1 files changed, 129 insertions, 0 deletions

diff --git a/src/others/mimesh/libg3d-0.0.8/plugins/image/img_bmp.c b/src/others/mimesh/libg3d-0.0.8/plugins/image/img_bmp.c
new file mode 100644
index 0000000..827997a
--- /dev/null
+++ b/src/others/mimesh/libg3d-0.0.8/plugins/image/img_bmp.c
@@ -0,0 +1,129 @@
+/* $Id$ */
+
+/*
+    libg3d - 3D object loading library
+
+    Copyright (C) 2005-2009  Markus Dahms <mad@automagically.de>
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Lesser General Public
+    License as published by the Free Software Foundation; either
+    version 2.1 of the License, or (at your option) any later version.
+
+    This library 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
+    Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public
+    License along with this library; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+*/
+
+#include <stdio.h>
+#include <string.h>
+#include <errno.h>
+
+#include <g3d/types.h>
+#include <g3d/stream.h>
+
+EAPI
+gboolean plugin_load_image_from_stream(G3DContext *context, G3DStream *stream,
+        G3DImage *image, gpointer user_data)
+{
+        guint32 filesize, offset, headsize, compression;
+        gint32 x, y, i;
+        guint32 ncolplanes, c;
+
+        /* bitmap file always starts with 'BM' */
+        if(g3d_stream_read_int16_le(stream) != ('B' | ('M' << 8))) {
+                g_warning("bitmap magic not found: image seems to be corrupt\n");
+                return FALSE;
+        }
+
+        image->name = g_strdup(stream->uri);
+
+        filesize = g3d_stream_read_int32_le(stream);      /* file size */
+        g3d_stream_read_int32_le(stream);                 /* 2 x UINT16 reserved */
+        offset   = g3d_stream_read_int32_le(stream);      /* offset of data */
+        headsize = g3d_stream_read_int32_le(stream);      /* size of header */
+        image->width  = g3d_stream_read_int32_le(stream); /* width */
+        image->height = g3d_stream_read_int32_le(stream); /* height */
+        ncolplanes = g3d_stream_read_int16_le(stream);    /* num of color planes */
+        image->depth  = g3d_stream_read_int16_le(stream); /* bits per pixel */
+        compression   = g3d_stream_read_int32_le(stream); /* compression */
+        g3d_stream_read_int32_le(stream);                 /* image size */
+        g3d_stream_read_int32_le(stream);                 /* v/res (dpi) */
+        g3d_stream_read_int32_le(stream);                 /* h/res (dpi) */
+
+#if DEBUG > 0
+        g_debug("BMP: %dx%dx%d (%d, 0x%x)", image->width, image->height,
+                image->depth, ncolplanes, compression);
+#endif
+
+        g3d_stream_seek(stream, offset, G_SEEK_SET);
+
+#define ALL32BIT
+#ifndef ALL32BIT /* always 32bit for now.. */
+        image->pixeldata = g_new0(guint8,
+                image->width * image->height * (image->depth / 8));
+#else
+        image->pixeldata = g_new0(guint8, image->width * image->height * 4);
+#endif
+
+        for(y = (image->height - 1); y >= 0; y --) {
+                for(x = 0; x < image->width; x ++) {
+                        switch(image->depth) {
+                                case 8:
+#ifndef ALL32BIT
+                                        image->pixeldata[y * image->width + x] =
+                                                g3d_stream_read_int8(stream);
+#else
+                                        c = g3d_stream_read_int8(stream);
+                                        for(i = 0; i < 3; i ++)
+                                                image->pixeldata[(y * image->width + x) * 4 + i] = c;
+                                        image->pixeldata[(y * image->width + x) * 4 + 3] = 0xFF;
+#endif
+                                        break;
+                                case 24:
+#if 1
+                                        /* read BGR */
+                                        for(i = 2; i >= 0; i --)
+#else
+                                        for(i = 0; i < 3; i ++)
+#endif
+                                                image->pixeldata[(y * image->width + x) * 4 + i] =
+                                                        g3d_stream_read_int8(stream);
+                                        image->pixeldata[(y * image->width + x) * 4 + 3] = 0xFF;
+                                        break;
+                                default:
+                                        break;
+                        }
+                } /* x */
+#if 1
+                /* padding */
+                for(i = x; i < ((image->width + 3) & ~(3)); i ++)
+                        g3d_stream_read_int8(stream);
+#endif
+        } /* y */
+        image->depth = 32;
+#if DEBUG > 2
+        g_debug("bitmap successfully loaded");
+#endif
+
+        return TRUE;
+}
+
+EAPI
+gchar *plugin_description(G3DContext *context)
+{
+        return g_strdup("Windows Bitmap images.\n"
+                "Author: Markus Dahms");
+}
+
+EAPI
+gchar **plugin_extensions(G3DContext *context)
+{
+        return g_strsplit("bmp", ":", 0);
+}
+