def merge_overlay(self, overlay):
self.open()
overlay.open()
background_image = Image(self.image)
# remove any transparent areas around the logo
overlay_image = Image(
Geometry(overlay.image.size().width() + 2,
overlay.image.size().height() + 2), 'transparent')
overlay_image.composite(overlay.image, GravityType.CenterGravity,
CompositeOperator.OverCompositeOp)
overlay_image.trim()
border_width = int(
math.ceil(background_image.size().width() *
PIconBackground.BORDER_RATIO))
overlay_image.zoom(
Geometry(background_image.size().width() - (border_width * 2),
background_image.size().height() - (border_width * 2)))
# we need to calculate exact position since we get 1-pixel error
# if the height of the logo is odd and using GravityType.CenterGravity
if overlay_image.size().width() + (
2 * border_width) == background_image.size().width():
x = border_width
y = int(
math.ceil((background_image.size().height() / 2.0) -
(overlay_image.size().height() / 2.0)))
else:
x = int(
math.ceil((background_image.size().width() / 2.0) -
(overlay_image.size().width() / 2.0)))
y = border_width
background_image.composite(overlay_image, x, y,
CompositeOperator.OverCompositeOp)
return PIcon(background_image)
def _watermark(self, image, watermark_path, opacity, size, position_str):
with open(watermark_path, 'rb') as watermark_file:
watermark = self.get_image(watermark_file)
image_size = self.get_image_size(image)
layer = Image(Geometry(image_size[0], image_size[1]), 'transparent')
if opacity < 1:
self._reduce_opacity(watermark, opacity)
if not size:
mark_size = self.get_image_size(watermark)
else:
mark_size = tuple(
self._get_new_watermark_size(size,
self.get_image_size(watermark)))
options = {
'crop': 'center',
'upscale': mark_size > self.get_image_size(watermark)
}
watermark = self.scale(watermark, mark_size, options)
watermark = self.crop(watermark, mark_size, options)
if position_str == 'tile':
for x_pos in range(0, image_size[0], mark_size[0]):
for y_pos in range(0, image_size[1], mark_size[1]):
layer.composite(watermark, x_pos, y_pos,
CoOp.OverCompositeOp)
else:
position = self._define_watermark_position(position_str,
image_size, mark_size)
layer.composite(watermark, position[0], position[1],
CoOp.OverCompositeOp)
image.composite(layer, 0, 0, CoOp.OverCompositeOp)
return image
def _xor_composite_clip_layer(self, clips, layer_level=0):
"""
round two clipping.
"""
#skip the first clip as it doesn't need anything taken away from it.
this_clip = GMImage(os.path.join(self.clips_dir, 'clip-%s.png' %
clips[0]))
this_clip.write(os.path.join(self.clips_dir, "clip-co-%s.png" %
clips[0]))
#self.masks.append(os.path.join(self.clips_dir, 'clip-co-%s.png' %
#clips[0]))
clip_i = 0
for clip_id in clips[1:]:
previous_clip = GMImage(os.path.join(self.clips_dir, 'clip-%s.png' %
clips[clip_i]))
this_clip = GMImage(os.path.join(self.clips_dir, 'clip-%s.png' %
clip_id))
this_clip.composite(previous_clip, 0, 0, co.XorCompositeOp)
img_file = os.path.join(self.clips_dir, "clip-co-%s.png" % clip_id)
this_clip.write(img_file)
clip_i = clip_i + 1
im = Image.open(img_file)
if not im.getbbox(): # nothing there so delete it
os.unlink(img_file)
def _xor_composite_clip_layer(self, clips, layer_level=0):
"""
round two clipping.
"""
#skip the first clip as it doesn't need anything taken away from it.
this_clip = GMImage(
os.path.join(self.clips_dir, 'clip-%s.png' % clips[0]))
this_clip.write(
os.path.join(self.clips_dir, "clip-co-%s.png" % clips[0]))
#self.masks.append(os.path.join(self.clips_dir, 'clip-co-%s.png' %
#clips[0]))
clip_i = 0
for clip_id in clips[1:]:
previous_clip = GMImage(
os.path.join(self.clips_dir, 'clip-%s.png' % clips[clip_i]))
this_clip = GMImage(
os.path.join(self.clips_dir, 'clip-%s.png' % clip_id))
this_clip.composite(previous_clip, 0, 0, co.XorCompositeOp)
img_file = os.path.join(self.clips_dir, "clip-co-%s.png" % clip_id)
this_clip.write(img_file)
clip_i = clip_i + 1
im = Image.open(img_file)
if not im.getbbox(): # nothing there so delete it
os.unlink(img_file)
def _watermark(self, image, watermark_path, opacity, size, position_str):
with open(watermark_path, "rb") as watermark_file:
watermark = self.get_image(watermark_file)
image_size = self.get_image_size(image)
layer = Image(Geometry(image_size[0], image_size[1]), "transparent")
if opacity < 1:
self._reduce_opacity(watermark, opacity)
if not size:
mark_size = self.get_image_size(watermark)
else:
mark_size = tuple(
self._get_new_watermark_size(size, self.get_image_size(watermark))
)
options = {
"crop": "center",
"upscale": mark_size > self.get_image_size(watermark),
}
watermark = self.scale(watermark, mark_size, options)
watermark = self.crop(watermark, mark_size, options)
if position_str == "tile":
for x_pos in range(0, image_size[0], mark_size[0]):
for y_pos in range(0, image_size[1], mark_size[1]):
layer.composite(watermark, x_pos, y_pos, CoOp.OverCompositeOp)
else:
position = self._define_watermark_position(
position_str, image_size, mark_size
)
layer.composite(watermark, position[0], position[1], CoOp.OverCompositeOp)
image.composite(layer, 0, 0, CoOp.OverCompositeOp)
return image
def resize9(srcFile="",
destFile="",
w=200,
h=200,
color="",
crop=False,
align="center"):
img = Image(srcFile)
#白色背景图
backImg = None
#sw源图宽度
sw = img.columns()
#sh源图高度
sh = img.rows()
#目标图与源图的宽比例
wScale = float(w) / float(sw)
#目标图与源图的高比例
hScale = float(h) / float(sh)
if (w > sw or h > sh):
if (wScale == hScale):
tw = w
th = h
elif (wScale < hScale):
th = h
tw = sw * wScale
else:
tw = w
th = sh * hScale
elif (w < sw or h < sh):
if (wScale == hScale):
tw = w
th = h
elif (wScale < hScale):
th = h
tw = sw * wScale
else:
tw = w
th = sh * hScale
else:
tw = sw
th = sh
img.scale("%dx%d" % (tw, th))
backImg = Image(Geometry(w, h), 'white')
backImg.composite(img, GravityType.CenterGravity, co.OverCompositeOp)
backImg.profile("*", Blob())
backImg.write(destFile)
return "True"
def buildImage(self):
#first build the image, we need to know how big it is
with open(self.dataBase + "base.json", "r") as f:
base = json.loads(f.read())
self.totalWidth = base['width']
self.totalHeight = base['height']
print ("Creating large base image", int(self.totalWidth), 'x',int(self.totalHeight) )
im = Image(Geometry(int(self.totalWidth), int(self.totalHeight)), Color("black"))
#throw a logo onnn
#layer = Image('logo.png')
#im.composite(layer, 0, 0, co.OverCompositeOp)
for file in os.listdir(self.dataNodes):
if file.endswith('.json'):
with open(self.dataNodes + file, "r") as f:
nodes = json.loads(f.read())
print ("Building Image Nodes", self.dataNodes + file, len(nodes))
self.buildCounterNodeTotal = len(nodes)
self.buildCounterNode = 0
for node in nodes:
self.buildCounterNode+=1
print (self.buildCounterNode / self.buildCounterNodeTotal * 100)," percent complete of this batch \r",
layer = Image(self.dataCircles + str(node['id']) +'.png')
cords = self.convertCoordinates(node['posX'],node['posY'])
im.composite(layer, int(cords[0]), int(cords[1]), co.OverCompositeOp)
print ("")
print ("Writing large file out")
im.write('base.png')
def resize9( srcFile="", destFile="", w=200,h=200, color="", crop=False, align="center" ):
img = Image(srcFile)
#白色背景图
backImg = None
#sw源图宽度
sw = img.columns()
#sh源图高度
sh = img.rows()
#目标图与源图的宽比例
wScale = float(w)/float(sw)
#目标图与源图的高比例
hScale = float(h)/float(sh)
if ( w > sw or h > sh ):
if (wScale == hScale ):
tw = w
th = h
elif ( wScale < hScale ):
th = h
tw = sw*wScale
else:
tw = w
th = sh*hScale
elif( w<sw or h < sh ):
if (wScale == hScale ):
tw = w
th = h
elif ( wScale < hScale ):
th = h
tw = sw*wScale
else:
tw = w
th = sh*hScale
else:
tw = sw
th = sh
img.scale("%dx%d"%(tw,th))
backImg = Image(Geometry(w,h), 'white' )
backImg.composite(img,GravityType.CenterGravity,co.OverCompositeOp )
backImg.profile("*",Blob())
backImg.write(destFile)
return "True"
def _in_composite(self, previous_clips, clips):
for prev_clip_id in previous_clips:
for this_clip_id in clips:
previous_clip = GMImage(os.path.join(self.clips_dir, 'clip-co-%s.png' %
prev_clip_id))
this_clip = GMImage(os.path.join(self.clips_dir, 'clip-co-%s.png' %
this_clip_id))
this_clip.composite(previous_clip, 0, 0, co.InCompositeOp)
img_file = os.path.join(self.clips_dir, "clip-in-%s-%s.png" %
(prev_clip_id, this_clip_id))
this_clip.write(img_file)
im = Image.open(img_file)
if not im.getbbox(): # nothing there so delete it
os.unlink(img_file)
else:
self.masks.append(img_file)
def _composite(self, mask, pic, i=0):
"""
composite of mask and pic. also trims it and renames with offset.
"""
base = GMImage(pic)
layer = GMImage(mask)
base.composite(layer, 0, 0, co.CopyOpacityCompositeOp)
finished_clip_filename = os.path.join(self.target_directory, self.junk_dir, "%s-%s.png" %
(os.path.basename(pic), os.path.basename(mask)))
base.write(finished_clip_filename)
box = self._trim(finished_clip_filename,
os.path.join(self.target_directory, self.raster_dir, "%i.png" % i))
self._potrace(mask, i=i,
trimmedpng=os.path.join(self.target_directory, self.raster_dir,"%i.png" % i))
self.pieces[i] = box
def bobross(self,imgStr):
print "bobross()"
bob=Image('bob-transparent-canvas.png')
bob.matte(True)
#print "1"
img=Image(imgStr)
#print "2"
newsize=Geometry(200,343)
newsize.aspect(True)
img.scale(newsize)
#print "3"
img=self.watercolor(img)
#print "4"
result=Image(bob.size(),'white')
result.composite(img,392,22,CompositeOperator.OverCompositeOp)
result.composite(bob,0,0,CompositeOperator.OverCompositeOp)
return result
def _watermark(self, image, watermark_path, opacity, size, position_str):
watermark = self.get_image(open(watermark_path))
image_size = self.get_image_size(image)
layer = Image(Geometry(image_size[0], image_size[1]), 'transparent')
if opacity < 1:
self._reduce_opacity(watermark, opacity)
if not size:
mark_size = self.get_image_size(watermark)
else:
mark_size = self._get_new_watermark_size(size, self.get_image_size(watermark))
options = {'crop': 'center',
'upscale': False}
watermark = self.scale(watermark, mark_size, options)
watermark = self.crop(watermark, mark_size, options)
position = self._define_watermark_position(position_str, image_size, mark_size)
layer.composite(watermark, position[0], position[1], CoOp.OverCompositeOp)
image.composite(layer, 0, 0, CoOp.OverCompositeOp)
return image
def watercolor(self,imgStr):
img=Image(imgStr)
img.blur(2,2)
img.oilPaint(5)
img.enhance()
img.sharpen()
pink=Color(250,218,221,75)
toplayer=Image(img.size(),pink)
toplayer.matte(True)
img.matte(True)
img.composite(toplayer,0,0,CompositeOperator.CopyOpacityCompositeOp)
img.blur(2,2)
#img.write('watercolor-output.png')
return img
def merge_overlay(self, overlay):
self.open()
overlay.open()
background_image = Image(self.image)
# remove any transparent areas around the logo
overlay_image = Image(Geometry(overlay.image.size().width() + 2, overlay.image.size().height() + 2), 'transparent')
overlay_image.composite(overlay.image, GravityType.CenterGravity, CompositeOperator.OverCompositeOp)
