TEST(BitmapReadWrite, BitmapEncoderDecoder)
{
// Read in the bitmap
std::ifstream bitmapStream("basic.bmp", std::ios::binary);
CHECK(bitmapStream.is_open());
WindowsBitmapDecoder decoder(bitmapStream);
HBitmapIterator bitmapIter = decoder.createIterator();
// Write out the bitmap to a different file with its write() method
std::ofstream outputStream("outputED.bmp", std::ios::binary);
CHECK(outputStream.is_open());
WindowsBitmapEncoder encoder(bitmapIter);
encoder.encodeToStream(outputStream);
outputStream.close();
// Read that one back in and check sizes
std::ifstream bitmapStream2("outputED.bmp", std::ios::binary);
CHECK(bitmapStream2.is_open());
WindowsBitmapDecoder decoder2(bitmapStream2);
bitmapIter = decoder2.createIterator();
int numberOfScanLines = 0;
while (!bitmapIter->isEndOfImage())
{
int numberOfPixelsInScanLine = 0;
while (!bitmapIter->isEndOfScanLine())
{
++numberOfPixelsInScanLine;
bitmapIter->nextPixel();
}
CHECK_EQUAL(100, numberOfPixelsInScanLine);
++numberOfScanLines;
bitmapIter->nextScanLine();
}
CHECK_EQUAL(100, numberOfScanLines);
}
TEST(BitmapScanLinesTest, BitmapIterator)
{
std::ifstream bitmapStream("basic.bmp", std::ios::binary);
CHECK(bitmapStream.is_open());
WindowsBitmapDecoder decoder(bitmapStream);
HBitmapIterator bitmapIter = decoder.createIterator();
int numberOfScanLines = 0;
while (!bitmapIter->isEndOfImage())
{
int numberOfPixelsInScanLine = 0;
while (!bitmapIter->isEndOfScanLine())
{
++numberOfPixelsInScanLine;
bitmapIter->nextPixel();
}
CHECK_EQUAL(100, numberOfPixelsInScanLine);
++numberOfScanLines;
bitmapIter->nextScanLine();
}
CHECK_EQUAL(100, numberOfScanLines);
}