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/*
* Copyright 2017 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef gm_knowledge_DEFINED
#define gm_knowledge_DEFINED
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <stdbool.h>
/**
A structure representing an image. pix should either be nullptr (representing
a missing image) or point to a block of memory width*height in size.
Each pixel is an un-pre-multiplied RGBA color:
void set_color(GMK_ImageData* data, int x, int y,
unsigned char r, unsigned char g, unsigned char b, unsigned char a) {
data->pix[x + data->width * y] = (r << 0) | (g << 8) | (b << 16) | (a << 24);
}
*/
typedef struct {
const uint32_t* pix;
int width;
int height;
} GMK_ImageData;
/**
Check if the given test image matches the expected results.
@param data the image
@param gm_name the name of the rendering test that produced the image
@return 0 if the test passes, otherwise a positive number representing how
badly it failed.
*/
float GMK_Check(GMK_ImageData data, const char* gm_name);
/**
Check to see if the given test has expected results.
@param gm_name the name of a rendering test.
@return true of expected results are known for the given test.
*/
bool GMK_IsGoodGM(const char* gm_name);
#ifdef __cplusplus
}
#endif
#endif // gm_knowledge_DEFINED
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