Files
recycled-ni-neutrino/src/driver/fade.cpp
gixxpunk ecdcc2b4f8 fix annoying gui flickering when fading is activated on nevis
Origin commit data
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Branch: ni/coolstream
Commit: 80fbe7db4c
Author: gixxpunk <thomas.harfmann@gmail.com>
Date: 2013-10-20 (Sun, 20 Oct 2013)

Origin message was:
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- fix annoying gui flickering when fading is activated on nevis

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No further description and justification available within origin commit message!

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This commit was generated by Migit
2013-10-20 21:07:59 +02:00

131 lines
3.1 KiB
C++

/*
Neutrino-GUI - DBoxII-Project
Copyright (C) 2011 CoolStream International Ltd
License: GPLv2
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.
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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <global.h>
#include <driver/rcinput.h>
#include <driver/fade.h>
#include <unistd.h>
#ifdef HAVE_COOL_HARDWARE
#include <cnxtfb.h>
#endif
COSDFader::COSDFader(unsigned char & alpha)
: max_alpha(alpha)
{
frameBuffer = CFrameBuffer::getInstance();
fadeTimer = 0;
fadeIn = false;
fadeOut = false;
}
COSDFader::~COSDFader()
{
Stop();
}
void COSDFader::StartFadeIn()
{
if(!g_settings.widget_fade)
return;
fadeIn = true;
fadeOut = false;
fadeValue = 100;
#ifdef BOXMODEL_APOLLO
frameBuffer->setBlendMode(CNXTFB_BLEND_MODE_UNIFORM_ALPHA); // Global alpha multiplied with pixel alpha
#else
frameBuffer->setBlendMode(2); // Global alpha multiplied with pixel alpha
#endif
frameBuffer->setBlendLevel(fadeValue);
fadeTimer = g_RCInput->addTimer( FADE_TIME, false );
}
/* return true if fade out started */
bool COSDFader::StartFadeOut()
{
bool ret = false;
if ( fadeIn ) {
g_RCInput->killTimer(fadeTimer);
fadeIn = false;
}
if ((!fadeOut) && g_settings.widget_fade) {
fadeOut = true;
fadeTimer = g_RCInput->addTimer( FADE_TIME, false );
#ifdef BOXMODEL_APOLLO
frameBuffer->setBlendMode(CNXTFB_BLEND_MODE_UNIFORM_ALPHA); // Global alpha multiplied with pixel alpha
#else
frameBuffer->setBlendMode(2); // Global alpha multiplied with pixel alpha
#endif
ret = true;
}
return ret;
}
void COSDFader::Stop()
{
if ( fadeIn || fadeOut ) {
g_RCInput->killTimer(fadeTimer);
#ifdef BOXMODEL_APOLLO
usleep(40000);
frameBuffer->setBlendMode(CNXTFB_BLEND_MODE_PER_PIXEL); // Global alpha multiplied with pixel alpha
#else
frameBuffer->setBlendMode(1); // Global alpha multiplied with pixel alpha
#endif
fadeIn = fadeOut = false;
}
}
/* return true, if fade out done */
bool COSDFader::Fade()
{
bool ret = false;
if (fadeOut) { // disappear
fadeValue += FADE_STEP;
if (fadeValue >= 100) {
fadeValue = max_alpha;
g_RCInput->killTimer (fadeTimer);
ret = true;
} else
frameBuffer->setBlendLevel(fadeValue);
} else { // appears
fadeValue -= FADE_STEP;
if (fadeValue <= max_alpha) {
fadeValue = max_alpha;
g_RCInput->killTimer (fadeTimer);
fadeIn = false;
#ifdef BOXMODEL_APOLLO
frameBuffer->setBlendMode(CNXTFB_BLEND_MODE_PER_PIXEL); // Global alpha multiplied with pixel alpha
#else
frameBuffer->setBlendMode(1); // Global alpha multiplied with pixel alpha
#endif
} else
frameBuffer->setBlendLevel(fadeValue);
}
return ret;
}