void WinEDA_DrawPanel::EraseScreen(wxDC * DC)
/*********************************************/
{
GRSetDrawMode(DC, GR_COPY);
GRSFilledRect(&m_ClipBox, DC, m_ClipBox.GetX(), m_ClipBox.GetY(),
m_ClipBox.GetRight(), m_ClipBox.GetBottom(),
g_DrawBgColor, g_DrawBgColor);
}
void EDA_DRAW_PANEL::EraseScreen( wxDC* DC )
{
GRSetDrawMode( DC, GR_COPY );
COLOR4D bgColor = GetParent()->GetDrawBgColor();
GRSFilledRect( NULL, DC, m_ClipBox.GetX(), m_ClipBox.GetY(),
m_ClipBox.GetRight(), m_ClipBox.GetBottom(),
0, bgColor, bgColor );
// Set to one (1) to draw bounding box validate bounding box calculation.
#if DEBUG_SHOW_CLIP_RECT
EDA_RECT bBox = m_ClipBox;
GRRect( NULL, DC, bBox.GetOrigin().x, bBox.GetOrigin().y,
bBox.GetEnd().x, bBox.GetEnd().y, 0, LIGHTMAGENTA );
#endif
}
/*
* This is the real print function: print the active screen
*/
void SCH_PRINTOUT::DrawPage( SCH_SCREEN* aScreen )
{
int oldZoom;
wxPoint tmp_startvisu;
wxSize pageSizeIU; // Page size in internal units
wxPoint old_org;
EDA_RECT oldClipBox;
wxRect fitRect;
wxDC* dc = GetDC();
auto panel = m_parent->GetCanvas();
wxBusyCursor dummy;
// Save current scale factor, offsets, and clip box.
tmp_startvisu = aScreen->m_StartVisu;
oldZoom = aScreen->GetZoom();
old_org = aScreen->m_DrawOrg;
oldClipBox = *panel->GetClipBox();
// Change clip box to print the whole page.
#define MAX_VALUE (INT_MAX/2) // MAX_VALUE is the max we can use in an integer
// and that allows calculations without overflow
panel->SetClipBox( EDA_RECT( wxPoint( 0, 0 ), wxSize( MAX_VALUE, MAX_VALUE ) ) );
// Change scale factor and offset to print the whole page.
bool printReference = m_parent->GetPrintSheetReference();
pageSizeIU = aScreen->GetPageSettings().GetSizeIU();
FitThisSizeToPaper( pageSizeIU );
fitRect = GetLogicalPaperRect();
wxLogDebug( wxT( "Fit rectangle: x = %d, y = %d, w = %d, h = %d" ),
fitRect.x, fitRect.y, fitRect.width, fitRect.height );
// When is the actual paper size does not match the schematic page
// size, the drawing is not perfectly centered on X or Y axis.
// Give a draw offset centers the schematic page on the paper draw area
// Because the sizes are fitted, only an Y or X offset is needed
// and both are 0 when sizes are identical.
// Y or Y offset is not null when the X/Y size ratio differs between
// the actual paper size and the schematic page
int xoffset = ( fitRect.width - pageSizeIU.x ) / 2;
// For an obscure reason, OffsetLogicalOrigin creates issues,
// under some circumstances, when yoffset is not always null
// and changes from a page to another page
// This is only a workaround, not a fix
// see https://bugs.launchpad.net/kicad/+bug/1464773
// xoffset does not create issues.
#if 0 // FIX ME
int yoffset = ( fitRect.height - pageSizeIU.y ) / 2;
#else
// the Y centering will be not perfect, but this is less annoying
// than a blank page or a buggy centering
int yoffset = 0;
#endif
OffsetLogicalOrigin( xoffset, yoffset );
GRSetDrawMode( dc, GR_DEFAULT_DRAWMODE );
GRResetPenAndBrush( dc );
aScreen->m_IsPrinting = true;
COLOR4D bgColor = m_parent->GetDrawBgColor();
m_parent->SetDrawBgColor( COLOR4D::WHITE );
GRSetDrawMode( dc, GR_COPY );
GRSFilledRect( nullptr, dc, fitRect.GetX(), fitRect.GetY(),
fitRect.GetRight(), fitRect.GetBottom(),
0, COLOR4D::WHITE, COLOR4D::WHITE );
if( m_parent->GetPrintMonochrome() )
GRForceBlackPen( true );
aScreen->Draw( panel, dc );
if( printReference )
m_parent->DrawWorkSheet( dc, aScreen, GetDefaultLineThickness(),
IU_PER_MILS, aScreen->GetFileName(), wxEmptyString,
GetLayerColor( ( SCH_LAYER_ID )LAYER_WORKSHEET ) );
m_parent->SetDrawBgColor( bgColor );
aScreen->m_IsPrinting = false;
panel->SetClipBox( oldClipBox );
GRForceBlackPen( false );
aScreen->m_StartVisu = tmp_startvisu;
aScreen->m_DrawOrg = old_org;
aScreen->SetZoom( oldZoom );
}
