Magic_Game/Easy2D/Object/Button/ImageButton.cpp

173 lines
2.9 KiB
C++

#include "..\..\easy2d.h"
ImageButton::ImageButton() :
m_pNormalImage(nullptr),
m_pMouseInImage(nullptr),
m_pSelectedImage(nullptr),
m_pUnableImage(nullptr)
{
}
ImageButton::ImageButton(LPCTSTR image) :
ImageButton()
{
setNormal(new Image(image)); // 设置按钮在正常状态时的图片
}
ImageButton::ImageButton(Image * image) :
ImageButton()
{
setNormal(image); // 设置按钮在正常状态时的图片
}
ImageButton::~ImageButton()
{
// 所有图片的引用计数减一
SAFE_RELEASE(m_pNormalImage);
SAFE_RELEASE(m_pMouseInImage);
SAFE_RELEASE(m_pSelectedImage);
SAFE_RELEASE(m_pUnableImage);
}
void ImageButton::_setStatus(Status status)
{
if (m_eStatus != status)
{
if (status == MOUSEIN)
{
if (m_pMouseInImage) setRect(m_pMouseInImage->getRect());
}
else if (status == SELECTED)
{
if (m_pSelectedImage) setRect(m_pSelectedImage->getRect());
}
else
{
setRect(m_pNormalImage->getRect());
}
}
MouseNode::_setStatus(status);
}
void ImageButton::_onNormal()
{
if (m_pNormalImage)
{
m_pNormalImage->_onDraw();
}
}
void ImageButton::_onMouseIn()
{
if (m_pMouseInImage)
{
m_pMouseInImage->_onDraw();
}
else
{
_onNormal();
}
}
void ImageButton::_onSelected()
{
if (m_pSelectedImage)
{
m_pSelectedImage->_onDraw();
}
else
{
_onNormal();
}
}
void ImageButton::_onDisable()
{
if (m_pUnableImage)
{
m_pUnableImage->_onDraw();
}
else
{
_onNormal();
}
}
void ImageButton::setNormal(Image * image)
{
if (image)
{
// 原图片引用计数减一
SAFE_RELEASE(m_pNormalImage);
// 修改图片
m_pNormalImage = image;
// 现图片引用计数加一
m_pNormalImage->retain();
// 根据图片宽高设定按钮大小
setSize(m_pNormalImage->getSize());
// 重新计算图片位置
_resetPosition();
}
}
void ImageButton::setMouseIn(Image * image)
{
if (image)
{
SAFE_RELEASE(m_pMouseInImage);
m_pMouseInImage = image;
m_pMouseInImage->retain();
_resetPosition();
}
}
void ImageButton::setSelected(Image * image)
{
if (image)
{
SAFE_RELEASE(m_pSelectedImage);
m_pSelectedImage = image;
m_pSelectedImage->retain();
_resetPosition();
}
}
void ImageButton::setUnable(Image * image)
{
if (image)
{
SAFE_RELEASE(m_pUnableImage);
m_pUnableImage = image;
m_pUnableImage->retain();
_resetPosition();
}
}
void ImageButton::_resetPosition()
{
if (m_pNormalImage)
{
// 根据按钮位置和图片宽高设置图片位置居中显示
m_pNormalImage->setPos(getX(), getY());
}
if (m_pMouseInImage)
{
m_pMouseInImage->setPos(
getX() + (getWidth() - m_pMouseInImage->getWidth()) / 2,
getY() + (getHeight() - m_pMouseInImage->getHeight()) / 2);
}
if (m_pSelectedImage)
{
m_pSelectedImage->setPos(
getX() + (getWidth() - m_pSelectedImage->getWidth()) / 2,
getY() + (getHeight() - m_pSelectedImage->getHeight()) / 2);
}
if (m_pUnableImage)
{
m_pUnableImage->setPos(
getX() + (getWidth() - m_pUnableImage->getWidth()) / 2,
getY() + (getHeight() - m_pUnableImage->getHeight()) / 2);
}
}