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#ifndef PTEX_H
#define PTEX_H
#ifdef __cplusplus
extern "C" {
#endif
typedef void* PtexTextureHandle;
typedef void* PtexFaceInfoHandle;
typedef void* PtexResHandle;
typedef enum {
PTEX_DT_UINT8,
PTEX_DT_UINT16,
PTEX_DT_FLOAT,
PTEX_DT_UNSUPPORTED
} PtexDataType;
/* PtexTexture class */
extern PtexTextureHandle ptex_open(const char *path, int print_error, int premultiply);
extern void ptex_texture_release(PtexTextureHandle ptex_texture_handle);
extern PtexDataType ptex_texture_data_type(PtexTextureHandle ptex_texture_handle);
extern int ptex_texture_num_channels(PtexTextureHandle ptex_texture_handle);
extern PtexFaceInfoHandle ptex_texture_get_face_info(PtexTextureHandle ptex_texture_handle, int faceid);
extern void ptex_texture_get_data(PtexTextureHandle ptex_texture_handle, int faceid, void *buffer, int stride, PtexResHandle res_handle);
extern void ptex_texture_get_pixel(PtexTextureHandle ptex_texture_handle, int faceid, int u, int v, float *result, int firstchan, int nchannels, PtexResHandle res_handle);
/* FaceInfo struct */
extern PtexResHandle ptex_face_get_res(PtexFaceInfoHandle face_info_handle);
extern int ptex_face_info_is_subface(PtexFaceInfoHandle face_info_handle);
/* Res struct */
extern int ptex_res_u(PtexResHandle ptex_res_handle);
extern int ptex_res_v(PtexResHandle ptex_res_handle);
/* Utils */
int ptex_data_size(PtexDataType type);
#ifdef __cplusplus
}
#endif
#endif
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