def update_objects_grid(self):
self.objects_grid = [[], []]
layers = self.presenter.get_visible_layers()
for layer in layers:
for obj in layer.childs:
points = libgeom.bbox_middle_points(obj.cache_bbox)
for point in points:
self.objects_grid[0].append(point[0])
self.objects_grid[1].append(point[1])
def update_objects_grid(self): self.objects_grid = [[], []] layers = self.presenter.get_visible_layers() for layer in layers: for obj in layer.childs: points = libgeom.bbox_middle_points(obj.cache_bbox) for point in points: self.objects_grid[0].append(point[0]) self.objects_grid[1].append(point[1])
def _snap(self, bbox, trafo):
result = [] + trafo
points = libgeom.bbox_middle_points(bbox)
tr_points = libgeom.apply_trafo_to_points(points, trafo)
active_snap = [None, None]
shift_x = []
snap_x = []
for point in [tr_points[0], tr_points[2], tr_points[1]]:
flag, wp, dp = self.snap.snap_point(point, False, snap_y=False)
if flag:
shift_x.append(dp[0] - point[0])
snap_x.append(dp[0])
if shift_x:
if len(shift_x) > 1:
if abs(shift_x[0]) < abs(shift_x[1]):
dx = shift_x[0]
active_snap[0] = snap_x[0]
else:
dx = shift_x[1]
active_snap[0] = snap_x[1]
else:
dx = shift_x[0]
active_snap[0] = snap_x[0]
result[4] += dx
shift_y = []
snap_y = []
pnts = [tr_points[1], tr_points[3], tr_points[2]]
if len(self.selection.objs) == 1 and self.selection.objs[0].is_text:
line_points = self.selection.objs[0].get_line_points()
pnts = libgeom.apply_trafo_to_points(line_points, trafo) + pnts
for point in pnts:
flag, wp, dp = self.snap.snap_point(point, False, snap_x=False)
if flag:
shift_y.append(dp[1] - point[1])
snap_y.append(dp[1])
if shift_y:
if len(shift_y) > 1:
if abs(shift_y[0]) < abs(shift_y[1]):
dy = shift_y[0]
active_snap[1] = snap_y[0]
else:
dy = shift_y[1]
active_snap[1] = snap_y[1]
else:
dy = shift_y[0]
active_snap[1] = snap_y[0]
result[5] += dy
self.snap.active_snap = [] + active_snap
return result
def _snap(self, bbox, trafo): result = [] + trafo points = libgeom.bbox_middle_points(bbox) tr_points = libgeom.apply_trafo_to_points(points, trafo) active_snap = [None, None] shift_x = [] snap_x = [] for point in [tr_points[0], tr_points[2], tr_points[1]]: flag, wp, dp = self.snap.snap_point(point, False, snap_y=False) if flag: shift_x.append(dp[0] - point[0]) snap_x.append(dp[0]) if shift_x: if len(shift_x) > 1: if abs(shift_x[0]) < abs(shift_x[1]): dx = shift_x[0] active_snap[0] = snap_x[0] else: dx = shift_x[1] active_snap[0] = snap_x[1] else: dx = shift_x[0] active_snap[0] = snap_x[0] result[4] += dx shift_y = [] snap_y = [] pnts = [tr_points[1], tr_points[3], tr_points[2]] if len(self.selection.objs) == 1 and self.selection.objs[0].is_text(): line_points = self.selection.objs[0].get_line_points() pnts = libgeom.apply_trafo_to_points(line_points, trafo) + pnts for point in pnts: flag, wp, dp = self.snap.snap_point(point, False, snap_x=False) if flag: shift_y.append(dp[1] - point[1]) snap_y.append(dp[1]) if shift_y: if len(shift_y) > 1: if abs(shift_y[0]) < abs(shift_y[1]): dy = shift_y[0] active_snap[1] = snap_y[0] else: dy = shift_y[1] active_snap[1] = snap_y[1] else: dy = shift_y[0] active_snap[1] = snap_y[0] result[5] += dy self.snap.active_snap = [] + active_snap return result
def _calc_bottom_scale_trafo(self, event):
is_centering = event.is_shift()
is_constraining = event.is_ctrl()
is_snapping = not is_constraining
m11, m21, m12, m22, dx, dy = sk2const.NORMAL_TRAFO
start_point = self.canvas.win_to_doc(self.start)
end_point = self.canvas.win_to_doc(self.end)
bbox = self.presenter.selection.bbox
middle_points = libgeom.bbox_middle_points(bbox)
point = middle_points[3]
base_y = bbox[3]
h = libgeom.bbox_size(bbox)[1]
if is_centering:
shift_y = h / 2.0 + self.selection.center_offset[1]
ratio_y = h / shift_y if shift_y else 1.0
ratio_y = ratio_y if abs(ratio_y) < MAX_RATIO_TRAFO else 1.0
shift_y = h - shift_y
else:
shift_y, ratio_y = 0.0, 1.0
change_y = h + (start_point[1] - end_point[1]) * ratio_y
if is_constraining and h and change_y:
if -h < change_y < h:
change_y = 1.0 / (h // change_y) * h
else:
change_y = h + (change_y - h / 2) // h * h
m22 = change_y / h if h and change_y else 1.0
dy = base_y - base_y * m22 + shift_y * (m22 - 1.0)
if is_snapping:
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
flag, _wp, end_point = self.snap.snap_point(p, False)
start_point = point
if flag:
change_y = h + (start_point[1] - end_point[1]) * ratio_y
m22 = change_y / h if h else 1.0
dy = base_y - base_y * m22 + shift_y * (m22 - 1.0)
return [m11 or EPSILON, m21, m12, m22 or EPSILON, dx, dy]
def _calc_left_scale_trafo(self, event):
is_centering = event.is_shift()
is_constraining = event.is_ctrl()
is_snapping = not is_constraining
m11, m21, m12, m22, dx, dy = sk2const.NORMAL_TRAFO
