double LIB_EDIT_FRAME::BestZoom()
{
/* Please, note: wxMSW before version 2.9 seems have
* problems with zoom values < 1 ( i.e. userscale > 1) and needs to be patched:
* edit file <wxWidgets>/src/msw/dc.cpp
* search for line static const int VIEWPORT_EXTENT = 1000;
* and replace by static const int VIEWPORT_EXTENT = 10000;
*/
int dx, dy;
LIB_PART* part = GetCurPart();
if( part )
{
EDA_RECT boundingBox = part->GetBoundingBox( m_unit, m_convert );
dx = boundingBox.GetWidth();
dy = boundingBox.GetHeight();
SetScrollCenterPosition( wxPoint( 0, 0 ) );
}
else
{
const PAGE_INFO& pageInfo = GetScreen()->GetPageSettings();
dx = pageInfo.GetSizeIU().x;
dy = pageInfo.GetSizeIU().y;
SetScrollCenterPosition( wxPoint( 0, 0 ) );
}
wxSize size = m_canvas->GetClientSize();
// Reserve a 10% margin around component bounding box.
double margin_scale_factor = 0.8;
double zx =(double) dx / ( margin_scale_factor * (double)size.x );
double zy = (double) dy / ( margin_scale_factor * (double)size.y );
double bestzoom = std::max( zx, zy );
// keep it >= minimal existing zoom (can happen for very small components
// for instance when starting a new component
if( bestzoom < GetScreen()->m_ZoomList[0] )
bestzoom = GetScreen()->m_ZoomList[0];
return bestzoom;
}
double LIB_VIEW_FRAME::BestZoom()
{
/* Please, note: wxMSW before version 2.9 seems have
* problems with zoom values < 1 ( i.e. userscale > 1) and needs to be patched:
* edit file <wxWidgets>/src/msw/dc.cpp
* search for line static const int VIEWPORT_EXTENT = 1000;
* and replace by static const int VIEWPORT_EXTENT = 10000;
*/
LIB_COMPONENT* component = NULL;
double bestzoom = 16.0; // default value for bestzoom
CMP_LIBRARY* lib = CMP_LIBRARY::FindLibrary( m_libraryName );
if( lib )
component = lib->FindComponent( m_entryName );
if( component == NULL )
{
SetScrollCenterPosition( wxPoint( 0, 0 ) );
return bestzoom;
}
wxSize size = m_canvas->GetClientSize();
EDA_RECT BoundaryBox = component->GetBoundingBox( m_unit, m_convert );
// Reserve a 10% margin around component bounding box.
double margin_scale_factor = 0.8;
double zx =(double) BoundaryBox.GetWidth() /
( margin_scale_factor * (double)size.x );
double zy = (double) BoundaryBox.GetHeight() /
( margin_scale_factor * (double)size.y);
// Calculates the best zoom
bestzoom = std::max( zx, zy );
// keep it >= minimal existing zoom (can happen for very small components
// like small power symbols
if( bestzoom < GetScreen()->m_ZoomList[0] )
bestzoom = GetScreen()->m_ZoomList[0];
SetScrollCenterPosition( BoundaryBox.Centre() );
return bestzoom;
}
double LIB_VIEW_FRAME::BestZoom()
{
LIB_PART* part = NULL;
double defaultLibraryZoom = 7.33;
if( m_libraryName.IsEmpty() || m_entryName.IsEmpty() )
{
SetScrollCenterPosition( wxPoint( 0, 0 ) );
return defaultLibraryZoom;
}
LIB_ALIAS* alias = nullptr;
try
{
alias = Prj().SchSymbolLibTable()->LoadSymbol( m_libraryName, m_entryName );
}
catch( ... )
{
}
if( alias )
part = alias->GetPart();
if( !part )
{
SetScrollCenterPosition( wxPoint( 0, 0 ) );
return defaultLibraryZoom;
}
EDA_RECT boundingBox = part->GetUnitBoundingBox( m_unit, m_convert );
double sizeX = (double) boundingBox.GetWidth();
double sizeY = (double) boundingBox.GetHeight();
wxPoint centre = boundingBox.Centre();
// Reserve a 20% margin around component bounding box.
double margin_scale_factor = 1.2;
return bestZoom( sizeX, sizeY, margin_scale_factor, centre );
}
// Factor out the calculation portion of the various BestZoom() implementations.