overlay_image.trim()
border_width = int(math.ceil(background_image.size().width() * PIconBackground.BORDER_RATIO))
overlay_image.zoom(Geometry(background_image.size().width() - (border_width * 2), background_image.size().height() - (border_width * 2)))
# we need to calculate exact position since we get 1-pixel error
# if the height of the logo is odd and using GravityType.CenterGravity
if overlay_image.size().width() + (2 * border_width) == background_image.size().width():
x = border_width
y = int(math.ceil((background_image.size().height() / 2.0) - (overlay_image.size().height() / 2.0)))
else:
x = int(math.ceil((background_image.size().width() / 2.0) - (overlay_image.size().width() / 2.0)))
y = border_width
background_image.composite(overlay_image, x, y, CompositeOperator.OverCompositeOp)
return PIcon(background_image)
def _watermark(self, image, watermark_path, opacity, size, position_str):
watermark = self.get_image(open(watermark_path))
image_size = self.get_image_size(image)
layer = Image(Geometry(image_size[0], image_size[1]), 'transparent')
if opacity < 1:
self._reduce_opacity(watermark, opacity)
if not size:
mark_size = self.get_image_size(watermark)
else:
mark_size = self._get_new_watermark_size(
size, self.get_image_size(watermark))
options = {'crop': 'center', 'upscale': False}
watermark = self.scale(watermark, mark_size, options)
watermark = self.crop(watermark, mark_size, options)
position = self._define_watermark_position(position_str, image_size,
mark_size)
layer.composite(watermark, position[0], position[1],
CoOp.OverCompositeOp)
image.composite(layer, 0, 0, CoOp.OverCompositeOp)
return image
def _in_composite(self, previous_clips, clips):
for prev_clip_id in previous_clips:
for this_clip_id in clips:
previous_clip = GMImage(
os.path.join(self.clips_dir,
'clip-co-%s.png' % prev_clip_id))
this_clip = GMImage(
os.path.join(self.clips_dir,
'clip-co-%s.png' % this_clip_id))
this_clip.composite(previous_clip, 0, 0, co.InCompositeOp)
img_file = os.path.join(
self.clips_dir,
"clip-in-%s-%s.png" % (prev_clip_id, this_clip_id))
this_clip.write(img_file)
im = Image.open(img_file)
if not im.getbbox(): # nothing there so delete it
os.unlink(img_file)
else:
self.masks.append(img_file)
def resize8(srcFile="", destFile="", w=200, h=200):
img = Image(srcFile)
#.def("extent", (void (Magick::Image::*)(const Magick::Geometry&, const Magick::Color&, const Magick::GravityType))&Magick::Image::extent)
#白色背景图
backImg = None
#sw源图宽度
sw = img.columns()
#sh源图高度
sh = img.rows()
#若目标图的宽或高都比源图大则不处理
if (sw <= w and sh <= h):
backImg = Image(Geometry(w, h), 'white')
backImg.composite(img, GravityType.CenterGravity,
co.OverCompositeOp)
backImg.profile("*", Blob())
backImg.write(destFile)
return "True"
#目标的宽或高都比源图的小则进行裁剪
elif (sw > w and sh > h):
#源图的宽高比
sratio = float(sw) / float(sh)
rratio = float(w) / float(h)
#若源图宽高比大于目标图的宽高比的话，则就高缩放，从0,0位置裁前源图宽
#print sratio,rratio
if (sratio > rratio):
hscale = float(h) / float(sh)
rw = int(sw * hscale)
rh = int(sh * hscale)
else:
wscale = float(w) / float(sw)
rw = int(sw * wscale)
rh = int(sh * wscale)
linePos = int((rw - w) / 2)
colPos = int((rh - h) / 2)
img.scale("%dx%d" % (rw, rh))
img.crop(Geometry(w, h, linePos, colPos))
img.profile("*", Blob())
img.write(destFile)
return "True"
elif (sw > w):
backImg = Image(Geometry(w, h), 'white')
img.crop(Geometry(w, sh, int((sw - w) / 2)))
backImg.composite(img, GravityType.CenterGravity,
co.OverCompositeOp)
backImg.profile("*", Blob())
backImg.write(destFile)
return "True"
elif (sh > h):
backImg = Image(Geometry(w, h), 'white')
img.crop(Geometry(sw, h, 0, int((sh - h) / 2)))
backImg.composite(img, GravityType.CenterGravity,
co.OverCompositeOp)
backImg.profile("*", Blob())
backImg.write(destFile)
return "True"
return "True"
def _composite(self, mask, pic, i=0):
"""
composite of mask and pic. also trims it and renames with offset.
"""
base = GMImage(pic)
layer = GMImage(mask)
base.composite(layer, 0, 0, co.CopyOpacityCompositeOp)
finished_clip_filename = os.path.join(
self.target_directory, self.junk_dir,
"%s-%s.png" % (os.path.basename(pic), os.path.basename(mask)))
base.write(finished_clip_filename)
box = self._trim(
finished_clip_filename,
os.path.join(self.target_directory, self.raster_dir, "%i.png" % i))
self._potrace(mask,
i=i,
trimmedpng=os.path.join(self.target_directory,
self.raster_dir, "%i.png" % i))
self.pieces[i] = box
def bobross(self,imgStr):
bob=Image('bob-transparent-canvas.png')
bob.matte(True)
img=self.watercolor(imgStr)
#img.matte(True)
newsize=Geometry(210,380)
newsize.aspect(True)
img.scale(newsize)
#img.oilPaint(3)
#img.enhance()
#img.sharpen()
#img.blur(2,2)
#img.shear(-25,-15)
result=Image(bob.size(),'white')
result.composite(img,390,20,CompositeOperator.OverCompositeOp)
result.composite(bob,0,0,CompositeOperator.OverCompositeOp)
#img.debug(True)
#bob.composite(img,390,20,CompositeOperator.OverCompositeOp)
return result
def resize8( srcFile="", destFile="", w=200,h=200 ):
img = Image(srcFile)
#.def("extent", (void (Magick::Image::*)(const Magick::Geometry&, const Magick::Color&, const Magick::GravityType))&Magick::Image::extent)
#白色背景图
backImg = None
#sw源图宽度
sw = img.columns()
#sh源图高度
sh = img.rows()
#若目标图的宽或高都比源图大则不处理
if ( sw <= w and sh <= h ):
backImg = Image(Geometry(w,h), 'white' )
backImg.composite(img, GravityType.CenterGravity, co.OverCompositeOp)
backImg.profile("*",Blob())
backImg.write(destFile)
return "True"
