def test_size_property(self):
img = Image((500, 300), 'red')
self.assertEqual(img.width, 500)
self.assertEqual(img.height, 300)
img.scale(0.5)
self.assertEqual(img.width, 250)
self.assertEqual(img.height, 150)
def test_size_property(self):
im = Image((500, 300), 'red')
self.assertEqual(im.width, 500)
self.assertEqual(im.height, 300)
im.scale(0.5)
self.assertEqual(im.width, 250)
self.assertEqual(im.height, 150)
def test_unicodefilename(self):
self.img.write('unicode.png')
if sys.version_info >= (3, ):
img = Image('unicode.png')
else:
img = Image(unicode('unicode.png'))
img.scale(0.5)
if sys.version_info >= (3, ):
img.write('unicode.jpg')
else:
img.write(unicode('unicode.jpg'))
def test_unicodefilename(self):
self.img.write('unicode.png')
if sys.version_info >= (3, ):
img = Image('unicode.png')
else:
img = Image(unicode('unicode.png'))
img.scale(0.5)
if sys.version_info >= (3, ):
img.write('unicode.jpg')
else:
img.write(unicode('unicode.jpg'))
def _ensure(id_, folderer, getter):
folder = folderer(id_)
# Create folder if it does not exists
if not os.path.exists(folder):
os.makedirs(folder)
# Download image
original = os.path.join(folder, ORIGINAL_FILENAME)
if not os.path.exists(original):
getter(original)
# Create thumbnail
thumb = os.path.join(folder, THUMBNAIL_FILENAME)
if os.path.exists(original) and not os.path.exists(thumb):
img = Image(original)
img.scale((THUMBNAIL_SIZE, THUMBNAIL_SIZE))
img.write(thumb)
def test_scale_with_filtertype(self):
testset = {"Catrom": None, "Cubic": None, "None": None}
for k, v in testset.items():
img = Image((600, 400), 'gradient:#ffffff-#000000')
if sys.platform.lower() == 'darwin':
img.font("/Library/Fonts/Arial.ttf")
img.annotate("hello", (100, 100))
if k != "None":
img.scale(0.6, k)
else:
img.scale(0.6)
img.write('t.jpg')
m = hashlib.md5()
with open('t.jpg', 'rb') as fp:
m.update(fp.read())
testset[k] = m.hexdigest()
self.assertNotEqual(testset["Catrom"], testset["None"])
self.assertNotEqual(testset["Cubic"], testset["None"])
self.assertNotEqual(testset["Catrom"], testset["Cubic"])
def test_scale_with_filtertype(self):
img = Image((600, 400), 'gradient:#ffffff-#000000')
img.scale(0.6, 'Catrom')
img.write('t.jpg')
m = hashlib.md5()
with open('t.jpg', 'rb') as fp:
m.update(fp.read())
scale_with_filtertype_catrom_digest = m.hexdigest()
img = Image((600, 400), 'gradient:#ffffff-#000000')
img.scale(0.6, 'Cubic')
img.write('t.jpg')
m = hashlib.md5()
with open('t.jpg', 'rb') as fp:
m.update(fp.read())
scale_with_filtertype_cubic_digest = m.hexdigest()
img = Image((600, 400), 'gradient:#ffffff-#000000')
img.scale(0.6)
img.write('t.jpg')
m = hashlib.md5()
with open('t.jpg', 'rb') as fp:
m.update(fp.read())
scale_digest = m.hexdigest()
self.assertNotEqual(scale_with_filtertype_catrom_digest, scale_digest)
self.assertNotEqual(scale_with_filtertype_catrom_digest,
scale_with_filtertype_cubic_digest)
def test_scale_with_filtertype(self):
img = Image((600, 400), 'gradient:#ffffff-#000000')
img.scale(0.6, 'Catrom')
img.write('t.jpg')
m = hashlib.md5()
with open('t.jpg', 'rb') as fp:
m.update(fp.read())
scale_with_filtertype_catrom_digest = m.hexdigest()
img = Image((600, 400), 'gradient:#ffffff-#000000')
img.scale(0.6, 'Cubic')
img.write('t.jpg')
m = hashlib.md5()
with open('t.jpg', 'rb') as fp:
m.update(fp.read())
scale_with_filtertype_cubic_digest = m.hexdigest()
img = Image((600, 400), 'gradient:#ffffff-#000000')
img.scale(0.6)
img.write('t.jpg')
m = hashlib.md5()
with open('t.jpg', 'rb') as fp:
m.update(fp.read())
scale_digest = m.hexdigest()
self.assertNotEqual(scale_with_filtertype_catrom_digest, scale_digest)
self.assertNotEqual(scale_with_filtertype_catrom_digest, scale_with_filtertype_cubic_digest)
def test_scale(self):
img = Image((600, 400), 'gradient:#ffffff-#000000')
img.scale(0.6)
img.write('t.jpg')
def test_unicodefilename(self):
self.img.write('unicode.png')
img = Image(u'unicode.png')
img.scale(0.5)
img.write(u'unicode.jpg')
def test_scale(self):
im = Image((600, 400), 'red')
im.scale(0.6)
im.write('t.jpg')
def test_scale(self):
im = Image((600, 400), 'red')
im.scale(0.6)
im.write('t.jpg')
class Image( object ):
"""
This is pgmagick.api.Image adapter.And add some util tools.
