def processPS(self, file, writer, context, registry, bbox):
if writer.mesh_as_bitmap:
from pyx import bitmap, canvas
from PIL import Image
c = canvas.canvas()
c.insert(self)
i = Image.open(c.pipeGS("pngalpha", resolution=writer.mesh_as_bitmap_resolution))
i.load()
b = bitmap.bitmap_pt(self.bbox().llx_pt, self.bbox().lly_pt, i)
# we slightly shift the bitmap to re-center it, as the bitmap might contain some additional border
# unfortunately we need to construct another bitmap instance for that ...
b = bitmap.bitmap_pt(self.bbox().llx_pt + 0.5*(self.bbox().width_pt()-b.bbox().width_pt()),
self.bbox().lly_pt + 0.5*(self.bbox().height_pt()-b.bbox().height_pt()), i)
b.processPS(file, writer, context, registry, bbox)
else:
thisbbox = self.bbox()
bbox += thisbbox
file.write("""<< /ShadingType 4
/ColorSpace %s
/BitsPerCoordinate 24
/BitsPerComponent 8
/BitsPerFlag 8
/Decode [%f %f %f %f %s]
/DataSource currentfile /ASCIIHexDecode filter /FlateDecode filter
>> shfill\n""" % (self.elements[0].nodes[0].value.colorspacestring(),
thisbbox.llx_pt, thisbbox.urx_pt, thisbbox.lly_pt, thisbbox.ury_pt,
" ".join(["0 1" for value in self.elements[0].nodes[0].value.to8bitbytes()])))
file.write_bytes(binascii.b2a_hex(zlib.compress(self.data(thisbbox))))
file.write(">\n")
def processPDF(self, file, writer, context, registry, bbox):
if writer.mesh_as_bitmap:
from pyx import bitmap, canvas
import Image
c = canvas.canvas()
c.insert(self)
fd, fname = tempfile.mkstemp()
f = os.fdopen(fd, "wb")
f.close()
c.pipeGS(fname,
device="pngalpha",
resolution=writer.mesh_as_bitmap_resolution)
i = Image.open(fname)
os.unlink(fname)
b = bitmap.bitmap_pt(self.bbox().llx_pt, self.bbox().lly_pt, i)
# we slightly shift the bitmap to re-center it, as the bitmap might contain some additional border
# unfortunately we need to construct another bitmap instance for that ...
b = bitmap.bitmap_pt(
self.bbox().llx_pt + 0.5 *
(self.bbox().width_pt() - b.bbox().width_pt()),
self.bbox().lly_pt + 0.5 *
(self.bbox().height_pt() - b.bbox().height_pt()), i)
b.processPDF(file, writer, context, registry, bbox)
else:
thisbbox = self.bbox()
bbox += thisbbox
d = self.data(thisbbox)
if writer.compress:
filter = "/Filter /FlateDecode\n"
d = zlib.compress(d)
else:
filter = ""
name = "shading-%s" % id(self)
shading = PDFGenericResource(
"shading", name, """<<
/ShadingType 4
/ColorSpace %s
/BitsPerCoordinate 24
/BitsPerComponent 8
/BitsPerFlag 8
/Decode [%f %f %f %f %s]
/Length %i
%s>>
stream
%s
endstream\n""" % (self.elements[0].nodes[0].value.colorspacestring(),
thisbbox.llx_pt, thisbbox.urx_pt, thisbbox.lly_pt,
thisbbox.ury_pt, " ".join([
"0 1" for value in
self.elements[0].nodes[0].value.to8bitstring()
]), len(d), filter, d))
registry.add(shading)
registry.addresource("Shading", name, shading)
file.write("/%s sh\n" % name)
def processSVG(self, xml, writer, context, registry, bbox):
from pyx import bitmap, canvas
from PIL import Image
c = canvas.canvas()
c.insert(self)
i = Image.open(c.pipeGS("pngalpha", resolution=writer.mesh_as_bitmap_resolution))
i.load()
b = bitmap.bitmap_pt(self.bbox().llx_pt, self.bbox().lly_pt, i)
# we slightly shift the bitmap to re-center it, as the bitmap might contain some additional border
# unfortunately we need to construct another bitmap instance for that ...
b = bitmap.bitmap_pt(self.bbox().llx_pt + 0.5*(self.bbox().width_pt()-b.bbox().width_pt()),
self.bbox().lly_pt + 0.5*(self.bbox().height_pt()-b.bbox().height_pt()), i)
b.processSVG(xml, writer, context, registry, bbox)
def processPDF(self, file, writer, context, registry, bbox):
warnings.warn("EPS file is included as a bitmap created using pipeGS")
from pyx import bitmap, canvas
import Image
c = canvas.canvas()
c.insert(self)
i = Image.open(c.pipeGS(device="pngalpha", resolution=600, seekable=True))
i.load()
b = bitmap.bitmap_pt(self.bbox().llx_pt, self.bbox().lly_pt, i)