#目标的宽或高都比源图的小则进行裁剪
elif ( sw > w and sh > h ):
#源图的宽高比
sratio = float(sw)/float(sh)
rratio = float(w)/float(h)
#若源图宽高比大于目标图的宽高比的话，则就高缩放，从0,0位置裁前源图宽
#print sratio,rratio
if ( sratio > rratio ):
hscale = float(h)/float(sh)
rw = int(sw*hscale)
rh = int(sh*hscale)
else:
wscale = float(w)/float(sw)
rw = int(sw*wscale)
rh = int(sh*wscale)
linePos = int( (rw-w)/2)
colPos = int( (rh-h)/2)
img.scale("%dx%d"%(rw,rh))
img.crop(Geometry(w,h,linePos,colPos))
img.profile("*",Blob())
img.write(destFile)
return "True"
elif ( sw > w ):
backImg = Image(Geometry(w,h), 'white' )
img.crop(Geometry(w,sh,int((sw-w)/2)))
backImg.composite(img,GravityType.CenterGravity,co.OverCompositeOp )
backImg.profile("*",Blob())
backImg.write(destFile)
return "True"
elif ( sh > h ):
backImg = Image(Geometry(w,h), 'white' )
img.crop( Geometry(sw,h,0,int((sh-h)/2) ) )
backImg.composite(img, GravityType.CenterGravity,co.OverCompositeOp )
backImg.profile("*",Blob())
backImg.write(destFile)
return "True"
return "True"
def resize7( srcFile="", destFile="", w=200,h=200 ):
img = Image(srcFile)
#白色背景图
backImg = None
#sw源图宽度
sw = img.columns()
#sh源图高度
sh = img.rows()
#若目标图的宽或高都比源图大则不处理
if ( sw <= w and sh <= h ):
backImg = Image(Geometry(w,h), 'white' )
backImg.composite(img, Geometry( sw, sh, 0, 0 ), co.OverCompositeOp)
backImg.profile("*",Blob())
backImg.write(destFile)
return "True"
#目标的宽或高都比源图的小则进行裁剪
elif ( sw > w and sh > h ):
#源图的宽高比
sratio = float(sw)/float(sh)
rratio = float(w)/float(h)
#若源图宽高比大于目标图的宽高比的话，则就高缩放，从0,0位置裁前源图宽
#print sratio,rratio
if ( sratio > rratio ):
hscale = float(h)/float(sh)
rw = int(sw*hscale)
rh = int(sh*hscale)
else:
wscale = float(w)/float(sw)
rw = int(sw*wscale)
rh = int(sh*wscale)
img.scale("%dx%d"%(rw,rh))
img.crop(Geometry(w,h,0,0))
img.profile("*",Blob())
img.write(destFile)
return "True"
elif ( sw > w ):
backImg = Image(Geometry(w,h), 'white' )
img.crop(Geometry(w,sh))
backImg.composite(img,Geometry(w,h,0,0),co.OverCompositeOp )
backImg.profile("*",Blob())
backImg.write(destFile)
return "True"
elif ( sh > h ):
backImg = Image(Geometry(w,h), 'white' )
img.crop( Geometry(sw,h) )
backImg.composite(img, Geometry(w,h,0,0),co.OverCompositeOp )
backImg.profile("*",Blob())
backImg.write(destFile)
return "True"
return "True"
def resize7(srcFile="", destFile="", w=200, h=200):
img = Image(srcFile)
#白色背景图
backImg = None
#sw源图宽度
sw = img.columns()
#sh源图高度
sh = img.rows()
#若目标图的宽或高都比源图大则不处理
if (sw <= w and sh <= h):
backImg = Image(Geometry(w, h), 'white')
backImg.composite(img, Geometry(sw, sh, 0, 0), co.OverCompositeOp)
backImg.profile("*", Blob())
backImg.write(destFile)
return "True"
#目标的宽或高都比源图的小则进行裁剪
elif (sw > w and sh > h):
#源图的宽高比
sratio = float(sw) / float(sh)
rratio = float(w) / float(h)
#若源图宽高比大于目标图的宽高比的话，则就高缩放，从0,0位置裁前源图宽
#print sratio,rratio
if (sratio > rratio):
hscale = float(h) / float(sh)
rw = int(sw * hscale)
rh = int(sh * hscale)
else:
wscale = float(w) / float(sw)
rw = int(sw * wscale)
rh = int(sh * wscale)
img.scale("%dx%d" % (rw, rh))
img.crop(Geometry(w, h, 0, 0))
img.profile("*", Blob())
img.write(destFile)
return "True"
elif (sw > w):
backImg = Image(Geometry(w, h), 'white')
img.crop(Geometry(w, sh))
backImg.composite(img, Geometry(w, h, 0, 0), co.OverCompositeOp)
backImg.profile("*", Blob())
backImg.write(destFile)
return "True"
elif (sh > h):
backImg = Image(Geometry(w, h), 'white')
img.crop(Geometry(sw, h))
backImg.composite(img, Geometry(w, h, 0, 0), co.OverCompositeOp)
backImg.profile("*", Blob())
backImg.write(destFile)
return "True"
return "True"
def extract_substack( job ):
""" Extracts a sub-stack as specified in the passed job. A list of
pgmagick images is returned -- one for each slice, starting on top.
"""
# Calculate the slice numbers and pixel positions
# bounded to the stack data.
px_x_min = to_x_index(job.x_min, job)
px_x_max = to_x_index(job.x_max, job)
px_y_min = to_y_index(job.y_min, job)
px_y_max = to_y_index(job.y_max, job)
px_z_min = to_z_index(job.z_min, job)
px_z_max = to_z_index(job.z_max, job)
# Because it might be that the cropping goes over the
# stack bounds, we need to calculate the unbounded height,
# with and an offset.
px_x_min_nobound = to_x_index(job.x_min, job, False)
px_x_max_nobound = to_x_index(job.x_max, job, False)
px_y_min_nobound = to_y_index(job.y_min, job, False)
px_y_max_nobound = to_y_index(job.y_max, job, False)
width = px_x_max_nobound - px_x_min_nobound
height = px_y_max_nobound - px_y_min_nobound
px_x_offset = abs(px_x_min_nobound) if px_x_min_nobound < 0 else 0
px_y_offset = abs(px_y_min_nobound) if px_y_min_nobound < 0 else 0
# The images are generated per slice, so most of the following
# calculations refer to 2d images.
# Each stack to export is treated as a seperate channel. The order
# of the exported dimensions is XYCZ. This means all the channels of
# one slice are exported, then the next slice follows, etc.
cropped_stack = []
# Iterate over all slices
for z in range( px_z_min, px_z_max + 1):
for stack in job.stacks:
# Get indices for bounding tiles (0 indexed)
tile_x_min = int(px_x_min / tile_size)
tile_x_max = int(px_x_max / tile_size)
tile_y_min = int(px_y_min / tile_size)
tile_y_max = int(px_y_max / tile_size)
# Get the number of needed tiles for each direction
num_x_tiles = tile_x_max - tile_x_min + 1
num_y_tiles = tile_y_max - tile_y_min + 1
# Associate image parts with all tiles
image_parts = []
x_dst = px_x_offset
for nx, x in enumerate( range(tile_x_min, tile_x_max + 1) ):
