20 lines
633 B
Python
20 lines
633 B
Python
#
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# Python GUI - Image scaling utilities - Gtk
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#
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from gtk import gdk
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def gtk_scale_pixbuf(src_pixbuf, sx, sy, sw, sh, dw, dh):
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"""Return a new pixbuf containing the specified part of
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the given pixbuf scaled to the specified size."""
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dst_pixbuf = gdk.Pixbuf(
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src_pixbuf.get_colorspace(), src_pixbuf.get_has_alpha(),
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src_pixbuf.get_bits_per_sample(), dw, dh)
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xscale = float(dw) / sw
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yscale = float(dh) / sh
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xoffset = - xscale * sx
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yoffset = - yscale * sy
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src_pixbuf.scale(dst_pixbuf, 0, 0, dw, dh,
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xoffset, yoffset, xscale, yscale, gdk.INTERP_BILINEAR)
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return dst_pixbuf
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