Introduce fz_irect where the old fz_bbox was useful.

Inside the renderer we often deal with integer sized areas, for
pixmaps and scissoring regions. Use a new fz_irect type in these
places.

2 files changed, 4 insertions, 3 deletions

diff --git a/doc/example.c b/doc/example.c
index b834e3ff..d1e4798f 100644
--- a/doc/example.c
+++ b/doc/example.c
@@ -41,8 +41,8 @@ render(char *filename, int pagenumber, int zoom, int rotation)
 	// Take the page bounds and transform them by the same matrix that
 	// we will use to render the page.
 
-	fz_rect bbox = fz_bound_page(doc, page);
-	bbox = fz_transform_rect(transform, rect);
+	fz_rect bounds = fz_bound_page(doc, page);
+	bounds = fz_transform_rect(transform, rect);
 
 	// Create a blank pixmap to hold the result of rendering. The
 	// pixmap bounds used here are the same as the transformed page
@@ -50,6 +50,7 @@ render(char *filename, int pagenumber, int zoom, int rotation)
 	// space has the origin at the top left corner and the x axis
 	// extends to the right and the y axis extends down.
 
+	fz_irect bbox = fz_round_rect(bounds);
 	fz_pixmap *pix = fz_new_pixmap_with_bbox(ctx, fz_device_rgb, bbox);
 	fz_clear_pixmap_with_value(ctx, pix, 0xff);
 
diff --git a/doc/multi-threaded.c b/doc/multi-threaded.c
index b54beb81..af4bab97 100644
--- a/doc/multi-threaded.c
+++ b/doc/multi-threaded.c
@@ -201,7 +201,7 @@ int main(int argc, char **argv)
 
 		// Create a white pixmap using the correct dimensions.
 
-		fz_pixmap *pix = fz_new_pixmap_with_bbox(ctx, fz_device_rgb, bbox);
+		fz_pixmap *pix = fz_new_pixmap_with_bbox(ctx, fz_device_rgb, fz_round_rect(bbox));
 		fz_clear_pixmap_with_value(ctx, pix, 0xff);
 
 		// Populate the data structure to be sent to the