1 files changed, 110 insertions, 0 deletions
diff --git a/plug-ins/file-ico/ico.h b/plug-ins/file-ico/ico.h
new file mode 100644
index 0000000..65a217c
--- /dev/null
+++ b/plug-ins/file-ico/ico.h
@@ -0,0 +1,110 @@
+/* GIMP - The GNU Image Manipulation Program
+ * Copyright (C) 1995-1997 Spencer Kimball and Peter Mattis
+ *
+ * GIMP Plug-in for Windows Icon files.
+ * Copyright (C) 2002 Christian Kreibich <christian@whoop.org>.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+#ifndef __ICO_H__
+#define __ICO_H__
+
+
+#ifdef ICO_DBG
+#define D(x) \
+{ \
+  printf("ICO plugin: "); \
+  printf x; \
+}
+#else
+#define D(x)
+#endif
+
+#define PLUG_IN_BINARY      "file-ico"
+#define PLUG_IN_ROLE        "gimp-file-ico"
+
+#define ICO_PNG_MAGIC       0x474e5089
+#define ICO_ALPHA_THRESHOLD 127
+#define ICO_MAXBUF          4096
+
+
+typedef struct _IcoFileHeader
+{
+  guint16   reserved;
+  guint16   resource_type;
+  guint16   icon_count;
+} IcoFileHeader;
+
+typedef struct _IcoFileEntry
+{
+  guint8        width;      /* Width of icon in pixels */
+  guint8        height;    /* Height of icon in pixels */
+  guint8        num_colors; /* Number of colors of paletted image */
+  guint8        reserved;   /* Must be 0 */
+  guint16       planes;     /* Must be 1 */
+  guint16       bpp;        /* 1, 4, 8, 24 or 32 bits per pixel */
+  guint32       size;       /* Size of icon (including data header) */
+  guint32       offset;     /* Absolute offset of data in a file */
+ } IcoFileEntry;
+
+typedef struct _IcoFileDataHeader
+{
+  guint32       header_size; /* 40 bytes */
+  guint32       width;       /* Width of image in pixels */
+  guint32       height;      /* Height of image in pixels */
+  guint16       planes;      /* Must be 1 */
+  guint16       bpp;
+  guint32       compression; /* Not used for icons */
+  guint32       image_size;  /* Size of image (without this header) */
+  guint32       x_res;
+  guint32       y_res;
+  guint32       used_clrs;
+  guint32       important_clrs;
+} IcoFileDataHeader;
+
+
+typedef struct _IcoLoadInfo
+{
+    guint    width;
+    guint    height;
+    gint     bpp;
+    gint     offset;
+    gint     size;
+} IcoLoadInfo;
+
+typedef struct _IcoSaveInfo
+{
+    gint        *depths;
+    gint        *default_depths;
+    gboolean    *compress;
+    gint        *layers;
+    gint         num_icons;
+} IcoSaveInfo;
+
+
+/* Miscellaneous helper functions below: */
+
+gint     ico_rowstride (gint width,
+                        gint bpp);
+
+/* Allocates a 32-bit padded bitmap for various color depths.
+   Returns the allocated array directly, and the length of the
+   array in the len pointer */
+guint8 * ico_alloc_map  (gint     width,
+                         gint     height,
+                         gint     bpp,
+                         gint    *len);
+
+#endif /* __ICO_H__ */