def test_scaleTransform(self):
"""
This test is to create polygons and performs scaling on them.
"""
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
# Result image for transform
resultImage, resulCanvas = getImage('L', (640, 480), 'white')
drawSolid(resulCanvas, regularPolygon(3, np.array([320, 240]), 50),
'black')
drawSolid(resulCanvas, regularPolygon(5, np.array([80, 60]), 70),
'black')
drawSolid(resulCanvas, regularPolygon(4, np.array([480, 380]), 70),
'black')
drawWire(
resulCanvas,
scale(np.array([320, 240]),
(regularPolygon(3, np.array([320, 240]), 50)), 3))
drawWire(
resulCanvas,
scale(np.array([80, 60]),
(regularPolygon(5, np.array([80, 60]), 70)), 1.3))
drawWire(
resulCanvas,
scale(np.array([480, 380]),
(regularPolygon(4, np.array([480, 380]), 70)), 2))
resultImage.save(resultFile)
resultImage.close()
validate(resultFile, resultFile)
def test_regularWiredPolygon(self):
"""
Result image is the same as regularPolygon but with wire connecting the vertices.
"""
regularWiredImage, regularWiredCanvas = getImage(
'L', (640, 480), 'white')
drawWire(regularWiredCanvas, regularPolygon(3, np.array([160, 120]),
50))
drawWire(regularWiredCanvas, regularPolygon(4, np.array([480, 120]),
90))
drawWire(regularWiredCanvas, regularPolygon(5, np.array([420, 360]),
60))
drawWire(regularWiredCanvas, regularPolygon(6, np.array([160, 360]),
80))
drawWire(regularWiredCanvas, regularPolygon(7, np.array([320, 160]),
70))
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
regularWiredImage.save(resultFile)
regularWiredImage.close()
# compare results against reference data
validate(referenceFile, resultFile)
def test_randomPolygon(self):
"""
drawing random vertices location - un-wired
"""
randomImage, randomCanvas = getImage('L', (640, 480), 'white')
seed = 5
draw(randomCanvas, randomPolygon(seed, 3, np.array([160, 120]), 200),
'3r')
draw(randomCanvas, randomPolygon(seed, 4, np.array([480, 120]), 200),
'4r')
draw(randomCanvas, randomPolygon(seed, 5, np.array([480, 360]), 200),
'5r')
draw(randomCanvas, randomPolygon(seed, 6, np.array([160, 360]), 200),
'6r')
draw(randomCanvas, randomPolygon(seed, 7, np.array([320, 240]), 200),
'7r')
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
randomImage.save(resultFile)
randomImage.close()
# compare results against reference data
validate(referenceFile, resultFile)
def test_regularRotatedWiredPolygon(self):
"""
Result image for regularPolygon using rotated points with wire.
"""
regularRotatedWiredImage, regularRotatedWiredCanvas = getImage(
'L', (640, 480), 'white')
center = np.array([320, 240])
draw(regularRotatedWiredCanvas, [center], 'center')
drawWire(regularRotatedWiredCanvas, (rotate(
(regularPolygon(3, np.array([160, 120]), 50)), center, 45.0)))
drawWire(regularRotatedWiredCanvas, (rotate(
(regularPolygon(4, np.array([480, 120]), 90)), center, 45.0)))
drawWire(regularRotatedWiredCanvas, (rotate(
(regularPolygon(5, np.array([420, 360]), 60)), center, 45.0)))
drawWire(regularRotatedWiredCanvas, (rotate(
(regularPolygon(6, np.array([160, 360]), 80)), center, 45.0)))
drawWire(regularRotatedWiredCanvas, (rotate(
(regularPolygon(7, np.array([320, 160]), 70)), center, 45.0)))
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
regularRotatedWiredImage.save(resultFile)
regularRotatedWiredImage.close()
# compare results against reference data
validate(referenceFile, resultFile)
def test_rotateTransform(self):
"""
This function is to test rotated points in 2D
"""
# first create an empty white image
resultImage, resultCanvas = getImage('L', (640, 480), 'white')
# get the name through the module name
imageName = fileName(sys._getframe().f_code.co_name)
# call function get_path from PathsModule.py to set the path for results and reference folder location
resultFile, referenceFile = getPath(imageName)
# plot the points with no rotation
draw(resultCanvas, self.points, '+')
