diff options
Diffstat (limited to 'Area.py')
| -rw-r--r-- | Area.py | 94 |
1 files changed, 84 insertions, 10 deletions
@@ -131,6 +131,7 @@ class Area(gtk.DrawingArea): ## with the following keys: ## - 'name' : a string ## - 'line size' : a integer + ## - 'stamp size' : a integer ## - 'fill color' : a gtk.gdk.Color object ## - 'stroke color' : a gtk.gdk.Color object ## - 'line shape' : a string - 'circle' or 'square', for now @@ -140,6 +141,7 @@ class Area(gtk.DrawingArea): self.tool = { 'name': 'pencil', 'line size': 4, + 'stamp size': 20, 'fill color': None, 'stroke color': None, 'line shape': 'circle', @@ -286,14 +288,24 @@ class Area(gtk.DrawingArea): Show the shape of the tool selected for pencil, brush, rainbow and eraser """ - if self.tool['name'] in ['pencil', 'eraser', 'brush', 'rainbow']: + if self.tool['name'] in ['pencil', 'eraser', 'brush', 'rainbow', + 'stamp']: if not self.drawing: - size = self.tool['line size'] - if self.tool['line shape'] == 'circle': + # draw stamp border in widget.window + if self.tool['name'] == 'stamp': + wr, hr = self.stamp_dimentions + widget.window.draw_rectangle(self.gc_brush, False, + self.x_cursor - wr / 2, self.y_cursor - hr / 2, + wr, hr) + + # draw shape of the brush, square or circle + elif self.tool['line shape'] == 'circle': + size = self.tool['line size'] widget.window.draw_arc(self.gc_brush, False, self.x_cursor - size / 2, self.y_cursor - size / 2, size, size, 0, 360 * 64) else: + size = self.tool['line size'] widget.window.draw_rectangle(self.gc_brush, False, self.x_cursor - size / 2, self.y_cursor - size / 2, size, size) @@ -355,6 +367,12 @@ class Area(gtk.DrawingArea): self.tool['line shape']) self.last = coords self.drawing = True + elif self.tool['name'] == 'stamp': + self.last = [] + self.d.stamp(widget, coords, self.last, + self.tool['stamp size']) + self.last = coords + self.drawing = True elif self.tool['name'] == 'rainbow': self.last = [] self.d.rainbow(widget, coords, self.last, @@ -412,7 +430,7 @@ class Area(gtk.DrawingArea): if state & gtk.gdk.BUTTON1_MASK and self.pixmap != None: if self.tool['name'] == 'pencil': self.d.brush(widget, coords, self.last, - self.tool['line size'], 'circle') + self.tool['line size'], self.tool['line shape']) self.last = coords elif self.tool['name'] == 'eraser': @@ -425,6 +443,11 @@ class Area(gtk.DrawingArea): self.tool['line size'], self.tool['line shape']) self.last = coords + elif self.tool['name'] == 'stamp': + self.d.stamp(widget, coords, self.last, + self.tool['stamp size']) + self.last = coords + elif self.tool['name'] == 'rainbow': self.d.rainbow(widget, coords, self.last, self.rainbow_counter, self.tool['line size'], @@ -496,7 +519,8 @@ class Area(gtk.DrawingArea): self.configure_line(self.tool['line size']) self.d.heart(widget, coords, True, self.tool['fill']) else: - if self.tool['name'] in ['brush', 'eraser', 'rainbow', 'pencil']: + if self.tool['name'] in ['brush', 'eraser', 'rainbow', 'pencil', + 'stamp']: widget.queue_draw() if self.tool['name'] == 'marquee-rectangular' and self.selmove: size = self.pixmap_sel.get_size() @@ -616,7 +640,8 @@ class Area(gtk.DrawingArea): self.d.heart(widget, coords, False, self.tool['fill']) self.enableUndo(widget) - if self.tool['name'] in ['brush', 'eraser', 'rainbow', 'pencil']: + if self.tool['name'] in ['brush', 'eraser', 'rainbow', 'pencil', + 'stamp']: self.last = [] widget.queue_draw() self.enableUndo(widget) @@ -624,19 +649,65 @@ class Area(gtk.DrawingArea): self.desenha = False def mouseleave(self, widget, event): - if self.tool['name'] in ['pencil', 'eraser', 'brush', 'rainbow']: + if self.tool['name'] in ['pencil', 'eraser', 'brush', 'rainbow', + 'stamp']: self.drawing = True size = self.tool['line size'] widget.queue_draw_area(self.x_cursor - size, self.y_cursor - size, size * 2, size * 2) def mouseenter(self, widget, event): - if self.tool['name'] in ['pencil', 'eraser', 'brush', 'rainbow']: + if self.tool['name'] in ['pencil', 'eraser', 'brush', 'rainbow', + 'stamp']: self.drawing = False size = self.tool['line size'] widget.queue_draw_area(self.x_cursor - size, self.y_cursor - size, size * 2, size * 2) + def setup_stamp(self): + """Prepare for stamping from the selected area. + + @param self -- the Area object (GtkDrawingArea) + """ + logging.debug('Area.setup_stamp(self)') + + if self.is_selected(): + # Change stamp, get it from selection: + width, height = self.pixmap_sel.get_size() + self.pixbuf_stamp = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, + 8, width, height) + self.pixbuf_stamp.get_from_drawable(self.pixmap_sel, + gtk.gdk.colormap_get_system(), 0, 0, 0, 0, width, height) + self.stamp_size = 0 + # Set white color as transparent: + stamp_alpha = self.pixbuf_stamp.add_alpha(True, 255, 255, 255) + self.pixbuf_stamp = stamp_alpha + + return self.resize_stamp(self.tool['stamp size']) + + def resize_stamp(self, stamp_size): + """Change stamping pixbuffer from the given size. + + @param self -- the Area object (GtkDrawingArea) + @param stamp_size -- the stamp will be inscripted in this size + """ + + # Area.setup_stamp needs to be called first: + assert self.pixbuf_stamp + + self.stamp_size = stamp_size + w = self.pixbuf_stamp.get_width() + h = self.pixbuf_stamp.get_height() + if w >= h: + wr, hr = stamp_size, int(stamp_size * h * 1.0 / w) + else: + wr, hr = int(stamp_size * w * 1.0 / h), stamp_size + self.stamp_dimentions = wr, hr + self.resized_stamp = self.pixbuf_stamp.scale_simple(wr, hr, + gtk.gdk.INTERP_HYPER) + + return self.resized_stamp + def undo(self): """Undo the last drawing change. @@ -1242,7 +1313,8 @@ class Area(gtk.DrawingArea): cursors = {'pencil': 'pencil', 'brush': 'paintbrush', 'eraser': 'eraser', - 'bucket': 'paint-bucket'} + 'bucket': 'paint-bucket', + 'stamp': 'pencil'} display = gtk.gdk.display_get_default() if self.tool['name'] in cursors: @@ -1329,8 +1401,10 @@ class Area(gtk.DrawingArea): self.window.set_cursor(gtk.gdk.Cursor(gtk.gdk.CROSS)) widget.queue_draw() + # TODO: unused method? def change_line_size(self, delta): - if self.tool['name'] in ['pencil', 'eraser', 'brush', 'rainbow']: + if self.tool['name'] in ['pencil', 'eraser', 'brush', 'rainbow', + 'stamp']: size = self.tool['line size'] + delta if size < 1: size = 1 |