// Attempts to position unplaced rectangles from the layout into this row.
int TextureLayoutRow::Generate(TextureLayout& layout, int max_width, int y)
{
int placed_rectangles = 0;
while(!layout.unplaced_rectangles.empty())
{
TextureLayoutRectangle* rectangle = layout.unplaced_rectangles.front();
if (placed_width + rectangle->GetDimensions().x + 1 > max_width)
break;
// Increment the row height if necessary.
height = Math::Max(height, rectangle->GetDimensions().y);
// Add this glyph onto our list and mark it as placed.
rectangles.push_back(rectangle);
if (layout.has_generated)
rectangle->Place(layout.GetNumTextures()-1, Vector2i(placed_width, y));
else
rectangle->Place(layout.GetNumTextures(), Vector2i(placed_width, y));
++placed_rectangles;
// Increment our width. An extra pixel is added on so the rectangles aren't pushed up
// against each other. This will avoid filtering artifacts.
if (rectangle->GetDimensions().x > 0)
placed_width += rectangle->GetDimensions().x + 1;
layout.rectangles.push_back(rectangle);
layout.unplaced_rectangles.pop();
}
return placed_rectangles;
}
TextureLayout& TextureLayout::operator+=(const TextureLayout &layout)
{
const int texture_size = GetNumTextures();
for (TextureList::const_iterator i = layout.textures.begin(); i != layout.textures.end(); ++i)
{
TextureLayoutTexture *texture = *i;
texture->AddReference();
textures.push_back(texture);
}
for (RectangleList::const_iterator i = layout.rectangles.begin(); i != layout.rectangles.end(); ++i)
{
TextureLayoutRectangle *rect = *i;
rect->AddReference();
rect->Place(texture_size + rect->GetTextureIndex(), rect->GetPosition());
rectangles.push_back(rect);
}
return *this;
}
