diff options
Diffstat (limited to 'libdimension/dimension/canvas.h')
| -rw-r--r-- | libdimension/dimension/canvas.h | 16 |
1 files changed, 3 insertions, 13 deletions
diff --git a/libdimension/dimension/canvas.h b/libdimension/dimension/canvas.h index 50cc612..cd414a9 100644 --- a/libdimension/dimension/canvas.h +++ b/libdimension/dimension/canvas.h @@ -25,8 +25,6 @@ #ifndef DIMENSION_CANVAS_H #define DIMENSION_CANVAS_H -#include <pthread.h> - typedef struct { unsigned int x, y; @@ -35,26 +33,18 @@ typedef struct { * at (a,b) is accessible as pixels[b*x + a]. */ dmnsn_color *pixels; - - /* Read-write locks for each pixel */ - pthread_rwlock_t *rwlocks; } dmnsn_canvas; /* Allocate and free a canvas */ dmnsn_canvas *dmnsn_new_canvas(unsigned int x, unsigned int y); void dmnsn_delete_canvas(dmnsn_canvas *canvas); -/* These handle the rwlocks correctly */ +/* Pixel accessors */ dmnsn_color dmnsn_get_pixel(const dmnsn_canvas *canvas, unsigned int x, unsigned int y); void dmnsn_set_pixel(dmnsn_canvas *canvas, unsigned int x, unsigned int y, dmnsn_color color); - -/* Manual locking */ -void dmnsn_rdlock_pixel(const dmnsn_canvas *canvas, - unsigned int x, unsigned int y); -void dmnsn_wrlock_pixel(dmnsn_canvas *canvas, unsigned int x, unsigned int y); -void dmnsn_unlock_pixel(const dmnsn_canvas *canvas, - unsigned int x, unsigned int y); +dmnsn_color *dmnsn_pixel_at(dmnsn_canvas *canvas, + unsigned int x, unsigned int y); #endif /* DIMENSION_CANVAS_H */ |