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authorwdenk <wdenk>2003-04-20 16:52:09 +0000
committerwdenk <wdenk>2003-04-20 16:52:09 +0000
commit059ae173e93a4a0aa698ce1e2d87d33cc55cf8c0 (patch)
tree2eb520e6a89a978a9aa4eb2666eac0fadfcc7539 /include/bmp_layout.h
parent824a1ebffece80586d52c343b2f451086154dff8 (diff)
downloadu-boot-linaro-stable-059ae173e93a4a0aa698ce1e2d87d33cc55cf8c0.tar.gz
Add files needed for bitmap load support
Diffstat (limited to 'include/bmp_layout.h')
-rw-r--r--include/bmp_layout.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/include/bmp_layout.h b/include/bmp_layout.h
new file mode 100644
index 000000000..7285a264d
--- /dev/null
+++ b/include/bmp_layout.h
@@ -0,0 +1,77 @@
+/* (C) Copyright 2002
+ * Detlev Zundel, DENX Software Engineering, dzu@denx.de.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+/************************************************************************/
+/* ** Layout of a bmp file */
+/************************************************************************/
+
+#ifndef _BMP_H_
+#define _BMP_H_
+
+typedef struct bmp_color_table_entry {
+ __u8 blue;
+ __u8 green;
+ __u8 red;
+ __u8 reserved;
+} __attribute__((packed)) bmp_color_table_entry_t;
+
+/* When accessing these fields, remember that they are stored in little
+ endian format, so use linux macros, e.g. le32_to_cpu(width) */
+
+typedef struct bmp_header {
+ /* Header */
+ char signature[2];
+ __u32 file_size;
+ __u32 reserved;
+ __u32 data_offset;
+ /* InfoHeader */
+ __u32 size;
+ __u32 width;
+ __u32 height;
+ __u16 planes;
+ __u16 bit_count;
+ __u32 compression;
+ __u32 image_size;
+ __u32 x_pixels_per_m;
+ __u32 y_pixels_per_m;
+ __u32 colors_used;
+ __u32 colors_important;
+ /* ColorTable */
+
+} __attribute__((packed)) bmp_header_t;
+
+typedef struct bmp_image {
+ bmp_header_t header;
+ /* We use a zero sized array just as a placeholder for variable
+ sized array */
+ bmp_color_table_entry_t color_table[0];
+} bmp_image_t;
+
+/* Data in the bmp_image is aligned to this length */
+#define BMP_DATA_ALIGN 4
+
+/* Constants for the compression field */
+#define BMP_BI_RGB 0
+#define BMP_BI_RLE8 1
+#define BMP_BI_RLE4 2
+
+#endif /* _BMP_H_ */