def fill_pattern(self, obj, pdfpath, fill_trafo, pattern):
if not fill_trafo:
fill_trafo = [1.0, 0.0, 0.0, 1.0, 0.0, 0.0]
inv_ptrn_trafo = libgeom.invert_trafo(pattern[3])
inv_trafo = libgeom.multiply_trafo(
libgeom.invert_trafo(fill_trafo),
libgeom.invert_trafo(inv_ptrn_trafo))
paths = libgeom.apply_trafo_to_paths(obj.paths, obj.trafo)
paths = libgeom.apply_trafo_to_paths(paths, inv_trafo)
bbox = libgeom.get_paths_bbox(paths)
cv_trafo = libgeom.multiply_trafo(pattern[3], fill_trafo)
image_obj = sk2_model.Pixmap(obj.config)
image_obj.handler.load_from_b64str(self.cms, pattern[1])
if pattern[0] == sk2const.PATTERN_IMG and len(pattern) > 2:
image_obj.style[3] = deepcopy(pattern[2])
self.canvas.saveState()
self.canvas.clipPath(pdfpath, 0, 0)
self.canvas.transform(*cv_trafo)
w, h = image_obj.get_size()
x = bbox[0]
y = bbox[3]
while y > bbox[1] - h:
while x < bbox[2]:
self.canvas.saveState()
self.canvas.transform(1.0, 0.0, 0.0, 1.0, x, y)
self.draw_pixmap_obj(image_obj)
self.canvas.restoreState()
x += w
y -= h
x = bbox[0]
self.canvas.restoreState()
def fill_radial_tr_gradient(self, obj, pdfpath, fill_trafo, gradient):
if not fill_trafo:
fill_trafo = [1.0, 0.0, 0.0, 1.0, 0.0, 0.0]
stops = gradient[2]
sp, ep = gradient[1]
dx, dy = sp
l = libgeom.distance(sp, ep)
trafo = [1.0, 0.0, 0.0, 1.0, dx, dy]
inv_trafo = libgeom.multiply_trafo(libgeom.invert_trafo(fill_trafo),
libgeom.invert_trafo(trafo))
cv_trafo = libgeom.multiply_trafo(trafo, fill_trafo)
paths = libgeom.apply_trafo_to_paths(obj.paths, obj.trafo)
paths = libgeom.apply_trafo_to_paths(paths, inv_trafo)
bbox = libgeom.sum_bbox(libgeom.get_paths_bbox(paths),
[0.0, 0.0, l, 0.0])
bbox = libgeom.normalize_bbox(bbox)
d = libgeom.distance(*libgeom.apply_trafo_to_points([[0.0, 0.0],
[0.0, 1.0]],
inv_trafo))
circle_paths = libgeom.get_circle_paths(0.0, 0.0, sk2const.ARC_CHORD)
trafo = [2.0, 0.0, 0.0, 2.0, -1.0, -1.0]
circle_paths = libgeom.apply_trafo_to_paths(circle_paths, trafo)
inner_paths = []
r = 0.0
self.canvas.saveState()
self.canvas.clipPath(pdfpath, 0, 0)
self.canvas.transform(*cv_trafo)
while r < l:
point = r / l
self.canvas.setFillColor(self.get_grcolor_at_point(stops, point))
if r + d < l:
coef = (r + d)
else:
coef = l
trafo = [coef, 0.0, 0.0, coef, 0.0, 0.0]
paths = libgeom.apply_trafo_to_paths(circle_paths, trafo)
ring = self.make_pdfpath(inner_paths + paths)[0]
inner_paths = paths
self.canvas.drawPath(ring, stroke=0, fill=1)
r += d
self.canvas.setFillColor(self.get_grcolor_at_point(stops, 1.0))
r = max(bbox[2] - bbox[0], bbox[3] - bbox[1])
trafo = [2.0 * r, 0.0, 0.0, 2.0 * r, 0.0, 0.0]
paths = libgeom.apply_trafo_to_paths(circle_paths, trafo)
ring = self.make_pdfpath(inner_paths + paths)[0]
self.canvas.drawPath(ring, stroke=0, fill=1)
self.canvas.restoreState()
def fill_linear_tr_gradient(self, obj, pdfpath, fill_trafo, gradient):
if not fill_trafo:
fill_trafo = [1.0, 0.0, 0.0, 1.0, 0.0, 0.0]
stops = gradient[2]
sp, ep = gradient[1]
dx, dy = sp
l = libgeom.distance(sp, ep)
angle = libgeom.get_point_angle(ep, sp)
m21 = math.sin(angle)
m11 = m22 = math.cos(angle)
m12 = -m21
trafo = [m11, m21, m12, m22, dx, dy]
inv_trafo = libgeom.multiply_trafo(libgeom.invert_trafo(fill_trafo),
libgeom.invert_trafo(trafo))
cv_trafo = libgeom.multiply_trafo(trafo, fill_trafo)
paths = libgeom.apply_trafo_to_paths(obj.paths, obj.trafo)
paths = libgeom.apply_trafo_to_paths(paths, inv_trafo)
bbox = libgeom.sum_bbox(libgeom.get_paths_bbox(paths),
[0.0, 0.0, l, 0.0])
bbox = libgeom.normalize_bbox(bbox)
y = bbox[1]
d = libgeom.distance(*libgeom.apply_trafo_to_points([[0.0, 0.0],
[0.0, 1.0]],
inv_trafo))
height = bbox[3] - bbox[1]
self.canvas.saveState()
self.canvas.clipPath(pdfpath, 0, 0)
self.canvas.transform(*cv_trafo)
self.canvas.setFillColor(self.get_grcolor_at_point(stops, 0.0))
self.canvas.rect(bbox[0], y, 0.0 - bbox[0], height, stroke=0, fill=1)
x = 0.0
while x < l:
point = x / l
self.canvas.setFillColor(self.get_grcolor_at_point(stops, point))
if x + d < l:
width = d
else:
width = l - x
self.canvas.rect(x, y, width, height, stroke=0, fill=1)
x += d
self.canvas.setFillColor(self.get_grcolor_at_point(stops, 1.0))
self.canvas.rect(l, y, bbox[2] - l, height, stroke=0, fill=1)
self.canvas.restoreState()
def fill_radial_tr_gradient(self, obj, pdfpath, fill_trafo, gradient): if not fill_trafo: fill_trafo = [1.0, 0.0, 0.0, 1.0, 0.0, 0.0] stops = gradient[2] sp, ep = gradient[1] dx, dy = sp l = libgeom.distance(sp, ep) trafo = [1.0, 0.0, 0.0, 1.0, dx, dy] inv_trafo = libgeom.multiply_trafo(libgeom.invert_trafo(fill_trafo), libgeom.invert_trafo(trafo)) cv_trafo = libgeom.multiply_trafo(trafo, fill_trafo) paths = libgeom.apply_trafo_to_paths(obj.paths, obj.trafo) paths = libgeom.apply_trafo_to_paths(paths, inv_trafo) bbox = libgeom.sum_bbox(libgeom.get_paths_bbox(paths), [0.0, 0.0, l, 0.0]) bbox = libgeom.normalize_bbox(bbox) d = libgeom.distance(*libgeom.apply_trafo_to_points([[0.0, 0.0], [0.0, 1.0]], inv_trafo)) circle_paths = libgeom.get_circle_paths(0.0, 0.0, sk2_const.ARC_CHORD) trafo = [2.0, 0.0, 0.0, 2.0, -1.0, -1.0] circle_paths = libgeom.apply_trafo_to_paths(circle_paths, trafo) inner_paths = [] r = 0.0 self.canvas.saveState() self.canvas.clipPath(pdfpath, 0, 0) self.canvas.transform(*cv_trafo) while r < l: point = r / l self.canvas.setFillColor(self.get_grcolor_at_point(stops, point)) if r + d < l: coef = (r + d) else: coef = l trafo = [coef, 0.0, 0.0, coef, 0.0, 0.0] paths = libgeom.apply_trafo_to_paths(circle_paths, trafo) ring = self.make_pdfpath(inner_paths + paths)[0] inner_paths = paths self.canvas.drawPath(ring, stroke=0, fill=1) r += d self.canvas.setFillColor(self.get_grcolor_at_point(stops, 1.0)) r = max(bbox[2] - bbox[0], bbox[3] - bbox[1]) trafo = [2.0 * r, 0.0, 0.0, 2.0 * r, 0.0, 0.0] paths = libgeom.apply_trafo_to_paths(circle_paths, trafo) ring = self.make_pdfpath(inner_paths + paths)[0] self.canvas.drawPath(ring, stroke=0, fill=1) self.canvas.restoreState()
