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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
#include <cstdint>
namespace skqp {
class AssetManager;
}
namespace gmkb {
enum class Error {
kNone, /**< No error. */
kBadInput, /**< Error with the given image data. */
kBadData, /**< Error with the given gmkb data directory. */
};
/**
Check if the given test image matches the expected results.
Each pixel is an un-pre-multiplied RGBA color:
uint32_t make_color(uint8_t r, uint8_t g, uint8_t b, uint8_t a) {
return (r << 0) | (g << 8) | (b << 16) | (a << 24);
}
The image's rowBytes is width*sizeof(uint32_t):
uint32_t* get_pixel_addr(uint32_t* pixels, int width, int height, int x, int y) {
assert(x >= 0 && x < width);
assert(y >= 0 && y < height);
return &pixels[x + (width * y)];
}
@param pixels, width, height the image
@param gm_name the name of the rendering test that produced the image
@param backend (optional) name of the backend
@param asset_manager GM KnowledgeBase data files
@param report_directory_path (optional) locatation to write report to.
@param error_out (optional) error return code.
@return 0 if the test passes, otherwise a positive number representing how
badly it failed. Return FLT_MAX on error.
*/
float Check(const uint32_t* pixels,
int width,
int height,
const char* name,
const char* backend,
skqp::AssetManager* asset_manager,
const char* report_directory_path,
Error* error_out);
/**
Call this after running all checks.
@param report_directory_path locatation to write report to.
*/
bool MakeReport(const char* report_directory_path);
} // namespace gmkb
#endif // gm_knowledge_DEFINED
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