131 lines
4.4 KiB
Python
131 lines
4.4 KiB
Python
# Python imports
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# Lib imports
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import gi
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gi.require_version('GdkPixbuf', '2.0')
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from gi.repository import GdkPixbuf
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# Application imports
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class ImageViewMixin:
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def _get_active_image_path(self):
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if self.pixbuff and self.pixbuff.path:
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return self.pixbuff.path
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return None
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def _zoom_out(self):
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if self.work_pixbuff and self.pixbuff:
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# TODO: Setup scale factor setting to pull from settings...
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stepx = self.work_pixbuff.get_width() * 0.05
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stepy = self.work_pixbuff.get_height() * 0.05
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w = self.work_pixbuff.get_width() - stepx
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h = self.work_pixbuff.get_height() - stepy
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self.work_pixbuff = self.pixbuff.scale_simple(w, h, 2) # 2 = BILINEAR and is best by default
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self.set_from_pixbuf(self.work_pixbuff)
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def _rotate_left(self):
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if self.work_pixbuff and self.pixbuff:
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self.work_pixbuff = self.work_pixbuff.rotate_simple(GdkPixbuf.PixbufRotation.COUNTERCLOCKWISE)
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self.pixbuff = self.pixbuff.rotate_simple(GdkPixbuf.PixbufRotation.COUNTERCLOCKWISE)
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self.set_from_pixbuf(self.work_pixbuff)
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def _vertical_flip(self):
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if self.work_pixbuff and self.pixbuff:
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self.work_pixbuff = self.work_pixbuff.flip(True)
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self.pixbuff = self.pixbuff.flip(True)
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self.set_from_pixbuf(self.work_pixbuff)
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def _scale_1_two_1(self):
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self.fit_to_win = False
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if self.work_pixbuff and self.pixbuff:
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self.work_pixbuff = self.pixbuff
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self.set_from_pixbuf(self.work_pixbuff)
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def _fit_to_container(self, pixbuff = None):
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self.fit_to_win = True
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if (self.work_pixbuff and self.pixbuff) or pixbuff:
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parent_aloc = self.get_parent().get_parent().get_allocation()
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pw = parent_aloc.width
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ph = parent_aloc.height
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iw = None
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ih = None
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w = 0
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h = 0
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if pixbuff:
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iw = pixbuff.get_width()
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ih = pixbuff.get_height()
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else:
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iw = self.pixbuff.get_width()
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ih = self.pixbuff.get_height()
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if iw == 0 or ih == 0:
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return
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w = pw;
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h = ((ih * w) / iw + 0.5)
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if h > ph:
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h = ph
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w = (iw * h) / ih + 0.5
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if not pixbuff in (None, ""):
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return pixbuff.scale_simple(w, h, 2)
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self.work_pixbuff = self.pixbuff.scale_simple(w, h, 2) # 2 = BILINEAR and is best by default
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self.set_from_pixbuf(self.work_pixbuff)
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def _horizontal_flip(self):
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if self.work_pixbuff and self.pixbuff:
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self.work_pixbuff = self.work_pixbuff.flip(False)
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self.pixbuff = self.pixbuff.flip(False)
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self.set_from_pixbuf(self.work_pixbuff)
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def _rotate_right(self):
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if self.work_pixbuff and self.pixbuff:
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self.work_pixbuff = self.work_pixbuff.rotate_simple(GdkPixbuf.PixbufRotation.CLOCKWISE)
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self.pixbuff = self.pixbuff.rotate_simple(GdkPixbuf.PixbufRotation.CLOCKWISE)
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self.set_from_pixbuf(self.work_pixbuff)
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def _zoom_in(self):
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if self.work_pixbuff and self.pixbuff:
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# TODO: Setup scale factor setting to pull from settings...
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stepx = self.work_pixbuff.get_width() * 0.05
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stepy = self.work_pixbuff.get_height() * 0.05
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w = self.work_pixbuff.get_width() + stepx
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h = self.work_pixbuff.get_height() + stepy
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self.work_pixbuff = self.pixbuff.scale_simple(w, h, 2) # 2 = BILINEAR and is best by default
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self.set_from_pixbuf(self.work_pixbuff)
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def _size_allocate(self):
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if self.fit_to_win:
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self._fit_to_container()
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@daemon_threaded
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def _play_animation(self):
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import time
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from gi.repository import GLib
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self.playing_animation = True
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# NOTE: Divide by 1000 b/c time.sleep takes seconds but delay is in milliseconds
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delay = self.animation.get_delay_time() / 1000
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while self.playing_animation:
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self.animation.advance()
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pixbuff = self.animation.get_pixbuf()
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pixbuff = pixbuff if not self.fit_to_win else self._fit_to_container(pixbuff)
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GLib.idle_add(self.set_from_pixbuf, *(pixbuff,))
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time.sleep(delay)
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def _stop_animation(self):
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self.playing_animation = False |