def fill_linear_tr_gradient(self, obj, pdfpath, fill_trafo, gradient): if not fill_trafo: fill_trafo = [1.0, 0.0, 0.0, 1.0, 0.0, 0.0] stops = gradient[2] sp, ep = gradient[1] dx, dy = sp l = libgeom.distance(sp, ep) angle = libgeom.get_point_angle(ep, sp) m21 = math.sin(angle) m11 = m22 = math.cos(angle) m12 = -m21 trafo = [m11, m21, m12, m22, dx, dy] inv_trafo = libgeom.multiply_trafo(libgeom.invert_trafo(fill_trafo), libgeom.invert_trafo(trafo)) cv_trafo = libgeom.multiply_trafo(trafo, fill_trafo) paths = libgeom.apply_trafo_to_paths(obj.paths, obj.trafo) paths = libgeom.apply_trafo_to_paths(paths, inv_trafo) bbox = libgeom.sum_bbox(libgeom.get_paths_bbox(paths), [0.0, 0.0, l, 0.0]) bbox = libgeom.normalize_bbox(bbox) y = bbox[1] d = libgeom.distance(*libgeom.apply_trafo_to_points([[0.0, 0.0], [0.0, 1.0]], inv_trafo)) height = bbox[3] - bbox[1] self.canvas.saveState() self.canvas.clipPath(pdfpath, 0, 0) self.canvas.transform(*cv_trafo) self.canvas.setFillColor(self.get_grcolor_at_point(stops, 0.0)) self.canvas.rect(bbox[0], y, 0.0 - bbox[0], height, stroke=0, fill=1) x = 0.0 while x < l: point = x / l self.canvas.setFillColor(self.get_grcolor_at_point(stops, point)) if x + d < l: width = d else: width = l - x self.canvas.rect(x, y, width, height, stroke=0, fill=1) x += d self.canvas.setFillColor(self.get_grcolor_at_point(stops, 1.0)) self.canvas.rect(l, y, bbox[2] - l, height, stroke=0, fill=1) self.canvas.restoreState()
def fill_pattern(self, obj, pdfpath, fill_trafo, pattern): if not fill_trafo: fill_trafo = [1.0, 0.0, 0.0, 1.0, 0.0, 0.0] inv_ptrn_trafo = libgeom.invert_trafo(pattern[3]) inv_trafo = libgeom.multiply_trafo(libgeom.invert_trafo(fill_trafo), libgeom.invert_trafo(inv_ptrn_trafo)) paths = libgeom.apply_trafo_to_paths(obj.paths, obj.trafo) paths = libgeom.apply_trafo_to_paths(paths, inv_trafo) bbox = libgeom.get_paths_bbox(paths) cv_trafo = libgeom.multiply_trafo(pattern[3], fill_trafo) bmpstr = b64decode(pattern[1]) image_obj = sk2_model.Pixmap(obj.config) libimg.set_image_data(self.cms, image_obj, bmpstr) if pattern[0] == sk2_const.PATTERN_IMG and \ len(pattern) > 2: image_obj.style[3] = deepcopy(pattern[2]) libimg.update_image(self.cms, image_obj) self.canvas.saveState() self.canvas.clipPath(pdfpath, 0, 0) self.canvas.transform(*cv_trafo) w, h = image_obj.get_size() x = bbox[0] y = bbox[3] while y > bbox[1] - h: while x < bbox[2]: self.canvas.saveState() self.canvas.transform(1.0, 0.0, 0.0, 1.0, x, y) self.draw_pixmap_obj(image_obj) self.canvas.restoreState() x += w y -= h x = bbox[0] self.canvas.restoreState()