//
// Note that like it's forerunners this routine has an intentional side-effect: it
// sets the scroll centre position. While I'm not happy about that, it's probably
// not worth fixing as its days are numbered (GAL canvases use a different method).
double EDA_DRAW_FRAME::bestZoom( double sizeX, double sizeY, double scaleFactor, wxPoint centre )
{
double bestzoom = std::max( sizeX * scaleFactor / (double) m_canvas->GetClientSize().x,
sizeY * scaleFactor / (double) m_canvas->GetClientSize().y );
// Take scrollbars into account
DSIZE scrollbarSize = m_canvas->GetSize() - m_canvas->GetClientSize();
centre.x -= int( bestzoom * scrollbarSize.x / 2.0 );
centre.y -= int( bestzoom * scrollbarSize.y / 2.0 );
SetScrollCenterPosition( centre );
return bestzoom;
}
double PCB_BASE_FRAME::BestZoom()
{
if( m_Pcb == NULL )
return 1.0;
EDA_RECT ibbbox = GetBoardBoundingBox();
DSIZE clientz = m_canvas->GetClientSize();
DSIZE boardz( ibbbox.GetWidth(), ibbbox.GetHeight() );
double iu_per_du_X = clientz.x ? boardz.x / clientz.x : 1.0;
double iu_per_du_Y = clientz.y ? boardz.y / clientz.y : 1.0;
double bestzoom = std::max( iu_per_du_X, iu_per_du_Y );
SetScrollCenterPosition( ibbbox.Centre() );
return bestzoom;
}
double GERBVIEW_FRAME::BestZoom()
{
GERBER_DRAW_ITEM* item = GetGerberLayout()->m_Drawings;
// gives a minimal value to zoom, if no item in list
if( item == NULL )
return ZOOM_FACTOR( 350.0 );
EDA_RECT bbox = GetGerberLayout()->ComputeBoundingBox();
wxSize size = m_canvas->GetClientSize();
double x = (double) bbox.GetWidth() / (double) size.x;
double y = (double) bbox.GetHeight() / (double) size.y;
SetScrollCenterPosition( bbox.Centre() );
double best_zoom = std::max( x, y );
return best_zoom;
}
double GERBVIEW_FRAME::BestZoom()
{
EDA_RECT bbox = GetGerberLayout()->ComputeBoundingBox();
// gives a size to bbox (current page size), if no item in list
if( bbox.GetWidth() == 0 || bbox.GetHeight() == 0 )
{
wxSize pagesize = GetPageSettings().GetSizeMils();
bbox.SetSize( wxSize( Mils2iu( pagesize.x ), Mils2iu( pagesize.y ) ) );
}
// Compute best zoom:
wxSize size = m_canvas->GetClientSize();
double x = (double) bbox.GetWidth() / (double) size.x;
double y = (double) bbox.GetHeight() / (double) size.y;
double best_zoom = std::max( x, y ) * 1.1;
SetScrollCenterPosition( bbox.Centre() );
return best_zoom;
}
double LIB_EDIT_FRAME::BestZoom()
{
LIB_PART* part = GetCurPart();
double defaultLibraryZoom = 7.33;
if( !part )
{
SetScrollCenterPosition( wxPoint( 0, 0 ) );
return defaultLibraryZoom;
}
EDA_RECT boundingBox = part->GetUnitBoundingBox( m_unit, m_convert );
double sizeX = (double) boundingBox.GetWidth();
double sizeY = (double) boundingBox.GetHeight();
wxPoint centre = boundingBox.Centre();
// Reserve a 20% margin around component bounding box.
double margin_scale_factor = 1.2;
return bestZoom( sizeX, sizeY, margin_scale_factor, centre);
}
double PL_EDITOR_FRAME::BestZoom()
{
int dx, dy;
wxSize size;
dx = GetPageLayout().GetPageSettings().GetWidthIU();
dy = GetPageLayout().GetPageSettings().GetHeightIU();
size = m_canvas->GetClientSize();
// Reserve no margin because best zoom shows the full page
// and margins are already included in function that draws the sheet refernces
double margin_scale_factor = 1.0;
double zx =(double) dx / ( margin_scale_factor * (double)size.x );
double zy = (double) dy / ( margin_scale_factor * (double)size.y );
double bestzoom = std::max( zx, zy );
SetScrollCenterPosition( wxPoint( dx / 2, dy / 2 ) );
return bestzoom;
}
void EDA_DRAW_FRAME::AdjustScrollBars( const wxPoint& aCenterPositionIU )
{
BASE_SCREEN* screen = GetScreen();
if( !screen || !m_canvas )
return;
double scale = screen->GetScalingFactor();
wxLogTrace( traceScrollSettings, wxT( "Center Position = ( %d, %d ), scale = %.10g" ),
aCenterPositionIU.x, aCenterPositionIU.y, scale );
// Calculate the portion of the drawing that can be displayed in the
// client area at the current zoom level.
