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Fractals: Use constants for screen panning

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@24258 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tomer Shalev 2010-01-17 15:32:17 +00:00
parent 51cb7eb5f2
commit 55240a2e85
3 changed files with 10 additions and 4 deletions
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8
apps/plugins/fractals/fractal_sets.h
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@ -24,6 +24,14 @@
#include "lib/grey.h"
#include "lib/xlcd.h"
#define DELTA 8 /* Panning moves 1/DELTA of screen */
#define LCD_SHIFT_X (LCD_WIDTH / DELTA)
#define LCD_SHIFT_Y (LCD_HEIGHT / DELTA)
#define X_DELTA(x) (((x) * LCD_WIDTH) / DELTA)
#define Y_DELTA(y) (((y) * LCD_HEIGHT) / DELTA)
struct fractal_rect
{
int px_min;