minetest/src/gui/guiBox.cpp

118 lines
3.0 KiB
C++

/*
Minetest
Copyright (C) 2013 celeron55, Perttu Ahola <celeron55@gmail.com>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 2.1 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License along
with this program; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "guiBox.h"
GUIBox::GUIBox(gui::IGUIEnvironment *env, gui::IGUIElement *parent, s32 id,
const core::rect<s32> &rectangle,
const std::array<video::SColor, 4> &colors,
const std::array<video::SColor, 4> &bordercolors,
const std::array<s32, 4> &borderwidths) :
gui::IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, rectangle),
m_colors(colors),
m_bordercolors(bordercolors),
m_borderwidths(borderwidths)
{
}
void GUIBox::draw()
{
if (!IsVisible)
return;
std::array<s32, 4> negative_borders = {0, 0, 0, 0};
std::array<s32, 4> positive_borders = {0, 0, 0, 0};
for (size_t i = 0; i <= 3; i++) {
if (m_borderwidths[i] > 0)
positive_borders[i] = m_borderwidths[i];
else
negative_borders[i] = m_borderwidths[i];
}
v2s32 upperleft = AbsoluteRect.UpperLeftCorner;
v2s32 lowerright = AbsoluteRect.LowerRightCorner;
v2s32 topleft_border = {
upperleft.X - positive_borders[3],
upperleft.Y - positive_borders[0]
};
v2s32 topleft_rect = {
upperleft.X - negative_borders[3],
upperleft.Y - negative_borders[0]
};
v2s32 lowerright_border = {
lowerright.X + positive_borders[1],
lowerright.Y + positive_borders[2]
};
v2s32 lowerright_rect = {
lowerright.X + negative_borders[1],
lowerright.Y + negative_borders[2]
};
core::rect<s32> main_rect(
topleft_rect.X,
topleft_rect.Y,
lowerright_rect.X,
lowerright_rect.Y
);
std::array<core::rect<s32>, 4> border_rects;
border_rects[0] = core::rect<s32>(
topleft_border.X,
topleft_border.Y,
lowerright_border.X,
topleft_rect.Y
);
border_rects[1] = core::rect<s32>(
lowerright_rect.X,
topleft_rect.Y,
lowerright_border.X,
lowerright_rect.Y
);
border_rects[2] = core::rect<s32>(
topleft_border.X,
lowerright_rect.Y,
lowerright_border.X,
lowerright_border.Y
);
border_rects[3] = core::rect<s32>(
topleft_border.X,
topleft_rect.Y,
topleft_rect.X,
lowerright_rect.Y
);
video::IVideoDriver *driver = Environment->getVideoDriver();
driver->draw2DRectangle(main_rect, m_colors[0], m_colors[1], m_colors[3],
m_colors[2], &AbsoluteClippingRect);
for (size_t i = 0; i <= 3; i++)
driver->draw2DRectangle(m_bordercolors[i], border_rects[i],
&AbsoluteClippingRect);
IGUIElement::draw();
}