From 8dcb54705aed7175c91d991486552d497a2e861e Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Bert=20M=C3=BCnnich?= <ber.t@gmx.com>
Date: Sun, 16 Oct 2011 18:31:01 +0200
Subject: [PATCH] Fixed pixel-wise panning by chaning x, y vars to float

---
 image.c | 16 ++++++++--------
 image.h |  6 +++---
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/image.c b/image.c
index ffed8f4..8df02ec 100644
--- a/image.c
+++ b/image.c
@@ -554,8 +554,8 @@ bool img_zoom_out(img_t *img) {
 	return false;
 }
 
-bool img_move(img_t *img, int dx, int dy) {
-	int ox, oy;
+bool img_move(img_t *img, float dx, float dy) {
+	float ox, oy;
 
 	if (img == NULL || img->im == NULL)
 		return false;
@@ -581,13 +581,13 @@ bool img_pan(img_t *img, direction_t dir, int d) {
 	 * d = 0: 1/5 of screen
 	 * d > 0: num of pixels
 	 */
-	int x, y;
+	float x, y;
 
 	if (img == NULL || img->im == NULL || img->win == NULL)
 		return false;
 
 	if (d > 0) {
-		x = y = MAX(1, d * img->zoom);
+		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);
@@ -595,13 +595,13 @@ bool img_pan(img_t *img, direction_t dir, int d) {
 
 	switch (dir) {
 		case DIR_LEFT:
-			return img_move(img, x, 0);
+			return img_move(img, x, 0.0);
 		case DIR_RIGHT:
-			return img_move(img, -x, 0);
+			return img_move(img, -x, 0.0);
 		case DIR_UP:
-			return img_move(img, 0, y);
+			return img_move(img, 0.0, y);
 		case DIR_DOWN:
-			return img_move(img, 0, -y);
+			return img_move(img, 0.0, -y);
 	}
 	return false;
 }
diff --git a/image.h b/image.h
index 19ee37f..51593e6 100644
--- a/image.h
+++ b/image.h
@@ -43,8 +43,8 @@ typedef struct {
 	int h;
 
 	win_t *win;
-	int x;
-	int y;
+	float x;
+	float y;
 
 	scalemode_t scalemode;
 	float zoom;
@@ -75,7 +75,7 @@ bool img_zoom(img_t*, float);
 bool img_zoom_in(img_t*);
 bool img_zoom_out(img_t*);
 
-bool img_move(img_t*, int, int);
+bool img_move(img_t*, float, float);
 bool img_pan(img_t*, direction_t, int);
 bool img_pan_edge(img_t*, direction_t);