void RenderManager::blitSurfaceToBkgScaled(const Graphics::Surface &src, const Common::Rect &_dstRect, int32 colorkey) {
if (src.w == _dstRect.width() && src.h == _dstRect.height()) {
blitSurfaceToBkg(src, _dstRect.left, _dstRect.top, colorkey);
} else {
Graphics::Surface *tmp = new Graphics::Surface;
tmp->create(_dstRect.width(), _dstRect.height(), src.format);
scaleBuffer(src.getPixels(), tmp->getPixels(), src.w, src.h, src.format.bytesPerPixel, _dstRect.width(), _dstRect.height());
blitSurfaceToBkg(*tmp, _dstRect.left, _dstRect.top, colorkey);
tmp->free();
delete tmp;
}
}
void Sprite::getScaledSpriteBuffer(SpriteList &spriteList, int spriteNumber, int scale, int &width, int &height, int &xAlign, int &yAlign, const byte *&buffer) {
SpriteInfo *spriteInfo;
if (spriteList.spriteCount <= spriteNumber) {
// this can occur in IHNM while loading a saved game from chapter 1-5 when being in the end chapter
warning("spriteList.spriteCount <= spriteNumber");
return;
}
spriteInfo = &spriteList.infoList[spriteNumber];
if (scale < 256) {
xAlign = (spriteInfo->xAlign * scale) >> 8;
yAlign = (spriteInfo->yAlign * scale) >> 8;
height = (spriteInfo->height * scale + 0x7f) >> 8;
width = (spriteInfo->width * scale + 0x7f) >> 8;
scaleBuffer(spriteInfo->decodedBuffer, spriteInfo->width, spriteInfo->height, scale);
buffer = _decodeBuf;
} else {
void Sprite::getScaledSpriteBuffer(SpriteList &spriteList, uint spriteNumber, int scale, int &width, int &height, int &xAlign, int &yAlign, const byte *&buffer) {
SpriteInfo *spriteInfo;
if (spriteList.size() <= spriteNumber) {
// this can occur in IHNM while loading a saved game from chapter 1-5 when being in the end chapter
warning("spriteList.size() <= spriteNumber");
return;
}
spriteInfo = &spriteList[spriteNumber];
if (scale < 256) {
xAlign = (spriteInfo->xAlign * scale) >> 8; //TODO: do we need to take in account sprite x&y aligns ?
yAlign = (spriteInfo->yAlign * scale) >> 8; // ????
height = (spriteInfo->height * scale + 0x7f) >> 8;
width = (spriteInfo->width * scale + 0x7f) >> 8;
size_t outLength = width * height;
if (outLength > 0) {
scaleBuffer(&spriteInfo->decodedBuffer.front(), spriteInfo->width, spriteInfo->height, scale, outLength);
buffer = &_decodeBuf.front();
} else {
buffer = NULL;
}
} else {
void ZVision::playVideo(Video::VideoDecoder &videoDecoder, const Common::Rect &destRect, bool skippable) {
byte bytesPerPixel = videoDecoder.getPixelFormat().bytesPerPixel;
uint16 origWidth = videoDecoder.getWidth();
uint16 origHeight = videoDecoder.getHeight();
uint scale = 1;
// If destRect is empty, no specific scaling was requested. However, we may choose to do scaling anyway
if (destRect.isEmpty()) {
// Most videos are very small. Therefore we do a simple 2x scale
if (origWidth * 2 <= 640 && origHeight * 2 <= 480) {
scale = 2;
}
} else {
// Assume bilinear scaling. AKA calculate the scale from just the width.
// Also assume that the scaling is in integral intervals. AKA no 1.5x scaling
// TODO: Test ^these^ assumptions
scale = destRect.width() / origWidth;
// TODO: Test if we need to support downscale.
}
uint16 pitch = origWidth * bytesPerPixel;
uint16 finalWidth = origWidth * scale;
uint16 finalHeight = origHeight * scale;
byte *scaledVideoFrameBuffer;
if (scale != 1) {
scaledVideoFrameBuffer = new byte[finalWidth * finalHeight * bytesPerPixel];
}
uint16 x = ((WINDOW_WIDTH - finalWidth) / 2) + destRect.left;
uint16 y = ((WINDOW_HEIGHT - finalHeight) / 2) + destRect.top;
_clock.stop();
videoDecoder.start();
// Only continue while the video is still playing
while (!shouldQuit() && !videoDecoder.endOfVideo() && videoDecoder.isPlaying()) {
// Check for engine quit and video stop key presses
while (!videoDecoder.endOfVideo() && videoDecoder.isPlaying() && _eventMan->pollEvent(_event)) {
switch (_event.type) {
case Common::EVENT_KEYDOWN:
switch (_event.kbd.keycode) {
case Common::KEYCODE_q:
if (_event.kbd.hasFlags(Common::KBD_CTRL))
quitGame();
break;
case Common::KEYCODE_SPACE:
if (skippable) {
videoDecoder.stop();
}
break;
default:
break;
}
default:
break;
}
}
if (videoDecoder.needsUpdate()) {
const Graphics::Surface *frame = videoDecoder.decodeNextFrame();
if (frame) {
if (scale != 1) {
scaleBuffer((const byte *)frame->getPixels(), scaledVideoFrameBuffer, origWidth, origHeight, bytesPerPixel, scale);
_system->copyRectToScreen(scaledVideoFrameBuffer, pitch * 2, x, y, finalWidth, finalHeight);
} else {
_system->copyRectToScreen((const byte *)frame->getPixels(), pitch, x, y, finalWidth, finalHeight);
}
}
}
// Always update the screen so the mouse continues to render
_system->updateScreen();
_system->delayMillis(videoDecoder.getTimeToNextFrame());
}
_clock.start();
if (scale != 1) {
delete[] scaledVideoFrameBuffer;
}
}
