void NinePatchBitmap::blit(Graphics::Surface &target, int dx, int dy, int dw, int dh) {
/* don't draw bitmaps that are smaller than the fixed area */
if (dw < _h._fix || dh < _v._fix)
return;
/* if the bitmap is the same size as the origin, then draw it as-is */
if (dw == _width && dh == _height) {
Common::Rect r(1, 1, dw, dh);
_bmp->blit(target, dx, dy, Graphics::FLIP_NONE, &r);
return;
}
/* only recalculate the offsets if they have changed since the last draw */
if (_cached_dw != dw || _cached_dh != dh) {
_h.calcOffsets(dw);
_v.calcOffsets(dh);
_cached_dw = dw;
_cached_dh = dh;
}
/* draw each region */
for (uint i = 0; i < _v._m.size(); ++i) {
for (uint j = 0; j < _h._m.size(); ++j) {
Common::Rect r(_h._m[j]->offset, _v._m[i]->offset,
_h._m[j]->offset + _h._m[j]->length, _v._m[i]->offset + _v._m[i]->length);
_bmp->blit(target, dx + _h._m[j]->dest_offset, dy + _v._m[i]->dest_offset,
Graphics::FLIP_NONE, &r, TS_ARGB(255, 255, 255, 255),
_h._m[j]->dest_length, _v._m[i]->dest_length);
}
}
}
void GraphicsManager::showThumbnail(const Common::String &filename, int atX, int atY) {
Common::InSaveFile *fp = g_system->getSavefileManager()->openForLoading(filename);
if (fp == nullptr)
return;
bool headerBad = false;
if (fp->readByte() != 'S')
headerBad = true;
if (fp->readByte() != 'L')
headerBad = true;
if (fp->readByte() != 'U')
headerBad = true;
if (fp->readByte() != 'D')
headerBad = true;
if (fp->readByte() != 'S')
headerBad = true;
if (fp->readByte() != 'A')
headerBad = true;
if (headerBad) {
fatal(ERROR_GAME_LOAD_NO, filename);
return;
}
char c = fp->readByte();
while ((c = fp->readByte()))
;
int majVersion = fp->readByte();
int minVersion = fp->readByte();
int ssgVersion = VERSION(majVersion, minVersion);
if (ssgVersion >= VERSION(1, 4)) {
int fileWidth = fp->readUint32LE();
int fileHeight = fp->readUint32LE();
Graphics::TransparentSurface thumbnail;
if (!ImgLoader::loadPNGImage(fp, &thumbnail))
return;
delete fp;
fp = nullptr;
if (atX < 0) {
fileWidth += atX;
atX = 0;
}
if (atY < 0) {
fileHeight += atY;
atY = 0;
}
if (fileWidth + atX > (int)_sceneWidth)
fileWidth = _sceneWidth - atX;
if (fileHeight + atY > (int)_sceneHeight)
fileHeight = _sceneHeight - atY;
thumbnail.blit(_backdropSurface, atX, atY, Graphics::FLIP_NONE, nullptr, TS_ARGB(255, 255, 255, 255), fileWidth, fileHeight);
thumbnail.free();
}
}