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Diffstat (limited to 'chalk/doc/coordinates.txt')
| -rw-r--r-- | chalk/doc/coordinates.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/chalk/doc/coordinates.txt b/chalk/doc/coordinates.txt new file mode 100644 index 00000000..3d7e20dc --- /dev/null +++ b/chalk/doc/coordinates.txt @@ -0,0 +1,9 @@ +Coordinates in Chalk + +As with any paint app, finding out what you mean when you say (x,y) is difficult. +There are the screen coordinates, the coordinates of the canvas inside the view, +the zoomed coordinates -- and the image coordinates, paint device coordinates and the +coordinates of the data inside the paint device. + +Iterators are created in terms of the image coordinates. + |