1 files changed, 18 insertions, 0 deletions
diff --git a/src/viewport.h b/src/viewport.h
index 5e5bc24..417bf93 100644
--- a/src/viewport.h
+++ b/src/viewport.h
@@ -42,6 +42,12 @@ void imv_viewport_get_offset(struct imv_viewport *view, int *x, int *y);
 /* Fetch viewport scale */
 void imv_viewport_get_scale(struct imv_viewport *view, double *scale);
 
+/* Fetch viewport rotation */
+void imv_viewport_get_rotation(struct imv_viewport *view, double *rotation);
+
+/* Fetch viewport mirror status */
+void imv_viewport_get_mirrored(struct imv_viewport *view, bool *mirrored);
+
 /* Set the default pan_factor factor for the x and y position */
 void imv_viewport_set_default_pan_factor(struct imv_viewport *view, double pan_factor_x, double pan_factor_y);
 
@@ -55,6 +61,18 @@ void imv_viewport_move(struct imv_viewport *view, int x, int y,
 void imv_viewport_zoom(struct imv_viewport *view, const struct imv_image *image,
                        enum imv_zoom_source, int mouse_x, int mouse_y, int amount);
 
+/* Rotate the view by the given number of degrees */
+void imv_viewport_rotate(struct imv_viewport *view, double degrees);
+
+/* Rotate the view to the given number of degrees */
+void imv_viewport_rotate_to(struct imv_viewport *view, double degrees);
+
+/* Flip horizontally (across vertical axis) */
+void imv_viewport_flip_h(struct imv_viewport *view);
+
+/* Flip vertically (across horizontal axis) */
+void imv_viewport_flip_v(struct imv_viewport *view);
+
 /* Recenter the view to be in the middle of the image */
 void imv_viewport_center(struct imv_viewport *view,
                          const struct imv_image *image);