visualtest/include/SDL_visualtest_screenshot.h
author Brandon Schaefer <brandon.schaefer@canonical.com>
Wed, 08 Jun 2016 08:01:21 -0700
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/* See COPYING.txt for the full license governing this code. */
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/**
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 * \file SDL_visualtest_screenshot.h
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 *
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 * Header for the screenshot API.
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 */
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#include "SDL_visualtest_process.h"
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#ifndef _SDL_visualtest_screenshot_h
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#define _SDL_visualtest_screenshot_h
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/**
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 * Takes a screenshot of each window owned by the process \c pinfo and saves 
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 * it in a file \c prefix-i.png where \c prefix is the full path to the file 
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 * along with a prefix given to each screenshot.
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 *
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 * \return 1 on success, 0 on failure.
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 */
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int SDLVisualTest_ScreenshotProcess(SDL_ProcessInfo* pinfo, char* prefix);
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/**
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 * Takes a screenshot of the desktop and saves it into the file with path
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 * \c filename.
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 *
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 * \return 1 on success, 0 on failure.
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 */
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int SDLVisualTest_ScreenshotDesktop(char* filename);
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/**
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 * Compare a screenshot taken previously with SUT arguments \c args that is
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 * located in \c test_dir with a verification image that is located in 
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 * \c verify_dir.
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 *
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 * \return -1 on failure, 0 if the images were not equal, 1 if the images are equal
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 *         and 2 if the verification image is not present.
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 */
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int SDLVisualTest_VerifyScreenshots(char* args, char* test_dir, char* verify_dir);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SDL_visualtest_screenshot_h */