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/*************************************************************************
** BitmapTest.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2019 Martin Gieseking <martin.gieseking@uos.de> **
** **
** This program is free software; you can redistribute it and/or **
** modify it under the terms of the GNU General Public License as **
** published by the Free Software Foundation; either version 3 of **
** the License, or (at your option) any later version. **
** **
** This program is distributed in the hope that it will be useful, but **
** WITHOUT ANY WARRANTY; without even the implied warranty of **
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
** GNU General Public License for more details. **
** **
** You should have received a copy of the GNU General Public License **
** along with this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#include <gtest/gtest.h>
#include "Bitmap.hpp"
using namespace std;
TEST(BitmapTest, bbox) {
Bitmap bitmap(-4, 10, 3, 10);
EXPECT_EQ(bitmap.width(), 15);
EXPECT_EQ(bitmap.height(), 8);
EXPECT_EQ(bitmap.xshift(), -4);
EXPECT_EQ(bitmap.yshift(), 3);
EXPECT_EQ(bitmap.bytesPerRow(), 2);
EXPECT_EQ(bitmap.empty(), false);
}
TEST(BitmapTest, setBits) {
int w, h;
Bitmap bitmap(-4, 10, 3, 10);
bitmap.getExtent(w, h);
EXPECT_EQ(w, 0);
EXPECT_EQ(h, 0);
bitmap.setBits(3, 5, 5);
bitmap.getExtent(w, h);
EXPECT_EQ(w, 5);
EXPECT_EQ(h, 1);
EXPECT_EQ(bitmap.rowPtr(3-3)[0], 0);
EXPECT_EQ(bitmap.rowPtr(3-3)[1], 0x7c);
EXPECT_EQ(bitmap.rowPtr(10-3)[0], 0);
EXPECT_EQ(bitmap.rowPtr(10-3)[1], 0);
bitmap.setBits(10, -3, 10);
bitmap.getExtent(w, h);
EXPECT_EQ(w, 13);
EXPECT_EQ(h, 8);
EXPECT_EQ(bitmap.rowPtr(10-3)[0], 0x7f);
EXPECT_EQ(bitmap.rowPtr(10-3)[1], 0xe0);
}
TEST(BitmapTest, copy) {
Bitmap bitmap(-4, 10, 3, 10);
vector<uint16_t> target;
bitmap.setBits(4, 5, 5);
bitmap.copy(target, false);
EXPECT_EQ(target.size(), 8u);
EXPECT_EQ(target[0], 0);
EXPECT_EQ(target[1], 124);
EXPECT_EQ(target[2], 0);
bitmap.copy(target, true);
EXPECT_EQ(target.size(), 8u);
EXPECT_EQ(target[5], 0);
EXPECT_EQ(target[6], 124);
EXPECT_EQ(target[7], 0);
}
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