jyapayne/glymur
1
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

'cmap' - correct stride interpreting CMP,MTYP,PCOL

Browse source 
Fix for number of components different from 3
This commit is contained in:
bogdanni 2014-03-18 15:22:40 +01:00
commit 844540df92
1 changed files with 3 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

6
glymur/jp2box.py
View file

@ -879,9 +879,9 @@ class ComponentMappingBox(Jp2kBox):
read_buffer = fptr.read(num_bytes) read_buffer = fptr.read(num_bytes)
data = struct.unpack('>' + 'HBB' * num_components, read_buffer) data = struct.unpack('>' + 'HBB' * num_components, read_buffer)
component_index = data[0:num_bytes:num_components] component_index = data[0:num_bytes:3]
mapping_type = data[1:num_bytes:num_components] mapping_type = data[1:num_bytes:3]
palette_index = data[2:num_bytes:num_components] palette_index = data[2:num_bytes:3]
box = ComponentMappingBox(component_index, mapping_type, palette_index, box = ComponentMappingBox(component_index, mapping_type, palette_index,
length=length, offset=offset) length=length, offset=offset)