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-Welcome to the cairo tutorial:
-
-+--------------------------------+
-| How to Recognize Ugly Graphics |
-|(and what you can do about them)|
-+--------------------------------+
-
-This directory is your personal playground for following along with
-the examples. In order for you to make use of these files you will
-need to have cairo and its header files installed. You can find
-instructions for doing this at:
-
- http://cairographics.org/tutorial
-
-Notice that there are a few .c files in this directory.
-
-You should start out by just typing "make" which will turn each .c
-file into several different programs. Go ahead and run each of the
-programs and see what they do. Some of them will open up new X windows
-while others will simply write their output to files (such .png or
-.pdf).
-
-After you play with those a bit, go ahead and take a look at the
-contents of the .c files. You'll see that each file contains a draw()
-function that does all of the drawing.
-
-You might be surprised to notice that there is no main() function in
-any of the files. Instead, main is hidden away by means of
-cairo-tutorial.h. This rather non-conventional style is used to allow
-you to focus on the actual drawing code involved in using cairo, while
-not having to worry about the setup semantics. We don't recommend that
-you follow this style for real projects.
-
-As you follow along during the tutorial and get some ideas for things
-to draw, you'll want to start making your own .c files. You can copy
-an existing file or make your own by following this simple minimal
-template:
-
- #include "cairo-tutorial.h"
-
- static void
- draw (cairo_t *cr, int width, int height)
- {
- /* Put your drawing code here. */
- }
-
-Any new file you create will automatically get picked up by the
-Makefile so that "make" will compile your file into several different
-programs, just like the existing examples.
-
-If you'd like to control the initial size of the output, you may
-define WIDTH and HEIGHT before including cairo-tutorial.h like so:
-
- #define WIDTH 100
- #define HEIGHT 100
-
- #include "cairo-tutorial.h"
-
-If you would like to change the set of cairo-backend target programs
-that are compiled, you may edit the "all" target in the Makefile.
-
-Have fun!
-
--Carl Worth
-
-cworth@redhat.com