def __save(self, target_path, pages):
pdf_surface = cairo.PDFSurface(target_path, self.__page_format[0],
self.__page_format[1])
pdf_context = cairo.Context(pdf_surface)
quality = float(self.__quality) / 100.0
for page in [self.doc.pages[x] for x in range(pages[0], pages[1])]:
img = page.img
if (img.size[0] < img.size[1]):
(x, y) = (min(self.__page_format[0], self.__page_format[1]),
max(self.__page_format[0], self.__page_format[1]))
else:
(x, y) = (max(self.__page_format[0], self.__page_format[1]),
min(self.__page_format[0], self.__page_format[1]))
pdf_surface.set_size(x, y)
new_size = (int(quality * img.size[0]), int(quality * img.size[1]))
img = img.resize(new_size, PIL.Image.ANTIALIAS)
scale_factor_x = x / img.size[0]
scale_factor_y = y / img.size[1]
scale_factor = min(scale_factor_x, scale_factor_y)
img_surface = image2surface(img)
pdf_context.identity_matrix()
pdf_context.scale(scale_factor, scale_factor)
pdf_context.set_source_surface(img_surface)
pdf_context.paint()
pdf_context.show_page()
return target_path
def __save(self, target_path, pages):
pdf_surface = cairo.PDFSurface(target_path,
self.__page_format[0],
self.__page_format[1])
pdf_context = cairo.Context(pdf_surface)
quality = float(self.__quality) / 100.0
for page in [self.doc.pages[x] for x in range(pages[0], pages[1])]:
img = page.img
if (img.size[0] < img.size[1]):
(x, y) = (min(self.__page_format[0], self.__page_format[1]),
max(self.__page_format[0], self.__page_format[1]))
else:
(x, y) = (max(self.__page_format[0], self.__page_format[1]),
min(self.__page_format[0], self.__page_format[1]))
pdf_surface.set_size(x, y)
new_size = (int(quality * img.size[0]),
int(quality * img.size[1]))
img = img.resize(new_size, Image.ANTIALIAS)
scale_factor_x = x / img.size[0]
scale_factor_y = y / img.size[1]
scale_factor = min(scale_factor_x, scale_factor_y)
img_surface = image2surface(img)
pdf_context.identity_matrix()
pdf_context.scale(scale_factor, scale_factor)
pdf_context.set_source_surface(img_surface)
pdf_context.paint()
pdf_context.show_page()
return target_path
def __save(self, target_path, pages):
# TODO(Jflesch): Other formats (Letter, etc)
pdf_format = self.PDF_A4_FORMAT
pdf_surface = cairo.PDFSurface(target_path,
pdf_format[0], pdf_format[1])
pdf_context = cairo.Context(pdf_surface)
quality = float(self.__quality) / 100.0
for page in [self.doc.pages[x] for x in range(pages[0], pages[1])]:
img = page.img
if (img.size[0] > img.size[1]):
img = img.rotate(90)
new_size = (int(quality * img.size[0]),
int(quality * img.size[1]))
img = img.resize(new_size, Image.ANTIALIAS)
scale_factor_x = float(pdf_format[0]) / img.size[0]
scale_factor_y = float(pdf_format[1]) / img.size[0]
scale_factor = min(scale_factor_x, scale_factor_y)
img_surface = image2surface(img)
pdf_context.identity_matrix()
pdf_context.scale(scale_factor, scale_factor)
pdf_context.set_source_surface(img_surface)
pdf_context.paint()
pdf_context.show_page()
return target_path
def print_page_cb(self, print_op, print_context):
"""
Called for printing operation by Gtk
"""
SCALING = 2.0
img = self.img
(width, height) = img.size
# take care of rotating the image if required
if print_context.get_width() <= print_context.get_height():
print_orientation = self.ORIENTATION_PORTRAIT
else:
print_orientation = self.ORIENTATION_LANDSCAPE
if width <= height:
img_orientation = self.ORIENTATION_PORTRAIT
else:
img_orientation = self.ORIENTATION_LANDSCAPE
if print_orientation != img_orientation:
logger.info("Rotating the page ...")
img = img.rotate(90)
# scale the image down
# XXX(Jflesch): beware that we get floats for the page size ...
new_w = int(SCALING * (print_context.get_width()))
new_h = int(SCALING * (print_context.get_height()))
logger.info("DPI: %fx%f" % (print_context.get_dpi_x(),
print_context.get_dpi_y()))
logger.info("Scaling it down to %fx%f..." % (new_w, new_h))
img = img.resize((new_w, new_h), PIL.Image.ANTIALIAS)
surface = image2surface(img)
# .. and print !
cairo_context = print_context.get_cairo_context()
cairo_context.scale(1.0 / SCALING, 1.0 / SCALING)
cairo_context.set_source_surface(surface, 0, 0)
cairo_context.paint()
def print_page_cb(self, print_op, print_context):
"""
Called for printing operation by Gtk
"""
SCALING = 2.0
img = self.img
(width, height) = img.size
# take care of rotating the image if required
if print_context.get_width() <= print_context.get_height():
print_orientation = self.ORIENTATION_PORTRAIT
else:
print_orientation = self.ORIENTATION_LANDSCAPE
if width <= height:
img_orientation = self.ORIENTATION_PORTRAIT
else:
img_orientation = self.ORIENTATION_LANDSCAPE
if print_orientation != img_orientation:
print "Rotating the page ..."
img = img.rotate(90)
# scale the image down
# XXX(Jflesch): beware that we get floats for the page size ...
new_w = int(SCALING * (print_context.get_width()))
new_h = int(SCALING * (print_context.get_height()))
print "DPI: %fx%f" % (print_context.get_dpi_x(),
print_context.get_dpi_y())
print "Scaling it down to %fx%f..." % (new_w, new_h)
img = img.resize((new_w, new_h), Image.ANTIALIAS)
surface = image2surface(img)
# .. and print !
cairo_context = print_context.get_cairo_context()
cairo_context.scale(1.0 / SCALING, 1.0 / SCALING)
cairo_context.set_source_surface(surface, 0, 0)
cairo_context.paint()
