Cutlery/calibre
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This commit is contained in:
Kovid Goyal 2016-05-06 21:38:44 +05:30
parent 00c5680799
commit 7d5446a4ee
1 changed files with 12 additions and 12 deletions
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24
src/calibre/utils/img.py
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@ -56,10 +56,10 @@ def image_and_format_from_data(data):
def add_borders(img, left=0, top=0, right=0, bottom=0, border_color='#ffffff'): def add_borders(img, left=0, top=0, right=0, bottom=0, border_color='#ffffff'):
if not (left > 0 or right > 0 or top > 0 or bottom > 0): if not (left > 0 or right > 0 or top > 0 or bottom > 0):
return img return img
nimg = QImage(img.width() + left + right, img.height() + top + bottom, QImage.Format_RGB32) canvas = QImage(img.width() + left + right, img.height() + top + bottom, QImage.Format_RGB32)
nimg.fill(QColor(border_color)) canvas.fill(QColor(border_color))
overlay(img, nimg, left, top) overlay(img, canvas, left, top)
return nimg return canvas
def overlay(img, canvas=None, left=0, top=0): def overlay(img, canvas=None, left=0, top=0):
if canvas is None: if canvas is None:
@ -79,10 +79,10 @@ def overlay(img, canvas=None, left=0, top=0):
return canvas return canvas
def blend_image(img, bgcolor='#ffffff'): def blend_image(img, bgcolor='#ffffff'):
nimg = QImage(img.size(), QImage.Format_RGB32) canvas = QImage(img.size(), QImage.Format_RGB32)
nimg.fill(QColor(bgcolor)) canvas.fill(QColor(bgcolor))
overlay(img, nimg) overlay(img, canvas)
return nimg return canvas
def image_to_data(img, compression_quality=95, fmt='JPEG', png_compression_level=9, jpeg_optimized=True, jpeg_progressive=False): def image_to_data(img, compression_quality=95, fmt='JPEG', png_compression_level=9, jpeg_optimized=True, jpeg_progressive=False):
''' '''
@ -211,10 +211,10 @@ def blend_on_canvas(img, width, height, bgcolor='#ffffff'):
if scaled: if scaled:
img = img.scaled(nw, nh, Qt.IgnoreAspectRatio, Qt.SmoothTransformation) img = img.scaled(nw, nh, Qt.IgnoreAspectRatio, Qt.SmoothTransformation)
w, h = nw, nh w, h = nw, nh
nimg = QImage(width, height, QImage.Format_RGB32) canvas = QImage(width, height, QImage.Format_RGB32)
nimg.fill(QColor(bgcolor)) canvas.fill(QColor(bgcolor))
overlay(img, nimg, (width - w)//2, (height - h)//2) overlay(img, canvas, (width - w)//2, (height - h)//2)
return nimg return canvas
class Canvas(object): class Canvas(object):