[Sugar-devel] [PATCH Paint activity v2] Implemented Mirroring Effect in Paint Activity (SL#2463)
Ayush Goyal
ayush at seeta.in
Wed Oct 20 10:30:16 EDT 2010
Two mirror effects 'Mirror Horizontal' and 'Mirror Vertical' have been added.
Mirror horizontal tool flips the entire image or selected area horizontally.
Mirror vertical tool does the same vertically.
Signed-off-by: Ayush Goyal <ayush at seeta.in>
---
Area.py | 47 ++++++++
icons/mirror-horizontal.svg | 272 +++++++++++++++++++++++++++++++++++++++++++
icons/mirror-vertical.svg | 272 +++++++++++++++++++++++++++++++++++++++++++
toolbox.py | 18 +++
4 files changed, 609 insertions(+), 0 deletions(-)
create mode 100644 icons/mirror-horizontal.svg
create mode 100644 icons/mirror-vertical.svg
v1->v2:Standardized to pep8 and optimized the code
diff --git a/Area.py b/Area.py
index 35d38b3..ba022f5 100644
--- a/Area.py
+++ b/Area.py
@@ -966,6 +966,53 @@ class Area(gtk.DrawingArea):
if not self.selmove:
self.enableUndo(widget)
+ def mirror(self, widget, horizontal=True):
+ """Apply mirror horizontal/vertical effect.
+
+ @param self -- the Area object (GtkDrawingArea)
+ @param widget -- the Area object (GtkDrawingArea)
+ @param horizontal -- If true sets flip as horizontal else vertical
+
+ """
+
+ 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 = pix.flip(horizontal)
+
+ 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/mirror-horizontal.svg b/icons/mirror-horizontal.svg
new file mode 100644
index 0000000..2554356
--- /dev/null
+++ b/icons/mirror-horizontal.svg
@@ -0,0 +1,272 @@
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+ 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"
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+ version="1.1"
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+ width="55px"
+ x="0px"
+ xml:space="preserve"
+ y="0px"
+ id="svg2"
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+ sodipodi:docname="mirror-horizontal.svg"><metadata
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diff --git a/icons/mirror-vertical.svg b/icons/mirror-vertical.svg
new file mode 100644
index 0000000..0bfd72b
--- /dev/null
+++ b/icons/mirror-vertical.svg
@@ -0,0 +1,272 @@
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+ id="path3928"
+ sodipodi:sides="3"
+ sodipodi:cx="19.393658"
+ sodipodi:cy="8.2089548"
+ sodipodi:r1="10.515096"
+ sodipodi:r2="5.2575479"
+ sodipodi:arg1="0.52359878"
+ sodipodi:arg2="1.5707963"
+ inkscape:flatsided="true"
+ inkscape:rounded="0"
+ inkscape:randomized="0"
+ d="m 28.499998,13.466503 -18.21268,0 9.10634,-15.7726439 z"
+ inkscape:transform-center-y="-2.6287739"
+ transform="translate(7.0802239,4.8246269)" /><path
+ sodipodi:type="star"
+ style="fill:#ffffff;fill-opacity:1;stroke:#000000;stroke-width:1.11099994;stroke-linecap:round;stroke-linejoin:round;stroke-miterlimit:4;stroke-opacity:1;stroke-dasharray:none;stroke-dashoffset:0"
+ id="path3928-8"
+ sodipodi:sides="3"
+ sodipodi:cx="19.393658"
+ sodipodi:cy="8.2089548"
+ sodipodi:r1="10.515096"
+ sodipodi:r2="5.2575479"
+ sodipodi:arg1="0.52359878"
+ sodipodi:arg2="1.5707963"
+ inkscape:flatsided="true"
+ inkscape:rounded="0"
+ inkscape:randomized="0"
+ d="m 28.499998,13.466503 -18.21268,0 9.10634,-15.7726439 z"
+ inkscape:transform-center-y="2.6287735"
+ transform="matrix(1,0,0,-1,7.4906711,48.214509)" /><path
+ style="fill:none;stroke:#000000;stroke-width:1;stroke-linecap:butt;stroke-linejoin:miter;stroke-opacity:1;stroke-miterlimit:4;stroke-dasharray:1,1;stroke-dashoffset:0"
+ d="M 0.20522388,26.679104 55,26.47388 l -0.307836,0.102612 0.205224,0"
+ id="path3948"
+ inkscape:connector-curvature="0" /></svg>
\ No newline at end of file
diff --git a/toolbox.py b/toolbox.py
index 1ff4e6f..d8b75ee 100644
--- a/toolbox.py
+++ b/toolbox.py
@@ -1276,6 +1276,16 @@ class EffectsToolbar(gtk.Toolbar):
separator = gtk.SeparatorToolItem()
self.insert(separator, -1)
+ self._mirror_horizontal = ToolButton('mirror-horizontal')
+ self.insert(self._mirror_horizontal, -1)
+ self._mirror_horizontal.show()
+ self._mirror_horizontal.set_tooltip(_('Mirror Horizontal'))
+
+ self._mirror_vertical = ToolButton('mirror-vertical')
+ self.insert(self._mirror_vertical, -1)
+ self._mirror_vertical.show()
+ self._mirror_vertical.set_tooltip(_('Mirror Vertical'))
+
"""
#FIXME: Must be implemented
self._black_and_white = ToolButton('black_and_white')
@@ -1290,6 +1300,8 @@ class EffectsToolbar(gtk.Toolbar):
self._effect_grayscale.connect('clicked', self.grayscale)
self._effect_rainbow.connect('clicked', self.rainbow)
self._invert_colors.connect('clicked', self.invert_colors)
+ self._mirror_vertical.connect('clicked', self.mirror_vertical)
+ self._mirror_horizontal.connect('clicked', self.mirror_horizontal)
##Make the colors be in grayscale
def grayscale(self, widget):
@@ -1302,6 +1314,12 @@ class EffectsToolbar(gtk.Toolbar):
def invert_colors(self, widget):
self._activity.area.invert_colors(widget)
+ def mirror_horizontal(self, widget):
+ self._activity.area.mirror(widget)
+
+ def mirror_vertical(self, widget):
+ self._activity.area.mirror(widget, horizontal=False)
+
# setting cursor: moved to Area
def _configure_palette(self, button, tool=None):
--
1.7.1
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