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-rw-r--r--plug-ins/file-ico/ico.h110
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diff --git a/plug-ins/file-ico/ico.h b/plug-ins/file-ico/ico.h
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+++ b/plug-ins/file-ico/ico.h
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+/* 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__ */