1 files changed, 96 insertions, 0 deletions
diff --git a/include/pdp_bitmap.h b/include/pdp_bitmap.h
new file mode 100644
index 0000000..3fddc25
--- /dev/null
+++ b/include/pdp_bitmap.h
@@ -0,0 +1,96 @@
+/*
+ *   Pure Data Packet system implementation. 8 bit image packet interface
+ *   Copyright (c) by Tom Schouten <pdp@zzz.kotnet.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 2 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, write to the Free Software
+ *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+
+/*
+  This file contains methods for the image packets
+  pdp_packet_new_* methods are several image packet constructors
+
+  It also contains some pdp_type_ methods, for type checking
+  and conversion.
+
+*/
+
+#ifndef PDP_BITMAP_H
+#define PDP_BITMAP_H
+
+
+
+/* bitmap  data packet */   
+typedef struct _bitmap
+{
+    /* standard images */
+    unsigned int encoding;    /* image encoding (fourcc data format) */
+    unsigned int width;       /* image width in pixels */
+    unsigned int height;      /* image height in pixels */
+    unsigned int bpp;         /* bits per pixel (0 == standard) */
+
+} t_bitmap;
+
+
+
+/* supported encodings (fourcc) */
+
+/* special */
+#define PDP_BITMAP_RGB  0x32424752
+#define PDP_BITMAP_RGBA 0x41424752
+#define PDP_BITMAP_GREY 0x59455247
+
+/* packet yuv */
+#define PDP_BITMAP_YUY2 0x32595559
+#define PDP_BITMAP_UYVY 0x59565955
+
+/* planar yuv */
+#define PDP_BITMAP_I420 0x30323449
+#define PDP_BITMAP_YV12 0x32315659
+
+
+/* all symbols are C style */
+#ifdef __cplusplus
+extern "C"
+{
+#endif
+
+
+
+/* bitmap constructors*/
+int pdp_packet_new_bitmap_yv12(u32 width, u32 height);
+int pdp_packet_new_bitmap_grey(u32 width, u32 height);
+int pdp_packet_new_bitmap_rgb(u32 width, u32 height);
+int pdp_packet_new_bitmap_rgba(u32 width, u32 height);
+int pdp_packet_new_bitmap(int type, u32 width, u32 height);
+
+/* utility methids */
+void pdp_packet_bitmap_flip_top_bottom(int packet);
+
+
+/* get description */
+t_pdp_symbol *pdp_packet_bitmap_get_description(int packet);
+
+/* get subheader */
+t_bitmap *pdp_packet_bitmap_info(int packet);
+
+bool pdp_packet_bitmap_isvalid(int packet);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif