Changeset 4934 for tools/grab/main.c

Timestamp:

12/20/10 22:29:05 (13 years ago)

Author:

nit

Message:

[grab] add option -i for hight

File:

• tools/grab/main.c (modified) (5 diffs)

tools/grab/main.c

@@ -131 +131 @@
 
         int xres_v,yres_v,xres_o,yres_o,xres,yres,aspect;
-        int c,osd_only,video_only,use_osd_res,width,use_png,use_jpg,jpg_quality,no_aspect,use_letterbox;
+        int c,osd_only,video_only,use_osd_res,width,own_hight,use_png,use_jpg,jpg_quality,no_aspect,use_letterbox;
 
         // we use fast resize as standard now
         resize = &fast_resize;
         
-        osd_only=video_only=use_osd_res=width=use_png=use_jpg=no_aspect=use_letterbox=0;
+        osd_only=video_only=use_osd_res=width=own_hight=use_png=use_jpg=no_aspect=use_letterbox=0;
         jpg_quality=50;
         aspect=1;
@@ -146 +146 @@
         
         // process command line
-        while ((c = getopt (argc, argv, "dhj:lbnopr:vf:")) != -1)
+        while ((c = getopt (argc, argv, "dhj:lbnopir:vf:")) != -1)
         {
                 switch (c)
@@ -160 +160 @@
                                 printf("-n dont correct 16:9 aspect ratio\n");
                                 printf("-r (size) resize to a fixed width, maximum: 1920\n");
+                                printf("-i (size) resize to a fixed hight (only with -r), maximum: 1920\n");
                                 printf("-l always 4:3, create letterbox if 16:9\n");
                                 printf("-b use bicubic picture resize (slow but smooth)\n");
@@ -187 +188 @@
                                 {
                                         printf("[grab] Error: -r (size) ist limited to 1920 pixel !\n");
+                                        return 1;
+                                }
+                                break;
+                        case 'i': // use given resolution
+                                own_hight=atoi(optarg);
+                                if (own_hight > 1920)
+                                {
+                                        printf("[grab] Error: -i (size) ist limited to 1920 pixel !\n");
                                         return 1;
                                 }
@@ -291 +300 @@
         if (width)
         {
-                printf("[grab] Resizing Screenshot to %d x %d ...\n",width,yres*width/xres);
-                resize(output,video,xres,yres,width,(yres*width/xres),3);
-                yres=yres*width/xres;
+                if (own_hight == 0)
+                        own_hight = yres*width/xres;
+                printf("[grab] Resizing Screenshot to %d x %d ...\n",width,own_hight);
+                resize(output,video,xres,yres,width,(own_hight),3);
+                yres=own_hight;
                 xres=width;
                 memcpy(output,video,xres*yres*3);