// visible viewport in device units ~ pixels
wxSize clientSizeDU = m_canvas->GetClientSize();
// Size of the client window in IU
DSIZE clientSizeIU( clientSizeDU.x / scale, clientSizeDU.y / scale );
// Full drawing or "page" rectangle in internal units
DBOX pageRectIU( wxPoint( 0, 0 ), wxSize( GetPageSizeIU().x, GetPageSizeIU().y ) );
// The upper left corner of the client rectangle in internal units.
double xIU = aCenterPositionIU.x - clientSizeIU.x / 2.0;
double yIU = aCenterPositionIU.y - clientSizeIU.y / 2.0;
// If drawn around the center, adjust the client rectangle accordingly.
if( screen->m_Center )
{
// half page offset.
xIU += pageRectIU.GetWidth() / 2.0;
yIU += pageRectIU.GetHeight() / 2.0;
}
DBOX clientRectIU( wxPoint( xIU, yIU ), wxSize( clientSizeIU.x, clientSizeIU.y ) );
wxPoint centerPositionIU;
// put "int" limits on the clientRect
if( clientRectIU.GetLeft() < VIRT_MIN )
clientRectIU.MoveLeftTo( VIRT_MIN );
if( clientRectIU.GetTop() < VIRT_MIN )
clientRectIU.MoveTopTo( VIRT_MIN );
if( clientRectIU.GetRight() > VIRT_MAX )
clientRectIU.MoveRightTo( VIRT_MAX );
if( clientRectIU.GetBottom() > VIRT_MAX )
clientRectIU.MoveBottomTo( VIRT_MAX );
centerPositionIU.x = KiROUND( clientRectIU.GetX() + clientRectIU.GetWidth() / 2 );
centerPositionIU.y = KiROUND( clientRectIU.GetY() + clientRectIU.GetHeight() / 2 );
if( screen->m_Center )
{
centerPositionIU.x -= KiROUND( pageRectIU.GetWidth() / 2.0 );
centerPositionIU.y -= KiROUND( pageRectIU.GetHeight() / 2.0 );
}
DSIZE virtualSizeIU;
if( pageRectIU.GetLeft() < clientRectIU.GetLeft() && pageRectIU.GetRight() > clientRectIU.GetRight() )
{
virtualSizeIU.x = pageRectIU.GetSize().x;
}
else
{
double pageCenterX = pageRectIU.GetX() + ( pageRectIU.GetWidth() / 2 );
double clientCenterX = clientRectIU.GetX() + ( clientRectIU.GetWidth() / 2 );
if( clientRectIU.GetWidth() > pageRectIU.GetWidth() )
{
if( pageCenterX > clientCenterX )
virtualSizeIU.x = ( pageCenterX - clientRectIU.GetLeft() ) * 2;
else if( pageCenterX < clientCenterX )
virtualSizeIU.x = ( clientRectIU.GetRight() - pageCenterX ) * 2;
else
virtualSizeIU.x = clientRectIU.GetWidth();
}
else
{
if( pageCenterX > clientCenterX )
virtualSizeIU.x = pageRectIU.GetWidth() + ( (pageRectIU.GetLeft() - clientRectIU.GetLeft() ) * 2 );
else if( pageCenterX < clientCenterX )
virtualSizeIU.x = pageRectIU.GetWidth() + ( (clientRectIU.GetRight() - pageRectIU.GetRight() ) * 2 );
else
virtualSizeIU.x = pageRectIU.GetWidth();
}
}
if( pageRectIU.GetTop() < clientRectIU.GetTop() && pageRectIU.GetBottom() > clientRectIU.GetBottom() )
{
virtualSizeIU.y = pageRectIU.GetSize().y;
}
else
{
double pageCenterY = pageRectIU.GetY() + ( pageRectIU.GetHeight() / 2 );
double clientCenterY = clientRectIU.GetY() + ( clientRectIU.GetHeight() / 2 );
if( clientRectIU.GetHeight() > pageRectIU.GetHeight() )
{
if( pageCenterY > clientCenterY )
virtualSizeIU.y = ( pageCenterY - clientRectIU.GetTop() ) * 2;
else if( pageCenterY < clientCenterY )
virtualSizeIU.y = ( clientRectIU.GetBottom() - pageCenterY ) * 2;
else
virtualSizeIU.y = clientRectIU.GetHeight();
}
else
{
if( pageCenterY > clientCenterY )
