本文整理汇总了C++中Audio::renderToolBox方法的典型用法代码示例。如果您正苦于以下问题：C++ Audio::renderToolBox方法的具体用法？C++ Audio::renderToolBox怎么用？C++ Audio::renderToolBox使用的例子？那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Audio的用法示例。
在下文中一共展示了Audio::renderToolBox方法的1个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: renderAudioMeter
void ApplicationOverlay::renderAudioMeter() {
Application* application = Application::getInstance();
QGLWidget* glWidget = application->getGLWidget();
Audio* audio = application->getAudio();
// Display a single screen-size quad to create an alpha blended 'collision' flash
if (audio->getCollisionFlashesScreen()) {
float collisionSoundMagnitude = audio->getCollisionSoundMagnitude();
const float VISIBLE_COLLISION_SOUND_MAGNITUDE = 0.5f;
if (collisionSoundMagnitude > VISIBLE_COLLISION_SOUND_MAGNITUDE) {
renderCollisionOverlay(glWidget->width(), glWidget->height(), audio->getCollisionSoundMagnitude());
}
}
// Audio VU Meter and Mute Icon
const int MUTE_ICON_SIZE = 24;
const int AUDIO_METER_INSET = 2;
const int MUTE_ICON_PADDING = 10;
const int AUDIO_METER_WIDTH = MIRROR_VIEW_WIDTH - MUTE_ICON_SIZE - AUDIO_METER_INSET - MUTE_ICON_PADDING;
const int AUDIO_METER_SCALE_WIDTH = AUDIO_METER_WIDTH - 2 * AUDIO_METER_INSET;
const int AUDIO_METER_HEIGHT = 8;
const int AUDIO_METER_GAP = 5;
const int AUDIO_METER_X = MIRROR_VIEW_LEFT_PADDING + MUTE_ICON_SIZE + AUDIO_METER_INSET + AUDIO_METER_GAP;
int audioMeterY;
if (Menu::getInstance()->isOptionChecked(MenuOption::Mirror)) {
audioMeterY = MIRROR_VIEW_HEIGHT + AUDIO_METER_GAP + MUTE_ICON_PADDING;
} else {
audioMeterY = AUDIO_METER_GAP + MUTE_ICON_PADDING;
}
const float AUDIO_METER_BLUE[] = { 0.0, 0.0, 1.0 };
const float AUDIO_METER_GREEN[] = { 0.0, 1.0, 0.0 };
const float AUDIO_METER_RED[] = { 1.0, 0.0, 0.0 };
const float AUDIO_GREEN_START = 0.25 * AUDIO_METER_SCALE_WIDTH;
const float AUDIO_RED_START = 0.80 * AUDIO_METER_SCALE_WIDTH;
const float CLIPPING_INDICATOR_TIME = 1.0f;
const float AUDIO_METER_AVERAGING = 0.5;
const float LOG2 = log(2.f);
const float METER_LOUDNESS_SCALE = 2.8f / 5.f;
const float LOG2_LOUDNESS_FLOOR = 11.f;
float audioLevel = 0.f;
float loudness = audio->getLastInputLoudness() + 1.f;
_trailingAudioLoudness = AUDIO_METER_AVERAGING * _trailingAudioLoudness + (1.f - AUDIO_METER_AVERAGING) * loudness;
float log2loudness = log(_trailingAudioLoudness) / LOG2;
if (log2loudness <= LOG2_LOUDNESS_FLOOR) {
audioLevel = (log2loudness / LOG2_LOUDNESS_FLOOR) * METER_LOUDNESS_SCALE * AUDIO_METER_SCALE_WIDTH;
} else {
audioLevel = (log2loudness - (LOG2_LOUDNESS_FLOOR - 1.f)) * METER_LOUDNESS_SCALE * AUDIO_METER_SCALE_WIDTH;
}
if (audioLevel > AUDIO_METER_SCALE_WIDTH) {
audioLevel = AUDIO_METER_SCALE_WIDTH;
}
bool isClipping = ((audio->getTimeSinceLastClip() > 0.f) && (audio->getTimeSinceLastClip() < CLIPPING_INDICATOR_TIME));
if ((audio->getTimeSinceLastClip() > 0.f) && (audio->getTimeSinceLastClip() < CLIPPING_INDICATOR_TIME)) {
const float MAX_MAGNITUDE = 0.7f;
float magnitude = MAX_MAGNITUDE * (1 - audio->getTimeSinceLastClip() / CLIPPING_INDICATOR_TIME);
renderCollisionOverlay(glWidget->width(), glWidget->height(), magnitude, 1.0f);
}
audio->renderToolBox(MIRROR_VIEW_LEFT_PADDING + AUDIO_METER_GAP,
audioMeterY,
Menu::getInstance()->isOptionChecked(MenuOption::Mirror));
audio->renderScope(glWidget->width(), glWidget->height());
glBegin(GL_QUADS);
if (isClipping) {
glColor3f(1, 0, 0);
} else {
glColor3f(0.475f, 0.475f, 0.475f);
}
audioMeterY += AUDIO_METER_HEIGHT;
glColor3f(0, 0, 0);
// Draw audio meter background Quad
glVertex2i(AUDIO_METER_X, audioMeterY);
glVertex2i(AUDIO_METER_X + AUDIO_METER_WIDTH, audioMeterY);
glVertex2i(AUDIO_METER_X + AUDIO_METER_WIDTH, audioMeterY + AUDIO_METER_HEIGHT);
glVertex2i(AUDIO_METER_X, audioMeterY + AUDIO_METER_HEIGHT);
if (audioLevel > AUDIO_RED_START) {
if (!isClipping) {
glColor3fv(AUDIO_METER_RED);
} else {
glColor3f(1, 1, 1);
}
// Draw Red Quad
glVertex2i(AUDIO_METER_X + AUDIO_METER_INSET + AUDIO_RED_START, audioMeterY + AUDIO_METER_INSET);
glVertex2i(AUDIO_METER_X + AUDIO_METER_INSET + audioLevel, audioMeterY + AUDIO_METER_INSET);
glVertex2i(AUDIO_METER_X + AUDIO_METER_INSET + audioLevel, audioMeterY + AUDIO_METER_HEIGHT - AUDIO_METER_INSET);
glVertex2i(AUDIO_METER_X + AUDIO_METER_INSET + AUDIO_RED_START, audioMeterY + AUDIO_METER_HEIGHT - AUDIO_METER_INSET);
audioLevel = AUDIO_RED_START;
}
//.........这里部分代码省略.........