void EDA_DRAW_FRAME::UseGalCanvas( bool aEnable )
{
KIGFX::VIEW* view = GetGalCanvas()->GetView();
KIGFX::GAL* gal = GetGalCanvas()->GetGAL();
double zoomFactor = gal->GetWorldScale() / gal->GetZoomFactor();
// Display the same view after canvas switching
if( aEnable )
{
BASE_SCREEN* screen = GetScreen();
// Switch to GAL rendering
if( !IsGalCanvasActive() )
{
// Set up viewport
double zoom = 1.0 / ( zoomFactor * m_canvas->GetZoom() );
view->SetScale( zoom );
view->SetCenter( VECTOR2D( m_canvas->GetScreenCenterLogicalPosition() ) );
}
// Set up grid settings
gal->SetGridVisibility( IsGridVisible() );
gal->SetGridSize( VECTOR2D( screen->GetGridSize().x, screen->GetGridSize().y ) );
gal->SetGridOrigin( VECTOR2D( GetGridOrigin() ) );
}
else
{
// Switch to standard rendering
if( IsGalCanvasActive() )
{
// Change view settings only if GAL was active previously
double zoom = 1.0 / ( zoomFactor * view->GetScale() );
m_canvas->SetZoom( zoom );
VECTOR2D center = view->GetCenter();
RedrawScreen( wxPoint( center.x, center.y ), false );
}
}
m_canvas->SetEvtHandlerEnabled( !aEnable );
GetGalCanvas()->SetEvtHandlerEnabled( aEnable );
// Switch panes
m_auimgr.GetPane( wxT( "DrawFrame" ) ).Show( !aEnable );
m_auimgr.GetPane( wxT( "DrawFrameGal" ) ).Show( aEnable );
m_auimgr.Update();
// Reset current tool on switch();
SetToolID( ID_NO_TOOL_SELECTED, wxCURSOR_DEFAULT, wxEmptyString );
m_galCanvasActive = aEnable;
}
void PCBNEW_CONTROL::updateGrid()
{
BASE_SCREEN* screen = m_frame->GetScreen();
//GRID_TYPE grid = screen->GetGrid( idx );
getView()->GetGAL()->SetGridSize( VECTOR2D( screen->GetGridSize() ) );
getView()->MarkTargetDirty( KIGFX::TARGET_NONCACHED );
}
void EDA_DRAW_PANEL::SetClipBox( wxDC& aDC, const wxRect* aRect )
{
wxRect clipBox;
// Use the entire visible device area if no clip area was defined.
if( aRect == NULL )
{
BASE_SCREEN* Screen = GetScreen();
if( !Screen )
return;
Screen->m_StartVisu = CalcUnscrolledPosition( wxPoint( 0, 0 ) );
clipBox.SetSize( GetClientSize() );
int scrollX, scrollY;
double scalar = Screen->GetScalingFactor();
scrollX = KiROUND( Screen->GetGridSize().x * scalar );
scrollY = KiROUND( Screen->GetGridSize().y * scalar );
m_scrollIncrementX = std::max( GetClientSize().x / 8, scrollX );
m_scrollIncrementY = std::max( GetClientSize().y / 8, scrollY );
Screen->m_ScrollbarPos.x = GetScrollPos( wxHORIZONTAL );
Screen->m_ScrollbarPos.y = GetScrollPos( wxVERTICAL );
}
else
{
clipBox = *aRect;
}
// Pad clip box in device units.
clipBox.Inflate( CLIP_BOX_PADDING );
// Convert from device units to drawing units.
m_ClipBox.SetOrigin( wxPoint( aDC.DeviceToLogicalX( clipBox.x ),
aDC.DeviceToLogicalY( clipBox.y ) ) );
m_ClipBox.SetSize( wxSize( aDC.DeviceToLogicalXRel( clipBox.width ),
aDC.DeviceToLogicalYRel( clipBox.height ) ) );
wxLogTrace( kicadTraceCoords,
wxT( "Device clip box=(%d, %d, %d, %d), Logical clip box=(%d, %d, %d, %d)" ),
clipBox.x, clipBox.y, clipBox.width, clipBox.height,
m_ClipBox.GetX(), m_ClipBox.GetY(), m_ClipBox.GetWidth(), m_ClipBox.GetHeight() );
}
/* Move selected sheet with the cursor.
* Callback function use by m_mouseCaptureCallback.
*/
static void MoveOrResizeSheet( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPosition,
bool aErase )
{
wxPoint moveVector;
BASE_SCREEN* screen = aPanel->GetScreen();
SCH_SHEET* sheet = (SCH_SHEET*) screen->GetCurItem();
if( aErase )
sheet->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode );
wxPoint pos = sheet->GetPosition();
if( sheet->IsResized() )
{
int width = aPanel->GetParent()->GetCrossHairPosition().x - sheet->GetPosition().x;
int height = aPanel->GetParent()->GetCrossHairPosition().y - sheet->GetPosition().y;
// If the sheet doesn't have any pins, clamp the minimum size to the default values.
width = ( width < MIN_SHEET_WIDTH ) ? MIN_SHEET_WIDTH : width;
height = ( height < MIN_SHEET_HEIGHT ) ? MIN_SHEET_HEIGHT : height;
if( sheet->HasPins() )
{
int gridSizeX = KiROUND( screen->GetGridSize().x );
int gridSizeY = KiROUND( screen->GetGridSize().y );
// If the sheet has pins, use the pin positions to clamp the minimum height.
height = ( height < sheet->GetMinHeight() + gridSizeY ) ?
sheet->GetMinHeight() + gridSizeY : height;
width = ( width < sheet->GetMinWidth() + gridSizeX ) ?
sheet->GetMinWidth() + gridSizeX : width;
}
wxPoint grid = aPanel->GetParent()->GetNearestGridPosition(
wxPoint( pos.x + width, pos.y + height ) );
sheet->Resize( wxSize( grid.x - pos.x, grid.y - pos.y ) );
}
else if( sheet->IsMoving() )
{
moveVector = aPanel->GetParent()->GetCrossHairPosition() - pos;
sheet->Move( moveVector );
}
sheet->Draw( aPanel, aDC, wxPoint( 0, 0 ), g_XorMode );
}
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
}
