43 lines
No EOL
1,003 B
C++
43 lines
No EOL
1,003 B
C++
|
|
// g++ --std=c++11 test.cpp
|
|
|
|
#include "test.h"
|
|
|
|
#include "test.h"
|
|
#include "lib8tion/intmap.h"
|
|
#include "fl/lut.h"
|
|
|
|
|
|
using namespace fl;
|
|
|
|
TEST_CASE("LUT interp8") {
|
|
LUT<uint16_t> lut(2);
|
|
uint16_t* data = lut.getDataMutable();
|
|
data[0] = 0;
|
|
data[1] = 255;
|
|
CHECK_EQ(lut.interp8(0), 0);
|
|
CHECK_EQ(lut.interp8(255), 255);
|
|
CHECK_EQ(lut.interp8(128), 128);
|
|
|
|
// Check the LUT interpolation for all values.
|
|
for (uint16_t i = 0; i < 256; i++) {
|
|
uint16_t expected = (i * 255) / 255;
|
|
CHECK_EQ(lut.interp8(i), expected);
|
|
}
|
|
}
|
|
|
|
TEST_CASE("LUT interp16") {
|
|
LUT<uint16_t> lut(2);
|
|
uint16_t* data = lut.getDataMutable();
|
|
data[0] = 0;
|
|
data[1] = 255;
|
|
CHECK_EQ(lut.interp16(0), 0);
|
|
CHECK_EQ(lut.interp16(0xffff), 255);
|
|
CHECK_EQ(lut.interp16(0xffff / 2), 127);
|
|
|
|
// Check the LUT interpolation for all values.
|
|
for (int i = 0; i < 256; i++) {
|
|
uint16_t alpha16 = map8_to_16(i);
|
|
CHECK_EQ(i, lut.interp16(alpha16));
|
|
}
|
|
} |