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split example_util.h

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move ExUtil*File to imageio_util.h
ExUtil*WebP* to webpdec.h

string parsing routines remain

Change-Id: I0560c4a74e86710d83bc4b5b234f1b5ef9a86f9d
This commit is contained in:
James Zern
2016-07-20 18:25:00 -07:00
parent 15ed462b2d
commit bdda5bd4bf
24 changed files with 447 additions and 344 deletions
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33
imageio/webpdec.h
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@@ -12,7 +12,7 @@
#ifndef WEBP_IMAGEIO_WEBPDEC_H_
#define WEBP_IMAGEIO_WEBPDEC_H_
#include "webp/types.h"
#include "webp/decode.h"
#ifdef __cplusplus
extern "C" {
@@ -21,6 +21,37 @@ extern "C" {
struct Metadata;
struct WebPPicture;
//------------------------------------------------------------------------------
// WebP decoding
// Prints an informative error message regarding decode failure of 'in_file'.
// 'status' is treated as a VP8StatusCode and if valid will be printed as a
// text string.
void ExUtilPrintWebPError(const char* const in_file, int status);
// Reads a WebP from 'in_file', returning the contents and size in 'data' and
// 'data_size'. If not NULL, 'bitstream' is populated using WebPGetFeatures().
// Returns true on success.
int ExUtilLoadWebP(const char* const in_file,
const uint8_t** data, size_t* data_size,
WebPBitstreamFeatures* bitstream);
// Decodes the WebP contained in 'data'.
// 'config' is a structure previously initialized by WebPInitDecoderConfig().
// 'config->output' should have the desired colorspace selected. 'verbose' will
// cause decode timing to be reported.
// Returns the decoder status. On success 'config->output' will contain the
// decoded picture.
VP8StatusCode ExUtilDecodeWebP(const uint8_t* const data, size_t data_size,
int verbose, WebPDecoderConfig* const config);
// Same as ExUtilDecodeWebP(), but using the incremental decoder.
VP8StatusCode ExUtilDecodeWebPIncremental(
const uint8_t* const data, size_t data_size,
int verbose, WebPDecoderConfig* const config);
//------------------------------------------------------------------------------
// Reads a WebP from 'in_file', returning the decoded output in 'pic'.
// Output is RGBA or YUVA, depending on pic->use_argb value.
// If 'keep_alpha' is true and the WebP has an alpha channel, the output is RGBA