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test both layout engines, if available

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wiredfool 2017-06-13 09:31:29 -07:00
parent b8c04de043
commit 39327332df
1 changed files with 372 additions and 368 deletions
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64
Tests/test_imagefont.py
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@ -1,7 +1,6 @@
from helper import unittest, PillowTestCase from helper import unittest, PillowTestCase
from PIL import Image from PIL import Image, ImageDraw, ImageFont, features
from PIL import ImageDraw
from io import BytesIO from io import BytesIO
import os import os
import sys import sys
@ -12,10 +11,9 @@ FONT_SIZE = 20
TEST_TEXT = "hey you\nyou are awesome\nthis looks awkward" TEST_TEXT = "hey you\nyou are awesome\nthis looks awkward"
HAS_FREETYPE = features.check('freetype2')
HAS_RAQM = features.check('raqm')
try:
from PIL import ImageFont
ImageFont.core.getfont # check if freetype is available
class SimplePatcher(object): class SimplePatcher(object):
def __init__(self, parent_obj, attr_name, value): def __init__(self, parent_obj, attr_name, value):
@ -42,14 +40,20 @@ try:
else: else:
delattr(self._parent_obj, self._attr_name) delattr(self._parent_obj, self._attr_name)
@unittest.skipUnless(HAS_FREETYPE, "ImageFont not Available")
class TestImageFont(PillowTestCase): class TestImageFont(PillowTestCase):
LAYOUT_ENGINE = ImageFont.LAYOUT_BASIC
def get_font(self):
return ImageFont.truetype(FONT_PATH, FONT_SIZE,
layout_engine=self.LAYOUT_ENGINE)
def test_sanity(self): def test_sanity(self):
self.assertRegexpMatches( self.assertRegexpMatches(
ImageFont.core.freetype2_version, r"\d+\.\d+\.\d+$") ImageFont.core.freetype2_version, r"\d+\.\d+\.\d+$")
def test_font_properties(self): def test_font_properties(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) ttf = self.get_font()
self.assertEqual(ttf.path, FONT_PATH) self.assertEqual(ttf.path, FONT_PATH)
self.assertEqual(ttf.size, FONT_SIZE) self.assertEqual(ttf.size, FONT_SIZE)
@ -65,7 +69,7 @@ try:
self.assertEqual(ttf_copy.path, second_font_path) self.assertEqual(ttf_copy.path, second_font_path)
def test_font_with_name(self): def test_font_with_name(self):
ImageFont.truetype(FONT_PATH, FONT_SIZE) self.get_font()
self._render(FONT_PATH) self._render(FONT_PATH)
self._clean() self._clean()
@ -75,7 +79,8 @@ try:
return font_bytes return font_bytes
def test_font_with_filelike(self): def test_font_with_filelike(self):
ImageFont.truetype(self._font_as_bytes(), FONT_SIZE) ImageFont.truetype(self._font_as_bytes(), FONT_SIZE,
layout_engine=self.LAYOUT_ENGINE)
self._render(self._font_as_bytes()) self._render(self._font_as_bytes())
# Usage note: making two fonts from the same buffer fails. # Usage note: making two fonts from the same buffer fails.
# shared_bytes = self._font_as_bytes() # shared_bytes = self._font_as_bytes()
@ -90,7 +95,8 @@ try:
def _render(self, font): def _render(self, font):
txt = "Hello World!" txt = "Hello World!"
ttf = ImageFont.truetype(font, FONT_SIZE) ttf = ImageFont.truetype(font, FONT_SIZE,
layout_engine=self.LAYOUT_ENGINE)
ttf.getsize(txt) ttf.getsize(txt)
img = Image.new("RGB", (256, 64), "white") img = Image.new("RGB", (256, 64), "white")
@ -115,7 +121,7 @@ try:
def test_textsize_equal(self): def test_textsize_equal(self):
im = Image.new(mode='RGB', size=(300, 100)) im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im) draw = ImageDraw.Draw(im)
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) ttf = self.get_font()
txt = "Hello World!" txt = "Hello World!"
