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git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-beta@1953 e54a6e83-5905-42d5-8d5c-058d10e6a962
Origin commit data
------------------
Commit: 19e2c186c2
Author: [CST] Focus <focus.cst@gmail.com>
Date: 2011-12-06 (Tue, 06 Dec 2011)
108 lines
2.4 KiB
C++
108 lines
2.4 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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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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Stop();
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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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frameBuffer->setBlendMode(2); // Global alpha multiplied with pixel alpha
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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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frameBuffer->setBlendMode(2); // Global alpha multiplied with pixel alpha
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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::Stop()
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{
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if ( fadeIn || fadeOut ) {
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g_RCInput->killTimer(fadeTimer);
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frameBuffer->setBlendMode(1); // Set back to per pixel alpha
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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::Fade()
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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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frameBuffer->setBlendMode(1); // Set back to per pixel alpha
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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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