/usr/share/pyshared/openpyxl/drawing.py is in python-openpyxl 1.5.6-1.
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#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# @license: http://www.opensource.org/licenses/mit-license.php
# @author: see AUTHORS file
import math
from openpyxl.style import Color
from openpyxl.shared.units import pixels_to_EMU, EMU_to_pixels, short_color
class Shadow(object):
SHADOW_BOTTOM = 'b'
SHADOW_BOTTOM_LEFT = 'bl'
SHADOW_BOTTOM_RIGHT = 'br'
SHADOW_CENTER = 'ctr'
SHADOW_LEFT = 'l'
SHADOW_TOP = 't'
SHADOW_TOP_LEFT = 'tl'
SHADOW_TOP_RIGHT = 'tr'
def __init__(self):
self.visible = False
self.blurRadius = 6
self.distance = 2
self.direction = 0
self.alignment = self.SHADOW_BOTTOM_RIGHT
self.color = Color(Color.BLACK)
self.alpha = 50
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 = EMU_to_pixels(200000)
self._height = EMU_to_pixels(1828800)
self.resize_proportional = False
self.rotation = 0
# self.shadow = Shadow()
def _set_width(self, w):
if self.resize_proportional and w:
ratio = self._height / self._width
self._height = round(ratio * w)
self._width = w
def _get_width(self):
return self._width
width = property(_get_width, _set_width)
def _set_height(self, h):
if self.resize_proportional and h:
ratio = self._width / self._height
self._width = round(ratio * h)
self._height = h
def _get_height(self):
return self._height
height = property(_get_height, _set_height)
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 = width
else:
self._width = math.ceil(yratio * self._width)
self._height = height
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))
class Shape(object):
""" a drawing inside a chart
coordiantes are specified by the user in the axis units
"""
MARGIN_LEFT = 6 + 13 + 1
MARGIN_BOTTOM = 17 + 11
FONT_WIDTH = 7
FONT_HEIGHT = 8
ROUND_RECT = 'roundRect'
RECT = 'rect'
# other shapes to define :
'''
"line"
"lineInv"
"triangle"
"rtTriangle"
"diamond"
"parallelogram"
"trapezoid"
"nonIsoscelesTrapezoid"
"pentagon"
"hexagon"
"heptagon"
"octagon"
"decagon"
"dodecagon"
"star4"
"star5"
"star6"
"star7"
"star8"
"star10"
"star12"
"star16"
"star24"
"star32"
"roundRect"
"round1Rect"
"round2SameRect"
"round2DiagRect"
"snipRoundRect"
"snip1Rect"
"snip2SameRect"
"snip2DiagRect"
"plaque"
"ellipse"
"teardrop"
"homePlate"
"chevron"
"pieWedge"
"pie"
"blockArc"
"donut"
"noSmoking"
"rightArrow"
"leftArrow"
"upArrow"
"downArrow"
"stripedRightArrow"
"notchedRightArrow"
"bentUpArrow"
"leftRightArrow"
"upDownArrow"
"leftUpArrow"
"leftRightUpArrow"
"quadArrow"
"leftArrowCallout"
"rightArrowCallout"
"upArrowCallout"
"downArrowCallout"
"leftRightArrowCallout"
"upDownArrowCallout"
"quadArrowCallout"
"bentArrow"
"uturnArrow"
"circularArrow"
"leftCircularArrow"
"leftRightCircularArrow"
"curvedRightArrow"
"curvedLeftArrow"
"curvedUpArrow"
"curvedDownArrow"
"swooshArrow"
"cube"
"can"
"lightningBolt"
"heart"
"sun"
"moon"
"smileyFace"
"irregularSeal1"
"irregularSeal2"
"foldedCorner"
"bevel"
"frame"
"halfFrame"
"corner"
"diagStripe"
"chord"
"arc"
"leftBracket"
"rightBracket"
"leftBrace"
"rightBrace"
"bracketPair"
"bracePair"
"straightConnector1"
"bentConnector2"
"bentConnector3"
"bentConnector4"
"bentConnector5"
"curvedConnector2"
"curvedConnector3"
"curvedConnector4"
"curvedConnector5"
"callout1"
"callout2"
"callout3"
"accentCallout1"
"accentCallout2"
"accentCallout3"
"borderCallout1"
"borderCallout2"
"borderCallout3"
"accentBorderCallout1"
"accentBorderCallout2"
"accentBorderCallout3"
"wedgeRectCallout"
"wedgeRoundRectCallout"
"wedgeEllipseCallout"
"cloudCallout"
