void EDA_DRAW_PANEL::DrawGridAxis( wxDC* aDC, GR_DRAWMODE aDrawMode, const wxPoint& aGridOrigin )
{
if( !GetParent()->GetShowGridAxis() || ( !aGridOrigin.x && !aGridOrigin.y ) )
return;
COLOR4D color = GetParent()->GetGridColor();
GRSetDrawMode( aDC, aDrawMode );
#if DRAW_AXIS_AS_LINES
wxSize pageSize = GetParent()->GetPageSizeIU();
// Draw the Y axis
GRLine( &m_ClipBox, aDC, aGridOrigin.x, -pageSize.y,
aGridOrigin.x, pageSize.y, 0, color );
// Draw the X axis
GRLine( &m_ClipBox, aDC, -pageSize.x, aGridOrigin.y,
pageSize.x, aGridOrigin.y, 0, color );
#else
int radius = aDC->DeviceToLogicalXRel( AXIS_SIZE_IN_PIXELS );
int linewidth = aDC->DeviceToLogicalXRel( 1 );
GRSetColorPen( aDC, GetParent()->GetGridColor(), linewidth );
GRLine( &m_ClipBox, aDC, aGridOrigin.x-radius, aGridOrigin.y-radius,
aGridOrigin.x+radius, aGridOrigin.y+radius, 0, color );
// Draw the X shape
GRLine( &m_ClipBox, aDC, aGridOrigin.x+radius, aGridOrigin.y-radius,
aGridOrigin.x-radius, aGridOrigin.y+radius, 0, color );
GRCircle( &m_ClipBox, aDC, aGridOrigin, radius, linewidth, color );
#endif
}
static void WinClipAndDrawLine( EDA_RECT* ClipBox, wxDC* DC, int x1, int y1, int x2, int y2,
EDA_COLOR_T Color, int width = 1 )
{
GRLastMoveToX = x2;
GRLastMoveToY = y2;
if( ClipBox )
{
EDA_RECT clipbox(*ClipBox);
clipbox.Inflate(width/2);
if( clipLine( &clipbox, x1, y1, x2, y2 ) )
return;
}
GRSetColorPen( DC, Color, width );
DC->DrawLine( x1, y1, x2, y2 );
}
void EDA_DRAW_PANEL::DrawAuxiliaryAxis( wxDC* aDC, GR_DRAWMODE aDrawMode )
{
wxPoint origin = GetParent()->GetAuxOrigin();
if( origin == wxPoint( 0, 0 ) )
return;
COLOR4D color = COLOR4D( RED );
GRSetDrawMode( aDC, aDrawMode );
#if DRAW_AXIS_AS_LINES
wxSize pageSize = GetParent()->GetPageSizeIU();
// Draw the Y axis
GRLine( &m_ClipBox, aDC, origin.x, -pageSize.y,
origin.x, pageSize.y, 0, color );
// Draw the X axis
GRLine( &m_ClipBox, aDC, -pageSize.x, origin.y,
pageSize.x, origin.y, 0, color );
#else
int radius = aDC->DeviceToLogicalXRel( AXIS_SIZE_IN_PIXELS );
int linewidth = aDC->DeviceToLogicalXRel( 1 );
GRSetColorPen( aDC, color, linewidth );
GRLine( &m_ClipBox, aDC, origin.x, origin.y-radius,
origin.x, origin.y+radius, 0, color );
// Draw the + shape
GRLine( &m_ClipBox, aDC, origin.x-radius, origin.y,
origin.x+radius, origin.y, 0, color );
GRCircle( &m_ClipBox, aDC, origin, radius, linewidth, color );
#endif
}
void EDA_DRAW_PANEL::DrawGrid( wxDC* aDC )
{
#define MIN_GRID_SIZE 10 // min grid size in pixels to allow drawing
BASE_SCREEN* screen = GetScreen();
wxRealPoint gridSize;
wxSize screenSize;
wxPoint org;
wxRealPoint screenGridSize;
/* The grid must be visible. this is possible only is grid value
* and zoom value are sufficient
*/
gridSize = screen->GetGridSize();
screen->m_StartVisu = CalcUnscrolledPosition( wxPoint( 0, 0 ) );
screenSize = GetClientSize();
screenGridSize.x = aDC->LogicalToDeviceXRel( KiROUND( gridSize.x ) );
screenGridSize.y = aDC->LogicalToDeviceYRel( KiROUND( gridSize.y ) );
org = m_ClipBox.GetPosition();
if( screenGridSize.x < MIN_GRID_SIZE || screenGridSize.y < MIN_GRID_SIZE )
{
screenGridSize.x *= 2.0;
screenGridSize.y *= 2.0;
gridSize.x *= 2.0;
gridSize.y *= 2.0;
}
if( screenGridSize.x < MIN_GRID_SIZE || screenGridSize.y < MIN_GRID_SIZE )
return;
org = GetParent()->GetNearestGridPosition( org, &gridSize );
// Setting the nearest grid position can select grid points outside the clip box.