# The min x,y for the image part in the current tile are 0
# for all tiles except the first one.
cur_px_x_min = 0 if nx > 0 else px_x_min - x * tile_size
# The max x,y for the image part of current tile are the tile
# size minus one except for the last one.
cur_px_x_max = tile_size - 1 if nx < (num_x_tiles - 1) else px_x_max - x * tile_size
# Reset y destination component
y_dst = px_y_offset
for ny, y in enumerate( range(tile_y_min, tile_y_max + 1) ):
cur_px_y_min = 0 if ny > 0 else px_y_min - y * tile_size
cur_px_y_max = tile_size - 1 if ny < (num_y_tiles - 1) else px_y_max - y * tile_size
# Create an image part definition
path = get_tile_path(job, stack, [x, y, z])
try:
part = ImagePart(path, cur_px_x_min, cur_px_x_max, cur_px_y_min, cur_px_y_max, x_dst, y_dst)
image_parts.append( part )
except:
# ignore failed slices
pass
# Update y component of destination postition
y_dst += cur_px_y_max - cur_px_y_min
# Update x component of destination postition
x_dst += cur_px_x_max - cur_px_x_min
# Create a result image slice, painted black
cropped_slice = Image( Geometry( width, height ), Color("black") )
# write out the image parts
for ip in image_parts:
# Get (correcly cropped) image
image = ip.get_image()
# Draw the image onto result image
cropped_slice.composite( image, ip.x_dst, ip.y_dst, co.OverCompositeOp )
# Delete tile image - it's not needed anymore
del image
# Add the imag to the cropped stack
cropped_stack.append( cropped_slice )
return cropped_stack
def export_area(x1, y1, z1, x2, y2, z2, chunks, assets, data):
if x1 > x2:
x1, x2 = x2, x1
if y1 > y2:
y1, y2 = y2, y1
if x1 > x2:
z1, z2 = z2, z1
cache = {}
unknow = Image(Geometry(16, 16), "fuchsia")
hardcoded = {
'minecraft:air': Color('white'),
'minecraft:cave_air': Color('black'),
'minecraft:water':
Color('blue'), # TODO use 'block/water_still' with #0080ff tint
'minecraft:lava': 'block/lava_still',
}
for x in hardcoded:
if isinstance(hardcoded[x], Color):
hardcoded[x] = Image(Geometry(16, 16), hardcoded[x])
else:
hardcoded[x] = Image("%s/textures/%s.png" %
(assets.directory, hardcoded[x]))
hardcoded[x].crop(Geometry(16, 16))
for y in range(y2 - y1):
img = Image(Geometry(16 * (x2 - x1), 16 * (z2 - z1)), 'transparent')
for z in range(z2 - z1):
for x in range(x2 - x1):
try:
i = None
sid = chunks.get_block_at(x + x1, y + y1, z + z1)
if sid in cache:
i = cache[sid]
else:
bloc = data.blocks_states[sid]
if bloc in hardcoded:
i = hardcoded[bloc]
else:
prop = data.blocks_properties[sid]
variant = assets.get_block_variant(bloc, prop)
if 'model' in variant:
faces = assets.get_faces_textures(
assets.get_model(variant['model']))
if 'up' in faces:
up = faces['up']
i = Image(
"%s/textures/%s.png" %
(assets.directory, up['texture']))
if "uv" in up:
pass # TODO
i.crop(Geometry(16, 16))
if "tintindex" in up:
tint = '#80ff00'
ti = Image(Geometry(16, 16), tint)
i.composite(
ti, 0, 0, CompositeOperator.
MultiplyCompositeOp)
if not i:
i = unknow
cache[sid] = i
img.composite(i, x * 16, z * 16,
CompositeOperator.OverCompositeOp)
except Exception:
continue
img.write("/tmp/slice_%d.png" % (y))
def extract_substack_no_rotation(job):
""" Extracts a sub-stack as specified in the passed job without respecting
rotation requests. A list of pgmagick images is returned -- one for each
slice, starting on top.
"""
# The actual bounding boxes used for creating the images of each stack
# depend not only on the request, but also on the translation of the stack
# wrt. the project. Therefore, a dictionary with bounding box information for
# each stack is created.
s_to_bb = {}
for stack in job.stacks:
# Retrieve translation relative to current project
translation = ProjectStack.objects.get(project_id=job.project_id,
stack_id=stack.id).translation
x_min_t = job.x_min - translation.x
x_max_t = job.x_max - translation.x
y_min_t = job.y_min - translation.y
y_max_t = job.y_max - translation.y
z_min_t = job.z_min - translation.z
z_max_t = job.z_max - translation.z
# Calculate the slice numbers and pixel positions
# bound to the stack data.
px_x_min = to_x_index(x_min_t, job)
px_x_max = to_x_index(x_max_t, job)
px_y_min = to_y_index(y_min_t, job)
px_y_max = to_y_index(y_max_t, job)
px_z_min = to_z_index(z_min_t, job)
px_z_max = to_z_index(z_max_t, job)
# Because it might be that the cropping goes over the
# stack bounds, we need to calculate the unbounded height,
# with and an offset.
px_x_min_nobound = to_x_index(x_min_t, job, False)
px_x_max_nobound = to_x_index(x_max_t, job, False)
px_y_min_nobound = to_y_index(y_min_t, job, False)
px_y_max_nobound = to_y_index(y_max_t, job, False)
width = px_x_max_nobound - px_x_min_nobound
height = px_y_max_nobound - px_y_min_nobound
px_x_offset = abs(px_x_min_nobound) if px_x_min_nobound < 0 else 0
px_y_offset = abs(px_y_min_nobound) if px_y_min_nobound < 0 else 0
# Create a dictionary entry with a simple object
class BB:
pass
bb = BB()
bb.px_x_min = px_x_min
bb.px_x_max = px_x_max
bb.px_y_min = px_y_min
bb.px_y_max = px_y_max
bb.px_z_min = px_z_min
bb.px_z_max = px_z_max
bb.px_x_offset = px_x_offset
bb.px_y_offset = px_y_offset
bb.width = width
bb.height = height
s_to_bb[stack.id] = bb
# Get number of wanted slices
px_z_min = to_z_index(job.z_min, job)
px_z_max = to_z_index(job.z_max, job)