start_point = self.canvas.win_to_doc(self.start)
end_point = self.canvas.win_to_doc(self.end)
bbox = self.presenter.selection.bbox
middle_points = libgeom.bbox_middle_points(bbox)
point = middle_points[0]
base_x = bbox[2]
w = libgeom.bbox_size(bbox)[0]
if is_centering:
shift_x = w / 2.0 + self.selection.center_offset[0]
ratio_x = w / shift_x if shift_x else 1.0
ratio_x = ratio_x if abs(ratio_x) < MAX_RATIO_TRAFO else 1.0
shift_x = w - shift_x
else:
shift_x, ratio_x = 0.0, 1.0
change_x = w + (start_point[0] - end_point[0]) * ratio_x
if is_constraining and w and change_x:
if -w < change_x < w:
change_x = 1.0 / (w // change_x) * w
else:
change_x = w + (change_x - w / 2) // w * w
m11 = change_x / w if w and change_x else 1.0
dx = base_x - base_x * m11 + shift_x * (m11 - 1.0)
if is_snapping:
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
flag, _wp, end_point = self.snap.snap_point(p, False)
start_point = point
if flag:
change_x = w + (start_point[0] - end_point[0]) * ratio_x
m11 = change_x / w if w else 1.0
dx = base_x - base_x * m11 + shift_x * (m11 - 1.0)
return [m11 or EPSILON, m21, m12, m22 or EPSILON, dx, dy]
def _calc_trafo(self, event): control = shift = False if event.state & gtk.gdk.CONTROL_MASK: control = True if event.state & gtk.gdk.SHIFT_MASK: shift = True mark = self.canvas.resize_marker start_point = self.canvas.win_to_doc(self.start) end_point = self.canvas.win_to_doc(self.end) bbox = self.presenter.selection.bbox middle_points = libgeom.bbox_middle_points(bbox) w = bbox[2] - bbox[0] h = bbox[3] - bbox[1] m11 = m22 = 1.0 m12 = m21 = 0.0 dx = dy = 0.0 snap = [None, None] if mark == 0: dx = start_point[0] - end_point[0] dy = end_point[1] - start_point[1] if shift: if control: m11 = (w + 2.0 * dx) / w m22 = (h + 2.0 * dy) / h dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = point[0] - p_doc[0] m11 = (w + 2.0 * dx) / w dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 snap[0] = self.snap.active_snap[0] point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = p_doc[1] - point[1] m22 = (h + 2.0 * dy) / h dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if abs(dx) < abs(dy): m11 = m22 = (w + 2.0 * dx) / w else: m11 = m22 = (h + 2.0 * dy) / h dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = point[0] - p_doc[0] m11 = m22 = (w + 2.0 * dx) / w dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 snap[0] = self.snap.active_snap[0] else: point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = p_doc[1] - point[1] m11 = m22 = (h + 2.0 * dy) / h dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if control: m11 = (w + dx) / w m22 = (h + dy) / h dx = -(bbox[2] * m11 - bbox[2]) dy = -(bbox[1] * m22 - bbox[1]) #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = point[0] - p_doc[0] m11 = (w + dx) / w dx = -(bbox[2] * m11 - bbox[2]) snap[0] = self.snap.active_snap[0] point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = p_doc[1] - point[1] m22 = (h + dy) / h dy = -(bbox[1] * m22 - bbox[1]) snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if abs(dx) < abs(dy): m11 = m22 = (w + dx) / w else: m11 = m22 = (h + dy) / h dx = -(bbox[2] * m11 - bbox[2]) dy = -(bbox[1] * m22 - bbox[1]) #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = point[0] - p_doc[0] m11 = m22 = (w + dx) / w dx = -(bbox[2] * m11 - bbox[2]) dy = -(bbox[1] * m22 - bbox[1]) snap[0] = self.snap.active_snap[0] else: point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = p_doc[1] - point[1] m11 = m22 = (h + dy) / h dx = -(bbox[2] * m11 - bbox[2]) dy = -(bbox[1] * m22 - bbox[1]) snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping if mark == 1: dy = end_point[1] - start_point[1] if shift: m22 = (h + 2.0 * dy) / h dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False) dy = p_doc[1] - point[1] m22 = (h + 2.0 * dy) / h dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 #---- snapping else: m22 = (h + dy) / h dy = -(bbox[1] * m22 - bbox[1]) #---- snapping point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False) dy = p_doc[1] - point[1] m22 = (h + dy) / h dy = -(bbox[1] * m22 - bbox[1]) #---- snapping if mark == 2: dx = end_point[0] - start_point[0] dy = end_point[1] - start_point[1] if shift: if control: m11 = (w + 2.0 * dx) / w m22 = (h + 2.0 * dy) / h dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = p_doc[0] - point[0] m11 = (w + 2.0 * dx) / w dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 snap[0] = self.snap.active_snap[0] point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = p_doc[1] - point[1] m22 = (h + 2.0 * dy) / h dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if abs(dx) < abs(dy): m11 = m22 = (w + 2.0 * dx) / w else: m11 = m22 = (h + 2.0 * dy) / h dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = p_doc[0] - point[0] m11 = m22 = (w + 2.0 * dx) / w dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 snap[0] = self.snap.active_snap[0] else: point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = p_doc[1] - point[1] m11 = m22 = (h + 2.0 * dy) / h dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0 snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if control: m11 = (w + dx) / w m22 = (h + dy) / h dx = -(bbox[0] * m11 - bbox[0]) dy = -(bbox[1] * m22 - bbox[1]) #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = p_doc[0] - point[0] m11 = (w + dx) / w dx = -(bbox[0] * m11 - bbox[0]) snap[0] = self.snap.active_snap[0] point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = p_doc[1] - point[1] m22 = (h + dy) / h dy = -(bbox[1] * m22 - bbox[1]) snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if abs(dx) < abs(dy): m11 = m22 = (w + dx) / w else: m11 = m22 = (h + dy) / h dx = -(bbox[0] * m11 - bbox[0]) dy = -(bbox[1] * m22 - bbox[1]) #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = p_doc[0] - point[0] m11 = m22 = (w + dx) / w dx = -(bbox[0] * m11 - bbox[0]) dy = -(bbox[1] * m22 - bbox[1]) snap[0] = self.snap.active_snap[0] else: point = middle_points[1] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = p_doc[1] - point[1] m11 = m22 = (h + dy) / h dx = -(bbox[0] * m11 - bbox[0]) dy = -(bbox[1] * m22 - bbox[1]) snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping if mark == 3: dx = start_point[0] - end_point[0] if shift: m11 = (w + 2.0 * dx) / w dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False) dx = point[0] - p_doc[0] m11 = (w + 2.0 * dx) / w dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 #---- snapping else: m11 = (w + dx) / w dx = -(bbox[2] * m11 - bbox[2]) #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False) dx = point[0] - p_doc[0] m11 = (w + dx) / w dx = -(bbox[2] * m11 - bbox[2]) #---- snapping if mark == 5: dx = end_point[0] - start_point[0] if shift: m11 = (w + 2.0 * dx) / w dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False) dx = p_doc[0] - point[0] m11 = (w + 2.0 * dx) / w dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 #---- snapping else: m11 = (w + dx) / w dx = -(bbox[0] * m11 - bbox[0]) #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False) dx = p_doc[0] - point[0] m11 = (w + dx) / w dx = -(bbox[0] * m11 - bbox[0]) #---- snapping if mark == 6: dx = start_point[0] - end_point[0] dy = start_point[1] - end_point[1] if shift: if control: m11 = (w + 2.0 * dx) / w m22 = (h + 2.0 * dy) / h dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = point[0] - p_doc[0] m11 = (w + 2.0 * dx) / w dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 snap[0] = self.snap.active_snap[0] point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = point[1] - p_doc[1] m22 = (h + 2.0 * dy) / h dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if abs(dx) < abs(dy): m11 = m22 = (w + 2.0 * dx) / w else: m11 = m22 = (h + 2.0 * dy) / h dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = point[0] - p_doc[0] m11 = m22 = (w + 2.0 * dx) / w dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 snap[0] = self.snap.active_snap[0] else: point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = point[1] - p_doc[1] m11 = m22 = (h + 2.0 * dy) / h dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0 dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if control: m11 = (w + dx) / w m22 = (h + dy) / h dx = -(bbox[2] * m11 - bbox[2]) dy = -(bbox[3] * m22 - bbox[3]) #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = point[0] - p_doc[0] m11 = (w + dx) / w dx = -(bbox[2] * m11 - bbox[2]) snap[0] = self.snap.active_snap[0] point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = point[1] - p_doc[1] m22 = (h + dy) / h dy = -(bbox[3] * m22 - bbox[3]) snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if abs(dx) < abs(dy): m11 = m22 = (w + dx) / w else: m11 = m22 = (h + dy) / h dx = -(bbox[2] * m11 - bbox[2]) dy = -(bbox[3] * m22 - bbox[3]) #---- snapping point = middle_points[0] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = point[0] - p_doc[0] m11 = m22 = (w + dx) / w dx = -(bbox[2] * m11 - bbox[2]) dy = -(bbox[3] * m22 - bbox[3]) snap[0] = self.snap.active_snap[0] else: point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = point[1] - p_doc[1] m11 = m22 = (h + dy) / h dx = -(bbox[2] * m11 - bbox[2]) dy = -(bbox[3] * m22 - bbox[3]) snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping if mark == 7: dy = start_point[1] - end_point[1] if shift: m22 = (h + 2.0 * dy) / h dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False) dy = point[1] - p_doc[1] m22 = (h + 2.0 * dy) / h dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 #---- snapping else: m22 = (h + dy) / h dy = -(bbox[3] * m22 - bbox[3]) #---- snapping point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False) dy = point[1] - p_doc[1] m22 = (h + dy) / h dy = -(bbox[3] * m22 - bbox[3]) #---- snapping if mark == 8: dx = end_point[0] - start_point[0] dy = start_point[1] - end_point[1] if shift: if control: m11 = (w + 2.0 * dx) / w m22 = (h + 2.0 * dy) / h dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = p_doc[0] - point[0] m11 = (w + 2.0 * dx) / w dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 snap[0] = self.snap.active_snap[0] point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = point[1] - p_doc[1] m22 = (h + 2.0 * dy) / h dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if abs(dx) < abs(dy): m11 = m22 = (w + 2.0 * dx) / w else: m11 = m22 = (h + 2.0 * dy) / h dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = p_doc[0] - point[0] m11 = m22 = (w + 2.0 * dx) / w dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 snap[0] = self.snap.active_snap[0] else: point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = point[1] - p_doc[1] m11 = m22 = (h + 2.0 * dy) / h dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0 dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0 snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if control: m11 = (w + dx) / w m22 = (h + dy) / h dx = -(bbox[0] * m11 - bbox[0]) dy = -(bbox[3] * m22 - bbox[3]) #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = p_doc[0] - point[0] m11 = (w + dx) / w dx = -(bbox[0] * m11 - bbox[0]) snap[0] = self.snap.active_snap[0] point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = point[1] - p_doc[1] m22 = (h + dy) / h dy = -(bbox[3] * m22 - bbox[3]) snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping else: if abs(dx) < abs(dy): m11 = m22 = (w + dx) / w else: m11 = m22 = (h + dy) / h dx = -(bbox[0] * m11 - bbox[0]) dy = -(bbox[3] * m22 - bbox[3]) #---- snapping point = middle_points[2] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_y=False) if f: dx = p_doc[0] - point[0] m11 = m22 = (w + dx) / w dx = -(bbox[0] * m11 - bbox[0]) dy = -(bbox[3] * m22 - bbox[3]) snap[0] = self.snap.active_snap[0] else: point = middle_points[3] trafo = [m11, m21, m12, m22, dx, dy] p = libgeom.apply_trafo_to_point(point, trafo) f, p, p_doc = self.snap.snap_point(p, False, snap_x=False) if f: dy = point[1] - p_doc[1] m11 = m22 = (h + dy) / h dx = -(bbox[0] * m11 - bbox[0]) dy = -(bbox[3] * m22 - bbox[3]) snap[1] = self.snap.active_snap[1] self.snap.active_snap = snap #---- snapping if mark == 11: change_x = end_point[0] - start_point[0] m12 = change_x / h dx = -bbox[1] * m12 if mark == 16: change_x = start_point[0] - end_point[0] m12 = change_x / h dx = -bbox[3] * m12 if mark == 13: change_y = start_point[1] - end_point[1] m21 = change_y / w dy = -bbox[2] * m21 if mark == 14: change_y = end_point[1] - start_point[1] m21 = change_y / w dy = -bbox[0] * m21 if mark in (10, 12, 15, 17): x0, y0 = bbox[:2] shift_x, shift_y = self.selection.center_offset center_x = x0 + w / 2.0 + shift_x center_y = y0 + h / 2.0 + shift_y a1 = math.atan2(start_point[1] - center_y, start_point[0] - center_x) a2 = math.atan2(end_point[1] - center_y, end_point[0] - center_x) angle = a2 - a1 if control: step = config.rotation_step * math.pi / 180.0 angle = round(angle / step) * step m21 = math.sin(angle) m11 = m22 = math.cos(angle) m12 = -m21 dx = center_x - m11 * center_x + m21 * center_y; dy = center_y - m21 * center_x - m11 * center_y; if not m11: m11 = .0000000001 if not m22: m22 = .0000000001 return [m11, m21, m12, m22, dx, dy]
def _calc_trafo(self, event):
control = event.is_ctrl()
shift = event.is_shift()
mark = self.canvas.resize_marker
start_point = self.canvas.win_to_doc(self.start)
end_point = self.canvas.win_to_doc(self.end)
bbox = self.presenter.selection.bbox
middle_points = libgeom.bbox_middle_points(bbox)
w = bbox[2] - bbox[0]
h = bbox[3] - bbox[1]
m11 = m22 = 1.0
m12 = m21 = 0.0
dx = dy = 0.0
snap = [None, None]
if mark == 0:
dx = start_point[0] - end_point[0]
dy = end_point[1] - start_point[1]
if shift:
if control:
m11 = (w + 2.0 * dx) / w
m22 = (h + 2.0 * dy) / h
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = point[0] - p_doc[0]
m11 = (w + 2.0 * dx) / w
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
snap[0] = self.snap.active_snap[0]
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_x=False)
if f:
dy = p_doc[1] - point[1]
m22 = (h + 2.0 * dy) / h
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if abs(dx) < abs(dy):
m11 = m22 = (w + 2.0 * dx) / w
else:
m11 = m22 = (h + 2.0 * dy) / h
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = point[0] - p_doc[0]
m11 = m22 = (w + 2.0 * dx) / w
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
snap[0] = self.snap.active_snap[0]
else:
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p,
False,
snap_x=False)
if f:
dy = p_doc[1] - point[1]
m11 = m22 = (h + 2.0 * dy) / h
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 -
1.0) / 2.0
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 -
1.0) / 2.0
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if control:
m11 = (w + dx) / w
m22 = (h + dy) / h
dx = -(bbox[2] * m11 - bbox[2])
dy = -(bbox[1] * m22 - bbox[1])
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = point[0] - p_doc[0]
m11 = (w + dx) / w
dx = -(bbox[2] * m11 - bbox[2])
snap[0] = self.snap.active_snap[0]
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_x=False)
if f:
dy = p_doc[1] - point[1]
m22 = (h + dy) / h
dy = -(bbox[1] * m22 - bbox[1])
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if abs(dx) < abs(dy):
m11 = m22 = (w + dx) / w
else:
m11 = m22 = (h + dy) / h
dx = -(bbox[2] * m11 - bbox[2])
dy = -(bbox[1] * m22 - bbox[1])
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = point[0] - p_doc[0]
m11 = m22 = (w + dx) / w
dx = -(bbox[2] * m11 - bbox[2])
dy = -(bbox[1] * m22 - bbox[1])
snap[0] = self.snap.active_snap[0]
else:
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p,
False,
snap_x=False)
if f:
dy = p_doc[1] - point[1]
m11 = m22 = (h + dy) / h
dx = -(bbox[2] * m11 - bbox[2])
dy = -(bbox[1] * m22 - bbox[1])
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
if mark == 1:
dy = end_point[1] - start_point[1]
if shift:
m22 = (h + 2.0 * dy) / h
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False)
dy = p_doc[1] - point[1]
m22 = (h + 2.0 * dy) / h
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
# ---- snapping
else:
m22 = (h + dy) / h
dy = -(bbox[1] * m22 - bbox[1])
# ---- snapping
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False)
dy = p_doc[1] - point[1]
m22 = (h + dy) / h
dy = -(bbox[1] * m22 - bbox[1])
# ---- snapping
if mark == 2:
dx = end_point[0] - start_point[0]
dy = end_point[1] - start_point[1]
if shift:
if control:
m11 = (w + 2.0 * dx) / w
m22 = (h + 2.0 * dy) / h
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = p_doc[0] - point[0]
m11 = (w + 2.0 * dx) / w
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
snap[0] = self.snap.active_snap[0]
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_x=False)
if f:
dy = p_doc[1] - point[1]
m22 = (h + 2.0 * dy) / h
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if abs(dx) < abs(dy):
m11 = m22 = (w + 2.0 * dx) / w
else:
m11 = m22 = (h + 2.0 * dy) / h
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = p_doc[0] - point[0]
m11 = m22 = (w + 2.0 * dx) / w
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 - 1.0) / 2.0
snap[0] = self.snap.active_snap[0]
else:
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p,
False,
snap_x=False)
if f:
dy = p_doc[1] - point[1]
m11 = m22 = (h + 2.0 * dy) / h
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 -
1.0) / 2.0
dy = -(bbox[1] * m22 - bbox[1]) - h * (m22 -
1.0) / 2.0
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if control:
m11 = (w + dx) / w
m22 = (h + dy) / h
dx = -(bbox[0] * m11 - bbox[0])
dy = -(bbox[1] * m22 - bbox[1])
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = p_doc[0] - point[0]
m11 = (w + dx) / w
dx = -(bbox[0] * m11 - bbox[0])
snap[0] = self.snap.active_snap[0]
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_x=False)
if f:
dy = p_doc[1] - point[1]
m22 = (h + dy) / h
dy = -(bbox[1] * m22 - bbox[1])
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if abs(dx) < abs(dy):
m11 = m22 = (w + dx) / w
else:
m11 = m22 = (h + dy) / h
dx = -(bbox[0] * m11 - bbox[0])
dy = -(bbox[1] * m22 - bbox[1])
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = p_doc[0] - point[0]
m11 = m22 = (w + dx) / w
dx = -(bbox[0] * m11 - bbox[0])
dy = -(bbox[1] * m22 - bbox[1])
snap[0] = self.snap.active_snap[0]
else:
point = middle_points[1]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p,
False,
snap_x=False)
if f:
dy = p_doc[1] - point[1]
m11 = m22 = (h + dy) / h
dx = -(bbox[0] * m11 - bbox[0])
dy = -(bbox[1] * m22 - bbox[1])
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
if mark == 3:
dx = start_point[0] - end_point[0]
if shift:
m11 = (w + 2.0 * dx) / w
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False)
dx = point[0] - p_doc[0]
m11 = (w + 2.0 * dx) / w
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
# ---- snapping
else:
m11 = (w + dx) / w
dx = -(bbox[2] * m11 - bbox[2])
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False)
dx = point[0] - p_doc[0]
m11 = (w + dx) / w