virtualSizeIU.y = pageRectIU.GetHeight() +
( ( pageRectIU.GetTop() - clientRectIU.GetTop() ) * 2 );
else if( pageCenterY < clientCenterY )
virtualSizeIU.y = pageRectIU.GetHeight() +
( ( clientRectIU.GetBottom() - pageRectIU.GetBottom() ) * 2 );
else
virtualSizeIU.y = pageRectIU.GetHeight();
}
}
// put "int" limits on the virtualSizeIU
virtualSizeIU.x = std::min( virtualSizeIU.x, MAX_AXIS );
virtualSizeIU.y = std::min( virtualSizeIU.y, MAX_AXIS );
if( screen->m_Center )
{
screen->m_DrawOrg.x = -KiROUND( virtualSizeIU.x / 2.0 );
screen->m_DrawOrg.y = -KiROUND( virtualSizeIU.y / 2.0 );
}
else
{
screen->m_DrawOrg.x = -KiROUND( ( virtualSizeIU.x - pageRectIU.GetWidth() ) / 2.0 );
screen->m_DrawOrg.y = -KiROUND( ( virtualSizeIU.y - pageRectIU.GetHeight() ) / 2.0 );
}
/* Always set scrollbar pixels per unit to 1 unless you want the zoom
* around cursor to jump around. This reported problem occurs when the
* zoom point is not on a pixel per unit increment. If you set the
* pixels per unit to 10, you have potential for the zoom point to
* jump around +/-5 pixels from the nearest grid point.
*/
screen->m_ScrollPixelsPerUnitX = screen->m_ScrollPixelsPerUnitY = 1;
// Number of scroll bar units for the given zoom level in device units.
double unitsX = virtualSizeIU.x * scale;
double unitsY = virtualSizeIU.y * scale;
// Calculate the scroll bar position in internal units to place the
// center position at the center of client rectangle.
SetScrollCenterPosition( centerPositionIU );
double posX = centerPositionIU.x - clientRectIU.GetWidth() / 2.0 - screen->m_DrawOrg.x;
double posY = centerPositionIU.y - clientRectIU.GetHeight() / 2.0 - screen->m_DrawOrg.y;
// Convert scroll bar position to device units.
posX = KiROUND( posX * scale );
posY = KiROUND( posY * scale );
if( posX < 0 )
{
wxLogTrace( traceScrollSettings, wxT( "Required scroll bar X position %.10g" ), posX );
posX = 0;
}
if( posX > unitsX )
{
wxLogTrace( traceScrollSettings, wxT( "Required scroll bar X position %.10g" ), posX );
posX = unitsX;
}
if( posY < 0 )
{
wxLogTrace( traceScrollSettings, wxT( "Required scroll bar Y position %.10g" ), posY );
posY = 0;
}
if( posY > unitsY )
{
wxLogTrace( traceScrollSettings, wxT( "Required scroll bar Y position %.10g" ), posY );
posY = unitsY;
}
screen->m_ScrollbarPos = wxPoint( KiROUND( posX ), KiROUND( posY ) );
screen->m_ScrollbarNumber = wxSize( KiROUND( unitsX ), KiROUND( unitsY ) );
wxLogTrace( traceScrollSettings,
wxT( "Drawing = (%.10g, %.10g), Client = (%.10g, %.10g), Offset = (%d, %d), SetScrollbars(%d, %d, %d, %d, %d, %d)" ),
virtualSizeIU.x, virtualSizeIU.y, clientSizeIU.x, clientSizeIU.y,
screen->m_DrawOrg.x, screen->m_DrawOrg.y,
screen->m_ScrollPixelsPerUnitX, screen->m_ScrollPixelsPerUnitY,
screen->m_ScrollbarNumber.x, screen->m_ScrollbarNumber.y,
screen->m_ScrollbarPos.x, screen->m_ScrollbarPos.y );
bool noRefresh = true;
m_canvas->SetScrollbars( screen->m_ScrollPixelsPerUnitX,
screen->m_ScrollPixelsPerUnitY,
screen->m_ScrollbarNumber.x,
screen->m_ScrollbarNumber.y,
screen->m_ScrollbarPos.x,
screen->m_ScrollbarPos.y, noRefresh );
}
