mirror of
https://github.com/tuxbox-neutrino/neutrino.git
synced 2025-08-31 17:31:20 +02:00
Thilo Graf
69e2debb02
Stop() is not exactly attributable if fader class used as inherited and Fade() don't tell really what done and related to return value 'bool'... especially as the fader class members have been not documented.
131 lines
3.1 KiB
C++
131 lines
3.1 KiB
C++
/*
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Neutrino-GUI - DBoxII-Project
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Copyright (C) 2011 CoolStream International Ltd
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License: GPLv2
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <global.h>
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#include <driver/rcinput.h>
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#include <driver/fade.h>
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#include <unistd.h>
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#ifdef HAVE_COOL_HARDWARE
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#include <cnxtfb.h>
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#endif
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COSDFader::COSDFader(unsigned char & alpha)
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: max_alpha(alpha)
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{
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frameBuffer = CFrameBuffer::getInstance();
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fadeTimer = 0;
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fadeIn = false;
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fadeOut = false;
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}
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COSDFader::~COSDFader()
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{
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StopFade();
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}
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void COSDFader::StartFadeIn()
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{
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if(!g_settings.widget_fade)
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return;
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fadeIn = true;
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fadeOut = false;
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fadeValue = 100;
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#ifdef BOXMODEL_APOLLO
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frameBuffer->setBlendMode(CNXTFB_BLEND_MODE_UNIFORM_ALPHA); // Global alpha multiplied with pixel alpha
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#else
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frameBuffer->setBlendMode(2); // Global alpha multiplied with pixel alpha
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#endif
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frameBuffer->setBlendLevel(fadeValue);
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fadeTimer = g_RCInput->addTimer( FADE_TIME, false );
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}
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/* return true if fade out started */
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bool COSDFader::StartFadeOut()
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{
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bool ret = false;
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if ( fadeIn ) {
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g_RCInput->killTimer(fadeTimer);
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fadeIn = false;
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}
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if ((!fadeOut) && g_settings.widget_fade) {
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fadeOut = true;
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fadeTimer = g_RCInput->addTimer( FADE_TIME, false );
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#ifdef BOXMODEL_APOLLO
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frameBuffer->setBlendMode(CNXTFB_BLEND_MODE_UNIFORM_ALPHA); // Global alpha multiplied with pixel alpha
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#else
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frameBuffer->setBlendMode(2); // Global alpha multiplied with pixel alpha
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#endif
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ret = true;
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}
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return ret;
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}
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void COSDFader::StopFade()
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{
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if ( fadeIn || fadeOut ) {
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g_RCInput->killTimer(fadeTimer);
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#ifdef BOXMODEL_APOLLO
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usleep(40000);
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frameBuffer->setBlendMode(CNXTFB_BLEND_MODE_PER_PIXEL); // Global alpha multiplied with pixel alpha
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#else
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frameBuffer->setBlendMode(1); // Global alpha multiplied with pixel alpha
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#endif
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fadeIn = fadeOut = false;
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}
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}
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/* return true, if fade out done */
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bool COSDFader::FadeDone()
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{
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bool ret = false;
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if (fadeOut) { // disappear
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fadeValue += FADE_STEP;
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if (fadeValue >= 100) {
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fadeValue = max_alpha;
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g_RCInput->killTimer (fadeTimer);
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ret = true;
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} else
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frameBuffer->setBlendLevel(fadeValue);
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} else { // appears
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fadeValue -= FADE_STEP;
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if (fadeValue <= max_alpha) {
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fadeValue = max_alpha;
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g_RCInput->killTimer (fadeTimer);
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fadeIn = false;
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#ifdef BOXMODEL_APOLLO
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frameBuffer->setBlendMode(CNXTFB_BLEND_MODE_PER_PIXEL); // Global alpha multiplied with pixel alpha
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#else
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frameBuffer->setBlendMode(1); // Global alpha multiplied with pixel alpha
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#endif
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} else
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frameBuffer->setBlendLevel(fadeValue);
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}
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return ret;
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}
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