unsafe private void DoRenderBlock(BlockElement root, uint *ptr, int width, int height)
{
foreach (AElement element in root.Children)
{
int x = element.Layout_X;
int y = element.Layout_Y - Ascender; // ascender is always negative.
if (element is CharacterElement)
{
IFont font = element.Style.Font;
ICharacter character = font.GetCharacter((element as CharacterElement).Character);
// HREF links should be colored white, because we will hue them at runtime.
uint color = element.Style.IsHREF ? 0xFFFFFFFF : Utility.UintFromColor(element.Style.Color);
character.WriteToBuffer(ptr, x, y, width, height, font.Baseline,
element.Style.IsBold, element.Style.IsItalic, element.Style.IsUnderlined, element.Style.MustDrawnOutline, color, 0xFF000008);
// offset y by ascender for links...
if (character.YOffset < 0)
{
y += character.YOffset;
height -= character.YOffset;
}
}
else if (element is ImageElement)
{
ImageElement image = (element as ImageElement);
image.AssociatedImage.Area = new Rectangle(x, y, image.Width, image.Height);
if (element.Style.IsHREF)
{
Links.AddLink(element.Style, new Rectangle(x, y, element.Width, element.Height));
image.AssociatedImage.LinkIndex = Links.Count;
}
}
else if (element is BlockElement)
{
DoRenderBlock(element as BlockElement, ptr, width, height);
}
// set href link regions
if (element.Style.IsHREF)
{
Links.AddLink(element.Style, new Rectangle(x, y, element.Width, element.Height));
}
}
}