# specify the centre for rotation and draw it.
center = np.array([180, 140])
draw(resultCanvas, [center], 'center')
# apply rotation and draw the resultant points
rotatedPoints = rotate(self.points, center, 90.0)
draw(resultCanvas, rotatedPoints, 'X')
# save it into predetermined file.
resultImage.save(resultFile)
resultImage.close()
# compare results against reference data
validate(referenceFile, resultFile)
def test_drawWire(self):
"""
This test is to draw a line between two vertices
"""
# Create the file name and its saving path, and specify the reference file to compare to.
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
# create an empty image with a specific dimension with white background, and black/white colored
image, canvas = getImage('L', (640, 480), 'white')
drawWire(canvas, regularPolygon(3, np.array([160, 120]), 50))
drawWire(canvas, regularPolygon(4, np.array([480, 120]), 90))
drawWire(canvas, regularPolygon(5, np.array([420, 360]), 60))
drawWire(canvas, regularPolygon(6, np.array([160, 360]), 80))
drawWire(canvas, regularPolygon(7, np.array([320, 160]), 70))
# saving the file and closing it
image.save(resultFile)
image.close()
# validate the resultant file against the reference images
validate(referenceFile, resultFile)
def test_regularPolygon(self):
"""
This test draws a multi-vertices (3,4,5,6,7) at specific locations.
"""
# Result image for regularPolygon
regularImage, regularCanvas = getImage('L', (640, 480), 'white')
draw(regularCanvas, regularPolygon(3, np.array([160, 120]), 50), '3')
draw(regularCanvas, regularPolygon(4, np.array([480, 120]), 90), '4')
draw(regularCanvas, regularPolygon(5, np.array([420, 360]), 60), '5')
draw(regularCanvas, regularPolygon(6, np.array([160, 360]), 80), '6')
draw(regularCanvas, regularPolygon(7, np.array([320, 160]), 70), '7')
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
regularImage.save(resultFile)
regularImage.close()
# compare results against reference data
validate(referenceFile, resultFile)
def test_Polygonshape(self):
"""
Result image for combined shapes
"""
shapeImage, shapeCanvas = getImage('L', (640, 480), 'white')
center = np.array([320, 240])
drawWire(shapeCanvas,
(rotate((regularPolygon(3, np.array([320, 240]), 110)),
np.array([450, 200]), 30.0)))
drawWire(shapeCanvas, (rotate(
(regularPolygon(4, np.array([320, 240]), 120)), center, 45.0)))
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
shapeImage.save(resultFile)
shapeImage.close()
# compare results against reference data
validate(referenceFile, resultFile)
def test_draw(self):
"""
This test is to draw a number of vertices labeled as 'A'
"""
# Create the file name and its saving path, and specify the reference file to compare to.
image_name = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(image_name)
# create an empty image with a specific dimension with white background, and black/white colored
image, canvas = getImage('L', (15, 90), 'white')
for i in range(len(drawPoints) - 1):
draw(canvas, (drawPoints[i + 0], drawPoints[i + 1]), 'A')
# saving the file and closing it
image.save(resultFile)
image.close()
# validate the resultant file against the reference images
validate(referenceFile, resultFile)
def test_translateTransform(self):
"""
this test perform translation on created shapes.
