void MatrixViewer::ShowZoom () {
MatrixRaster* tmp_m_r_list[2];
double *tmp_mtr,*tmp_mtr_cur;
const double *tmp_m_r_data;
const MatrixRaster *tmp_m_r;
const int from_x=ui->SB_xFrom->value(),from_y=ui->SB_yFrom->value();
const int to_x=ui->SB_xTo->value()+1,to_y=ui->SB_yTo->value()+1;
const int r_low=from_y-_p_from.y(),r_high=to_y-from_y;
const int c_low=from_x-_p_from.x(),c_high=to_x-from_x;
int cols,r;
tmp_m_r=static_cast<const MatrixRaster*>(&(_data[0]->data()));
cols=tmp_m_r->GetCols();
tmp_mtr=static_cast<double*>(malloc(r_high*c_high*sizeof(double)));
if (tmp_mtr==NULL) return;
tmp_m_r_data=tmp_m_r->Data()+(r_low*cols+c_low);
tmp_mtr_cur=tmp_mtr;
for (r=0; r<r_high; ++r,tmp_m_r_data+=cols,tmp_mtr_cur+=c_high)
memcpy(tmp_mtr_cur,tmp_m_r_data,c_high*sizeof(double));
tmp_m_r_list[0]=new MatrixRaster(tmp_mtr,r_high,c_high);
if (_data[1]!=NULL)
{
tmp_m_r=static_cast<const MatrixRaster*>(&(_data[1]->data()));
cols=tmp_m_r->GetCols();
tmp_mtr=static_cast<double*>(malloc(r_high*c_high*sizeof(double)));
if (tmp_mtr==NULL)
tmp_m_r_list[1]=NULL;
else
{
tmp_m_r_data=tmp_m_r->Data()+(r_low*cols+c_low);
tmp_mtr_cur=tmp_mtr;
for (r=0; r<r_high; ++r,tmp_m_r_data+=cols,tmp_mtr_cur+=c_high)
memcpy(tmp_mtr_cur,tmp_m_r_data,c_high*sizeof(double));
tmp_m_r_list[1]=new MatrixRaster(tmp_mtr,r_high,c_high);
}
}
else tmp_m_r_list[1]=NULL;
const QString &title=this->windowTitle();
const int zoomed_ind=title.lastIndexOf(tr(": zoomed"));
QString z_title=(zoomed_ind>0)? title.left(zoomed_ind) : title;
(z_title+=tr(": zoomed"))+=QString(" (%1,%2)-(%3,%4)").arg(from_x).arg(from_y).arg(to_x-1).arg(to_y-1);
MatrixViewer *tmp_m_v=new MatrixViewer(static_cast<QMdiArea*>(parentWidget()),_cntrl,inv);
tmp_m_v->Init(z_title,tmp_m_r_list);
tmp_m_v->SetLength(_length);
tmp_m_v->SetPointFrom(QPoint(from_x,from_y));
tmp_m_v->SetPointTo(QPoint(to_x,to_y));
emit ZoomMatrix(tmp_m_v);
delete tmp_m_r_list[0];
if (tmp_m_r_list[1]!=NULL) delete tmp_m_r_list[1];
//ui->Plot->adjustSize();
}
void DXImage::Draw(int x,int y,int gx,int gy,int gwid,int ghei,float zoom,float rot,Color4f color){
if(lpd3ddev==NULL)return;
if(myTexture==NULL)return;
float alpha=255;
float ux,uy,uw,uh;
int wid=desc.Width;
int hei=desc.Height;
if(gwid==0)gwid=wid-gx;
if(ghei==0)ghei=hei-gy;
/* ux=(float)(gx+0.5f)/wid;
uy=(float)(gy+0.5f)/hei;
uw=(float)(gx+gwid+0.5f)/wid;
uh=(float)(gy+ghei+0.5f)/hei;*/
ux=((float)gx)/wid;
uy=((float)gy)/hei;
uw=((float)gx+gwid)/wid;
uh=((float)gy+ghei)/hei;
if(alpha>255)alpha=255;
if(alpha<0)alpha=0;
if(ux<0.0f)ux=0.0f;
if(uy<0.0f)uy=0.0f;
if(ux>1.0f)ux=1.0f;
if(uy>1.0f)uy=1.0f;
float xf,yf,wf,hf;
xf=(float)x-wid/2;
yf=(float)y-hei/2;
wf=(float)x+wid/2;
hf=(float)y+hei/2;
DWORD c = D3DCOLOR_RGBA(
(int)(color.red),
(int)(color.green),
(int)(color.blue),
(int)(color.alpha));
CUSTOMVERTEX vertex[4]={
{xf ,yf ,0.0f ,1.0f ,c ,ux ,uy },
{wf ,yf ,0.0f ,1.0f ,c ,uw ,uy },
{wf ,hf ,0.0f ,1.0f ,c ,uw ,uh },
{xf ,hf ,0.0f ,1.0f ,c ,ux ,uh }
};
if(rot!=0)RotateMatrix(vertex,rot);
if(zoom!=1.0f)ZoomMatrix(vertex,zoom,zoom,zoom);
// void *pData;
// if(FAILED(pVertex->Lock(0, sizeof(CUSTOMVERTEX)*4, (void**)&pData, 0))){
// return;
// }
// memcpy(pData,vertex, sizeof(CUSTOMVERTEX)*4);
// pVertex->Unlock();
lpd3ddev->SetTexture(0,myTexture);
lpd3ddev->SetFVF(FVF_CUSTOM);
// lpd3ddev->SetStreamSource(0, pVertex, 0, sizeof(CUSTOMVERTEX));
// lpd3ddev->DrawPrimitive(D3DPT_TRIANGLEFAN, 0, 2);
lpd3ddev->DrawPrimitiveUP(D3DPT_TRIANGLEFAN,2,(void*)vertex,sizeof(CUSTOMVERTEX));
}
