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/*
Popup Plus plugin for Miranda IM
Copyright © 2002 Luca Santarelli,
© 2004-2007 Victor Pavlychko
© 2010 MPK
© 2010 Merlin_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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "stdafx.h"
class MyTestEffect;
class MyTestEffect : public IPopupPlusEffect
{
protected:
int w, h;
int alpha0, alpha1;
int frameCount;
int frame;
int stage;
int alpha;
public:
virtual void beginEffect(int w, int h, int alpha0, int alpha1, int frameCount)
{
this->w = w;
this->h = h;
this->alpha0 = alpha0;
this->alpha1 = alpha1;
this->frameCount = frameCount;
}
virtual void beginFrame(int frame)
{
this->frame = frame;
stage = (frame * 2 > frameCount) ? 1 : 0;
if (stage == 0)
alpha = alpha0 + (alpha1 - alpha0) * frame * 2 / frameCount;
else
alpha = alpha0 + (alpha1 - alpha0) * (frame * 2 - frameCount) / frameCount;
}
virtual int getPixelAlpha(int x, int y)
{
if (stage == 0) {
if ((x / 16 + y / 16) % 2)
return alpha0;
return alpha;
}
else {
if ((x / 16 + y / 16) % 2)
return alpha;
return alpha1;
}
}
virtual void endFrame() {}
virtual void endEffect() {}
virtual void destroy() { delete this; }
};
static INT_PTR svcCreateEffect_MyTestEffect(WPARAM, LPARAM) { return (INT_PTR)(new MyTestEffect); }
void PopupEfectsInitialize()
{
CreateServiceFunction(MS_POPUP_CREATEVFX LPGEN("Square fading"), svcCreateEffect_MyTestEffect);
CallService(MS_POPUP_REGISTERVFX, 0, (LPARAM)"Square fading");
}
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