yyc12345/stb
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

There's really no point in returning the output buffer.

Browse Source
This commit is contained in:
Jorge Rodriguez 2014-07-21 15:36:43 -07:00
parent d54e74092e
commit c27c5b6fbe
1 changed files with 5 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
stb_resample.h
View File

@ -18,13 +18,11 @@ Initial implementation by Jorge L Rodriguez
#define STBR_INCLUDE_STB_RESAMPLE_H #define STBR_INCLUDE_STB_RESAMPLE_H
// Basic usage: // Basic usage:
// unsigned char *data = stbr_resize(input_data, input_w, input_h, input_components, STBR_FILTER_NEAREST, output_data, output_w, output_h); // result = stbr_resize(input_data, input_w, input_h, input_components, STBR_FILTER_NEAREST, output_data, output_w, output_h);
// //
// input_data is your supplied texels. // input_data is your supplied texels.
// output_data will be the resized texels. It should be of size output_w * output_h * input_components. // output_data will be the resized texels. It should be of size output_w * output_h * input_components.
// Returned data == output_data, for convenience, or 0 in case of an error. // Returned result is 1 for success or 0 in case of an error.
//
//
typedef enum typedef enum
{ {
@ -49,7 +47,7 @@ extern "C" {
// PRIMARY API - resize an image // PRIMARY API - resize an image
// //
STBRDEF stbr_uc* stbr_resize(const stbr_uc* input_data, int input_w, int input_h, int input_components, stbr_filter filter, stbr_uc* output_data, int output_w, int output_h); STBRDEF int stbr_resize(const stbr_uc* input_data, int input_w, int input_h, int input_components, stbr_filter filter, stbr_uc* output_data, int output_w, int output_h);
#ifdef __cplusplus #ifdef __cplusplus
@ -156,7 +154,7 @@ static void stbr__filter_nearest_n(const stbr_uc* input_data, stbr_uc* output_da
typedef void (stbr__filter_fn)(const stbr_uc* input_data, stbr_uc* output_data, size_t input_texel_index, size_t output_texel_index, size_t n); typedef void (stbr__filter_fn)(const stbr_uc* input_data, stbr_uc* output_data, size_t input_texel_index, size_t output_texel_index, size_t n);
STBRDEF stbr_uc* stbr_resize(const stbr_uc* input_data, int input_w, int input_h, int input_components, stbr_filter filter, stbr_uc* output_data, int output_w, int output_h) STBRDEF int stbr_resize(const stbr_uc* input_data, int input_w, int input_h, int input_components, stbr_filter filter, stbr_uc* output_data, int output_w, int output_h)
{ {
int x, y; int x, y;
int width_stride_input = input_components * input_w; int width_stride_input = input_components * input_w;
@ -203,7 +201,7 @@ STBRDEF stbr_uc* stbr_resize(const stbr_uc* input_data, int input_w, int input_h
STBR_ASSERT(memcmp(overwrite_contents_pre, &output_data[output_w * output_h * input_components], OVERWRITE_ARRAY_SIZE) == 0); STBR_ASSERT(memcmp(overwrite_contents_pre, &output_data[output_w * output_h * input_components], OVERWRITE_ARRAY_SIZE) == 0);
#endif #endif
return output_data; return 1;
} }