diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/tiff.rs | 62 |
1 files changed, 31 insertions, 31 deletions
diff --git a/src/tiff.rs b/src/tiff.rs index 11755b6..34430ab 100644 --- a/src/tiff.rs +++ b/src/tiff.rs @@ -133,6 +133,37 @@ pub fn read(tiff_ptr: *mut TIFF) -> Vec<u8> { total_buf } +pub fn as_standard_format(tiff_file_name: &str) -> Option<Vec<u32>> { + if let Some(tiff) = open(tiff_file_name) { + let width_opt = get_image_width(tiff); + let height_opt = get_image_height(tiff); + let channels = get_image_channels(tiff); + if (width_opt == None) || (height_opt == None) { + return None; + } + if (channels == 0) || (channels > 4) { + return None + } + let width = width_opt.expect("Width Prechecked"); + let height = height_opt.expect("Height Prechecked"); + let mut standard_buffer = vec![0u32; (width*height) as usize]; + let tiff_data = read(tiff); + for x in 0..width { + for y in 0..height { + for c in 0..channels { + let data: u8 = tiff_data[c + channels * (x + width * y)]; + let data: u32 = (data << (8 * c)) as u32; + standard_buffer[x + width*y] += data; + } + } + } + close(tiff); + return Some(standard_buffer); + } + // Otherwise + return None; +} + #[cfg(test)] mod tests { use super::*; @@ -172,34 +203,3 @@ mod tests { } } } - -pub fn as_standard_format(tiff_file_name: &str) -> Option<Vec<u32>> { - if let Some(tiff) = open(tiff_file_name) { - let width_opt = get_image_width(tiff); - let height_opt = get_image_height(tiff); - let channels = get_image_channels(tiff); - if (width_opt == None) || (height_opt == None) { - return None; - } - if (channels == 0) || (channels > 4) { - return None - } - let width = width_opt.expect("Width Prechecked"); - let height = height_opt.expect("Height Prechecked"); - let mut standard_buffer = vec![0u32; (width*height) as usize]; - let tiff_data = read(tiff); - for x in 0..width { - for y in 0..height { - for c in 0..channels { - let data: u8 = tiff_data[c + channels * (x + width * y)]; - let data: u32 = (data << (8 * c)) as u32; - standard_buffer[x + width*y] += data; - } - } - } - close(tiff); - return Some(standard_buffer); - } - // Otherwise - return None; -} |