int* IconSet::getIcon(int index)
{
if (index < 0 || index > numIcons)
throw string("Icon index not in range");
BOOL result;
//Clear the DC
memset(pixels, 0x0, width * height * sizeof(UINT));
memset(mask, 0x0, width * height * sizeof(UINT));
Icon icon = icons[index];
//Paint the icon onto the DC
result = DrawIconEx(iconContext, 0, 0, icon.getIcon(), icon.getWidth(), icon.getHeight(), 0, NULL, DI_NORMAL);
checkResult(result, "Failed to draw icon into memory");
//Paint the icon onto the DC
result = DrawIconEx(maskContext, 0, 0, icon.getIcon(), icon.getWidth(), icon.getHeight(), 0, NULL, DI_MASK);
checkResult(result, "Failed to draw icon alpha mask into memory");
//pixels and mask now contain the data
int *dimensions = new int[2];
dimensions[0] = icon.getWidth();
dimensions[1] = icon.getHeight();
return dimensions;
}
//Loop through all the icons, and figure out the maximum width and height
void IconSet::getIconDimensions()
{
vector<Icon>::const_iterator start = icons.begin();
vector<Icon>::const_iterator end = icons.end();
width = height = 0;
while (start != end)
{
Icon icon = *start;
if (icon.getWidth() > width)
width = icon.getWidth();
if (icon.getHeight() > height)
height = icon.getHeight();
start++;
}
}