Files
neutrino/src/driver/fade.cpp
svenhoefer 514bd932fc - cleanup from unsupported DUCKBOX_HARDWARE
Signed-off-by: Thilo Graf <dbt@novatux.de>
2017-11-16 19:43:26 +01:00

124 lines
2.9 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 <driver/framebuffer.h>
#include <unistd.h>
#if 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()
{
StopFade();
}
void COSDFader::StartFadeIn()
{
if(!g_settings.widget_fade)
return;
fadeIn = true;
fadeOut = false;
fadeValue = 100;
frameBuffer->setBlendMode(2); // Global alpha multiplied with pixel alpha
frameBuffer->setBlendLevel(fadeValue);
#if HAVE_SPARK_HARDWARE || (HAVE_COOL_HARDWARE && defined(BOXMODEL_CS_HD2))
usleep(60000);
#endif
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 );
frameBuffer->setBlendMode(2); // Global alpha multiplied with pixel alpha
ret = true;
}
return ret;
}
void COSDFader::StopFade()
{
if ( fadeIn || fadeOut ) {
g_RCInput->killTimer(fadeTimer);
frameBuffer->setBlendMode(1); // Global alpha multiplied with pixel alpha
#if HAVE_SPARK_HARDWARE || (HAVE_COOL_HARDWARE && defined(BOXMODEL_CS_HD2))
usleep(60000);
#endif
fadeIn = fadeOut = false;
}
}
/* return true, if fade out done */
bool COSDFader::FadeDone()
{
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;
frameBuffer->setBlendMode(1); // Global alpha multiplied with pixel alpha
#if HAVE_SPARK_HARDWARE || (HAVE_COOL_HARDWARE && defined(BOXMODEL_CS_HD2))
usleep(60000);
#endif
} else
frameBuffer->setBlendLevel(fadeValue);
}
return ret;
}