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-rw-r--r--config.def.h3
-rw-r--r--image.c6
2 files changed, 6 insertions, 3 deletions
diff --git a/config.def.h b/config.def.h
index bfa1338..e211c0d 100644
--- a/config.def.h
+++ b/config.def.h
@@ -40,6 +40,9 @@ enum { SLIDESHOW_DELAY = 5 };
static const double GAMMA_MAX = 10.0;
static const int GAMMA_RANGE = 32;
+/* command i_scroll pans image 1/PAN_FRACTION of screen width/height */
+static const int PAN_FRACTION = 5;
+
/* if false, pixelate images at zoom level != 100%,
* toggled with 'a' key binding
*/
diff --git a/image.c b/image.c
index 6967b3d..36a232e 100644
--- a/image.c
+++ b/image.c
@@ -590,7 +590,7 @@ bool img_move(img_t *img, float dx, float dy)
bool img_pan(img_t *img, direction_t dir, int d)
{
/* d < 0: screen-wise
- * d = 0: 1/5 of screen
+ * d = 0: 1/PAN_FRACTION of screen
* d > 0: num of pixels
*/
float x, y;
@@ -598,8 +598,8 @@ bool img_pan(img_t *img, direction_t dir, int d)
if (d > 0) {
x = y = MAX(1, (float) d * img->zoom);
} else {
- x = img->win->w / (d < 0 ? 1 : 5);
- y = img->win->h / (d < 0 ? 1 : 5);
+ x = img->win->w / (d < 0 ? 1 : PAN_FRACTION);
+ y = img->win->h / (d < 0 ? 1 : PAN_FRACTION);
}
switch (dir) {