def image(self, box, im, dpi = None):
"Write an PIL image"
# default resolution depends on mode
if not dpi:
if im.mode == "1":
dpi = 200 # fax
else:
dpi = 100 # greyscale
# image size (on paper)
x = float(im.size[0] * 72) / dpi
y = float(im.size[1] * 72) / dpi
# max allowed size
xmax = float(box[2] - box[0])
ymax = float(box[3] - box[1])
if x > xmax:
y = y * xmax / x; x = xmax
if y > ymax:
x = x * ymax / y; y = ymax
dx = (xmax - x) / 2 + box[0]
dy = (ymax - y) / 2 + box[1]
self.fp.write("gsave\n%f %f translate\n" % (dx, dy))
if (x, y) != im.size:
# EpsImagePlugin._save prints the image at (0,0,xsize,ysize)
sx = x / im.size[0]
sy = y / im.size[1]
self.fp.write("%f %f scale\n" % (sx, sy))
EpsImagePlugin._save(im, self.fp, None, 0)
self.fp.write("\ngrestore\n")
def image(self,file,x,y,xmaxsize,ymaxsize):
"""Print an image on the page. The image will be scaled so it will fit within a box at
(x,y), with size (xmaxsize,ymaxsize), and centred inside that box."""
s = ""
im = Image.open(file,"r")
xsize,ysize = im.size
if self.di.colour:
if im.mode not in ("L", "RGB", "CMYK"):
im = im.convert("RGB")
else:
im = im.convert("L")
epsfile = StringIO.StringIO()
rawxscale = float(xmaxsize)/xsize
rawyscale = float(ymaxsize)/ysize
if rawxscale == rawyscale:
scale = rawxscale
xpos = x
ypos = y
else:
if rawxscale > rawyscale:
scale = rawyscale
ypos = y
xpos = x + (xmaxsize - (xsize * scale))/2.0
else:
scale = rawxscale
xpos = x
ypos = y + (ymaxsize - (ysize * scale))/2.0
s = s + self.di.sectionSep + "% Begin EPS image:\n"
if self.di.debugBoxes:
if rawxscale > rawyscale:
dashlen = ymaxsize / 9.0
else:
dashlen = xmaxsize / 9.0
s = s + "%% debug box\n%5.3f %5.3f %5.3f %5.3f debugboxLBWH\n" % \
(x,y,xmaxsize,ymaxsize)
s = s + "%% rawxscale=%5.3f rawyscale=%5.3f\n" % (rawxscale,rawyscale)
s = s + "%% file=%s x=%5.3f y=%5.3f xmaxsize=%5.3f ymaxsize=%5.3f\n" % \
(file,x,y,xmaxsize,ymaxsize)
s = s + "%% xsize=%5.3f ysize=%5.3f rawxscale=%5.3f rawyscale=%5.3f\n" % \
(xsize,ysize,rawxscale,rawyscale)
s = s + "%% scale=%5.3f xpos=%5.3f ypos=%5.3f\n" % \
(scale,xpos,ypos)
s = s + "%% xmaxsize*scale=%5.3f ymaxsize*scale=%5.3f\n" % \
(xmaxsize*scale,ymaxsize*scale)
s = s + "5 dict begin /showpage { } bind def SA %5.3f %5.3f TR\n" % (xpos,ypos)
s = s + "%5.3f %5.3f scale\n" % (scale, scale)
s = s + "%%%%BeginDocument: %s\n" % file
EpsImagePlugin._save(im,epsfile,None,1)
eps = epsfile.getvalue()
epsfile.close()
#im.close()
s = s + eps
s = s + "\n%%EndDocument\n"
s = s + "RE end\n" \
+ "% End EPS image\n" + self.di.sectionSep
return s
def image(self, box, im, dpi=None):
"Write an PIL image"
# default resolution depends on mode
if not dpi:
if im.mode == "1":
dpi = 200 # fax
else:
dpi = 100 # greyscale
# image size (on paper)
x = float(im.size[0] * 72) / dpi
y = float(im.size[1] * 72) / dpi
# max allowed size
xmax = float(box[2] - box[0])
ymax = float(box[3] - box[1])
if x > xmax:
y = y * xmax / x
x = xmax
if y > ymax:
x = x * ymax / y
y = ymax
dx = (xmax - x) / 2 + box[0]
dy = (ymax - y) / 2 + box[1]
self.fp.write("gsave\n%f %f translate\n" % (dx, dy))
if (x, y) != im.size:
# EpsImagePlugin._save prints the image at (0,0,xsize,ysize)
sx = x / im.size[0]
sy = y / im.size[1]
self.fp.write("%f %f scale\n" % (sx, sy))
EpsImagePlugin._save(im, self.fp, None, 0)
self.fp.write("\ngrestore\n")
def image(self, file, x, y, xmaxsize, ymaxsize):
"""Print an image on the page. The image will be scaled so it will fit within a box at
(x,y), with size (xmaxsize,ymaxsize), and centred inside that box."""
s = ""
im = Image.open(file, "r")
xsize, ysize = im.size
if self.di.colour:
if im.mode not in ("L", "RGB", "CMYK"):
im = im.convert("RGB")
else:
im = im.convert("L")
epsfile = StringIO.StringIO()
rawxscale = float(xmaxsize) / xsize
rawyscale = float(ymaxsize) / ysize
if rawxscale == rawyscale:
scale = rawxscale
xpos = x
ypos = y
else:
if rawxscale > rawyscale:
scale = rawyscale
ypos = y
xpos = x + (xmaxsize - (xsize * scale)) / 2.0
else:
scale = rawxscale
xpos = x
ypos = y + (ymaxsize - (ysize * scale)) / 2.0
s = s + self.di.sectionSep + "% Begin EPS image:\n"
if self.di.debugBoxes:
if rawxscale > rawyscale:
dashlen = ymaxsize / 9.0
else:
dashlen = xmaxsize / 9.0
s = s + "%% debug box\n%5.3f %5.3f %5.3f %5.3f debugboxLBWH\n" % \
(x,y,xmaxsize,ymaxsize)
s = s + "%% rawxscale=%5.3f rawyscale=%5.3f\n" % (rawxscale, rawyscale)
s = s + "%% file=%s x=%5.3f y=%5.3f xmaxsize=%5.3f ymaxsize=%5.3f\n" % \
(file,x,y,xmaxsize,ymaxsize)
s = s + "%% xsize=%5.3f ysize=%5.3f rawxscale=%5.3f rawyscale=%5.3f\n" % \
(xsize,ysize,rawxscale,rawyscale)
s = s + "%% scale=%5.3f xpos=%5.3f ypos=%5.3f\n" % \
(scale,xpos,ypos)
s = s + "%% xmaxsize*scale=%5.3f ymaxsize*scale=%5.3f\n" % \
(xmaxsize*scale,ymaxsize*scale)
s = s + "5 dict begin /showpage { } bind def SA %5.3f %5.3f TR\n" % (
xpos, ypos)
s = s + "%5.3f %5.3f scale\n" % (scale, scale)
s = s + "%%%%BeginDocument: %s\n" % file
EpsImagePlugin._save(im, epsfile, None, 1)
eps = epsfile.getvalue()
epsfile.close()
#im.close()
s = s + eps
s = s + "\n%%EndDocument\n"
s = s + "RE end\n" \
+ "% End EPS image\n" + self.di.sectionSep
return s
