本文整理汇总了C++中VideoEntryPtr::getY方法的典型用法代码示例。如果您正苦于以下问题:C++ VideoEntryPtr::getY方法的具体用法?C++ VideoEntryPtr::getY怎么用?C++ VideoEntryPtr::getY使用的例子?那么恭喜您, 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VideoEntryPtr
的用法示例。
在下文中一共展示了VideoEntryPtr::getY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: drawNextFrame
bool VideoManager::drawNextFrame(VideoEntryPtr videoEntry) {
Video::VideoDecoder *video = videoEntry->_video;
const Graphics::Surface *frame = video->decodeNextFrame();
if (!frame || !videoEntry->isEnabled()) {
return false;
}
Graphics::Surface *convertedFrame = nullptr;
Graphics::PixelFormat pixelFormat = _vm->_system->getScreenFormat();
if (frame->format != pixelFormat) {
// We don't support downconverting to 8bpp without having
// support in the codec. Set _enableDither if shows up.
if (pixelFormat.bytesPerPixel == 1) {
warning("Cannot convert high color video frame to 8bpp");
return false;
}
// Convert to the current screen format
convertedFrame = frame->convertTo(pixelFormat, video->getPalette());
frame = convertedFrame;
} else if (pixelFormat.bytesPerPixel == 1 && video->hasDirtyPalette()) {
// Set the palette when running in 8bpp mode only
// Don't do this for Myst, which has its own per-stack handling
if (_vm->getGameType() != GType_MYST)
_vm->_system->getPaletteManager()->setPalette(video->getPalette(), 0, 256);
}
// Clip the video to make sure it stays on the screen (Myst does this a few times)
Common::Rect targetRect = Common::Rect(video->getWidth(), video->getHeight());
targetRect.translate(videoEntry->getX(), videoEntry->getY());
Common::Rect frameRect = Common::Rect(video->getWidth(), video->getHeight());
if (targetRect.left < 0) {
frameRect.left -= targetRect.left;
targetRect.left = 0;
}
if (targetRect.top < 0) {
frameRect.top -= targetRect.top;
targetRect.top = 0;
}
if (targetRect.right > _vm->_system->getWidth()) {
frameRect.right -= targetRect.right - _vm->_system->getWidth();
targetRect.right = _vm->_system->getWidth();
}
if (targetRect.bottom > _vm->_system->getHeight()) {
frameRect.bottom -= targetRect.bottom - _vm->_system->getHeight();
targetRect.bottom = _vm->_system->getHeight();
}
_vm->_system->copyRectToScreen(frame->getBasePtr(frameRect.left, frameRect.top), frame->pitch,
targetRect.left, targetRect.top, targetRect.width(), targetRect.height());
// Delete 8bpp conversion surface
if (convertedFrame) {
convertedFrame->free();
delete convertedFrame;
}
// We've drawn something to the screen, make sure we update it
return true;
}