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# Project: MapServer
# Purpose: xUnit style Python mapscript tests of map cloning
# Author: Sean Gillies, sgillies@frii.com
#
# ===========================================================================
# Copyright (c) 2004, Sean Gillies
#
# 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.
# ===========================================================================
import unittest
import urllib
from io import BytesIO
import mapscript
from .testing import TEST_IMAGE as test_image
from .testing import MapTestCase
have_image = False
try:
from PIL import Image
have_image = True
except ImportError:
pass
class ImageObjTestCase(unittest.TestCase):
def testConstructor(self):
"""imageObj constructor works"""
imgobj = mapscript.imageObj(10, 10)
assert imgobj.thisown == 1
assert imgobj.height == 10
assert imgobj.width == 10
def testConstructorWithFormat(self):
"""imageObj with an optional driver works"""
driver = "AGG/PNG"
format = mapscript.outputFormatObj(driver)
imgobj = mapscript.imageObj(10, 10, format)
assert imgobj.thisown == 1
assert imgobj.format.driver == driver
assert imgobj.height == 10
assert imgobj.width == 10
def xtestConstructorFilename(self):
"""imageObj with a filename works"""
imgobj = mapscript.imageObj(test_image)
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
imgobj.save("testConstructorFilename.png")
def xtestConstructorFilenameDriver(self):
"""imageObj with a filename and a driver works"""
imgobj = mapscript.imageObj(test_image)
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
imgobj.save("testConstructorFilenameDriver.png")
def xtestConstructorStream(self):
"""imageObj with a file stream works"""
f = open(test_image, "rb")
imgobj = mapscript.imageObj(f)
f.close()
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
def xtestConstructorBytesIO(self):
"""imageObj with a BytesIO works"""
with open(test_image, "rb") as f:
data = f.read()
s = BytesIO(data)
imgobj = mapscript.imageObj(s)
assert imgobj.thisown == 1
assert imgobj.height == 200
assert imgobj.width == 200
def xtestConstructorUrlStream(self):
"""imageObj with a URL stream works"""
url = urllib.urlopen("http://mapserver.org/_static/banner.png")
imgobj = mapscript.imageObj(url, "AGG/JPEG")
assert imgobj.thisown == 1
assert imgobj.height == 68
assert imgobj.width == 439
imgobj.save("testConstructorUrlStream.jpg")
class ImageWriteTestCase(MapTestCase):
def testImageWrite(self):
"""image writes data to an open filehandle"""
image = self.map.draw()
assert image.thisown == 1
filename = "testImageWrite.png"
fh = open(filename, "wb")
image.write(fh)
fh.close()
if have_image:
pyimg = Image.open(filename)
assert pyimg.format == "PNG"
assert pyimg.size == (200, 200)
assert pyimg.mode == "RGB"
def testImageWriteBytesIO(self):
"""image writes data to a BytesIO instance"""
image = self.map.draw()
assert image.thisown == 1
s = BytesIO()
image.write(s)
filename = "testImageWriteBytesIO.png"
with open(filename, "wb") as fh:
fh.write(s.getvalue())
if have_image:
pyimg = Image.open(filename)
assert pyimg.format == "PNG"
assert pyimg.size == (200, 200)
assert pyimg.mode == "RGB"
def testImageGetBytes(self):
"""image returns bytes"""
image = self.map.draw()
assert image.thisown == 1
s = BytesIO(image.getBytes())
filename = "testImageGetBytes.png"
with open(filename, "wb") as fh:
fh.write(s.getvalue())
if have_image:
pyimg = Image.open(filename)
assert pyimg.format == "PNG"
assert pyimg.size == (200, 200)
assert pyimg.mode == "RGB"
def testSaveWebImage(self):
"""save an image to the imagepath folder and return its URL"""
# set the imagepath and imageurl on the MAP WEB object
self.map.web.imagepath = ""
self.map.web.imageurl = "/output/"
image = self.map.draw()
url = image.saveWebImage()
assert url.startswith("/output/")
assert url.endswith(".png")
def testPasteImage(self):
"""save an image to the imagepath folder and return its URL"""
image1 = self.map.draw()
image2 = self.map.draw()
ret = image1.pasteImage(image2, opacity=0.5, dstx=10, dsty=10)
assert ret == mapscript.MS_SUCCESS
filename = "testImagePaste.png"
fh = open(filename, "wb")
image1.write(fh)
fh.close()
if have_image:
pyimg = Image.open(filename)
assert pyimg.format == "PNG"
assert pyimg.size == (200, 200)
assert pyimg.mode == "RGB"
if __name__ == "__main__":
unittest.main()