"""
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
# Result image for transform
resultImage, resultCanvas = getImage('L', (640, 480), 'white')
draw(resultCanvas, translate(regularPolygon(4, (120, 340), 100), 240,
0), "black")
draw(resultCanvas,
translate(regularPolygon(4, (120, 340), 100), 240, -90), "black")
draw(resultCanvas,
translate(regularPolygon(4, (120, 340), 100), 339.4, -45),
"black")
resultImage.save(resultFile)
resultImage.close()
validate(resultFile, resultFile)
def test_regularRotatedPolygon(self):
"""
This test creates polygons with 3,4,5,6,7 edges and rotate them around a predefined centre of rotate.
the angle of rotation is 45.
"""
# Result image for regularPolygon with rotated points
regularRotatedImage, regularRotatedCanvas = getImage(
'L', (640, 480), 'white')
center = np.array([320, 240])
draw(regularRotatedCanvas, [center], 'center')
draw(regularRotatedCanvas, (rotate(
(regularPolygon(3, np.array([160, 120]), 50)), center, 45.0)),
'3r')
draw(regularRotatedCanvas, (rotate(
(regularPolygon(4, np.array([480, 120]), 90)), center, 45.0)),
'4r')
draw(regularRotatedCanvas, (rotate(
(regularPolygon(5, np.array([420, 360]), 60)), center, 45.0)),
'5r')
draw(regularRotatedCanvas, (rotate(
(regularPolygon(6, np.array([160, 360]), 80)), center, 45.0)),
'6r')
draw(regularRotatedCanvas, (rotate(
(regularPolygon(7, np.array([320, 160]), 70)), center, 45.0)),
'7r')
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
regularRotatedImage.save(resultFile)
regularRotatedImage.close()
# compare results against reference data
validate(referenceFile, resultFile)
def test_randomRotatedPolygon(self):
"""
this test is to create random vertices and rotate them about a specific center
"""
randomRotatedImage, randomRotatedCanvas = getImage(
'L', (640, 480), 'white')
center = np.array([320, 240])
draw(randomRotatedCanvas, [center], 'center')
seed = 5
draw(randomRotatedCanvas, (rotate(
(randomPolygon(seed, 3, np.array([160, 120]), 50)), center, 90.0)),
'3r')
draw(randomRotatedCanvas, (rotate(
(randomPolygon(seed, 4, np.array([480, 120]), 90)), center, 90.0)),
'4r')
draw(randomRotatedCanvas, (rotate(
(randomPolygon(seed, 5, np.array([420, 360]), 60)), center, 90.0)),
'5r')
draw(randomRotatedCanvas, (rotate(
(randomPolygon(seed, 6, np.array([160, 360]), 80)), center, 90.0)),
'6r')
draw(randomRotatedCanvas, (rotate(
(randomPolygon(seed, 7, np.array([320, 160]), 70)), center, 90.0)),
'7r')
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
randomRotatedImage.save(resultFile)
randomRotatedImage.close()
# compare results against reference data
validate(referenceFile, resultFile)
def test_drawSolid(self):
"""
This test is to create polygons filled with a particular color: red, blue,...ect.
"""
# first, Create the file name and its saving path, and specify the reference file to compare to.
imageName = fileName(sys._getframe().f_code.co_name)
resultFile, referenceFile = getPath(imageName)
# Next, create an empty image with a specific dimension with white background, and black/white colored
image, canvas = getImage('RGB', (640, 480), 'white')
drawSolid(canvas, regularPolygon(3, np.array([160, 120]), 50), 'red')
drawSolid(canvas, regularPolygon(4, np.array([480, 120]), 90), 'blue')
drawSolid(canvas, regularPolygon(5, np.array([420, 360]), 60), 'green')
drawSolid(canvas, regularPolygon(6, np.array([160, 360]), 80), 'black')
drawSolid(canvas, regularPolygon(7, np.array([320, 160]), 70), 'brown')
# saving the file and closing it
image.save(resultFile)
image.close()
# validate the resultant file against the reference images
validate(referenceFile, resultFile)