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6501: Cannot crop via mouse cursor into Media reference editor

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svn: r21743
This commit is contained in:
Benny Malengier 2013-03-25 20:04:33 +00:00
parent 47be9a4e02
commit cbb8d063df
1 changed files with 32 additions and 58 deletions
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90
gramps/gui/editors/editmediaref.py
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@ -135,7 +135,7 @@ class EditMediaRef(EditReference):
if not self.source.get_mime_type():
self.mimetext.set_text(_('Note'))
def draw_preview(self):
def draw_preview(self, onlysub=False):
"""
Draw the two preview images. This method can be called on eg change of
the path.
@ -143,14 +143,16 @@ class EditMediaRef(EditReference):
mtype = self.source.get_mime_type()
if mtype:
fullpath = media_path_full(self.db, self.source.get_path())
pb = get_thumbnail_image(fullpath, mtype)
self.pixmap.set_from_pixbuf(pb)
if not onlysub:
pb = get_thumbnail_image(fullpath, mtype)
self.pixmap.set_from_pixbuf(pb)
subpix = get_thumbnail_image(fullpath, mtype,
self.rectangle)
self.subpixmap.set_from_pixbuf(subpix)
else:
pb = find_mime_type_pixbuf('text/plain')
self.pixmap.set_from_pixbuf(pb)
if not onlysub:
self.pixmap.set_from_pixbuf(pb)
self.subpixmap.set_from_pixbuf(pb)
def _setup_fields(self):
@ -391,37 +393,7 @@ class EditMediaRef(EditReference):
"""
Updates the thumbnail of the specified subsection
"""
path = self.source.get_path()
if path is None:
self.subpixmap.hide()
else:
try:
fullpath = media_path_full(self.db, path)
pixbuf = GdkPixbuf.Pixbuf.new_from_file(fullpath)
width = pixbuf.get_width()
height = pixbuf.get_height()
upper_x = min(self.rectangle[0], self.rectangle[2])/100.
lower_x = max(self.rectangle[0], self.rectangle[2])/100.
upper_y = min(self.rectangle[1], self.rectangle[3])/100.
lower_y = max(self.rectangle[1], self.rectangle[3])/100.
sub_x = int(upper_x * width)
sub_y = int(upper_y * height)
sub_width = int((lower_x - upper_x) * width)
sub_height = int((lower_y - upper_y) * height)
if sub_width > 0 and sub_height > 0:
pixbuf = pixbuf.subpixbuf(sub_x, sub_y, sub_width, sub_height)
width = sub_width
height = sub_height
ratio = float(max(height, width))
scale = THUMBSCALE / ratio
x = int(scale * width)
y = int(scale * height)
pixbuf = pixbuf.scale_simple(x, y, GdkPixbuf.InterpType.BILINEAR)
self.subpixmap.set_from_pixbuf(pixbuf)
self.subpixmap.show()
except:
self.subpixmap.hide()
self.draw_preview(onlysub=True)
def build_menu_names(self, person):
"""
@ -448,25 +420,20 @@ class EditMediaRef(EditReference):
"""
self.button_press_coords = (event.x, event.y)
# prepare drawing of a feedback rectangle
self.rect_pixbuf = self.subpixmap.get_pixbuf()
w,h = self.rect_pixbuf.get_width(), self.rect_pixbuf.get_height()
self.rect_pixbuf_render = GdkPixbuf.Pixbuf(GdkPixbuf.Colorspace.RGB, False, 8, w, h)
cm = Gdk.colormap_get_system()
color = cm.alloc_color(Gdk.Color("blue"))
self.rect_pixmap = Gdk.Pixmap(None, w, h, cm.get_visual().depth)
self.rect_pixmap.set_colormap(cm)
self.rect_gc = self.rect_pixmap.new_gc()
self.rect_gc.set_foreground(color)
self.orig_subpixbuf = self.subpixmap.get_pixbuf()
gtkimg_win = self.subpixmap.get_window()
self.rect_pixbuf = Gdk.pixbuf_get_from_window(
gtkimg_win, 0, 0,
gtkimg_win.get_width(),
gtkimg_win.get_height())
def motion_notify_event_ref(self, widget, event):
# get the image size and calculate the X and Y offsets
# (image is centered *horizontally* when smaller than THUMBSCALE)
w, h = self.rect_pixbuf.get_width(), self.rect_pixbuf.get_height()
w, h = self.orig_subpixbuf.get_width(), self.orig_subpixbuf.get_height()
offset_x = (THUMBSCALE - w) / 2
offset_y = 0
self.rect_pixmap.draw_pixbuf(self.rect_gc, self.rect_pixbuf, 0, 0, 0, 0)
# get coordinates of the rectangle, so that x1 < x2 and y1 < y2
x1 = min(self.button_press_coords[0], event.x)
x2 = max(self.button_press_coords[0], event.x)
@ -478,13 +445,18 @@ class EditMediaRef(EditReference):
x1 = int(x1 - offset_x)
y1 = int(y1 - offset_y)
self.rect_pixmap.draw_rectangle(self.rect_gc, False,
x1, y1, width, height)
self.rect_pixbuf_render.get_from_drawable(self.rect_pixmap,
Gdk.colormap_get_system(),
0,0,0,0, w, h)
self.subpixmap.set_from_pixbuf(self.rect_pixbuf_render)
cr_pixbuf = self.subpixmap.get_window().cairo_create()
cr_pixbuf.reset_clip()
#reset the pixbuf
Gdk.cairo_set_source_pixbuf(cr_pixbuf, self.rect_pixbuf, 0, 0)
cr_pixbuf.paint()
cr_pixbuf.set_source_rgba(0, 0, 1, 0.5) #blue transparant
cr_pixbuf.move_to(x1,y1)
cr_pixbuf.line_to(x1+width, y1)
cr_pixbuf.line_to(x1+width, y1+height)
cr_pixbuf.line_to(x1, y1+height)
cr_pixbuf.close_path()
cr_pixbuf.fill()
def button_release_event_ref(self, widget, event):
"""
@ -501,9 +473,9 @@ class EditMediaRef(EditReference):
self.corner2_y_spinbutton.set_value(100)
else:
if (self.rect_pixbuf == None):
if (self.orig_subpixbuf == None):
return
self.subpixmap.set_from_pixbuf(self.rect_pixbuf)
self.subpixmap.set_from_pixbuf(self.orig_subpixbuf)
# ensure the clicks happened at least 5 pixels away from each other
new_x1 = min(self.button_press_coords[0], event.x)
@ -515,8 +487,8 @@ class EditMediaRef(EditReference):
# get the image size and calculate the X and Y offsets
# (image is centered *horizontally* when smaller than THUMBSCALE)
w = self.rect_pixbuf.get_width()
h = self.rect_pixbuf.get_height()
w = self.orig_subpixbuf.get_width()
h = self.orig_subpixbuf.get_height()
x = (THUMBSCALE - w) / 2
y = 0
@ -568,7 +540,9 @@ class EditMediaRef(EditReference):
self.corner2_y_spinbutton.set_value(new_y2)
# Free the pixbuf as it is not needed anymore
self.orig_subpixbuf = None
self.rect_pixbuf = None
self.draw_preview()
def _update_addmedia(self, obj):
"""