// Incrementing the start point by one grid step should prevent drawing grid points
// outside the clip box.
if( org.x < m_ClipBox.GetX() )
org.x += KiROUND( gridSize.x );
if( org.y < m_ClipBox.GetY() )
org.y += KiROUND( gridSize.y );
// Use a pixel based draw to display grid. There are a lot of calls, so the cost is
// high and grid is slowly drawn on some platforms. Another way using blit transfert was used,
// a long time ago, but it did not give very good results.
// The better way is highly dependent on the platform and the graphic card.
int xpos;
double right = ( double ) m_ClipBox.GetRight();
double bottom = ( double ) m_ClipBox.GetBottom();
#if defined( USE_WX_GRAPHICS_CONTEXT )
wxGCDC *gcdc = wxDynamicCast( aDC, wxGCDC );
if( gcdc )
{
// Much faster grid drawing on systems using wxGraphicsContext
wxGraphicsContext *gc = gcdc->GetGraphicsContext();
// Grid point size
const int gsz = 1;
const double w = aDC->DeviceToLogicalXRel( gsz );
const double h = aDC->DeviceToLogicalYRel( gsz );
// Use our own pen
wxPen pen( GetParent()->GetGridColor().ToColour(), h );
pen.SetCap( wxCAP_BUTT );
gc->SetPen( pen );
// draw grid
wxGraphicsPath path = gc->CreatePath();
for( double x = (double) org.x - w/2.0; x <= right - w/2.0; x += gridSize.x )
{
for( double y = (double) org.y; y <= bottom; y += gridSize.y )
{
path.MoveToPoint( x, y );
path.AddLineToPoint( x+w, y );
}
}
gc->StrokePath( path );
}
else
#endif
{
GRSetColorPen( aDC, GetParent()->GetGridColor() );
for( double x = (double) org.x; x <= right; x += gridSize.x )
{
xpos = KiROUND( x );
for( double y = (double) org.y; y <= bottom; y += gridSize.y )
{
aDC->DrawPoint( xpos, KiROUND( y ) );
}
}
}
}
void EDA_DRAW_PANEL::DrawGrid( wxDC* aDC )
{
#define MIN_GRID_SIZE 10 // min grid size in pixels to allow drawing
BASE_SCREEN* screen = GetScreen();
wxRealPoint gridSize;
wxSize screenSize;
wxPoint org;
wxRealPoint screenGridSize;
/* The grid must be visible. this is possible only is grid value
* and zoom value are sufficient
*/
gridSize = screen->GetGridSize();
screen->m_StartVisu = CalcUnscrolledPosition( wxPoint( 0, 0 ) );
screenSize = GetClientSize();
screenGridSize.x = aDC->LogicalToDeviceXRel( KiROUND( gridSize.x ) );
screenGridSize.y = aDC->LogicalToDeviceYRel( KiROUND( gridSize.y ) );
org = m_ClipBox.GetPosition();
if( screenGridSize.x < MIN_GRID_SIZE || screenGridSize.y < MIN_GRID_SIZE )
{
screenGridSize.x *= 2.0;
screenGridSize.y *= 2.0;
gridSize.x *= 2.0;
gridSize.y *= 2.0;
}
if( screenGridSize.x < MIN_GRID_SIZE || screenGridSize.y < MIN_GRID_SIZE )
return;
org = GetParent()->GetNearestGridPosition( org, &gridSize );
// Setting the nearest grid position can select grid points outside the clip box.
// Incrementing the start point by one grid step should prevent drawing grid points
// outside the clip box.
if( org.x < m_ClipBox.GetX() )
org.x += KiROUND( gridSize.x );
if( org.y < m_ClipBox.GetY() )
org.y += KiROUND( gridSize.y );
#if ( defined( __WXMAC__ ) || 1 )
// Use a pixel based draw to display grid. There are a lot of calls, so the cost is
// high and grid is slowly drawn on some platforms. Please note that this should
// always be enabled until the bitmap based solution below is fixed.
#ifndef __WXMAC__
GRSetColorPen( aDC, GetParent()->GetGridColor() );
#else
// On mac (Cocoa), a point isn't a pixel and being of size 1 don't survive to antialiasing
GRSetColorPen( aDC, GetParent()->GetGridColor(), aDC->DeviceToLogicalXRel(2) );
#endif
int xpos;
double right = ( double ) m_ClipBox.GetRight();
double bottom = ( double ) m_ClipBox.GetBottom();
for( double x = (double) org.x; x <= right; x += gridSize.x )
{
xpos = KiROUND( x );
for( double y = (double) org.y; y <= bottom; y += gridSize.y )
{
aDC->DrawPoint( xpos, KiROUND( y ) );
}
}
#else
/* This is fast only if the Blit function is fast. Not true on all platforms.
*
* A first grid column is drawn in a temporary bitmap, and after is duplicated using
* the Blit function (copy from a screen area to an other screen area).