n_slices = px_z_max + 1 - px_z_min
# The images are generated per slice, so most of the following
# calculations refer to 2d images.
# Each stack to export is treated as a separate channel. The order
# of the exported dimensions is XYCZ. This means all the channels of
# one slice are exported, then the next slice follows, etc.
cropped_stack = []
# Iterate over all slices
for nz in range(n_slices):
for stack in job.stacks:
bb = s_to_bb[stack.id]
# Shortcut for tile width and height
tile_width = stack.tile_width
tile_height = stack.tile_height
# Get indices for bounding tiles (0 indexed)
tile_x_min = int(bb.px_x_min / tile_width)
tile_x_max = int(bb.px_x_max / tile_width)
tile_y_min = int(bb.px_y_min / tile_height)
tile_y_max = int(bb.px_y_max / tile_height)
# Get the number of needed tiles for each direction
num_x_tiles = tile_x_max - tile_x_min + 1
num_y_tiles = tile_y_max - tile_y_min + 1
# Associate image parts with all tiles
image_parts = []
x_dst = bb.px_x_offset
for nx, x in enumerate(range(tile_x_min, tile_x_max + 1)):
# The min x,y for the image part in the current tile are 0
# for all tiles except the first one.
cur_px_x_min = 0 if nx > 0 else bb.px_x_min - x * tile_width
# The max x,y for the image part of current tile are the tile
# size minus one except for the last one.
if nx < (num_x_tiles - 1):
cur_px_x_max = tile_width - 1
else:
cur_px_x_max = bb.px_x_max - x * tile_width
# Reset y destination component
y_dst = bb.px_y_offset
for ny, y in enumerate(range(tile_y_min, tile_y_max + 1)):
cur_px_y_min = 0 if ny > 0 else bb.px_y_min - y * tile_height
if ny < (num_y_tiles - 1):
cur_px_y_max = tile_height - 1
else:
cur_px_y_max = bb.px_y_max - y * tile_height
# Create an image part definition
z = bb.px_z_min + nz
path = job.get_tile_path(stack, (x, y, z))
try:
part = ImagePart(path, cur_px_x_min, cur_px_x_max,
cur_px_y_min, cur_px_y_max, x_dst,
y_dst)
image_parts.append(part)
except:
# ignore failed slices
pass
# Update y component of destination position
y_dst += cur_px_y_max - cur_px_y_min
# Update x component of destination position
x_dst += cur_px_x_max - cur_px_x_min
# write out the image parts
cropped_slice = None
for ip in image_parts:
# Get (correctly cropped) image
image = ip.get_image()
# It is unfortunately not possible to create proper composite
# images based on a canvas image newly created like this:
# cropped_slice = Image( Geometry(bb.width, bb.height), Color("black"))
# Therefore, this workaround is used.
if not cropped_slice:
cropped_slice = Image(image)
cropped_slice.backgroundColor("black")
cropped_slice.erase()
# The '!' makes sure the aspect ration is ignored
cropped_slice.scale('%sx%s!' % (bb.width, bb.height))
# Draw the image onto result image
cropped_slice.composite(image, ip.x_dst, ip.y_dst,
co.OverCompositeOp)
# Delete tile image - it's not needed anymore
del image
# Optionally, use only a single channel
if job.single_channel:
cropped_slice.channel(ChannelType.RedChannel)
# Add the image to the cropped stack
cropped_stack.append(cropped_slice)
return cropped_stack
def extract_substack_no_rotation(job) -> List:
""" Extracts a sub-stack as specified in the passed job without respecting
rotation requests. A list of pgmagick images is returned -- one for each
slice, starting on top.
"""
# The actual bounding boxes used for creating the images of each stack
# depend not only on the request, but also on the translation of the stack
# wrt. the project. Therefore, a dictionary with bounding box information for
# each stack is created.
s_to_bb = {}
for stack_mirror in job.stack_mirrors:
stack = stack_mirror.stack
# Retrieve translation relative to current project
translation = ProjectStack.objects.get(project_id=job.project_id,
stack_id=stack.id).translation
x_min_t = job.x_min - translation.x
x_max_t = job.x_max - translation.x
y_min_t = job.y_min - translation.y
y_max_t = job.y_max - translation.y
z_min_t = job.z_min - translation.z
z_max_t = job.z_max - translation.z
# Calculate the slice numbers and pixel positions
# bound to the stack data.
px_x_min = to_x_index(x_min_t, stack, job.zoom_level)
px_x_max = to_x_index(x_max_t, stack, job.zoom_level)
px_y_min = to_y_index(y_min_t, stack, job.zoom_level)
px_y_max = to_y_index(y_max_t, stack, job.zoom_level)
px_z_min = to_z_index(z_min_t, stack, job.zoom_level)
px_z_max = to_z_index(z_max_t, stack, job.zoom_level)
# Because it might be that the cropping goes over the
# stack bounds, we need to calculate the unbounded height,
# with and an offset.
px_x_min_nobound = to_x_index(x_min_t, stack, job.zoom_level, False)
px_x_max_nobound = to_x_index(x_max_t, stack, job.zoom_level, False)
px_y_min_nobound = to_y_index(y_min_t, stack, job.zoom_level, False)
px_y_max_nobound = to_y_index(y_max_t, stack, job.zoom_level, False)
width = px_x_max_nobound - px_x_min_nobound
height = px_y_max_nobound - px_y_min_nobound
px_x_offset = abs(px_x_min_nobound) if px_x_min_nobound < 0 else 0
px_y_offset = abs(px_y_min_nobound) if px_y_min_nobound < 0 else 0
# Create a dictionary entry with a simple object
bb = BB()
bb.px_x_min = px_x_min
bb.px_x_max = px_x_max
bb.px_y_min = px_y_min
bb.px_y_max = px_y_max
bb.px_z_min = px_z_min
bb.px_z_max = px_z_max
bb.px_x_offset = px_x_offset
bb.px_y_offset = px_y_offset
bb.width = width
bb.height = height
s_to_bb[stack.id] = bb
# Get number of wanted slices
px_z_min = to_z_index(job.z_min, job.ref_stack, job.zoom_level)
px_z_max = to_z_index(job.z_max, job.ref_stack, job.zoom_level)
n_slices = px_z_max + 1 - px_z_min
# The images are generated per slice, so most of the following
# calculations refer to 2d images.
# Each stack to export is treated as a separate channel. The order
# of the exported dimensions is XYCZ. This means all the channels of
# one slice are exported, then the next slice follows, etc.
cropped_stack = []
# Accumulator for estimated result size
estimated_total_size = 0
# Iterate over all slices
for nz in range(n_slices):
for mirror in job.stack_mirrors:
stack = mirror.stack
bb = s_to_bb[stack.id]
# Shortcut for tile width and height
tile_width = mirror.tile_width
tile_height = mirror.tile_height
# Get indices for bounding tiles (0 indexed)
tile_x_min = int(bb.px_x_min / tile_width)
tile_x_max = int(bb.px_x_max / tile_width)
tile_y_min = int(bb.px_y_min / tile_height)
tile_y_max = int(bb.px_y_max / tile_height)
# Get the number of needed tiles for each direction
num_x_tiles = tile_x_max - tile_x_min + 1
num_y_tiles = tile_y_max - tile_y_min + 1
# Associate image parts with all tiles
image_parts = []
x_dst = bb.px_x_offset
for nx, x in enumerate(range(tile_x_min, tile_x_max + 1)):
