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Rename _cairo_compress_lzw to _cairo_lzw_compress and tighten the parameter list.

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This commit is contained in:
Carl Worth 2006-03-23 15:00:40 -08:00
parent cabe94a15c
commit ec60bb0a60
3 changed files with 7 additions and 8 deletions
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8
src/cairo-lzw.c
View file

@ -460,14 +460,14 @@ cl_hash (LZWCodecState* sp)
*/
void *
_cairo_compress_lzw (void *data, unsigned long data_size, unsigned long *compressed_size)
_cairo_lzw_compress (void *data, unsigned long *data_size_in_out)
{
LZWCodecState state;
if (!LZWSetupEncode (&state))
goto bail0;
state.out_buffer_size = data_size/4;
state.out_buffer_size = *data_size_in_out/4;
/* We need *some* space at least */
if (state.out_buffer_size < 256)
state.out_buffer_size = 256;
@ -479,14 +479,14 @@ _cairo_compress_lzw (void *data, unsigned long data_size, unsigned long *compres
state.out_buffer_bytes = 0;
LZWPreEncode (&state);
if (!LZWEncode (&state, data, data_size))
if (!LZWEncode (&state, data, *data_size_in_out))
goto bail2;
if (!LZWPostEncode(&state))
goto bail2;
LZWFreeEncode(&state);
*compressed_size = state.out_buffer_bytes;
*data_size_in_out = state.out_buffer_bytes;
return state.out_buffer;
bail2:

3
src/cairo-ps-surface.c
View file

@ -724,7 +724,8 @@ emit_image (cairo_ps_surface_t *surface,
}
}
compressed = _cairo_compress_lzw (rgb, rgb_size, &compressed_size);
compressed_size = rgb_size;
compressed = _cairo_lzw_compress (rgb, &compressed_size);
if (compressed == NULL) {
status = CAIRO_STATUS_NO_MEMORY;
goto bail2;

4
src/cairoint.h
View file

@ -2146,9 +2146,7 @@ _cairo_output_stream_write_base85_string (cairo_output_stream_t *stream,
size_t length);
cairo_private void *
_cairo_compress_lzw (void *data,
unsigned long data_size,
unsigned long *compressed_size);
_cairo_lzw_compress (void *data, unsigned long *data_size_in_out);
cairo_private cairo_status_t
_cairo_output_stream_vprintf (cairo_output_stream_t *stream,