*/
wxMemoryDC tmpDC;
wxBitmap tmpBM( 1, aDC->LogicalToDeviceYRel( m_ClipBox.GetHeight() ) );
tmpDC.SelectObject( tmpBM );
tmpDC.SetLogicalFunction( wxCOPY );
tmpDC.SetBackground( wxBrush( GetBackgroundColour() ) );
tmpDC.Clear();
tmpDC.SetPen( MakeColour( GetParent()->GetGridColor() ) );
double usx, usy;
int lox, loy, dox, doy;
aDC->GetUserScale( &usx, &usy );
aDC->GetLogicalOrigin( &lox, &loy );
aDC->GetDeviceOrigin( &dox, &doy );
// Create a dummy DC for coordinate translation because the actual DC scale and origin
// must be reset in order to work correctly.
wxBitmap tmpBitmap( 1, 1 );
wxMemoryDC scaleDC( tmpBitmap );
scaleDC.SetUserScale( usx, usy );
scaleDC.SetLogicalOrigin( lox, loy );
scaleDC.SetDeviceOrigin( dox, doy );
double bottom = ( double ) m_ClipBox.GetBottom();
// Draw a column of grid points.
for( double y = (double) org.y; y <= bottom; y += gridSize.y )
{
tmpDC.DrawPoint( 0, scaleDC.LogicalToDeviceY( KiROUND( y ) ) );
}
// Reset the device context scale and origin and restore on exit.
EDA_BLIT_NORMALIZER blitNorm( aDC );
// Mask of everything but the grid points.
tmpDC.SelectObject( wxNullBitmap );
tmpBM.SetMask( new wxMask( tmpBM, GetBackgroundColour() ) );
tmpDC.SelectObject( tmpBM );
double right = m_ClipBox.GetRight();
// Blit the column for each row of the damaged region.
for( double x = (double) org.x; x <= right; x += gridSize.x )
{
aDC->Blit( scaleDC.LogicalToDeviceX( KiROUND( x ) ),
scaleDC.LogicalToDeviceY( m_ClipBox.GetY() ),
1, tmpBM.GetHeight(), &tmpDC, 0, 0, wxCOPY, true );
}
#endif
}
void WinEDA_DrawPanel::DrawBackGround(wxDC * DC)
/***********************************************/
/* Trace les axes X et Y et la grille
La grille n'est affichee que si elle peut etre facilement visible
La grille passe toujours par le centre de l'ecran
*/
{
int Color = BLUE;
BASE_SCREEN * screen = GetScreen();
int ii,jj ,xg , yg , color;
wxSize pas_grille_affichee;
bool drawgrid = FALSE;
int zoom = GetZoom();
wxSize size;
wxPoint org;
double pasx, pasy;
color = screen->m_GridColor;
GRSetDrawMode(DC, GR_COPY);
/* le pas d'affichage doit etre assez grand pour avoir une grille visible */
drawgrid = m_Parent->m_Draw_Grid;
pas_grille_affichee = screen->GetGrid();
ii = pas_grille_affichee.x / zoom;
if (ii < 5 ) { pas_grille_affichee.x *= 2 ; ii *= 2; }
if( ii < 5 ) drawgrid = FALSE; // grille trop petite
ii = pas_grille_affichee.y / zoom;
if (ii < 5 ) { pas_grille_affichee.y *= 2 ; ii *= 2; }
if( ii < 5 ) drawgrid = FALSE; // grille trop petite
GetViewStart(&org.x, &org.y);
GetScrollPixelsPerUnit(&ii, &jj);
org.x *= ii; org.y *= jj;
screen->m_StartVisu = org;
org.x *= zoom; org.y *= zoom;
org.x += screen->m_DrawOrg.x; org.y += screen->m_DrawOrg.y;
size = GetClientSize();
size.x *= zoom; size.y *= zoom;
pasx = screen->m_UserGrid.x * m_Parent->m_InternalUnits;
pasy = screen->m_UserGrid.y * m_Parent->m_InternalUnits;
if ( screen->m_UserGridUnit != INCHES )
{
pasx /= 25.4; pasy /= 25.4;
}
if( drawgrid)
{
m_Parent->PutOnGrid(&org) ;
GRSetColorPen(DC, color );
for ( ii = 0 ; ; ii++ )
{
xg = screen->m_UserGridIsON ? (int)( (ii * pasx) + 0.5)
:ii * pas_grille_affichee.x;
int xpos = org.x + xg;
for ( jj = 0 ; ; jj++ )
{
yg = screen->m_UserGridIsON ? (int)( (jj * pasy) + 0.5)
: jj * pas_grille_affichee.y;
GRPutPixel(&m_ClipBox, DC, xpos, org.y + yg, color);
if ( yg > size.y ) break;
}
if ( xg > size.x ) break;
}
}
/* trace des axes principaux */
if ( m_Parent->m_Draw_Axes )
{
/* Trace de l'axe vertical */
GRDashedLine(&m_ClipBox, DC, 0, -screen->ReturnPageSize().y,
0, screen->ReturnPageSize().y, Color );
/* Trace de l'axe horizontal */
GRDashedLine(&m_ClipBox, DC, -screen->ReturnPageSize().x, 0,
screen->ReturnPageSize().x, 0, Color );
}
/* trace des axes auxiliaires */
if ( m_Parent->m_Draw_Auxiliary_Axe)
{
m_Draw_Auxiliary_Axe(DC, FALSE);
}
}