You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
102 lines
2.7 KiB
102 lines
2.7 KiB
from __future__ import division
|
|
# Copyright (c) 2010-2022 openpyxl
|
|
|
|
import math
|
|
|
|
from openpyxl.compat import deprecated
|
|
|
|
from openpyxl.styles.colors import Color, BLACK, WHITE
|
|
from openpyxl.utils.units import (
|
|
pixels_to_EMU,
|
|
EMU_to_pixels,
|
|
short_color,
|
|
)
|
|
|
|
|
|
class Drawing(object):
|
|
""" a drawing object - eg container for shapes or charts
|
|
we assume user specifies dimensions in pixels; units are
|
|
converted to EMU in the drawing part
|
|
"""
|
|
|
|
count = 0
|
|
|
|
def __init__(self):
|
|
|
|
self.name = ''
|
|
self.description = ''
|
|
self.coordinates = ((1, 2), (16, 8))
|
|
self.left = 0
|
|
self.top = 0
|
|
self._width = 21 # default in px
|
|
self._height = 192 #default in px
|
|
self.resize_proportional = False
|
|
self.rotation = 0
|
|
self.anchortype = "absolute"
|
|
self.anchorcol = 0 # left cell
|
|
self.anchorrow = 0 # top row
|
|
|
|
|
|
@property
|
|
def width(self):
|
|
return self._width
|
|
|
|
@width.setter
|
|
def width(self, w):
|
|
if self.resize_proportional and w:
|
|
ratio = self._height / self._width
|
|
self._height = round(ratio * w)
|
|
self._width = w
|
|
|
|
@property
|
|
def height(self):
|
|
return self._height
|
|
|
|
@height.setter
|
|
def height(self, h):
|
|
if self.resize_proportional and h:
|
|
ratio = self._width / self._height
|
|
self._width = round(ratio * h)
|
|
self._height = h
|
|
|
|
def set_dimension(self, w=0, h=0):
|
|
|
|
xratio = w / self._width
|
|
yratio = h / self._height
|
|
|
|
if self.resize_proportional and w and h:
|
|
if (xratio * self._height) < h:
|
|
self._height = math.ceil(xratio * self._height)
|
|
self._width = w
|
|
else:
|
|
self._width = math.ceil(yratio * self._width)
|
|
self._height = h
|
|
|
|
@deprecated("Private method used when serialising")
|
|
def get_emu_dimensions(self):
|
|
""" return (x, y, w, h) in EMU """
|
|
|
|
return (pixels_to_EMU(self.left), pixels_to_EMU(self.top),
|
|
pixels_to_EMU(self._width), pixels_to_EMU(self._height))
|
|
|
|
|
|
@property
|
|
def anchor(self):
|
|
from .spreadsheet_drawing import (
|
|
OneCellAnchor,
|
|
TwoCellAnchor,
|
|
AbsoluteAnchor)
|
|
if self.anchortype == "absolute":
|
|
anchor = AbsoluteAnchor()
|
|
anchor.pos.x = pixels_to_EMU(self.left)
|
|
anchor.pos.y = pixels_to_EMU(self.top)
|
|
|
|
elif self.anchortype == "oneCell":
|
|
anchor = OneCellAnchor()
|
|
anchor._from.col = self.anchorcol
|
|
anchor._from.row = self.anchorrow
|
|
|
|
anchor.ext.width = pixels_to_EMU(self._width)
|
|
anchor.ext.height = pixels_to_EMU(self._height)
|
|
|
|
return anchor
|
|
|