"""
def __init__( self, filename = None, color = None, *args, **kargs ):
"""
Init a adapter.
:Args:
- filename - This param is a file name or Image of pgmagick.
- Color - This is color of pgmagick.api.
"""
if isinstance( filename, OrginallyImage ):
self.__apiImage = ApiImage()
self.__apiImage.img = filename
else:
self.__apiImage = ApiImage( filename, color, args, kargs )
def border( self, size, color_str = "white" ):
"""
Set a border and color.
:Args:
- size - This is dict. (example: {"width":2,"height":2} )
- color_str - The default value is white. ( example: "#ffeeff" )
"""
img = self.get_pgmagick_image()
img.borderColor( Color( color_str ) )
img.border( Geometry( size.get("width"), size.get("height") ) );
def crop( self, bounds ):
"""
Crop this image.
:Args:
- bounds - This is bounds dict. ( example:{"width":40,"height":40,"x":0,"y":0} )
"""
img = self.get_pgmagick_image()
img.crop( Geometry( bounds.get("width"), bounds.get("height"), bounds.get("x"), bounds.get("y") ) )
def resize( self, size, is_force = False ):
"""
Reset a size.
:Args:
- size - This is dict. (example: {"width":2,"height":2} )
- isForce - This is boolean.The image width or height will be possible less to set size,when isForce is true.
"""
if is_force:
self.__apiImage.scale( ( size.get("width"), size.get("height") ) )
else:
height = self.__apiImage.height
width = self.__apiImage.width
ratio_height = float( size.get("height") ) / float( height )
ratio_width = float( size.get("width") ) / float( width )
ratio = 1
if ratio_height < ratio_width:
ratio = ratio_width
else:
ratio = ratio_height
self.__apiImage.scale( ( ratio * width, ratio * height ) )
def get_blob( self ):
"""
Get a blob object.
"""
blob = Blob()
img = self.get_pgmagick_image()
img.write( blob, "png" )
return blob
def get_pgmagick_image( self ):
"""
Get a pgmagick image.
"""
return self.__apiImage.img
def get_api_image( self ):
"""
Get a pgmagick.api image.
"""
return self.__apiImage
def __create_arrow_bg( self, points, color ):
"""
Create a draw of arrow background.
"""
draw = Draw()
draw.stroke_antialias( False )
draw.polygon( points )
draw.fill_color( color )
return draw
def __create_arrow_border( self, start_x, end_x , y, arrow_height, color ):
"""
Create a draw of arrow border.
"""
center_x = ( start_x + end_x ) /2
center_y = arrow_height + y
arrow_border_draw = Draw()
arrow_border_draw.stroke_color( color )
arrow_border_draw.stroke_antialias( False )
arrow_border_draw.line( start_x, y, center_x, center_y )
arrow_border_draw.line( center_x, center_y, end_x, y )
arrow_border_draw.stroke_width( 2 )
return arrow_border_draw
def arrow( self, background_color = "#FFFFFF", border_color = "#BBBBBB" ):
"""
Draw a arrow at icon bottom.
"""
img = self.get_api_image()
width = img.width
height = img.height
center_x = width / 2
arrow_half_width = int( center_x / 3 )
arrow_height = int( height / 7 )
bg_img = ApiImage(( width, height + arrow_height + 1 ),'transparent')
#
arrow_start_x = center_x - arrow_half_width
arrow_end_x = center_x + arrow_half_width
center_y = height + arrow_height
arrow_bg_start_point = ( arrow_start_x, height -1 )
arrow_bg_end_point = ( arrow_end_x, height - 1 )
arrow_bg_center_point = ( center_x, height + arrow_height )
draw = Draw()
draw.composite( 0, 0, width, height, img.img )
bg_img.draw( draw )
points = ( arrow_bg_start_point, arrow_bg_end_point, arrow_bg_center_point, arrow_bg_start_point )
bg_img.draw( self.__create_arrow_bg( points, background_color ) )
bg_img.draw( self.__create_arrow_border( arrow_start_x, arrow_end_x, height, arrow_height, border_color ) )
self.__apiImage = bg_img
def test_scale(self):
img = Image((600, 400), 'gradient:#ffffff-#000000')
img.scale(0.6)
img.write('t.jpg')
def test_unicodefilename(self):
self.img.write('unicode.png')
img = Image(u'unicode.png')
img.scale(0.5)
img.write(u'unicode.jpg')