* This software comes with no warranty of any kind, use at your own risk!
*/
-#include "main.h"
+#include "main.h"
#include "jpeg_parser.h"
-gboolean jpeg_segment_find(guchar *data, guint size,
+gboolean jpeg_segment_find(const guchar *data, guint size,
guchar app_marker, const gchar *magic, guint magic_len,
guint *seg_offset, guint *seg_length)
{
-guint16 tiff_byte_get_int16(guchar *f, TiffByteOrder bo)
+guint16 tiff_byte_get_int16(const guchar *f, TiffByteOrder bo)
{
guint16 align_buf;
return GUINT16_FROM_BE(align_buf);
}
-guint32 tiff_byte_get_int32(guchar *f, TiffByteOrder bo)
+guint32 tiff_byte_get_int32(const guchar *f, TiffByteOrder bo)
{
guint32 align_buf;
memcpy(f, &align_buf, sizeof(guint32));
}
-gint tiff_directory_offset(guchar *data, const guint len,
+gint tiff_directory_offset(const guchar *data, const guint len,
guint *offset, TiffByteOrder *bo)
{
if (len < 8) return FALSE;
return (*offset < len);
}
-typedef gint (* FuncParseIFDEntry)(guchar *tiff, guint offset,
+typedef gint (* FuncParseIFDEntry)(const guchar *tiff, guint offset,
guint size, TiffByteOrder bo,
gpointer data);
-gint tiff_parse_IFD_table(guchar *tiff, guint offset,
+gint tiff_parse_IFD_table(const guchar *tiff, guint offset,
guint size, TiffByteOrder bo,
guint *next_offset,
FuncParseIFDEntry parse_entry, gpointer data)
return 0;
}
-static gint mpo_parse_Index_IFD_entry(guchar *tiff, guint offset,
+static gint mpo_parse_Index_IFD_entry(const guchar *tiff, guint offset,
guint size, TiffByteOrder bo,
gpointer data)
{
data_val = tiff_byte_get_int32(tiff + offset + TIFF_TIFD_OFFSET_DATA, bo);
DEBUG_1(" tag %x format %x count %x data_val %x", tag, format, count, data_val);
- if (tag == 0xb000)
- {
- mpo->version = data_val;
+ if (tag == 0xb000)
+ {
+ mpo->version = data_val;
DEBUG_1(" mpo version %x", mpo->version);
- }
- else if (tag == 0xb001)
- {
- mpo->num_images = data_val;
+ }
+ else if (tag == 0xb001)
+ {
+ mpo->num_images = data_val;
DEBUG_1(" num images %x", mpo->num_images);
- }
+ }
else if (tag == 0xb002)
{
guint i;
mpo->images[i].dep1 = tiff_byte_get_int16(tiff + data_offset + i * 16 + 12, bo);
mpo->images[i].dep2 = tiff_byte_get_int16(tiff + data_offset + i * 16 + 14, bo);
- if (i == 0)
+ if (i == 0)
{
mpo->images[i].offset = 0;
}
else
{
- mpo->images[i].offset += mpo->mpo_offset;
- }
+ mpo->images[i].offset += mpo->mpo_offset;
+ }
DEBUG_1(" image %x %x %x", image_attr, mpo->images[i].length, mpo->images[i].offset);
}
return 0;
}
-static gint mpo_parse_Attributes_IFD_entry(guchar *tiff, guint offset,
+static gint mpo_parse_Attributes_IFD_entry(const guchar *tiff, guint offset,
guint size, TiffByteOrder bo,
gpointer data)
{
guint format;
guint count;
guint data_val;
- guint data_offset;
- guint data_length;
MPOEntry *mpe = data;
data_val = tiff_byte_get_int32(tiff + offset + TIFF_TIFD_OFFSET_DATA, bo);
DEBUG_1(" tag %x format %x count %x data_val %x", tag, format, count, data_val);
- switch (tag)
- {
- case 0xb000:
- mpe->MPFVersion = data_val;
+ switch (tag)
+ {
+ case 0xb000:
+ mpe->MPFVersion = data_val;
DEBUG_1(" mpo version %x", data_val);
- break;
- case 0xb101:
- mpe->MPIndividualNum = data_val;
+ break;
+ case 0xb101:
+ mpe->MPIndividualNum = data_val;
DEBUG_1(" Individual Image Number %x", mpe->MPIndividualNum);
- break;
- case 0xb201:
- mpe->PanOrientation = data_val;
- break;
+ break;
+ case 0xb201:
+ mpe->PanOrientation = data_val;
+ break;
/*
FIXME:
Collimation Axis Distance AxisDistance_Z 45578 B20A SRATIONAL 1
Yaw Angle YawAngle 45579 B20B SRATIONAL 1
Pitch Angle PitchAngle 45580 B20C SRATIONAL 1
-Roll Angle RollAngle 45581 B20D
- */
- default:
+Roll Angle RollAngle 45581 B20D
+ */
+ default:
break;
}
return 0;
}
-MPOData *jpeg_get_mpo_data(guchar *data, guint size)
+MPOData *jpeg_get_mpo_data(const guchar *data, guint size)
{
guint seg_offset;
guint seg_size;
MPOData *mpo;
guint i;
- DEBUG_1("mpo signature found at %x", seg_offset);
+ DEBUG_1("mpo signature found at %x", seg_offset);
seg_offset += 4;
seg_size -= 4;
for (i = 0; i < mpo->num_images; i++)
{
- if (i == 0)
+ if (i == 0)
{
offset = next_offset;
}
seg_offset += 4;
seg_size -= 4;
- if (!tiff_directory_offset(data + mpo->images[i].offset + seg_offset, seg_size, &offset, &bo))
+ if (!tiff_directory_offset(data + mpo->images[i].offset + seg_offset, seg_size, &offset, &bo))
{
DEBUG_1("MPO image %d: invalid directory offset", i);
continue;
if (mpo->images) g_free(mpo->images);
g_free(mpo);
}
-}
\ No newline at end of file
+}
+
+
+/* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */