diff options
| -rw-r--r-- | config.h | 3 | ||||
| -rw-r--r-- | xnap.c | 27 |
2 files changed, 12 insertions, 18 deletions
@@ -1,4 +1,3 @@ #include <X11/cursorfont.h> -static int cursor_font = XC_heart; -static const char* save_path = "/path/to/your/screenshots"; +static const unsigned int cursor_font = XC_heart; @@ -27,7 +27,7 @@ struct pointer_t { unsigned char channel(unsigned long px, Mask m); void compimg(void); void die(const char* s); -void mkppm(const char* path, XImage* img); +void mkppm(XImage* img); void quit(Bool ex); void run(void); void setup(void); @@ -74,11 +74,14 @@ void compimg(void) int rw = MAX(p.x0, p.x1) - rx; int rh = MAX(p.y0, p.y1) - ry; + if (rw <= 0 || rh <= 0) + die("empty selection"); + img = XGetImage(dpy, root, rx, ry, rw, rh, AllPlanes, ZPixmap); if (!img) die("XGetImage failed"); - mkppm("img.ppm", img); + mkppm(img); XDestroyImage(img); quit(True); } @@ -89,29 +92,21 @@ void die(const char* s) exit(EXIT_FAILURE); } -void mkppm(const char* path, XImage* img) +void mkppm(XImage* img) { - FILE* f = fopen(path, "w"); - if (!f) - die("fopen failed"); + FILE* out = stdout; /* write ppm metadata header */ - fprintf(f, "P6\n%d %d\n255\n", img->width, img->height); + fprintf(out, "P6\n%d %d\n255\n", img->width, img->height); for (int y = 0; y < img->height; y++) { for (int x = 0; x < img->width; x++) { unsigned long px = XGetPixel(img, x, y); - unsigned char r = channel(px, img->red_mask); - unsigned char g = channel(px, img->green_mask); - unsigned char b = channel(px, img->blue_mask); - - fputc(r, f); - fputc(g, f); - fputc(b, f); + fputc(channel(px, img->red_mask), out); + fputc(channel(px, img->green_mask), out); + fputc(channel(px, img->blue_mask), out); } } - - fclose(f); } void quit(Bool ex) |