static void image_insert_tile_row(image& target, int32_t x, int32_t y, uint32_t width, uint32_t height,
const image& other, uint32_t offx, uint32_t offy)
{
if (offx + width <= other.width)
{
target.insert_sub(x, y, other, offx, offy, width, height);
return;
}
if (offx != 0)
{
target.insert_sub(x, y, other, offx, offy, other.width-offx, height);
x += other.width-offx;
width -= other.width-offx;
}
uint32_t xx = 0;
if (width >= other.width)
{
for (xx = 0; xx < width-other.width; xx += other.width)
{
target.insert_sub(x+xx, y, other, 0, offy, other.width, height);
}
}
if (xx < width)
{
target.insert_sub(x+xx, y, other, 0, offy, width-xx, height);
}
}
//this one requires height <= other.height
static void image_insert_tile_row(image& target, int32_t x, int32_t y, uint32_t width, uint32_t height, const image& other)
{
uint32_t xx = 0;
if (width >= other.width)
{
for (xx = 0; xx < width-other.width; xx += other.width)
{
target.insert_sub(x+xx, y, other, 0, 0, other.width, height);
}
}
if (xx < width)
{
target.insert_sub(x+xx, y, other, 0, 0, width-xx, height);
}
}
