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- /*
- 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, bool noclip)
- : GUIButton (environment, parent, id, rectangle, noclip)
- {
- m_image = Environment->addImage(
- core::rect<s32>(0,0,rectangle.getWidth(),rectangle.getHeight()), this);
- m_image->setScaleImage(isScalingImage());
- sendToBack(m_image);
- }
- bool GUIButtonImage::OnEvent(const SEvent& event)
- {
- bool result = GUIButton::OnEvent(event);
- EGUI_BUTTON_IMAGE_STATE imageState = getImageState(isPressed(), m_foreground_images);
- video::ITexture *texture = m_foreground_images[(u32)imageState].Texture;
- if (texture != nullptr)
- m_image->setImage(texture);
- return result;
- }
- void GUIButtonImage::setForegroundImage(EGUI_BUTTON_IMAGE_STATE state,
- video::ITexture *image, const core::rect<s32> &sourceRect)
- {
- if (state >= EGBIS_COUNT)
- return;
- if (image)
- image->grab();
- u32 stateIdx = (u32)state;
- if (m_foreground_images[stateIdx].Texture)
- m_foreground_images[stateIdx].Texture->drop();
- m_foreground_images[stateIdx].Texture = image;
- m_foreground_images[stateIdx].SourceRect = sourceRect;
- EGUI_BUTTON_IMAGE_STATE imageState = getImageState(isPressed(), m_foreground_images);
- if (imageState == stateIdx)
- m_image->setImage(image);
- }
- void GUIButtonImage::setForegroundImage(video::ITexture *image)
- {
- setForegroundImage(gui::EGBIS_IMAGE_UP, image);
- }
- void GUIButtonImage::setForegroundImage(video::ITexture *image, const core::rect<s32> &pos)
- {
- setForegroundImage(gui::EGBIS_IMAGE_UP, image, pos);
- }
- void GUIButtonImage::setPressedForegroundImage(video::ITexture *image)
- {
- setForegroundImage(gui::EGBIS_IMAGE_DOWN, image);
- }
- void GUIButtonImage::setPressedForegroundImage(video::ITexture *image, const core::rect<s32> &pos)
- {
- setForegroundImage(gui::EGBIS_IMAGE_DOWN, image, pos);
- }
- void GUIButtonImage::setHoveredForegroundImage(video::ITexture *image)
- {
- setForegroundImage(gui::EGBIS_IMAGE_UP_MOUSEOVER, image);
- setForegroundImage(gui::EGBIS_IMAGE_UP_FOCUSED_MOUSEOVER, image);
- }
- void GUIButtonImage::setHoveredForegroundImage(video::ITexture *image, const core::rect<s32> &pos)
- {
- setForegroundImage(gui::EGBIS_IMAGE_UP_MOUSEOVER, image, pos);
- setForegroundImage(gui::EGBIS_IMAGE_UP_FOCUSED_MOUSEOVER, image, pos);
- }
- void GUIButtonImage::setFromStyle(const StyleSpec &style, ISimpleTextureSource *tsrc)
- {
- GUIButton::setFromStyle(style, tsrc);
- video::IVideoDriver *driver = Environment->getVideoDriver();
- if (style.isNotDefault(StyleSpec::FGIMG)) {
- video::ITexture *texture = style.getTexture(StyleSpec::FGIMG, tsrc);
- video::ITexture *hovered_texture = style.getTexture(StyleSpec::FGIMG_HOVERED, tsrc, texture);
- video::ITexture *pressed_texture = style.getTexture(StyleSpec::FGIMG_PRESSED, tsrc, texture);
- const core::position2di buttonCenter(AbsoluteRect.getCenter());
- core::position2d<s32> geom(buttonCenter);
- setForegroundImage(guiScalingImageButton(driver, texture, geom.X, geom.Y));
- setHoveredForegroundImage(guiScalingImageButton(driver, hovered_texture, geom.X, geom.Y));
- setPressedForegroundImage(guiScalingImageButton(driver, pressed_texture, geom.X, geom.Y));
- setScaleImage(true);
- }
- }
- void GUIButtonImage::setScaleImage(bool scaleImage)
- {
- GUIButton::setScaleImage(scaleImage);
- m_image->setScaleImage(scaleImage);
- }
- GUIButtonImage *GUIButtonImage::addButton(IGUIEnvironment *environment,
- const core::rect<s32> &rectangle, IGUIElement *parent, s32 id,
- const wchar_t *text, const wchar_t *tooltiptext)
- {
- GUIButtonImage *button = new GUIButtonImage(environment,
- parent ? parent : environment->getRootGUIElement(), id, rectangle);
- if (text)
- button->setText(text);
- if (tooltiptext)
- button->setToolTipText(tooltiptext);
- button->drop();
- return button;
- }
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