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Added a function to pre-calculate pixel locations for the nametable viewer in order to save computation time during Qt paint events.

This commit is contained in:
mjbudd77 2021-02-12 18:51:04 -05:00
parent 97990b671a
commit 04bd1ffcf6
2 changed files with 63 additions and 9 deletions
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62
src/drivers/Qt/NameTableViewer.cpp
View File

@ -931,6 +931,8 @@ void ppuNameTableView_t::setViewScale( int reqScale )
}
redrawtables = 1;
calcPixelLocations();
}
//----------------------------------------------------
void ppuNameTableView_t::resizeEvent(QResizeEvent *event)
@ -941,6 +943,8 @@ void ppuNameTableView_t::resizeEvent(QResizeEvent *event)
//printf("%ix%i\n", event->size().width(), event->size().height() );
redrawtables = 1;
calcPixelLocations();
}
//----------------------------------------------------
int ppuNameTableView_t::convertXY2TableTile( int x, int y, int *tableIdxOut, int *tileXout, int *tileYout )
@ -1294,10 +1298,57 @@ void ppuNameTableView_t::openPpuAddrHexEdit(void)
hexEditorOpenFromDebugger( QHexEdit::MODE_NES_PPU, ppuAddr );
}
//----------------------------------------------------
void ppuNameTableView_t::calcPixelLocations(void)
{
ppuNameTable_t *nt;
int n,i,j,ii,jj,w,h,x,y,xx,yy;
w = viewWidth / (256*2);
h = viewHeight / (240*2);
//printf("(%i,%i) %ix%i\n", event->rect().x(), event->rect().y(), event->rect().width(), event->rect().height() );
xx = 0; yy = 0;
for (n=0; n<4; n++)
{
nt = &nameTable[n];
nt->w = w; nt->h = h;
nt->x = xx = (n%2) * (viewWidth / 2);
nt->y = yy = (n/2) * (viewHeight / 2);
jj = 0;
for (j=0; j<30; j++)
{
ii = 0;
for (i=0; i<32; i++)
{
nt->tile[j][i].x = xx+(ii*w);
nt->tile[j][i].y = yy+(jj*h);
for (y=0; y<8; y++)
{
for (x=0; x<8; x++)
{
nt->tile[j][i].pixel[y][x].x = xx+(ii+x)*w;
nt->tile[j][i].pixel[y][x].y = yy+(jj+y)*h;
}
}
ii += 8;
}
jj += 8;
}
}
}
//----------------------------------------------------
void ppuNameTableView_t::paintEvent(QPaintEvent *event)
{
ppuNameTable_t *nt;
int n,i,j,ii,jj,w,h,x,y,xx,yy,ww,hh;
int n,i,j,w,h,x,y,xx,yy,ww,hh;
QPainter painter(this);
QColor scanLineColor(255,255,255);
QPen pen;
@ -1322,20 +1373,13 @@ void ppuNameTableView_t::paintEvent(QPaintEvent *event)
for (j=0; j<30; j++)
{
jj = (j*8);
for (i=0; i<32; i++)
{
ii = (i*8);
nt->tile[j][i].x = xx+(ii*w);
nt->tile[j][i].y = yy+(jj*h);
for (y=0; y<8; y++)
{
for (x=0; x<8; x++)
{
painter.fillRect( xx+(ii+x)*w, yy+(jj+y)*h, w, h, nt->tile[j][i].pixel[y][x].color );
painter.fillRect( nt->tile[j][i].pixel[y][x].x, nt->tile[j][i].pixel[y][x].y, w, h, nt->tile[j][i].pixel[y][x].color );
}
}
}

10
src/drivers/Qt/NameTableViewer.h
View File

@ -21,7 +21,14 @@
struct ppuNameTablePixel_t
{
int x;
int y;
QColor color;
ppuNameTablePixel_t(void)
{
x = y = 0;
}
};
struct ppuNameTableTile_t
@ -76,6 +83,8 @@ class ppuNameTableView_t : public QWidget
void setHoverFocus( bool hoverFocus );
bool getHoverFocus( void ){ return hover2Focus; };
void calcPixelLocations(void);
int getSelTable(void){ return selTable; };
QPoint getSelTile(void){ return selTile; };
@ -146,6 +155,7 @@ class ppuNameTableViewerDialog_t : public QDialog
~ppuNameTableViewerDialog_t(void);
void setPropertyLabels( int TileID, int TileX, int TileY, int NameTable, int PPUAddress, int AttAddress, int Attrib, int palAddr );
protected:
void closeEvent(QCloseEvent *bar);