4" /></g><path
>>> +
>>> style="fill:#ffffff;fill-opacity:1;stroke:#ffffff;stroke-width:2.011;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:5.30000019;stroke-opacity:1;stroke-dasharray:none"
>>> + d="m 29.660555,15.426382 9.395759,0 0,8.300232 0.538129,0
>>> -0.783268,1.678014 -0.856517,-1.67529 0.553319,-0.01848 -0.108147,-7.746052
>>> -8.70531,0 z"
>>> + id="path5850"
>>> + inkscape:connector-curvature="0"
>>> + sodipodi:nodetypes="cccccccccc" /><path
>>> +
>>> style="fill:#000000;fill-opacity:1;stroke:#ffffff;stroke-width:2.011;stroke-linecap:butt;stroke-linejoin:miter;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none"
>>> + d="m 25.355629,39.092534 -9.395759,0 0,-8.300232 -0.538129,0
>>> 0.783268,-1.678013 0.856517,1.675289 -0.553319,0.01848 0.108147,7.746052
>>> 8.70531,0 z"
>>> + id="path5850-9"
>>> + inkscape:connector-curvature="0"
>>> + sodipodi:nodetypes="cccccccccc" /></svg>
>>> \ No newline at end of file
>>> diff --git a/toolbox.py b/toolbox.py
>>> index 299181b..0c3105c 100644
>>> --- a/toolbox.py
>>> +++ b/toolbox.py
>>> @@ -1230,6 +1230,8 @@ class ImageToolbar(gtk.Toolbar):
>>> class EffectsToolbar(gtk.Toolbar):
>>>
>>> _EFFECT_GRAYSCALE = 'grayscale'
>>> + _INVERT_COLOR = 'invert-colors'
>>> +
>>> # Rainbow acts as a tool in Area, and it has to be described as a
>>> dict
>>> _EFFECT_RAINBOW = {
>>> 'name' : 'rainbow',
>>> @@ -1256,10 +1258,16 @@ class EffectsToolbar(gtk.Toolbar):
>>> self._effect_rainbow =
>>> DrawToolButton('effect-rainbow',activity.tool_group,_('Rainbow'))
>>> self.insert(self._effect_rainbow, -1)
>>> self._configure_palette(self._effect_rainbow,
>>> self._EFFECT_RAINBOW)
>>> -
>>> +
>>> +
>>> separator = gtk.SeparatorToolItem()
>>> self.insert(separator, -1)
>>>
>>> + self._invert_colors = ToolButton('invert-colors')
>>> + 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
>>>
>>>
>>
>>
>> --
>> Gonzalo Odiard
>>
>>
>>
>
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