style::style(const std::string& aName, const i_style& aOther) :
iName(aName),
iMargins(aOther.margins()),
iSpacing(aOther.spacing()),
iColour(aOther.has_colour() ? aOther.colour() : optional_colour()),
iBackgroundColour(aOther.has_background_colour() ? aOther.background_colour() : optional_colour()),
iForegroundColour(aOther.has_foreground_colour() ? aOther.foreground_colour() : optional_colour()),
iTextColour(aOther.has_text_colour() ? aOther.text_colour() : optional_colour()),
iSelectionColour(aOther.has_selection_colour() ? aOther.selection_colour() : optional_colour()),
iHoverColour(aOther.has_hover_colour() ? aOther.hover_colour() : optional_colour()),
iFontInfo(aOther.font_info())
{
}
void image_widget::paint(graphics_context& aGraphicsContext) const
{
if (iTexture.is_empty())
return;
scoped_units su(*this, UnitsPixels);
rect placementRect(point{}, iTexture.extents());
if (iAspectRatio == aspect_ratio::Stretch)
{
placementRect.cx = client_rect().width();
placementRect.cy = client_rect().height();
}
else if (placementRect.width() >= placementRect.height())
{
switch (iAspectRatio)
{
case aspect_ratio::Ignore:
if (placementRect.width() > client_rect().width())
placementRect.cx = client_rect().width();
if (placementRect.height() > client_rect().height())
placementRect.cy = client_rect().height();
break;
case aspect_ratio::Keep:
if (placementRect.width() > client_rect().width())
{
placementRect.cx = client_rect().width();
placementRect.cy = placementRect.cx * iTexture.extents().cy / iTexture.extents().cx;
}
if (placementRect.height() > client_rect().height())
{
placementRect.cy = client_rect().height();
placementRect.cx = placementRect.cy * iTexture.extents().cx / iTexture.extents().cy;
}
break;
case aspect_ratio::KeepExpanding:
if (placementRect.height() > client_rect().height())
{
placementRect.cy = client_rect().height();
placementRect.cx = placementRect.cy * iTexture.extents().cx / iTexture.extents().cy;
}
break;
}
}
else
{
switch (iAspectRatio)
{
case aspect_ratio::Ignore:
if (placementRect.width() > client_rect().width())
placementRect.cx = client_rect().width();
if (placementRect.height() > client_rect().height())
placementRect.cy = client_rect().height();
break;
case aspect_ratio::Keep:
if (placementRect.height() > client_rect().height())
{
placementRect.cy = client_rect().height();
placementRect.cx = placementRect.cy * iTexture.extents().cx / iTexture.extents().cy;
}
if (placementRect.width() > client_rect().width())
{
placementRect.cx = client_rect().width();
placementRect.cy = placementRect.cx * iTexture.extents().cy / iTexture.extents().cx;
}
break;
case aspect_ratio::KeepExpanding:
if (placementRect.width() > client_rect().width())
{
placementRect.cx = client_rect().width();
placementRect.cy = placementRect.cx * iTexture.extents().cy / iTexture.extents().cx;
}
break;
}
}
switch (iPlacement)
{
case cardinal_placement::NorthWest:
placementRect.position() = point{};
break;
case cardinal_placement::North:
placementRect.position() = point{ std::floor((client_rect().width() - placementRect.cx) / 2.0), 0.0 };
break;
case cardinal_placement::NorthEast:
placementRect.position() = point{ client_rect().width() - placementRect.width(), 0.0 };
break;
case cardinal_placement::West:
placementRect.position() = point{ 0.0, std::floor((client_rect().height() - placementRect.cy) / 2.0) };
break;
case cardinal_placement::Centre:
placementRect.position() = point{ std::floor((client_rect().width() - placementRect.cx) / 2.0), std::floor((client_rect().height() - placementRect.cy) / 2.0) };
break;
case cardinal_placement::East:
placementRect.position() = point{ client_rect().width() - placementRect.width(), std::floor((client_rect().height() - placementRect.cy) / 2.0) };
break;
case cardinal_placement::SouthWest:
placementRect.position() = point{ 0.0, client_rect().height() - placementRect.height() };
break;
case cardinal_placement::South:
placementRect.position() = point{ std::floor((client_rect().width() - placementRect.cx) / 2.0), client_rect().height() - placementRect.height() };
break;
case cardinal_placement::SouthEast:
placementRect.position() = point{ client_rect().width() - placementRect.width(), client_rect().height() - placementRect.height() };
break;
}
if (effectively_disabled())
aGraphicsContext.set_monochrome(true);
aGraphicsContext.draw_texture(placementRect, iTexture, effectively_disabled() ? colour(0xFF, 0xFF, 0xFF, 0x80) : optional_colour());
aGraphicsContext.set_monochrome(false);
}
