minetest/src/gui/guiButtonImage.cpp
Vincent Robinson f7bcf7fa46
FormSpec: 9-slice images, animated_images, and fgimg_middle (#12453)
* FormSpec: 9-slice images and animated_images

* Add fgimg_middle; clean up code

* Address issues, add tests

* Fix stupid error; bump formspec version

* Re-add image[] elements without a size
2022-07-03 08:52:26 -04:00

95 lines
2.7 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 "guiButtonImage.h"
#include "client/guiscalingfilter.h"
#include "debug.h"
#include "IGUIEnvironment.h"
#include "IGUIImage.h"
#include "IVideoDriver.h"
#include "StyleSpec.h"
using namespace irr;
using namespace gui;
GUIButtonImage::GUIButtonImage(gui::IGUIEnvironment *environment,
gui::IGUIElement *parent, s32 id, core::rect<s32> rectangle,
ISimpleTextureSource *tsrc, bool noclip)
: GUIButton(environment, parent, id, rectangle, tsrc, noclip)
{
GUIButton::setScaleImage(true);
m_image = new GUIAnimatedImage(environment, this, id, rectangle);
sendToBack(m_image);
}
void GUIButtonImage::setForegroundImage(video::ITexture *image,
const core::rect<s32> &middle)
{
if (image == m_foreground_image)
return;
if (image != nullptr)
image->grab();
if (m_foreground_image != nullptr)
m_foreground_image->drop();
m_foreground_image = image;
m_image->setTexture(image);
m_image->setMiddleRect(middle);
}
//! Set element properties from a StyleSpec
void GUIButtonImage::setFromStyle(const StyleSpec &style)
{
GUIButton::setFromStyle(style);
video::IVideoDriver *driver = Environment->getVideoDriver();
if (style.isNotDefault(StyleSpec::FGIMG)) {
video::ITexture *texture = style.getTexture(StyleSpec::FGIMG,
getTextureSource());
setForegroundImage(guiScalingImageButton(driver, texture,
AbsoluteRect.getWidth(), AbsoluteRect.getHeight()),
style.getRect(StyleSpec::FGIMG_MIDDLE, m_image->getMiddleRect()));
} else {
setForegroundImage();
}
}
GUIButtonImage *GUIButtonImage::addButton(IGUIEnvironment *environment,
const core::rect<s32> &rectangle, ISimpleTextureSource *tsrc,
IGUIElement *parent, s32 id, const wchar_t *text,
const wchar_t *tooltiptext)
{
GUIButtonImage *button = new GUIButtonImage(environment,
parent ? parent : environment->getRootGUIElement(), id, rectangle, tsrc);
if (text)
button->setText(text);
if (tooltiptext)
button->setToolTipText(tooltiptext);
button->drop();
return button;
}