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swig: add python (decode) support

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similar to Java, simple interface only

Change-Id: I8a3d344e5d89f73627e4e0cb2067512260d46fdd
This commit is contained in:
James Zern
2013-05-09 23:27:54 -07:00
parent 7f5f42bb36
commit f980faf417
6 changed files with 5509 additions and 19 deletions
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19
swig/libwebp_java_wrap.c
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@ -813,14 +813,16 @@ jdoubleArray SWIG_JavaArrayOutDouble (JNIEnv *jenv, double *result, jsize sz) {
#define FillMeInAsSizeCannotBeDeterminedAutomatically \
(result ? ReturnedBufferSize(__FUNCTION__, arg3, arg4) : 0)
(result ? (jint)ReturnedBufferSize(__FUNCTION__, arg3, arg4) : 0)
static jint ReturnedBufferSize(
static size_t ReturnedBufferSize(
const char* function, int* width, int* height) {
static const struct sizemap {
const char* function;
int size_multiplier;
} size_map[] = {
#ifdef SWIGJAVA
{ "Java_com_google_webp_libwebpJNI_WebPDecodeRGB", 3 },
{ "Java_com_google_webp_libwebpJNI_WebPDecodeRGBA", 4 },
{ "Java_com_google_webp_libwebpJNI_WebPDecodeARGB", 4 },
@ -834,12 +836,20 @@ static jint ReturnedBufferSize(
{ "Java_com_google_webp_libwebpJNI_wrap_1WebPEncodeLosslessBGR", 1 },
{ "Java_com_google_webp_libwebpJNI_wrap_1WebPEncodeLosslessRGBA", 1 },
{ "Java_com_google_webp_libwebpJNI_wrap_1WebPEncodeLosslessBGRA", 1 },
#endif
#ifdef SWIGPYTHON
{ "WebPDecodeRGB", 3 },
{ "WebPDecodeRGBA", 4 },
{ "WebPDecodeARGB", 4 },
{ "WebPDecodeBGR", 3 },
{ "WebPDecodeBGRA", 4 },
#endif
{ NULL, 0 }
};
const struct sizemap* p;
jint size = -1;
size_t size = 0;
for (p = size_map; p->function; p++) {
for (p = size_map; p->function; ++p) {
if (!strcmp(function, p->function)) {
size = *width * *height * p->size_multiplier;
break;
@ -850,7 +860,6 @@ static jint ReturnedBufferSize(
}
typedef size_t (*WebPEncodeFunction)(const uint8_t* rgb,
int width, int height, int stride,
float quality_factor, uint8_t** output);