Changeset 2755 for libpipiTweet

Timestamp:

Aug 23, 2008, 11:11:20 AM (14 years ago)

Author:

Sam Hocevar

Message:

• Rename --rgb into --combine and add --split. Basic per-channel operations are now possible:

pipi src.png --split --contrast -.2 --combine -o dest.png

Location:

libpipi/trunk

Files:

• pipi/context.c (modified) (1 diff)
• src/pipi.c (modified) (1 diff)

libpipi/trunk/pipi/context.c

@@ -374 +374 @@
         pipi_free(tmp);
     }
-    else if(!strcmp(cmd, "rgb"))
+    else if(!strcmp(cmd, "split"))
+    {
+        pipi_image_t *src;
+
+        if(ctx->nimages < 1)
+            return -1;
+        src = ctx->images[ctx->nimages - 1];
+        ctx->nimages += 2;
+        ctx->images[ctx->nimages - 3] = pipi_red(src);
+        ctx->images[ctx->nimages - 2] = pipi_green(src);
+        ctx->images[ctx->nimages - 1] = pipi_blue(src);
+        pipi_free(src);
+    }
+    else if(!strcmp(cmd, "combine"))
     {
         pipi_image_t *dst;

libpipi/trunk/src/pipi.c

@@ -169 +169 @@
                 return EXIT_FAILURE;
         }
-        else if(!strcmp(argv[0], "--rgb"))
-        {
-            if(pipi_command(ctx, "rgb") != 0)
+        else if(!strcmp(argv[0], "--combine"))
+        {
+            if(pipi_command(ctx, "combine") != 0)
+                return EXIT_FAILURE;
+        }
+        else if(!strcmp(argv[0], "--split"))
+        {
+            if(pipi_command(ctx, "split") != 0)
                 return EXIT_FAILURE;
         }