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Decouple nbio_t from rpng_decode_fnbio.c

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This commit is contained in:
twinaphex 2015-02-22 08:00:47 +01:00
parent f233ccb141
commit 07c7a0df99
2 changed files with 41 additions and 56 deletions
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50
libretro-common/formats/png/rpng_decode_fnbio.c
View File

@ -28,8 +28,6 @@
#include <stdlib.h>
#include <string.h>
#include <file/nbio.h>
#ifdef GEKKO
#include <malloc.h>
#endif
@ -319,7 +317,6 @@ void rpng_nbio_load_image_free(struct rpng_t *rpng)
if (!rpng)
return;
nbio_free((struct nbio_t*)rpng->userdata);
if (rpng->idat_buf.data)
free(rpng->idat_buf.data);
if (rpng->inflate_buf)
@ -329,61 +326,14 @@ void rpng_nbio_load_image_free(struct rpng_t *rpng)
free(rpng);
}
struct rpng_t *rpng_nbio_load_image_argb_init(const char *path)
{
size_t file_len;
struct nbio_t* handle = NULL;
struct rpng_t *rpng = (struct rpng_t*)calloc(1, sizeof(struct rpng_t));
if (!rpng)
goto error;
rpng->userdata = (void*)nbio_open(path, NBIO_READ);
handle = (struct nbio_t*)rpng->userdata;
if (!handle)
goto error;
rpng->ptr = nbio_get_ptr(handle, &file_len);
nbio_begin_read(handle);
return rpng;
error:
if (rpng->userdata)
nbio_free((struct nbio_t*)rpng->userdata);
if (rpng)
free(rpng);
return NULL;
}
bool rpng_nbio_load_image_argb_start(struct rpng_t *rpng)
{
unsigned i;
size_t file_len;
char header[8];
struct nbio_t *handle = NULL;
if (!rpng)
return false;
handle = (struct nbio_t*)rpng->userdata;
if (!handle)
return false;
rpng->ptr = nbio_get_ptr(handle, &file_len);
if (!rpng->ptr)
return false;
rpng->buff_data = (uint8_t*)rpng->ptr;
if (!rpng->buff_data)
return false;
for (i = 0; i < 8; i++)
header[i] = rpng->buff_data[i];

43
libretro-common/formats/png/rpng_test.c
View File

@ -33,9 +33,24 @@
static bool rpng_nbio_load_image_argb(const char *path, uint32_t **data,
unsigned *width, unsigned *height)
{
size_t file_len;
bool ret = true;
struct nbio_t* handle = NULL;
struct rpng_t *rpng = (struct rpng_t*)calloc(1, sizeof(struct rpng_t));
struct rpng_t *rpng = rpng_nbio_load_image_argb_init(path);
if (!rpng)
return false;
rpng->userdata = (void*)nbio_open(path, NBIO_READ);
handle = (struct nbio_t*)rpng->userdata;
if (!handle)
goto end;
rpng->ptr = nbio_get_ptr(handle, &file_len);
nbio_begin_read(handle);
if (!rpng)
{
@ -43,7 +58,23 @@ static bool rpng_nbio_load_image_argb(const char *path, uint32_t **data,
goto end;
}
while (!nbio_iterate((struct nbio_t*)rpng->userdata));
while (!nbio_iterate(handle));
rpng->ptr = nbio_get_ptr(handle, &file_len);
if (!rpng->ptr)
{
ret = false;
goto end;
}
rpng->buff_data = (uint8_t*)rpng->ptr;
if (!rpng->buff_data)
{
ret = false;
goto end;
}
if (!rpng_nbio_load_image_argb_start(rpng))
{
@ -72,11 +103,15 @@ static bool rpng_nbio_load_image_argb(const char *path, uint32_t **data,
rpng_nbio_load_image_argb_process(rpng, data, width, height);
end:
if (rpng->userdata)
nbio_free((struct nbio_t*)rpng->userdata);
if (rpng)
{
rpng_nbio_load_image_free(rpng);
rpng = NULL;
}
if (!ret)
free(*data);
rpng = NULL;
return ret;
}