def display_mosaic_region(self, ridx):
'''display a thumbnail on the mosaic'''
region = self.regions_sorted[ridx]
page_idx = ridx - self.page * self.display_regions
if page_idx < 0 or page_idx >= self.display_regions:
# its not on this page
return
dest_x = (page_idx * self.thumb_size) % self.width
dest_y = ((page_idx * self.thumb_size) / self.width) * self.thumb_size
# overlay thumbnail on mosaic
cuav_util.OverlayImage(self.mosaic, region.small_thumbnail, dest_x,
dest_y)
def display_mosaic_region(self, ridx):
'''display a thumbnail on the mosaic'''
if not self.region_on_page(ridx, self.page):
return
region = self.regions_sorted[ridx]
width = (self.width // self.thumb_size) * self.thumb_size
page_idx = ridx - self.page * self.display_regions
dest_x = (page_idx * self.thumb_size) % width
dest_y = ((page_idx * self.thumb_size) / width) * self.thumb_size
if region == self.mouse_region:
thumb = cv.CreateImage((self.thumb_size,self.thumb_size), 8, 3)
cv.ConvertScale(region.small_thumbnail, thumb, 2.0)
else:
thumb = region.small_thumbnail
# overlay thumbnail on mosaic
#print dest_x, dest_y, self.width, self.height, self.thumb_size, cuav_util.image_width(region.small_thumbnail)
try:
cuav_util.OverlayImage(self.mosaic, thumb, dest_x, dest_y)
except Exception:
pass