def render_image(self, ctx, obj):
canvas_matrix = ctx.get_matrix()
canvas_trafo = libcairo.get_trafo_from_matrix(canvas_matrix)
zoom = canvas_trafo[0]
h = obj.size[1]
lu_corner = libgeom.apply_trafo_to_point([0.0, float(h)], obj.trafo)
x0, y0 = libgeom.apply_trafo_to_point(lu_corner, canvas_trafo)
m11, m12, m21, m22 = obj.trafo[:4]
matrix = cairo.Matrix(zoom * m11, -zoom * m12, -zoom * m21, zoom * m22,
x0, y0)
ctx.set_matrix(matrix)
if self.contour_flag:
if not obj.cache_gray_cdata:
libimg.update_gray_image(self.cms, obj)
ctx.set_source_surface(obj.cache_gray_cdata)
if zoom * abs(m11) > .98:
ctx.get_source().set_filter(cairo.FILTER_NEAREST)
ctx.paint_with_alpha(0.3)
else:
ctx.set_source_surface(self.get_image(obj))
if zoom * abs(m11) > .98:
ctx.get_source().set_filter(cairo.FILTER_NEAREST)
ctx.paint()
ctx.set_matrix(canvas_matrix)
def render_image(self, ctx, obj): if not obj.cache_cdata: libimg.update_image(self.cms, obj) canvas_matrix = ctx.get_matrix() canvas_trafo = libcairo.get_trafo_from_matrix(canvas_matrix) zoom = canvas_trafo[0] h = obj.size[1] lu_corner = libgeom.apply_trafo_to_point([0.0, float(h)], obj.trafo) x0, y0 = libgeom.apply_trafo_to_point(lu_corner, canvas_trafo) m11, m12, m21, m22 = obj.trafo[:4] matrix = cairo.Matrix(zoom * m11, -zoom * m12, - zoom * m21, zoom * m22, x0, y0) ctx.set_matrix(matrix) if self.contour_flag: if not obj.cache_gray_cdata: libimg.update_gray_image(self.cms, obj) ctx.set_source_surface(obj.cache_gray_cdata) if zoom * abs(m11) > .98: ctx.get_source().set_filter(cairo.FILTER_NEAREST) ctx.paint_with_alpha(0.3) else: ctx.set_source_surface(obj.cache_cdata) if zoom * abs(m11) > .98: ctx.get_source().set_filter(cairo.FILTER_NEAREST) ctx.paint() ctx.set_matrix(canvas_matrix)
def _create_pattern_image(self, obj, force_proofing=False, gray=False):
fill = obj.style[0]
pattern_fill = fill[2]
bmpstr = b64decode(pattern_fill[1])
image_obj = sk2_model.Pixmap(obj.config)
libimg.set_image_data(self.cms, image_obj, bmpstr)
libimg.flip_top_to_bottom(image_obj)
if pattern_fill[0] == sk2const.PATTERN_IMG and len(pattern_fill) > 2:
image_obj.style[3] = deepcopy(pattern_fill[2])
if gray:
libimg.update_gray_image(self.cms, image_obj)
else:
libimg.update_image(self.cms, image_obj, force_proofing)
return image_obj
def get_image(self, pixmap):
if self.colorspace == uc2const.COLOR_RGB:
if not pixmap.cache_cdata:
proofing = self.cms.proofing
self.cms.proofing = False
libimg.update_image(self.cms, pixmap)
self.cms.proofing = proofing
return pixmap.cache_cdata
elif self.colorspace == uc2const.COLOR_CMYK:
if not pixmap.cache_ps_cdata:
libimg.update_image(self.cms, pixmap, True)
pixmap.cache_ps_cdata = pixmap.cache_cdata
pixmap.cache_cdata = None
return pixmap.cache_ps_cdata
else:
if not pixmap.cache_gray_cdata:
libimg.update_gray_image(self.cms, pixmap)
return pixmap.cache_gray_cdata
def get_image(self, pixmap): if self.colorspace == uc2const.COLOR_RGB: if not pixmap.cache_cdata: proofing = self.cms.proofing self.cms.proofing = False libimg.update_image(self.cms, pixmap) self.cms.proofing = proofing return pixmap.cache_cdata elif self.colorspace == uc2const.COLOR_CMYK: if not pixmap.cache_ps_cdata: libimg.update_image(self.cms, pixmap, True) pixmap.cache_ps_cdata = pixmap.cache_cdata pixmap.cache_cdata = None return pixmap.cache_ps_cdata else: if not pixmap.cache_gray_cdata: libimg.update_gray_image(self.cms, pixmap) return pixmap.cache_gray_cdata
