blob: f8a983b83905cb622f48010e262e574980a2ca74 [file] [log] [blame]
/*
* Copyright (C) 2017 Igalia S.L.
* Copyright (C) 2005, 2007, 2015 Apple Inc. All rights reserved.
* Copyright (C) 2005 Ben La Monica <ben.lamonica@gmail.com>. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
// FIXME: We need to be able to include these defines from a config.h somewhere.
#define JS_EXPORT_PRIVATE
#include "PlatformImage.h"
#include <algorithm>
#include <cstdlib>
#include <stdio.h>
#include <string.h>
#ifdef _WIN32
#include <fcntl.h>
#include <io.h>
#endif
using namespace ImageDiff;
#ifdef _WIN32
#define FORMAT_SIZE_T "Iu"
#else
#define FORMAT_SIZE_T "zu"
#endif
int main(int argc, const char* argv[])
{
#ifdef _WIN32
_setmode(0, _O_BINARY);
_setmode(1, _O_BINARY);
#endif
float tolerance = 0.0f;
for (int i = 1; i < argc; ++i) {
if (!strcmp(argv[i], "-t") || !strcmp(argv[i], "--tolerance")) {
if (i >= argc - 1)
exit(1);
tolerance = strtof(argv[i + 1], 0);
++i;
continue;
}
}
char buffer[2048];
std::unique_ptr<PlatformImage> actualImage;
std::unique_ptr<PlatformImage> baselineImage;
while (fgets(buffer, sizeof(buffer), stdin)) {
// Convert the first newline into a NUL character so that strtok doesn't produce it.
char* newLineCharacter = strchr(buffer, '\n');
if (newLineCharacter)
*newLineCharacter = '\0';
if (!strncmp("Content-Length: ", buffer, 16)) {
strtok(buffer, " ");
int imageSize = strtol(strtok(0, " "), 0, 10);
if (imageSize <= 0) {
fprintf(stderr, "Error: image size must be specified.\n");
return EXIT_FAILURE;
}
if (!actualImage) {
if (!(actualImage = PlatformImage::createFromStdin(imageSize))) {
fprintf(stderr, "Error: could not read actual image.\n");
return EXIT_FAILURE;
}
} else if (!baselineImage) {
if (!(baselineImage = PlatformImage::createFromStdin(imageSize))) {
fprintf(stderr, "Error: could not read baseline image.\n");
return EXIT_FAILURE;
}
}
}
if (actualImage && baselineImage) {
if (!actualImage->isCompatible(*baselineImage)) {
if (actualImage->width() != baselineImage->width() || actualImage->height() != baselineImage->height()) {
fprintf(stderr, "Error: test and reference images have different sizes. Test image is %" FORMAT_SIZE_T "x%" FORMAT_SIZE_T ", reference image is %" FORMAT_SIZE_T "x%" FORMAT_SIZE_T "\n",
actualImage->width(), actualImage->height(), baselineImage->width(), baselineImage->height());
} else if (actualImage->hasAlpha() != baselineImage->hasAlpha()) {
fprintf(stderr, "Error: test and reference images differ in alpha. Test image %s alpha, reference image %s alpha.\n",
actualImage->hasAlpha() ? "has" : "does not have", baselineImage->hasAlpha() ? "has" : "does not have");
}
return EXIT_FAILURE;
}
float difference = 100.0f;
std::unique_ptr<PlatformImage> diffImage = actualImage->difference(*baselineImage, difference);
if (difference <= tolerance)
difference = 0.0f;
else {
difference = roundf(difference * 100.0f) / 100.0f;
difference = std::max<float>(difference, 0.01f); // round to 2 decimal places
}
if (difference > 0.0f) {
if (diffImage)
diffImage->writeAsPNGToStdout();
fprintf(stdout, "diff: %01.2f%% failed\n", difference);
} else
fprintf(stdout, "diff: %01.2f%% passed\n", difference);
actualImage = nullptr;
baselineImage = nullptr;
}
fflush(stdout);
}
return EXIT_SUCCESS;
}