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/***************************************************************************
* Copyright (C) 2006 by Sascha Hlusiak *
* Spam84@gmx.de *
* *
* This program is free software; you can redistribute it and/or modify *
* it under the terms of the GNU General Public License as published by *
* the Free Software Foundation; either version 2 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 General Public License for more details. *
* *
* You should have received a copy of the GNU 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 <qimage.h>
#include <math.h>
#include <kimageeffect.h>
#include "buttonimage.h"
ButtonImage::ButtonImage(const QRgb *d_normal,int w,int h)
{
normal=hovered=pressed=animated=NULL;
image_width=w;
image_height=h;
normal_data=hovered_data=animated_data=pressed_data=NULL;
org_normal_data=org_hovered_data=NULL;
normal_color=hovered_color=pressed_color=QColor(255,255,255);
reset();
if (d_normal)SetNormal(d_normal,w,h);
}
ButtonImage::~ButtonImage()
{
if (normal)delete normal;
if (hovered)delete hovered;
if (pressed)delete pressed;
if (animated)delete animated;
if (animated_data)delete[] animated_data;
if (pressed_data)delete[] pressed_data;
if (hovered_data)delete[] hovered_data;
if (normal_data)delete[] normal_data;
if (org_normal_data)delete[] org_normal_data;
if (org_hovered_data)delete[] org_hovered_data;
}
QImage ButtonImage::CreateImage(QRgb *data,QColor color)
{
tint(data,color);
QImage img=QImage((uchar*)data,image_width,image_height,32,NULL,0,QImage::LittleEndian),img2;
img.setAlphaBuffer(true);
return img;
}
void ButtonImage::reset()
{
if (normal)delete normal;
if (hovered)delete hovered;
if (pressed)delete pressed;
if (animated)delete animated;
normal=hovered=pressed=animated=NULL;
if (normal_data)delete[] normal_data;
if (hovered_data)delete[] hovered_data;
if (pressed_data)delete[] pressed_data;
if (animated_data)delete[] animated_data;
if (org_hovered_data)delete[] org_hovered_data;
if (org_normal_data)delete[] org_normal_data;
normal_data=hovered_data=animated_data=pressed_data=NULL;
org_normal_data=org_hovered_data=NULL;
hSpace=vSpace=2;
drawMode=0;
}
void ButtonImage::SetNormal(const QRgb *d_normal,int w,int h)
{
image_width=w;
image_height=h;
if (normal)delete normal;
if (animated)delete animated;
animated=NULL;
if (animated_data)delete[] animated_data;
animated_data=NULL;
if (hovered_data)delete[] hovered_data;
hovered_data=NULL;
if (pressed_data)delete[] pressed_data;
pressed_data=NULL;
if (normal_data)delete[] normal_data;
org_normal_data=new QRgb[image_width*image_height];
memcpy(org_normal_data,d_normal,sizeof(QRgb)*image_width*image_height);
normal_data=new QRgb[image_width*image_height];
memcpy(normal_data,d_normal,sizeof(QRgb)*image_width*image_height);
normal=new QImage(CreateImage(normal_data,normal_color));
}
void ButtonImage::SetHovered(const QRgb *d_hovered)
{
if (hovered)delete hovered;
if (hovered_data)delete[] hovered_data;
if (org_hovered_data)delete[] org_hovered_data;
if (d_hovered)
{
org_hovered_data=new QRgb[image_width*image_height];
hovered_data=new QRgb[image_width*image_height];
memcpy(hovered_data,d_hovered,sizeof(QRgb)*image_width*image_height);
memcpy(org_hovered_data,d_hovered,sizeof(QRgb)*image_width*image_height);
