void RichRawImage::Paint(const Value& data, Draw& w, Size sz, void *) const
{
String s = data;
StringStream ss(s);
One<StreamRaster> r = StreamRaster::OpenAny(ss);
if(r) {
Size isz = r->GetSize();
if(isz.cx * isz.cy > sz.cx * sz.cy) { // conserve memory by scaling down from source
ImageEncoder m;
Rescale(m, sz, *r, r->GetSize());
w.DrawImage(0, 0, sz.cx, sz.cy, m);
}
else
w.DrawImage(0, 0, sz.cx, sz.cy, r->GetImage()); // scale up by Draw to give e.g. PDF chance to store unscaled
}
}
void cDrawRasterData::Open(const String& data, int _cx, int cy)
{
cx = _cx;
ss.Open(data);
raster = StreamRaster::OpenAny(ss);
if(raster)
si.Create(Size(cx, cy), *raster, raster->GetSize());
}
Size RichRawImage::GetPixelSize(const Value& data) const
{
String s = data;
StringStream ss(s);
One<StreamRaster> r = StreamRaster::OpenAny(ss);
if(r)
return r->GetSize();
return Size(0, 0);
}
bool RasterPlayer::LoadBuffer(const String &buffer) {
if (buffer.IsEmpty())
return false;
StringStream str(buffer);
One<StreamRaster> raster = StreamRaster::OpenAny(str);
if(!raster)
return false;
Stop();
images.Clear();
delays.Clear();
Size sz = raster->GetSize();
ImageDraw iw(sz);
Image previous;
Rect r;
for (int i = 0; i < raster->GetPageCount(); ++i) {
if (previous) {
iw.Alpha().DrawImage(r, previous, GrayColor(255));
iw.DrawImage(r, previous);
previous = Null;
}
raster->SeekPage(i);
r = raster->GetPageRect(i);
switch (raster->GetPageDisposal(i)) {
case 1:
case 2: iw.DrawRect(r, SColorFace());
break;
//case 2: iw.DrawRect(sz, White()); // It seems gif files do not comply with standard
// break;
case 4: if (i > 0)
previous = GetRect_(images[i-1], r);
iw.DrawRect(sz, SColorFace());
break;
}
iw.Alpha().DrawImage(r.left, r.top, raster->GetImage(0, 0, r.right-r.left, r.bottom-r.top), GrayColor(255));
iw.DrawImage(r.left, r.top, raster->GetImage(0, 0, r.right-r.left, r.bottom-r.top));
images.Add(iw);
delays.Add(max(50, 10*raster->GetPageDelay(i)));
}
ind = 0;
return true;
}
virtual IdeDesigner *CreateDesigner(const char *path, byte) {
if(IsImgFile(path)) {
FileIn in(path);
One<StreamRaster> o = StreamRaster::OpenAny(in);
if(o) {
Size sz = o->GetSize();
if(ToLower(GetFileExt(path)) == ".png" && sz.cx <= 768 && sz.cy <= 512) {
IdePngDes *d = new IdePngDes;
d->Load(path);
d->RestoreEditPos();
return d;
}
else {
IdeImgView *d = new IdeImgView;
d->img_sz = sz;
d->filename = path;
if(sz.cx <= 1024 && sz.cy <= 768)
d->img = o->GetImage();
else {
ImageEncoder m;
Rescale(m, GetFitSize(sz, Size(1024, 768)), *o, sz);
d->img = m;
}
return d;
}
}
else
if(ToLower(GetFileExt(path)) == ".png" && GetFileLength(path) <= 0) {
IdePngDes *d = new IdePngDes;
d->Create(path);
d->RestoreEditPos();
return d;
}
}
return NULL;
}