private static void MasterVolumeMapping(int leftColor, int rightColor, float leftVolumeNormalized,
float rightVolumeNormalized, int bandWidth, int height, int baselineY, DirectBitmap directBitmap)
{
int heightL = (int)(height * (leftVolumeNormalized));
int heightR = (int)(height * (rightVolumeNormalized));
for (int i = 0; i < bandWidth; i++)
{
for (int j = baselineY - heightL; j <= baselineY; j++)
{
directBitmap.SetPixel(i, j, leftColor);
}
}
for (int i = bandWidth; i < 2 * bandWidth; i++)
{
for (int j = baselineY - heightR; j <= baselineY; j++)
{
directBitmap.SetPixel(i, j, rightColor);
}
}
}
//Done, using EFLA-E Algorithm (http://www.edepot.com/algorithm.html)
private static void FastLineAlgorithm(DirectBitmap bitmap, int startX, int startY, int endX, int endY,
int color)
{
bool yLonger = false;
int shortLen = endY - startY;
int longLen = endX - startX;
if (Math.Abs(shortLen) > Math.Abs(longLen))
{
int swap = shortLen;
shortLen = longLen;
longLen = swap;
yLonger = true;
}
int decInc;
if (longLen == 0)
{
decInc = 0;
}
else
{
decInc = (shortLen << 16) / longLen;
}
if (yLonger)
{
if (longLen > 0)
{
longLen += startY;
for (int j = 0x8000 + (startX << 16); startY <= longLen; ++startY)
{
bitmap.SetPixel(j >> 16, startY, color);
j += decInc;
}
return;
}
longLen += startY;
for (int j = 0x8000 + (startX << 16); startY >= longLen; --startY)
{
bitmap.SetPixel(j >> 16, startY, color);
j -= decInc;
}
return;
}
if (longLen > 0)
{
longLen += startX;
for (int j = 0x8000 + (startY << 16); startX <= longLen; ++startX)
{
bitmap.SetPixel(startX, j >> 16, color);
j += decInc;
}
return;
}
longLen += startX;
for (int j = 0x8000 + (startY << 16); startX >= longLen; --startX)
{
bitmap.SetPixel(startX, j >> 16, color);
j -= decInc;
}
}