size = draw.textsize(txt, ttf) size = draw.textsize(txt, ttf)
@ -132,7 +138,7 @@ try:
def test_render_multiline(self): def test_render_multiline(self):
im = Image.new(mode='RGB', size=(300, 100)) im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im) draw = ImageDraw.Draw(im)
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) ttf = self.get_font()
line_spacing = draw.textsize('A', font=ttf)[1] + 4 line_spacing = draw.textsize('A', font=ttf)[1] + 4
lines = TEST_TEXT.split("\n") lines = TEST_TEXT.split("\n")
y = 0 y = 0
@ -149,7 +155,7 @@ try:
self.assert_image_similar(im, target_img, 6.2) self.assert_image_similar(im, target_img, 6.2)
def test_render_multiline_text(self): def test_render_multiline_text(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) ttf = self.get_font()
# Test that text() correctly connects to multiline_text() # Test that text() correctly connects to multiline_text()
# and that align defaults to left # and that align defaults to left
@ -187,7 +193,7 @@ try:
def test_unknown_align(self): def test_unknown_align(self):
im = Image.new(mode='RGB', size=(300, 100)) im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im) draw = ImageDraw.Draw(im)
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) ttf = self.get_font()
# Act/Assert # Act/Assert
self.assertRaises(AssertionError, self.assertRaises(AssertionError,
@ -196,7 +202,7 @@ try:
align="unknown")) align="unknown"))
def test_multiline_size(self): def test_multiline_size(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) ttf = self.get_font()
im = Image.new(mode='RGB', size=(300, 100)) im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im) draw = ImageDraw.Draw(im)
@ -211,7 +217,7 @@ try:
del draw del draw
def test_multiline_width(self): def test_multiline_width(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) ttf = self.get_font()
im = Image.new(mode='RGB', size=(300, 100)) im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im) draw = ImageDraw.Draw(im)
@ -221,7 +227,7 @@ try:
del draw del draw
def test_multiline_spacing(self): def test_multiline_spacing(self):
ttf = ImageFont.truetype(FONT_PATH, FONT_SIZE) ttf = self.get_font()
im = Image.new(mode='RGB', size=(300, 100)) im = Image.new(mode='RGB', size=(300, 100))
draw = ImageDraw.Draw(im) draw = ImageDraw.Draw(im)
@ -238,7 +244,7 @@ try:
img_grey = Image.new("L", (100, 100)) img_grey = Image.new("L", (100, 100))
draw = ImageDraw.Draw(img_grey) draw = ImageDraw.Draw(img_grey)
word = "testing" word = "testing"
font = ImageFont.truetype(FONT_PATH, FONT_SIZE) font = self.get_font()
orientation = Image.ROTATE_90 orientation = Image.ROTATE_90
transposed_font = ImageFont.TransposedFont( transposed_font = ImageFont.TransposedFont(
@ -261,7 +267,7 @@ try:
img_grey = Image.new("L", (100, 100)) img_grey = Image.new("L", (100, 100))
draw = ImageDraw.Draw(img_grey) draw = ImageDraw.Draw(img_grey)
word = "testing" word = "testing"
font = ImageFont.truetype(FONT_PATH, FONT_SIZE) font = self.get_font()
orientation = None orientation = None
transposed_font = ImageFont.TransposedFont( transposed_font = ImageFont.TransposedFont(
@ -282,7 +288,7 @@ try:
def test_rotated_transposed_font_get_mask(self): def test_rotated_transposed_font_get_mask(self):
# Arrange # Arrange
text = "mask this" text = "mask this"
font = ImageFont.truetype(FONT_PATH, FONT_SIZE) font = self.get_font()
orientation = Image.ROTATE_90 orientation = Image.ROTATE_90
transposed_font = ImageFont.TransposedFont( transposed_font = ImageFont.TransposedFont(
font, orientation=orientation) font, orientation=orientation)
@ -296,7 +302,7 @@ try:
def test_unrotated_transposed_font_get_mask(self): def test_unrotated_transposed_font_get_mask(self):
# Arrange # Arrange
text = "mask this" text = "mask this"
font = ImageFont.truetype(FONT_PATH, FONT_SIZE) font = self.get_font()
orientation = None orientation = None
transposed_font = ImageFont.TransposedFont( transposed_font = ImageFont.TransposedFont(
font, orientation=orientation) font, orientation=orientation)
@ -309,7 +315,7 @@ try:
def test_free_type_font_get_name(self): def test_free_type_font_get_name(self):
# Arrange # Arrange
font = ImageFont.truetype(FONT_PATH, FONT_SIZE) font = self.get_font()
# Act # Act
name = font.getname() name = font.getname()
@ -319,7 +325,7 @@ try:
def test_free_type_font_get_metrics(self): def test_free_type_font_get_metrics(self):
# Arrange # Arrange
font = ImageFont.truetype(FONT_PATH, FONT_SIZE) font = self.get_font()
# Act # Act
ascent, descent = font.getmetrics() ascent, descent = font.getmetrics()
@ -331,7 +337,7 @@ try:
def test_free_type_font_get_offset(self): def test_free_type_font_get_offset(self):
# Arrange # Arrange
font = ImageFont.truetype(FONT_PATH, FONT_SIZE) font = self.get_font()
text = "offset this" text = "offset this"
# Act # Act
@ -342,7 +348,7 @@ try:
def test_free_type_font_get_mask(self): def test_free_type_font_get_mask(self):
# Arrange # Arrange
font = ImageFont.truetype(FONT_PATH, FONT_SIZE) font = self.get_font()
text = "mask this" text = "mask this"
# Act # Act
@ -450,7 +456,7 @@ try:
def test_imagefont_getters(self): def test_imagefont_getters(self):
# Arrange # Arrange
t = ImageFont.truetype(FONT_PATH, FONT_SIZE) t = self.get_font()
# Act / Assert # Act / Assert
self.assertEqual(t.getmetrics(), (16, 4)) self.assertEqual(t.getmetrics(), (16, 4))
@ -467,11 +473,9 @@ try:
self.assertEqual(t.getsize('a'), (12, 16)) self.assertEqual(t.getsize('a'), (12, 16))
except ImportError: @unittest.skipUnless(HAS_RAQM, "Raqm not Available")
class TestImageFont(PillowTestCase): class TestImageFont_RaqmLayout(TestImageFont):
def test_skip(self): LAYOUT_ENGINE = ImageFont.LAYOUT_RAQM
self.skipTest("ImportError")
if __name__ == '__main__': if __name__ == '__main__':
unittest.main() unittest.main()