Rapid Prototyping with SWIG
By Daniel Blezek, November 01, 1998
Any programming problem can be solved by adding another layer of indirection, or so the old saying goes. Sometimes that layer is called a wrapper.
November 1998/Rapid Prototyping with SWIG/Figure 2
>>> # Have Python load the new Image module
... import Image
>>>
>>> # Create an ImageInfo structure, and load Ship.gif
... II = Image.ImageInfo();
>>> II.filename = "Ship.gif";
>>> Ship = Image.ReadImage ( II );
>>>
>>> # Python representation of a pointer to Image*
... Ship.this
'_1012cb08_Image_p'
>>>
>>> # Some attributes of the Ship
... Ship.rows
289
>>> Ship.columns
406
>>> Ship.depth; # Bits per pixel
8
>>>
>>> # Emboss effect
... Embossed = Ship.Emboss();
>>> Embossed.filename = "Embossed.gif";
>>> Embossed.Write ( II );
1
>>>
>>> # Load an image of a frog, and swirl it
... II.filename = "Frog.gif";
>>> Frog = Image.ReadImage ( II );
>>> Swirl = Frog.Swirl ( 30.0 );
>>> Swirl.filename = "Swirl.gif";
>>> Swirl.Write ( II );
1
>>>
>>> # Distort an image of the earth
... II.filename = "Earth.gif"
>>> Earth = Image.ReadImage ( II );
>>>
>>> # Since each effect returns a new object,
... # I can string them together, and let
... # Python take care of memory management
... OuterSpace = Earth.Blur ( 100.0 ).Wave ( 5.0, 15.0 );
>>> OuterSpace.filename = "OuterSpace.gif";
>>> OuterSpace.Write ( II );
1
>>>
