def test_imagesize(self):
with Drawing() as d:
text = 'check'
d.font = 'Arial'
d.font_size = 36
size = calcSuitableImagesize(d, text)
print('calcSuitableImagesize: ', size)
self.assertTrue(size[0] > 0 and size[1] > 0)
# original imagemagick command:
# convert -font Times-Bold -pointsize 64 \
# -background none label:"Colorful Arc" \
# \( +clone -sparse-color Barycentric '0,%h blue %w,0 red' \
# \) -compose In -composite \
# -virtual-pixel transparent -distort arc 120 \
# \( +clone -background black -shadow 100x2+4+4 \
# \) +swap -background white -compose over -layers merge +repage \
# colorful_arc.jpg
text = 'Colorful Arc'
with Drawing() as draw:
draw.font = 'Times-Bold'
draw.font_size = 64
(w, h) = calcSuitableImagesize(draw, text)
# make gradient image(blue -> red)
gradient = Image(width=w, height=h, background=Color('black'))
channel = 'default_channels' # see CHANNELS in 'wand/image.py'
# x y R G B A
sparsecolor(gradient, channel, 'barycentric', [0, h, 0.0, 0.0, 1.0, 1.0,
w, 0, 1.0, 0.0, 0.0, 1.0])
# make text image
textimg = Image(width=w, height=h)
draw.gravity = 'center'
draw.fill_color = Color('white')
draw.text(0, 0, text)
draw(textimg)
#!/usr/bin/env python
from wand.image import Image
from wand.drawing import Drawing
from wand.color import Color
from wandplus.textutil import calcSuitableImagesize
# http://www.imagemagick.org/Usage/text/
# original imagemagick command:
# echo -n "Vertical" | sed 's/./&@/g; s/@$//' | tr '@' '\012' |\
# convert -background lightblue -fill blue -font Ravie -pointsize 24 \
# -gravity center label:@- label_vertical.gif
with Drawing() as draw:
text = 'Vertical'
text = '\n'.join(list(text)) # insert \n between each char
draw.font = 'Ravie'
draw.font_size = 24
draw.gravity = 'center'
(w, h) = calcSuitableImagesize(draw, text, multiline=True)
with Image(width=w, height=h, background=Color('lightblue')) as img:
draw.fill_color = Color('blue')
draw.text(0, 0, text)
draw(img)
img.save(filename='sample10.png')