dx = -(bbox[2] * m11 - bbox[2])
# ---- snapping
if mark == 5:
dx = end_point[0] - start_point[0]
if shift:
m11 = (w + 2.0 * dx) / w
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False)
dx = p_doc[0] - point[0]
m11 = (w + 2.0 * dx) / w
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
# ---- snapping
else:
m11 = (w + dx) / w
dx = -(bbox[0] * m11 - bbox[0])
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False)
dx = p_doc[0] - point[0]
m11 = (w + dx) / w
dx = -(bbox[0] * m11 - bbox[0])
# ---- snapping
if mark == 6:
dx = start_point[0] - end_point[0]
dy = start_point[1] - end_point[1]
if shift:
if control:
m11 = (w + 2.0 * dx) / w
m22 = (h + 2.0 * dy) / h
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = point[0] - p_doc[0]
m11 = (w + 2.0 * dx) / w
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
snap[0] = self.snap.active_snap[0]
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_x=False)
if f:
dy = point[1] - p_doc[1]
m22 = (h + 2.0 * dy) / h
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if abs(dx) < abs(dy):
m11 = m22 = (w + 2.0 * dx) / w
else:
m11 = m22 = (h + 2.0 * dy) / h
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = point[0] - p_doc[0]
m11 = m22 = (w + 2.0 * dx) / w
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 - 1.0) / 2.0
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
snap[0] = self.snap.active_snap[0]
else:
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p,
False,
snap_x=False)
if f:
dy = point[1] - p_doc[1]
m11 = m22 = (h + 2.0 * dy) / h
dx = -(bbox[2] * m11 - bbox[2]) + w * (m11 -
1.0) / 2.0
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 -
1.0) / 2.0
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if control:
m11 = (w + dx) / w
m22 = (h + dy) / h
dx = -(bbox[2] * m11 - bbox[2])
dy = -(bbox[3] * m22 - bbox[3])
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = point[0] - p_doc[0]
m11 = (w + dx) / w
dx = -(bbox[2] * m11 - bbox[2])
snap[0] = self.snap.active_snap[0]
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_x=False)
if f:
dy = point[1] - p_doc[1]
m22 = (h + dy) / h
dy = -(bbox[3] * m22 - bbox[3])
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if abs(dx) < abs(dy):
m11 = m22 = (w + dx) / w
else:
m11 = m22 = (h + dy) / h
dx = -(bbox[2] * m11 - bbox[2])
dy = -(bbox[3] * m22 - bbox[3])
# ---- snapping
point = middle_points[0]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = point[0] - p_doc[0]
m11 = m22 = (w + dx) / w
dx = -(bbox[2] * m11 - bbox[2])
dy = -(bbox[3] * m22 - bbox[3])
snap[0] = self.snap.active_snap[0]
else:
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p,
False,
snap_x=False)
if f:
dy = point[1] - p_doc[1]
m11 = m22 = (h + dy) / h
dx = -(bbox[2] * m11 - bbox[2])
dy = -(bbox[3] * m22 - bbox[3])
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
if mark == 7:
dy = start_point[1] - end_point[1]
if shift:
m22 = (h + 2.0 * dy) / h
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False)
dy = point[1] - p_doc[1]
m22 = (h + 2.0 * dy) / h
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
# ---- snapping
else:
m22 = (h + dy) / h
dy = -(bbox[3] * m22 - bbox[3])
# ---- snapping
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False)
dy = point[1] - p_doc[1]
m22 = (h + dy) / h
dy = -(bbox[3] * m22 - bbox[3])
# ---- snapping
if mark == 8:
dx = end_point[0] - start_point[0]
dy = start_point[1] - end_point[1]
if shift:
if control:
m11 = (w + 2.0 * dx) / w
m22 = (h + 2.0 * dy) / h
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = p_doc[0] - point[0]
m11 = (w + 2.0 * dx) / w
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
snap[0] = self.snap.active_snap[0]
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_x=False)
if f:
dy = point[1] - p_doc[1]
m22 = (h + 2.0 * dy) / h
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if abs(dx) < abs(dy):
m11 = m22 = (w + 2.0 * dx) / w
else:
m11 = m22 = (h + 2.0 * dy) / h
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = p_doc[0] - point[0]
m11 = m22 = (w + 2.0 * dx) / w
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 - 1.0) / 2.0
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 - 1.0) / 2.0
snap[0] = self.snap.active_snap[0]
else:
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p,
False,
snap_x=False)
if f:
dy = point[1] - p_doc[1]
m11 = m22 = (h + 2.0 * dy) / h
dx = -(bbox[0] * m11 - bbox[0]) - w * (m11 -
1.0) / 2.0
dy = -(bbox[3] * m22 - bbox[3]) + h * (m22 -
1.0) / 2.0
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if control:
m11 = (w + dx) / w
m22 = (h + dy) / h
dx = -(bbox[0] * m11 - bbox[0])
dy = -(bbox[3] * m22 - bbox[3])
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = p_doc[0] - point[0]
m11 = (w + dx) / w
dx = -(bbox[0] * m11 - bbox[0])