# we slightly shift the bitmap to re-center it, as the bitmap might contain some additional border
# unfortunately we need to construct another bitmap instance for that ...
b = bitmap.bitmap_pt(self.bbox().llx_pt + 0.5*(self.bbox().width_pt()-b.bbox().width_pt()),
self.bbox().lly_pt + 0.5*(self.bbox().height_pt()-b.bbox().height_pt()), i)
b.processPDF(file, writer, context, registry, bbox)
def processSVG(self, xml, writer, context, registry, bbox):
from pyx import bitmap, canvas
from PIL import Image
c = canvas.canvas()
c.insert(self)
i = Image.open(
c.pipeGS("pngalpha", resolution=writer.meshasbitmapresolution))
i.load()
b = bitmap.bitmap_pt(self.bbox().llx_pt, self.bbox().lly_pt, i)
# we slightly shift the bitmap to re-center it, as the bitmap might contain some additional border
# unfortunately we need to construct another bitmap instance for that ...
b = bitmap.bitmap_pt(
self.bbox().llx_pt + 0.5 *
(self.bbox().width_pt() - b.bbox().width_pt()),
self.bbox().lly_pt + 0.5 *
(self.bbox().height_pt() - b.bbox().height_pt()), i)
b.processSVG(xml, writer, context, registry, bbox)
def processPDF(self, file, writer, context, registry, bbox):
if writer.mesh_as_bitmap:
from pyx import bitmap, canvas
import Image
c = canvas.canvas()
c.insert(self)
fd, fname = tempfile.mkstemp()
f = os.fdopen(fd, "wb")
f.close()
c.pipeGS(fname, device="pngalpha", resolution=writer.mesh_as_bitmap_resolution)
i = Image.open(fname)
os.unlink(fname)
b = bitmap.bitmap_pt(self.bbox().llx_pt, self.bbox().lly_pt, i)
# we slightly shift the bitmap to re-center it, as the bitmap might contain some additional border
# unfortunately we need to construct another bitmap instance for that ...
b = bitmap.bitmap_pt(self.bbox().llx_pt + 0.5*(self.bbox().width_pt()-b.bbox().width_pt()),
self.bbox().lly_pt + 0.5*(self.bbox().height_pt()-b.bbox().height_pt()), i)
b.processPDF(file, writer, context, registry, bbox)
else:
thisbbox = self.bbox()
bbox += thisbbox
d = self.data(thisbbox)
if writer.compress:
filter = "/Filter /FlateDecode\n"
d = zlib.compress(d)
else:
filter = ""
name = "shading-%s" % id(self)
shading = PDFGenericResource("shading", name, """<<
/ShadingType 4
/ColorSpace %s
/BitsPerCoordinate 24
/BitsPerComponent 8
/BitsPerFlag 8
/Decode [%f %f %f %f %s]
/Length %i
%s>>
stream
%s
endstream\n""" % (self.elements[0].nodes[0].value.colorspacestring(),
thisbbox.llx_pt, thisbbox.urx_pt, thisbbox.lly_pt, thisbbox.ury_pt,
" ".join(["0 1" for value in self.elements[0].nodes[0].value.to8bitstring()]),
len(d), filter, d))
registry.add(shading)
registry.addresource("Shading", name, shading)
file.write("/%s sh\n" % name)
def processPS(self, file, writer, context, registry, bbox):
if writer.mesh_as_bitmap:
from pyx import bitmap, canvas
import Image
c = canvas.canvas()
c.insert(self)
fd, fname = tempfile.mkstemp()
f = os.fdopen(fd, "wb")
f.close()
c.pipeGS(fname,
device="pngalpha",
resolution=writer.mesh_as_bitmap_resolution)
i = Image.open(fname)
os.unlink(fname)
b = bitmap.bitmap_pt(self.bbox().llx_pt, self.bbox().lly_pt, i)
# we slightly shift the bitmap to re-center it, as the bitmap might contain some additional border
# unfortunately we need to construct another bitmap instance for that ...
b = bitmap.bitmap_pt(
self.bbox().llx_pt + 0.5 *
(self.bbox().width_pt() - b.bbox().width_pt()),
self.bbox().lly_pt + 0.5 *
(self.bbox().height_pt() - b.bbox().height_pt()), i)
b.processPS(file, writer, context, registry, bbox)
else:
thisbbox = self.bbox()
bbox += thisbbox
file.write("""<< /ShadingType 4
/ColorSpace %s
/BitsPerCoordinate 24
/BitsPerComponent 8
/BitsPerFlag 8
/Decode [%f %f %f %f %s]
/DataSource currentfile /ASCIIHexDecode filter /FlateDecode filter
>> shfill\n""" % (self.elements[0].nodes[0].value.colorspacestring(),
thisbbox.llx_pt, thisbbox.urx_pt, thisbbox.lly_pt,
thisbbox.ury_pt, " ".join([
"0 1" for value in
self.elements[0].nodes[0].value.to8bitstring()
])))
file.write(binascii.b2a_hex(zlib.compress(self.data(thisbbox))))
file.write("\n")