# The min x,y for the image part in the current tile are 0
# for all tiles except the first one.
cur_px_x_min = 0 if nx > 0 else bb.px_x_min - x * tile_width
# The max x,y for the image part of current tile are the tile
# size minus one except for the last one.
if nx < (num_x_tiles - 1):
cur_px_x_max = tile_width - 1
else:
cur_px_x_max = bb.px_x_max - x * tile_width
# Reset y destination component
y_dst = bb.px_y_offset
for ny, y in enumerate(range(tile_y_min, tile_y_max + 1)):
cur_px_y_min = 0 if ny > 0 else bb.px_y_min - y * tile_height
if ny < (num_y_tiles - 1):
cur_px_y_max = tile_height - 1
else:
cur_px_y_max = bb.px_y_max - y * tile_height
# Create an image part definition
z = bb.px_z_min + nz
path = job.get_tile_path(stack, mirror, (x, y, z))
try:
part = ImagePart(path, cur_px_x_min, cur_px_x_max,
cur_px_y_min, cur_px_y_max, x_dst,
y_dst)
image_parts.append(part)
except:
# ignore failed slices
pass
# Update y component of destination position
y_dst += cur_px_y_max - cur_px_y_min
# Update x component of destination position
x_dst += cur_px_x_max - cur_px_x_min
# Write out the image parts and make sure the maximum allowed file
# size isn't exceeded.
cropped_slice = Image(Geometry(bb.width, bb.height),
ColorRGB(0, 0, 0))
for ip in image_parts:
# Get (correctly cropped) image
image = ip.get_image()
# Estimate total file size and abort if this exceeds the
# maximum allowed file size.
estimated_total_size = estimated_total_size + ip.estimated_size
if estimated_total_size > settings.GENERATED_FILES_MAXIMUM_SIZE:
raise ValueError("The estimated size of the requested image "
"region is larger than the maximum allowed "
"file size: %0.2f > %s Bytes" % \
(estimated_total_size,
settings.GENERATED_FILES_MAXIMUM_SIZE))
# Draw the image onto result image
cropped_slice.composite(image, ip.x_dst, ip.y_dst,
co.OverCompositeOp)
# Delete tile image - it's not needed anymore
del image
if cropped_slice:
# Optionally, use only a single channel
if job.single_channel:
cropped_slice.channel(ChannelType.RedChannel)
# Add the image to the cropped stack
cropped_stack.append(cropped_slice)
return cropped_stack
def resize_image(im, width=None, height=None, fixed=False, quality=86, image_type='image/jpeg', degrees=0):
"""
返回的是blob类型的，取data
"""
w, h = get_im_size(im) #w, h 原始尺寸
# size means what u want
if height is None and fixed:
mode = 'fixed_width'
times = w/float(width)
size = [w/times, h/times]
elif width is None and fixed:
mode = 'fixed_height'
times = h/float(height)
size = [w/times, h/times]
elif height is None and width is None: # 必须要指定 width or height
raise Exception
else:
width = width or w
height = height or h
size = [width, height]
if fixed: mode = 'fixed_both'
else: mode = 'auto'
if mode == 'fixed_both':
# get the pre_thumbnail then cut!
m = max(size[0]/float(w), size[1]/float(h)) #max_thumbnail_rate 不裁剪的缩放比
if m> 1: m=1
im.scale(list_to_size([w*m, h*m]))
n_w, n_h = get_im_size(im)
size= [min(size[0],n_w), min(size[1], n_h)] # # 最后的图片尺寸 in case, the image size is not big enough
width, height = size
left = int((n_w-width)/2.0)
top = int((n_h-height)/2.0)
box = Geometry(width, height, left, top)
im.crop(box)
else:
size = [min(size[0], w), min(size[1], h)]
im.scale(list_to_size(size))
if degrees and isinstance(degrees, (int, float)): # 旋转正向
im.rotate(int(degrees))
# quality
im.profile("*", Blob()) # 清掉exif信息
im.quality(quality)
f = Blob()
if image_type in ['image/png', 'png']:
image_type = 'png'
elif image_type in ['webp', 'image/webp']:
image_type = 'webp'
else:
image_type = 'jpg'
if image_type in ['jpg', 'jpeg']:
# 填充白色背景
base_im = Image(im.size(), '#ffffff')
base_im.composite(im, 0, 0, co.OverCompositeOp)
im = base_im
im.write(f, image_type)
return getattr(f, 'data')
from os import listdir, mkdir, path
from pgmagick import Image, GravityType, CompositeOperator
test_dir = path.join(path.curdir, "testdata")
layer = Image(path.join(test_dir, "New_256x256.png"))
output_dir = path.join(test_dir, input("Bitte den Speicherort angeben (Ordner reicht): "))
if not path.isdir(output_dir):
mkdir(output_dir)
for file in listdir(test_dir):
if file.endswith(".jpg"):
img = Image(path.join(test_dir, file))
img.composite(layer, GravityType.NorthEastGravity, CompositeOperator.OverCompositeOp)
img.write(output_dir + "\\" + file)
line_inputs = list(filter(None, panel.split('\n')))
for line_input in line_inputs:
split_line_input = line_input.split(':')
actor = split_line_input[0]
line = split_line_input[1]
if "," in actor:
split_actor = actor.split(",")
actor = split_actor[0]
attitude = split_actor[1]
else:
attitude = "neutral"
lines.append({
"actor": actor.strip(),
"attitude": attitude.strip(),
"line": line.strip()
})
panels.append(lines)
num = 0
for panel in panels:
bg = Image('backgrounds/{}.png'.format(background))
line_num = 1
for line in panel:
actor = Image('sprites/{}/{}.png'.format(line['actor'],
line['attitude']))
draw_line = DrawableText(20 * line_num, 95, line['line'])
bg.composite(actor, 20 * line_num, 100, co.OverCompositeOp)
bg.draw(draw_line)
line_num = line_num + 4
bg.write('output{}.png'.format(num))
num = num + 1
def extract_substack_no_rotation( job ):
""" Extracts a sub-stack as specified in the passed job without respecting
rotation requests. A list of pgmagick images is returned -- one for each
slice, starting on top.