snap[0] = self.snap.active_snap[0]
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_x=False)
if f:
dy = point[1] - p_doc[1]
m22 = (h + dy) / h
dy = -(bbox[3] * m22 - bbox[3])
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
else:
if abs(dx) < abs(dy):
m11 = m22 = (w + dx) / w
else:
m11 = m22 = (h + dy) / h
dx = -(bbox[0] * m11 - bbox[0])
dy = -(bbox[3] * m22 - bbox[3])
# ---- snapping
point = middle_points[2]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p, False, snap_y=False)
if f:
dx = p_doc[0] - point[0]
m11 = m22 = (w + dx) / w
dx = -(bbox[0] * m11 - bbox[0])
dy = -(bbox[3] * m22 - bbox[3])
snap[0] = self.snap.active_snap[0]
else:
point = middle_points[3]
trafo = [m11, m21, m12, m22, dx, dy]
p = libgeom.apply_trafo_to_point(point, trafo)
f, p, p_doc = self.snap.snap_point(p,
False,
snap_x=False)
if f:
dy = point[1] - p_doc[1]
m11 = m22 = (h + dy) / h
dx = -(bbox[0] * m11 - bbox[0])
dy = -(bbox[3] * m22 - bbox[3])
snap[1] = self.snap.active_snap[1]
self.snap.active_snap = snap
# ---- snapping
if mark == 11:
change_x = end_point[0] - start_point[0]
m12 = change_x / h
dx = -bbox[1] * m12
if mark == 16:
change_x = start_point[0] - end_point[0]
m12 = change_x / h
dx = -bbox[3] * m12
if mark == 13:
change_y = start_point[1] - end_point[1]
m21 = change_y / w
dy = -bbox[2] * m21
if mark == 14:
change_y = end_point[1] - start_point[1]
m21 = change_y / w
dy = -bbox[0] * m21
if mark in (10, 12, 15, 17):
x0, y0 = bbox[:2]
shift_x, shift_y = self.selection.center_offset
center_x = x0 + w / 2.0 + shift_x
center_y = y0 + h / 2.0 + shift_y
a1 = math.atan2(start_point[1] - center_y,
start_point[0] - center_x)
a2 = math.atan2(end_point[1] - center_y, end_point[0] - center_x)
angle = a2 - a1
if control:
step = config.rotation_step * math.pi / 180.0
angle = round(angle / step) * step
m21 = math.sin(angle)
m11 = m22 = math.cos(angle)
m12 = -m21
dx = center_x - m11 * center_x + m21 * center_y
dy = center_y - m21 * center_x - m11 * center_y
m11 = m11 or .000001
m22 = m22 or .000001
return [m11, m21, m12, m22, dx, dy]
def process_fill(self, ctx, obj):
fill = obj.style[0]
fill_rule = fill[0]
if fill_rule & sk2const.FILL_CLOSED_ONLY and not obj.is_closed():
ctx.set_source_rgba(0.0, 0.0, 0.0, 0.0)
return
if fill_rule & sk2const.FILL_EVENODD:
ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD)
else:
ctx.set_fill_rule(cairo.FILL_RULE_WINDING)
if fill[1] == sk2const.FILL_SOLID:
if obj.fill_trafo:
obj.fill_trafo = []
color = fill[2]
ctx.set_source_rgba(*self.get_color(color))
elif fill[1] == sk2const.FILL_GRADIENT:
if not obj.fill_trafo:
obj.fill_trafo = [] + sk2const.NORMAL_TRAFO
gradient = fill[2]
points = gradient[1]
if not points:
obj.fill_trafo = [] + sk2const.NORMAL_TRAFO
points = libgeom.bbox_middle_points(obj.cache_bbox)
if gradient[0] == sk2const.GRADIENT_LINEAR:
points = [points[0], points[2]]
else:
points = [[points[1][0], points[2][1]], points[2]]
gradient[1] = points
coords = points[0] + points[1]
if gradient[0] == sk2const.GRADIENT_LINEAR:
grd = cairo.LinearGradient(*coords)
else:
x0, y0 = coords[:2]
radius = libgeom.distance(*points)
grd = cairo.RadialGradient(x0, y0, 0, x0, y0, radius)
for stop in gradient[2]:
grd.add_color_stop_rgba(stop[0], *self.get_color(stop[1]))
matrix = cairo.Matrix(*obj.fill_trafo)
matrix.invert()
extend = cairo.EXTEND_PAD
if len(gradient) > 3:
extend = EXTEND[gradient[3]]
grd.set_extend(extend)
grd.set_matrix(matrix)
ctx.set_source(grd)
elif fill[1] == sk2const.FILL_PATTERN:
if not obj.fill_trafo:
obj.fill_trafo = [] + sk2const.NORMAL_TRAFO
obj.fill_trafo = obj.fill_trafo[:4] + [
obj.cache_bbox[0], obj.cache_bbox[3]
]
pattern_fill = fill[2]
sp = cairo.SurfacePattern(self.get_pattern_surface(obj))
sp.set_extend(cairo.EXTEND_REPEAT)
flip_matrix = cairo.Matrix(1.0, 0.0, 0.0, 1.0, 0.0, 0.0)
if len(pattern_fill) > 3:
pattern_matrix = cairo.Matrix(*pattern_fill[3])
pattern_matrix.invert()
flip_matrix = flip_matrix * pattern_matrix
trafo_matrix = cairo.Matrix(*obj.fill_trafo)
trafo_matrix.invert()
flip_matrix = flip_matrix * trafo_matrix
sp.set_matrix(flip_matrix)
ctx.set_source(sp)
canvas_matrix = ctx.get_matrix()
canvas_trafo = libcairo.get_trafo_from_matrix(canvas_matrix)
zoom = canvas_trafo[0]
if zoom * abs(obj.fill_trafo[0]) > .98:
ctx.get_source().set_filter(cairo.FILTER_NEAREST)