hovered=new QImage(CreateImage(hovered_data,hovered_color));
}else{
hovered=NULL;
hovered_data=NULL;
org_hovered_data=NULL;
}
}
void ButtonImage::SetPressed(const QRgb *d_pressed)
{
if (pressed)delete pressed;
if (pressed_data)delete[] pressed_data;
if (d_pressed)
{
pressed_data=new QRgb[image_width*image_height];
memcpy(pressed_data,d_pressed,sizeof(QRgb)*image_width*image_height);
pressed=new QImage(CreateImage(pressed_data,pressed_color));
}else{
pressed=NULL;
pressed_data=NULL;
}
}
bool ButtonImage::initialized()
{
return ((org_normal_data!=NULL)&&(normal_data!=NULL)&&(normal!=NULL));
}
void ButtonImage::finish()
{
if (!org_normal_data)
{
/* printf("ERROR: No org_normal_data set!\n"); */
return;
}
if (!hovered_data){
hovered_data=new QRgb[image_width*image_height];
float faktor=::factory->hovereffect?0.5:1.0;
for (int i=0;i<image_width*image_height;i++)
{
hovered_data[i]=qRgba(qRed(org_normal_data[i]),qGreen(org_normal_data[i]),qBlue(org_normal_data[i]),
(int)(255.0*pow((float)qAlpha(org_normal_data[i])/255.0,faktor)));
}
if (org_hovered_data)delete[] org_hovered_data;
org_hovered_data=new QRgb[image_width*image_height];
memcpy(org_hovered_data,hovered_data,sizeof(QRgb)*image_width*image_height);
hovered=new QImage(CreateImage(hovered_data,hovered_color));
}
if (!pressed_data){
float faktor=::factory->hovereffect?0.5:0.4;
pressed_data=new QRgb[image_width*image_height];
if (!org_hovered_data)
{
org_hovered_data=hovered_data;
printf("ERROR: %s (@%d)\n",__FILE__,__LINE__);
}
for (int i=0;i<image_width*image_height;i++)
{
pressed_data[i]=qRgba(qRed(org_hovered_data[i]),qGreen(org_hovered_data[i]),qBlue(org_hovered_data[i]),
(int)(255.0*pow((float)qAlpha(org_hovered_data[i])/255.0,faktor)));
}
pressed=new QImage(CreateImage(pressed_data,pressed_color));
}
if (!animated_data)animated_data=new QRgb[image_width*image_height];
if (!animated)
{
animated=new QImage((uchar*)animated_data,image_width,image_height,32,NULL,0,QImage::LittleEndian);
animated->setAlphaBuffer(true);
}
}
QImage* ButtonImage::getAnimated( float anim)
{
if (!normal_data)return NULL;
if (!animated_data)return NULL;
for (int i=0;i<image_width*image_height;i++)
{
const float r1=(float)qRed(normal_data[i])/255.0f;
const float r2=(float)qRed(hovered_data[i])/255.0f;
const float g1=(float)qGreen(normal_data[i])/255.0f;
const float g2=(float)qGreen(hovered_data[i])/255.0f;
const float b1=(float)qBlue(normal_data[i])/255.0f;
const float b2=(float)qBlue(hovered_data[i])/255.0f;
const float a1=(float)qAlpha(normal_data[i])/255.0f;
const float a2=(float)qAlpha(hovered_data[i])/255.0f;
animated_data[i]=qRgba(
(int)((r1*(1.0f-anim)+r2*anim)*255.0f),
(int)((g1*(1.0f-anim)+g2*anim)*255.0f),
(int)((b1*(1.0f-anim)+b2*anim)*255.0f),
(int)((a1*(1.0f-anim)+a2*anim)*255.0f));
}
return animated;
}
void ButtonImage::tint(QRgb *data,QColor color)
{
float f_r=(float)color.red()/255.0;
float f_g=(float)color.green()/255.0;
float f_b=(float)color.blue()/255.0;
for (int i=0;i<image_width*image_height;i++)
{
float r=(float)qRed(data[i])/255.0;
float g=(float)qGreen(data[i])/255.0;
float b=(float)qBlue(data[i])/255.0;
r*=f_r;
g*=f_g;
b*=f_b;
data[i]=qRgba(
(int)(r*255.0),
(int)(g*255.0),
(int)(b*255.0),
qAlpha(data[i]));
}
}
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