"""
# The actual bounding boxes used for creating the images of each stack
# depend not only on the request, but also on the translation of the stack
# wrt. the project. Therefore, a dictionary with bounding box information for
# each stack is created.
s_to_bb = {}
for stack in job.stacks:
# Retrieve translation relative to current project
translation = ProjectStack.objects.get(
project_id=job.project_id, stack_id=stack.id).translation
x_min_t = job.x_min - translation.x
x_max_t = job.x_max - translation.x
y_min_t = job.y_min - translation.y
y_max_t = job.y_max - translation.y
z_min_t = job.z_min - translation.z
z_max_t = job.z_max - translation.z
# Calculate the slice numbers and pixel positions
# bound to the stack data.
px_x_min = to_x_index(x_min_t, job)
px_x_max = to_x_index(x_max_t, job)
px_y_min = to_y_index(y_min_t, job)
px_y_max = to_y_index(y_max_t, job)
px_z_min = to_z_index(z_min_t, job)
px_z_max = to_z_index(z_max_t, job)
# Because it might be that the cropping goes over the
# stack bounds, we need to calculate the unbounded height,
# with and an offset.
px_x_min_nobound = to_x_index(x_min_t, job, False)
px_x_max_nobound = to_x_index(x_max_t, job, False)
px_y_min_nobound = to_y_index(y_min_t, job, False)
px_y_max_nobound = to_y_index(y_max_t, job, False)
width = px_x_max_nobound - px_x_min_nobound
height = px_y_max_nobound - px_y_min_nobound
px_x_offset = abs(px_x_min_nobound) if px_x_min_nobound < 0 else 0
px_y_offset = abs(px_y_min_nobound) if px_y_min_nobound < 0 else 0
# Create a dictionary entry with a simple object
class BB: pass
bb = BB()
bb.px_x_min = px_x_min
bb.px_x_max = px_x_max
bb.px_y_min = px_y_min
bb.px_y_max = px_y_max
bb.px_z_min = px_z_min
bb.px_z_max = px_z_max
bb.px_x_offset = px_x_offset
bb.px_y_offset = px_y_offset
bb.width = width
bb.height = height
s_to_bb[stack.id] = bb
# Get number of wanted slices
px_z_min = to_z_index(job.z_min, job)
px_z_max = to_z_index(job.z_max, job)
n_slices = px_z_max + 1 - px_z_min
# The images are generated per slice, so most of the following
# calculations refer to 2d images.
# Each stack to export is treated as a separate channel. The order
# of the exported dimensions is XYCZ. This means all the channels of
# one slice are exported, then the next slice follows, etc.
cropped_stack = []
# Accumulator for estimated result size
estimated_total_size = 0
# Iterate over all slices
for nz in range(n_slices):
for stack in job.stacks:
bb = s_to_bb[stack.id]
# Shortcut for tile width and height
tile_width = stack.tile_width
tile_height = stack.tile_height
# Get indices for bounding tiles (0 indexed)
tile_x_min = int(bb.px_x_min / tile_width)
tile_x_max = int(bb.px_x_max / tile_width)
tile_y_min = int(bb.px_y_min / tile_height)
tile_y_max = int(bb.px_y_max / tile_height)
# Get the number of needed tiles for each direction
num_x_tiles = tile_x_max - tile_x_min + 1
num_y_tiles = tile_y_max - tile_y_min + 1
# Associate image parts with all tiles
image_parts = []
x_dst = bb.px_x_offset
for nx, x in enumerate( range(tile_x_min, tile_x_max + 1) ):
# The min x,y for the image part in the current tile are 0
# for all tiles except the first one.
cur_px_x_min = 0 if nx > 0 else bb.px_x_min - x * tile_width
# The max x,y for the image part of current tile are the tile
# size minus one except for the last one.
if nx < (num_x_tiles - 1):
cur_px_x_max = tile_width - 1
else:
cur_px_x_max = bb.px_x_max - x * tile_width
# Reset y destination component
y_dst = bb.px_y_offset
for ny, y in enumerate( range(tile_y_min, tile_y_max + 1) ):
cur_px_y_min = 0 if ny > 0 else bb.px_y_min - y * tile_height
if ny < (num_y_tiles - 1):
cur_px_y_max = tile_height - 1
else:
cur_px_y_max = bb.px_y_max - y * tile_height
# Create an image part definition
z = bb.px_z_min + nz
path = job.get_tile_path(stack, (x, y, z))
try:
part = ImagePart(path, cur_px_x_min, cur_px_x_max,
cur_px_y_min, cur_px_y_max, x_dst, y_dst)
image_parts.append( part )
except:
# ignore failed slices
pass
# Update y component of destination position
y_dst += cur_px_y_max - cur_px_y_min
# Update x component of destination position
x_dst += cur_px_x_max - cur_px_x_min
# Write out the image parts and make sure the maximum allowed file
# size isn't exceeded.
cropped_slice = None
for ip in image_parts:
# Get (correctly cropped) image
image = ip.get_image()
# Estimate total file size and abort if this exceeds the
# maximum allowed file size.
estimated_total_size = estimated_total_size + ip.estimated_size
if estimated_total_size > settings.GENERATED_FILES_MAXIMUM_SIZE:
raise ValueError("The estimated size of the requested image "
"region is larger than the maximum allowed "
"file size: %0.2f > %s Bytes" % \
(estimated_total_size,
settings.GENERATED_FILES_MAXIMUM_SIZE))
# It is unfortunately not possible to create proper composite
# images based on a canvas image newly created like this:
# cropped_slice = Image( Geometry(bb.width, bb.height), Color("black"))
# Therefore, this workaround is used.
if not cropped_slice:
cropped_slice = Image(image)
cropped_slice.backgroundColor("black")
cropped_slice.erase()
# The '!' makes sure the aspect ration is ignored
cropped_slice.scale('%sx%s!' % (bb.width, bb.height))
# Draw the image onto result image
cropped_slice.composite( image, ip.x_dst, ip.y_dst, co.OverCompositeOp )
# Delete tile image - it's not needed anymore
del image
if cropped_slice:
# Optionally, use only a single channel
if job.single_channel:
cropped_slice.channel( ChannelType.RedChannel )
# Add the image to the cropped stack
cropped_stack.append( cropped_slice )
return cropped_stack
image_path = sys.argv[1]
tile_size = int(sys.argv[2])
# Make sure the file actually exists
if not os.path.exists(image_path):
print >> sys.stderr, "Could not find file!"
sys.exit(1)
# Get properties of image
image = Image(image_path)
image_width = image.size().width()
image_height = image.size().height()
image_name = image.fileName()
# If the image has the correct size, just exit
if image_width == tile_size and image_height == tile_size:
sys.exit(0)
# A new image with the correct size is needed, create it
geometry = Geometry(tile_size, tile_size)
color = Color("black")
new_image = Image(geometry, color)
# Copy original image to position 0,0 of new image
new_image.composite(image, 0, 0, co.OverCompositeOp)
# Override original image
new_image.write(image_name)
print >> sys.stdout, "Corrected " + image_name + " from " + str(image_width) + "x" + str(image_height) + " to " + str(tile_size) + "x" + str(tile_size)