tRound instead of casting; allow to make window smaller than 500x500 - croptool - Image cropping tool
HTML git clone git://lumidify.org/croptool.git
DIR Log
DIR Files
DIR Refs
DIR README
---
DIR commit 50b1f64a9a348f88ec9b54771936a8936c927891
DIR parent 6bf921b112f844413c2ded7bb9b582cf440ec0fd
HTML Author: lumidify <nobody@lumidify.org>
Date: Thu, 16 Apr 2020 08:34:30 +0200
Round instead of casting; allow to make window smaller than 500x500
Diffstat:
M croptool.c | 19 ++++++++++---------
1 file changed, 10 insertions(+), 9 deletions(-)
---
DIR diff --git a/croptool.c b/croptool.c
t@@ -17,6 +17,7 @@
#include <stdio.h>
#include <limits.h>
#include <stdlib.h>
+#include <math.h>
#include <gtk/gtk.h>
#include <cairo/cairo.h>
#include <gdk/gdkkeysyms.h>
t@@ -117,7 +118,7 @@ int main(int argc, char *argv[]) {
window = gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_title(GTK_WINDOW(window), "croptool");
- gtk_widget_set_size_request(window, 500, 500);
+ gtk_window_set_default_size(GTK_WINDOW(window), 500, 500);
g_signal_connect(G_OBJECT(window), "destroy", G_CALLBACK(destroy), NULL);
GtkWidget *area = gtk_drawing_area_new();
t@@ -181,10 +182,10 @@ print_selection(struct Selection *sel, const char *filename) {
int x0 = sel->rect.x0, y0 = sel->rect.y0;
int x1 = sel->rect.x1, y1 = sel->rect.y1;
sort_coordinates(&x0, &y0, &x1, &y1);
- x0 = (int)(x0 * scale);
- y0 = (int)(y0 * scale);
- x1 = (int)(x1 * scale);
- y1 = (int)(y1 * scale);
+ x0 = round(x0 * scale);
+ y0 = round(y0 * scale);
+ x1 = round(x1 * scale);
+ y1 = round(y1 * scale);
/* The box is completely outside of the picture. */
if (x0 >= sel->orig_w || y0 >= sel->orig_h)
return;
t@@ -424,10 +425,10 @@ change_picture(
* This only takes width into account because the
* aspect ratio should have been preserved anyways */
double scale = (double)actual_w / sel->scaled_w;
- sel->rect.x0 = (int)(sel->rect.x0 * scale);
- sel->rect.y0 = (int)(sel->rect.y0 * scale);
- sel->rect.x1 = (int)(sel->rect.x1 * scale);
- sel->rect.y1 = (int)(sel->rect.y1 * scale);
+ sel->rect.x0 = round(sel->rect.x0 * scale);
+ sel->rect.y0 = round(sel->rect.y0 * scale);
+ sel->rect.x1 = round(sel->rect.x1 * scale);
+ sel->rect.y1 = round(sel->rect.y1 * scale);
sel->scaled_w = actual_w;
sel->scaled_h = actual_h;
}