klayout/src/laybasic/unit_tests/layBitmap.cc

206 lines
7.7 KiB
C++

/*
KLayout Layout Viewer
Copyright (C) 2006-2021 Matthias Koefferlein
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 2 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, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#include "layBitmap.h"
#include "tlUnitTest.h"
static std::string
to_string (const lay::Bitmap &bm)
{
std::string r;
for (unsigned int j = bm.height (); j > 0; --j) {
std::string s;
for (unsigned int k = 0; k < bm.width (); ++k) {
s += (bm.scanline (j - 1)[k / 32] & (1 << (k % 32))) != 0 ? "#" : "-";
}
r += s;
r += "\n";
}
return r;
}
TEST(1)
{
lay::Bitmap b1 (8, 8, 1.0);
EXPECT_EQ (to_string (b1), "--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n");
b1.fill (4, 3, 6);
EXPECT_EQ (to_string (b1), "--------\n"
"--------\n"
"--------\n"
"---###--\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n");
lay::Bitmap b2;
b2 = b1;
EXPECT_EQ (to_string (b1), to_string (b2));
b1 = lay::Bitmap ();
EXPECT_EQ (to_string (b1), "");
b1 = b2;
EXPECT_EQ (to_string (b1), to_string (b2));
}
TEST(2)
{
lay::Bitmap b1 (8, 8, 1.0);
EXPECT_EQ (to_string (b1), "--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n");
lay::Bitmap b2 (3, 2, 1.0);
b2.fill (0, 0, 3);
b2.fill (1, 1, 3);
EXPECT_EQ (to_string (b2), "-##\n###\n");
b1.merge (&b2, 0, 0);
EXPECT_EQ (to_string (b1), "--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"-##-----\n"
"###-----\n");
b1.merge (&b2, 1, 1);
EXPECT_EQ (to_string (b1), "--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--##----\n"
"-###----\n"
"###-----\n");
b1.clear ();
b1.merge (&b2, -1, -1);
EXPECT_EQ (to_string (b1), "--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"--------\n"
"##------\n");
b1.clear ();
b1.merge (&b2, 6, 2);
EXPECT_EQ (to_string (b1), "--------\n"
"--------\n"
"--------\n"
"--------\n"
"-------#\n"
"------##\n"
"--------\n"
"--------\n");
b1 = lay::Bitmap (40, 8, 1.0);
EXPECT_EQ (to_string (b1), "----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n");
b2 = lay::Bitmap (40, 8, 1.0);
b2.fill (1, 4, 36);
b2.fill (2, 5, 15);
b2.fill (2, 34, 35);
EXPECT_EQ (to_string (b2), "----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"-----##########-------------------#-----\n"
"----################################----\n"
"----------------------------------------\n");
b1.merge (&b2, -1, -1);
EXPECT_EQ (to_string (b1), "----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----##########-------------------#------\n"
"---################################-----\n");
b1.clear ();
b1.merge (&b2, -32, -1);
EXPECT_EQ (to_string (b1), "----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"--#-------------------------------------\n"
"####------------------------------------\n");
b1.clear ();
b1.merge (&b2, -33, -1);
EXPECT_EQ (to_string (b1), "----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"-#--------------------------------------\n"
"###-------------------------------------\n");
b1.clear ();
b1.merge (&b2, 1, -1);
EXPECT_EQ (to_string (b1), "----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"----------------------------------------\n"
"------##########-------------------#----\n"
"-----################################---\n");
}