void read_rect_node(grect& rect, hlxml::Node* node, bool allowNoSize)
{
rect.set(0.0f, 0.0f, 0.0f, 0.0f);
if (allowNoSize)
{
rect.setSize(-1.0f, -1.0f);
}
if (node->pexists("rect"))
{
rect = hstr_to_grect(node->pstr("rect"));
}
else
{
if (node->pexists("position"))
{
rect.setPosition(hstr_to_gvec2(node->pstr("position")));
}
else
{
rect.setPosition(node->pfloat("x"), node->pfloat("y"));
}
if (node->pexists("size"))
{
rect.setSize(hstr_to_gvec2(node->pstr("size")));
}
else if (!allowNoSize)
{
rect.setSize(node->pfloat("w"), node->pfloat("h"));
}
else
{
rect.setSize(node->pfloat("w", -1.0f), node->pfloat("h", -1.0f));
}
}
}
RenderRectangle Font::makeRenderRectangle(const grect& rect, grect area, unsigned int code)
{
static RenderRectangle result;
result.src.set(0.0f, 0.0f, 0.0f, 0.0f);
result.dest = area;
// if destination rectangle not entirely inside drawing area
if (rect.intersects(result.dest))
{
static gvec2 fullSize(1.0f, 1.0f);
static gvec2 leftTop;
static gvec2 rightBottom;
static gvec2 textureInvertedSize;
static CharacterDefinition* chr = NULL;
static grect charRect;
static april::Texture* texture = NULL;
texture = this->getTexture(code);
textureInvertedSize.set(1.0f / texture->getWidth(), 1.0f / texture->getHeight());
chr = &this->characters[code];
charRect.set(chr->x, chr->y, chr->w, chr->h);
// vertical/horizontal cutoff of destination rectangle (using left/right/top/bottom semantics for consistency)
leftTop.x = (area.left() < rect.left() ? (area.right() - rect.left()) / area.w : fullSize.x);
leftTop.y = (area.top() < rect.top() ? (area.bottom() - rect.top()) / area.h : fullSize.y);
rightBottom.x = (rect.right() < area.right() ? (rect.right() - area.left()) / area.w : fullSize.x);
rightBottom.y = (rect.bottom() < area.bottom() ? (rect.bottom() - area.top()) / area.h : fullSize.y);
// apply cutoff on destination
result.dest.setPosition(area.getPosition() + area.getSize() * (fullSize - leftTop));
result.dest.setSize(area.getSize() * (leftTop + rightBottom - fullSize));
// apply cutoff on source
result.src.setPosition((charRect.getPosition() + charRect.getSize() * (fullSize - leftTop)) * textureInvertedSize);
result.src.setSize((charRect.getSize() * (leftTop + rightBottom - fullSize)) * textureInvertedSize);
}
return result;
}