"cloud"
"ribbon"
"ribbon2"
"ellipseRibbon"
"ellipseRibbon2"
"leftRightRibbon"
"verticalScroll"
"horizontalScroll"
"wave"
"doubleWave"
"plus"
"flowChartProcess"
"flowChartDecision"
"flowChartInputOutput"
"flowChartPredefinedProcess"
"flowChartInternalStorage"
"flowChartDocument"
"flowChartMultidocument"
"flowChartTerminator"
"flowChartPreparation"
"flowChartManualInput"
"flowChartManualOperation"
"flowChartConnector"
"flowChartPunchedCard"
"flowChartPunchedTape"
"flowChartSummingJunction"
"flowChartOr"
"flowChartCollate"
"flowChartSort"
"flowChartExtract"
"flowChartMerge"
"flowChartOfflineStorage"
"flowChartOnlineStorage"
"flowChartMagneticTape"
"flowChartMagneticDisk"
"flowChartMagneticDrum"
"flowChartDisplay"
"flowChartDelay"
"flowChartAlternateProcess"
"flowChartOffpageConnector"
"actionButtonBlank"
"actionButtonHome"
"actionButtonHelp"
"actionButtonInformation"
"actionButtonForwardNext"
"actionButtonBackPrevious"
"actionButtonEnd"
"actionButtonBeginning"
"actionButtonReturn"
"actionButtonDocument"
"actionButtonSound"
"actionButtonMovie"
"gear6"
"gear9"
"funnel"
"mathPlus"
"mathMinus"
"mathMultiply"
"mathDivide"
"mathEqual"
"mathNotEqual"
"cornerTabs"
"squareTabs"
"plaqueTabs"
"chartX"
"chartStar"
"chartPlus"
'''
def __init__(self, coordinates=((0, 0), (1, 1)), text=None, scheme="accent1"):
self.coordinates = coordinates # in axis unit
self.text = text
self.scheme = scheme
self.style = Shape.RECT
self._border_width = 3175 # in EMU
self._border_color = Color.BLACK[2:] #"F3B3C5"
self._color = Color.WHITE[2:]
self._text_color = Color.BLACK[2:]
def _get_border_color(self):
return self._border_color
def _set_border_color(self, color):
self._border_color = short_color(color)
border_color = property(_get_border_color, _set_border_color)
def _get_color(self):
return self._color
def _set_color(self, color):
self._color = short_color(color)
color = property(_get_color, _set_color)
def _get_text_color(self):
return self._text_color
def _set_text_color(self, color):
self._text_color = short_color(color)
text_color = property(_get_text_color, _set_text_color)
def _get_border_width(self):
return EMU_to_pixels(self._border_width)
def _set_border_width(self, w):
self._border_width = pixels_to_EMU(w)
print self._border_width
border_width = property(_get_border_width, _set_border_width)
def get_coordinates(self):
""" return shape coordinates in percentages (left, top, right, bottom) """
(x1, y1), (x2, y2) = self.coordinates
drawing_width = pixels_to_EMU(self._chart.drawing.width)
drawing_height = pixels_to_EMU(self._chart.drawing.height)
plot_width = drawing_width * self._chart.width
plot_height = drawing_height * self._chart.height
margin_left = self._chart._get_margin_left() * drawing_width
xunit = plot_width / self._chart.get_x_units()
margin_top = self._chart._get_margin_top() * drawing_height
yunit = self._chart.get_y_units()
x_start = (margin_left + (float(x1) * xunit)) / drawing_width
y_start = (margin_top + plot_height - (float(y1) * yunit)) / drawing_height
x_end = (margin_left + (float(x2) * xunit)) / drawing_width
y_end = (margin_top + plot_height - (float(y2) * yunit)) / drawing_height
def _norm_pct(pct):
""" force shapes to appear by truncating too large sizes """
if pct > 1: pct = 1
elif pct < 0: pct = 0
return pct
# allow user to specify y's in whatever order
# excel expect y_end to be lower
if y_end < y_start:
y_end, y_start = y_start, y_end
return (_norm_pct(x_start), _norm_pct(y_start),
_norm_pct(x_end), _norm_pct(y_end))
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