def process_fill(self, ctx, obj): fill = obj.style[0] fill_rule = fill[0] if fill_rule & sk2_const.FILL_CLOSED_ONLY and not obj.is_closed(): ctx.set_source_rgba(0.0, 0.0, 0.0, 0.0) return if fill_rule & sk2_const.FILL_EVENODD: ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD) else: ctx.set_fill_rule(cairo.FILL_RULE_WINDING) if fill[1] == sk2_const.FILL_SOLID: if obj.fill_trafo: obj.fill_trafo = [] color = fill[2] ctx.set_source_rgba(*self.get_color(color)) elif fill[1] == sk2_const.FILL_GRADIENT: if not obj.fill_trafo: obj.fill_trafo = [] + sk2_const.NORMAL_TRAFO gradient = fill[2] points = gradient[1] if not points: obj.fill_trafo = [] + sk2_const.NORMAL_TRAFO points = libgeom.bbox_middle_points(obj.cache_bbox) if gradient[0] == sk2_const.GRADIENT_LINEAR: points = [points[0], points[2]] else: points = [[points[1][0], points[2][1]], points[2]] gradient[1] = points coords = points[0] + points[1] if gradient[0] == sk2_const.GRADIENT_LINEAR: grd = cairo.LinearGradient(*coords) else: x0, y0 = coords[:2] radius = libgeom.distance(*points) grd = cairo.RadialGradient(x0, y0, 0, x0, y0, radius) for stop in gradient[2]: grd.add_color_stop_rgba(stop[0], *self.get_color(stop[1])) matrix = cairo.Matrix(*obj.fill_trafo) matrix.invert() grd.set_matrix(matrix) ctx.set_source(grd) elif fill[1] == sk2_const.FILL_PATTERN: if not obj.fill_trafo: obj.fill_trafo = [] + sk2_const.NORMAL_TRAFO obj.fill_trafo = obj.fill_trafo[:4] + \ [obj.cache_bbox[0], obj.cache_bbox[3]] pattern_fill = fill[2] if not obj.cache_pattern_img: bmpstr = b64decode(pattern_fill[1]) image_obj = model.Pixmap(obj.config) libimg.set_image_data(self.cms, image_obj, bmpstr) libimg.flip_top_to_bottom(image_obj) if pattern_fill[0] == sk2_const.PATTERN_IMG and \ len(pattern_fill) > 2: image_obj.style[3] = deepcopy(pattern_fill[2]) libimg.update_image(self.cms, image_obj) obj.cache_pattern_img = image_obj.cache_cdata image_obj.cache_cdata = None sp = cairo.SurfacePattern(obj.cache_pattern_img) sp.set_extend(cairo.EXTEND_REPEAT) flip_matrix = cairo.Matrix(1.0, 0.0, 0.0, 1.0, 0.0, 0.0) if len(pattern_fill) > 3: pattern_matrix = cairo.Matrix(*pattern_fill[3]) pattern_matrix.invert() flip_matrix = flip_matrix * pattern_matrix trafo_matrix = cairo.Matrix(*obj.fill_trafo) trafo_matrix.invert() flip_matrix = flip_matrix * trafo_matrix sp.set_matrix(flip_matrix) ctx.set_source(sp) canvas_matrix = ctx.get_matrix() canvas_trafo = libcairo.get_trafo_from_matrix(canvas_matrix) zoom = canvas_trafo[0] if zoom * abs(obj.fill_trafo[0]) > .98: ctx.get_source().set_filter(cairo.FILTER_NEAREST)
def process_fill(self, ctx, obj):
fill = obj.style[0]
fill_rule = fill[0]
if fill_rule & sk2_const.FILL_CLOSED_ONLY and not obj.is_closed():
ctx.set_source_rgba(0.0, 0.0, 0.0, 0.0)
return
if fill_rule & sk2_const.FILL_EVENODD:
ctx.set_fill_rule(cairo.FILL_RULE_EVEN_ODD)
else:
ctx.set_fill_rule(cairo.FILL_RULE_WINDING)
if fill[1] == sk2_const.FILL_SOLID:
if obj.fill_trafo: obj.fill_trafo = []
color = fill[2]
ctx.set_source_rgba(*self.get_color(color))
elif fill[1] == sk2_const.FILL_GRADIENT:
if not obj.fill_trafo:
obj.fill_trafo = [] + sk2_const.NORMAL_TRAFO
gradient = fill[2]
points = gradient[1]
if not points:
obj.fill_trafo = [] + sk2_const.NORMAL_TRAFO
points = libgeom.bbox_middle_points(obj.cache_bbox)
if gradient[0] == sk2_const.GRADIENT_LINEAR:
points = [points[0], points[2]]
else:
points = [[points[1][0], points[2][1]], points[2]]
gradient[1] = points
coords = points[0] + points[1]
if gradient[0] == sk2_const.GRADIENT_LINEAR:
grd = cairo.LinearGradient(*coords)
else:
x0, y0 = coords[:2]
radius = libgeom.distance(*points)
grd = cairo.RadialGradient(x0, y0, 0, x0, y0, radius)
for stop in gradient[2]:
grd.add_color_stop_rgba(stop[0], *self.get_color(stop[1]))
matrix = cairo.Matrix(*obj.fill_trafo)
matrix.invert()
grd.set_matrix(matrix)
ctx.set_source(grd)
elif fill[1] == sk2_const.FILL_PATTERN:
if not obj.fill_trafo:
obj.fill_trafo = [] + sk2_const.NORMAL_TRAFO
obj.fill_trafo = obj.fill_trafo[:4] + \
[obj.cache_bbox[0], obj.cache_bbox[3]]
pattern_fill = fill[2]
if not obj.cache_pattern_img:
bmpstr = b64decode(pattern_fill[1])
image_obj = model.Pixmap(obj.config)
libimg.set_image_data(self.cms, image_obj, bmpstr)
libimg.flip_top_to_bottom(image_obj)
if pattern_fill[0] == sk2_const.PATTERN_IMG and \
len(pattern_fill) > 2:
image_obj.style[3] = deepcopy(pattern_fill[2])
libimg.update_image(self.cms, image_obj)
obj.cache_pattern_img = image_obj.cache_cdata
image_obj.cache_cdata = None
sp = cairo.SurfacePattern(obj.cache_pattern_img)
sp.set_extend(cairo.EXTEND_REPEAT)
flip_matrix = cairo.Matrix(1.0, 0.0, 0.0, 1.0, 0.0, 0.0)
if len(pattern_fill) > 3:
pattern_matrix = cairo.Matrix(*pattern_fill[3])
pattern_matrix.invert()
flip_matrix = flip_matrix * pattern_matrix
trafo_matrix = cairo.Matrix(*obj.fill_trafo)
trafo_matrix.invert()
flip_matrix = flip_matrix * trafo_matrix
sp.set_matrix(flip_matrix)
ctx.set_source(sp)
canvas_matrix = ctx.get_matrix()
canvas_trafo = libcairo.get_trafo_from_matrix(canvas_matrix)
zoom = canvas_trafo[0]
if zoom * abs(obj.fill_trafo[0]) > .98:
ctx.get_source().set_filter(cairo.FILTER_NEAREST)