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https://github.com/minetest/minetest.git
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70 lines
2.4 KiB
C++
70 lines
2.4 KiB
C++
/*
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Part of Minetest
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Copyright (C) 2013 RealBadAngel, Maciej Kasatkin <mk@realbadangel.pl>
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Permission to use, copy, modify, and distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "guiBackgroundImage.h"
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#include "client/guiscalingfilter.h"
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#include "log.h"
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GUIBackgroundImage::GUIBackgroundImage(gui::IGUIEnvironment *env,
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gui::IGUIElement *parent, s32 id, const core::rect<s32> &rectangle,
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const std::string &name, const core::rect<s32> &middle,
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ISimpleTextureSource *tsrc, bool autoclip) :
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gui::IGUIElement(gui::EGUIET_ELEMENT, env, parent, id, rectangle),
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m_name(name), m_middle(middle), m_tsrc(tsrc), m_autoclip(autoclip)
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{
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}
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void GUIBackgroundImage::draw()
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{
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if (!IsVisible)
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return;
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video::ITexture *texture = m_tsrc->getTexture(m_name);
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if (!texture) {
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errorstream << "GUIBackgroundImage::draw() Unable to load texture:"
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<< std::endl;
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errorstream << "\t" << m_name << std::endl;
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return;
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}
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core::rect<s32> rect = AbsoluteRect;
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if (m_autoclip)
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rect.LowerRightCorner += Parent->getAbsolutePosition().getSize();
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video::IVideoDriver *driver = Environment->getVideoDriver();
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if (m_middle.getArea() == 0) {
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const video::SColor color(255, 255, 255, 255);
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const video::SColor colors[] = {color, color, color, color};
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draw2DImageFilterScaled(driver, texture, rect,
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core::rect<s32>(core::position2d<s32>(0, 0),
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core::dimension2di(texture->getOriginalSize())),
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nullptr, colors, true);
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} else {
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core::rect<s32> middle = m_middle;
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// `-x` is interpreted as `w - x`
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if (middle.LowerRightCorner.X < 0)
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middle.LowerRightCorner.X += texture->getOriginalSize().Width;
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if (middle.LowerRightCorner.Y < 0)
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middle.LowerRightCorner.Y += texture->getOriginalSize().Height;
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draw2DImage9Slice(driver, texture, rect, middle);
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}
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IGUIElement::draw();
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}
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