def toPILImage(self):
item = self
if item.image:
return item.image
elif item.template:
from PIL.Image import frombuffer
if item.tmplWidget: #it has been modified
tmplWidget = item.tmplWidget
else:
from template import BGTemplate
Logger.info('[SGM] toPILIMage calling fromfile ')
tmplWidget = BGTemplate.FromFile(item.template)
if tmplWidget:
#only taking the last one
tmplWidget = tmplWidget[-1]
else:
raise NameError('No such template: ' + item.template)
print 'here to be added: adding on realizer, exporting & then removing. more tricky'
if item.values:
tmplWidget.apply_values(item.values)
cim = tmplWidget.toImage(for_print=True)
pim = frombuffer('RGBA', cim.size, cim._texture.pixels, 'raw',
'RGBA', 0, 1)
else:
from PIL import Image
pim = Image.open(self.source)
return pim
def toPILImage(self):
item = self
if item.image:
return item.image
elif item.template:
from PIL.Image import frombuffer
if item.tmplWidget:#it has been modified
tmplWidget = item.tmplWidget
else:
from template import BGTemplate
Logger.info( '[SGM] toPILIMage calling fromfile ')
tmplWidget = BGTemplate.FromFile(item.template)
if tmplWidget:
#only taking the last one
tmplWidget = tmplWidget[-1]
else:
raise NameError('No such template: '+ item.template)
print 'here to be added: adding on realizer, exporting & then removing. more tricky'
if item.values:
tmplWidget.apply_values(item.values)
cim = tmplWidget.toImage(for_print=True)
pim = frombuffer('RGBA', cim.size, cim._texture.pixels, 'raw', 'RGBA',0,1)
else:
from PIL import Image
pim = Image.open(self.source)
return pim
def to_PIL(self) -> 'PIL_Image':
"""Convert the given frame into a PIL image.
Requires Pillow to be installed.
"""
self.load()
from PIL.Image import frombuffer
return frombuffer(
'RGBA',
(self.width, self.height),
self._data,
'raw',
'RGBA',
0,
1,
).copy()
def to_pil(self):
if self._cached_img is not None:
return self._cached_img
size, format, raw = yield self.get_raw_data_async()
raw = memoryview(raw)
index = 0
planes = []
for i in range(format.num_planes):
plane = self.plane_size(i)
planedata = raw[index:index+plane]
planes.append(frombuffer('L', size, planedata, 'raw', "L", 0, 1))
index += plane
pil_format = "RGB"
if format.num_planes == 4:
pil_format += "A"
return merge(pil_format, planes)
def _scale_down(self, handle, ratio):
xsize, ysize = self.size
if ratio >= 1.0:
# Convert
surface = ImageSurface(FORMAT_ARGB32, xsize, ysize)
ctx = Context(surface)
else:
# Scale
xsize, ysize = int(xsize * ratio), int(ysize * ratio)
surface = ImageSurface(FORMAT_ARGB32, xsize, ysize)
ctx = Context(surface)
ctx.scale(ratio, ratio)
# Render
handle.render_cairo(ctx)
# Transform to a PIL image for further manipulation
size = (xsize, ysize)
im = frombuffer('RGBA', size, surface.get_data(), 'raw', 'BGRA', 0, 1)
surface.finish()
return im, xsize, ysize
def _scale_down(self, handle, ratio):
xsize, ysize = self.size
if ratio >= 1.0:
# Convert
surface = ImageSurface(FORMAT_ARGB32, xsize, ysize)
ctx = Context(surface)
else:
# Scale
xsize, ysize = int(xsize * ratio), int(ysize * ratio)
surface = ImageSurface(FORMAT_ARGB32, xsize, ysize)
ctx = Context(surface)
ctx.scale(ratio, ratio)
# Render
handle.render_cairo(ctx)
# Transform to a PIL image for further manipulation
size = (xsize, ysize)
im = frombuffer('RGBA', size, surface.get_data(), 'raw', 'BGRA', 0, 1)
surface.finish()
return im, xsize, ysize
def generation_step(self, with_realize=False):
"Will be called in order to show some advancement"
i, row, col, face, item = self.index.pop()
#Determine wheter a new page should be appended
face_index = 0 if self.current_face == 'F' else 1
if self.current_face != face:
self.current_face = face
self.current_page_num[1 - face_index] = i
self.AddPage()
elif self.current_page_num[face_index] != i:
self.current_page_num[face_index] = i
self.AddPage()
#Determine Image X/Y/W/H depending on print mode
if self.mode == 'LAYOUT':
x, y, self.x, self.y, angle, pageindex = item.layout
x /= cm(1)
y /= cm(1)
self.x /= cm(1)
self.y /= cm(1)
elif self.mode == 'BINCAN':
x, y, self.x, self.y, angle, item = item #hackick: replace item in place !
x /= cm(1)
y /= cm(1)
self.x /= cm(1)
self.y /= cm(1)
else:
if face == 'F':
x, y = col * self.x + left, height - (1 + row) * self.y - top
else:
x, y = width - (1 + col) * self.x - left - right, height - (
1 + row) * self.y - top
#x, y = width - (1+col)*self.x - right, height-(1+row)*self.y - top
#self.x & slef.y has already been setp by calculate_size
#Check is there is a layout that could be used, just for the angle
if getattr(item, 'layout', 0):
angle = item.layout[4]
else:
angle = 0
#Now that in item lies the Stack Item, before rendering it, inject special print vairables
item.print_index = {
'pagenum': i,
'stackrow': row,
'stackcol': col,
'pageface': face
}
# Now, define source for image: we either get the source or convert to image
if item.image: #speicla case for complex image manip
src = ImageReader(item.image.rotate(angle))
elif item.template:
if with_realize:
item.realise(True, True)
tmplWidget = item.tmplWidget
elif item.tmplWidget: #it has been modified
tmplWidget = item.tmplWidget
else:
from template import BGTemplate
Logger.info('[Printer] Generation Step without tmplWidget')
tmplWidget = BGTemplate.FromFile(item.template)
if tmplWidget:
#only taking the last one
tmplWidget = tmplWidget[-1]
else:
raise NameError('No such template: ' + item.template)
if item.values:
tmplWidget.apply_values(item.values)
from kivy.base import EventLoop
EventLoop.idle()
cim = tmplWidget.toImage(for_print=True)
pim = frombuffer('RGBA', cim.size, cim._texture.pixels, 'raw',
'RGBA', 0, 1)
src = ImageReader(pim.rotate(angle))
else:
src = item.source
from utils import find_path
src = find_path(src)
if angle:
src = ImageReader(PILOpen(src).rotate(angle))
#print "Adding Image to pdf", i, row, col, face, item, src, x, y, self.x, self.y, angle
self.pdf.drawImage(src,
x * r_cm,
y * r_cm,
self.x * r_cm,
self.y * r_cm,
mask='auto')
from conf import CP
if CP.getboolean('Print', 'draw_cut_rect'):
#add line after image: they ll be above
self.AddLines(x, y, self.x, self.y)
def getPILimg(im):
sz = im.shape;
return frombuffer("RGB", [sz[1], sz[0]], im, "raw", "RGB", 0, 1);
def generation_step(self, with_realize = False):
"Will be called in order to show some advancement"
i, row, col, face, item = self.index.pop()
#Determine wheter a new page should be appended
face_index = 0 if self.current_face == 'F' else 1
if self.current_face != face:
self.current_face = face
self.current_page_num[1-face_index] = i
self.AddPage()
elif self.current_page_num[face_index] != i:
self.current_page_num[face_index] = i
self.AddPage()
#Determine Image X/Y/W/H depending on print mode
if self.mode == 'LAYOUT':
x, y, self.x, self.y, angle, pageindex = item.layout
x /= cm(1)
y /= cm(1)
self.x /= cm(1)
self.y /= cm(1)
elif self.mode == 'BINCAN':
x, y, self.x, self.y, angle, item = item #hackick: replace item in place !
x /= cm(1)
y /= cm(1)
self.x /= cm(1)
self.y /= cm(1)
else:
if face == 'F':
x, y = col * self.x + left, height-(1+row)*self.y - top
else:
x, y = width - (1+col)*self.x - left - right, height-(1+row)*self.y - top
#x, y = width - (1+col)*self.x - right, height-(1+row)*self.y - top
#self.x & slef.y has already been setp by calculate_size
#Check is there is a layout that could be used, just for the angle
if getattr(item, 'layout',0):
angle = item.layout[4]
else:
angle = 0
#Now that in item lies the Stack Item, before rendering it, inject special print vairables
item.print_index = {
'pagenum' : i,
'stackrow': row,
'stackcol': col,
'pageface': face
}
# Now, define source for image: we either get the source or convert to image
if item.image:#speicla case for complex image manip
src = ImageReader(item.image.rotate(angle))
elif item.template:
if with_realize:
item.realise(True,True)
tmplWidget = item.tmplWidget
elif item.tmplWidget:#it has been modified
tmplWidget = item.tmplWidget
else:
from template import BGTemplate
Logger.info( '[Printer] Generation Step without tmplWidget')
tmplWidget = BGTemplate.FromFile(item.template)
if tmplWidget:
#only taking the last one
tmplWidget = tmplWidget[-1]
else:
raise NameError('No such template: '+ item.template)
if item.values:
tmplWidget.apply_values(item.values)
from kivy.base import EventLoop
EventLoop.idle()
cim = tmplWidget.toImage(for_print=True)
pim = frombuffer('RGBA', cim.size, cim._texture.pixels, 'raw', 'RGBA',0,1)
src = ImageReader(pim.rotate(angle))
else:
src = item.source
from utils import find_path
src = find_path(src)
if angle:
src = ImageReader(PILOpen(src).rotate(angle))
#print "Adding Image to pdf", i, row, col, face, item, src, x, y, self.x, self.y, angle
self.pdf.drawImage(src, x*r_cm, y*r_cm, self.x*r_cm, self.y*r_cm, mask='auto')
from conf import CP
if CP.getboolean('Print','draw_cut_rect'):
#add line after image: they ll be above
self.AddLines(x,y,self.x,self.y)
def getPILimg(im):
sz = im.shape
return frombuffer("RGB", [sz[1], sz[0]], im, "raw", "RGB", 0, 1)
def toPILImage(self,bg_color=(1,1,1,0), for_print = False):
from PIL.Image import frombuffer
cim = self.toImage(bg_color, for_print)
return frombuffer('RGBA', cim.size, cim._texture.pixels, 'raw', 'RGBA', 0, 1)
