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kicad/common/base_struct.cpp

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/********************************************************/
/* methodes pour les structures de base: */
/* EDA_BaseStruct (classe non utilisable seule) */
/* EDA_TextStruct (classe non utilisable seule) */
/********************************************************/
/* Fichier base_struct.cpp */
#include "fctsys.h"
#include "gr_basic.h"
#include "trigo.h"
#include "common.h"
#include "grfonte.h"
#include "macros.h"
#include "wxstruct.h"
#include "class_drawpanel.h"
#include "class_base_screen.h"
#include "drawtxt.h"
enum textbox {
ID_TEXTBOX_LIST = 8010
};
/******************************************************************************/
EDA_BaseStruct::EDA_BaseStruct( EDA_BaseStruct* parent, KICAD_T idType )
/******************************************************************************/
{
InitVars();
m_StructType = idType;
m_Parent = parent; /* Chainage hierarchique sur struct racine */
}
/********************************************/
EDA_BaseStruct::EDA_BaseStruct( KICAD_T idType )
/********************************************/
{
InitVars();
m_StructType = idType;
}
/********************************************/
void EDA_BaseStruct::InitVars()
/********************************************/
{
m_StructType = TYPE_NOT_INIT;
Pnext = NULL; // Linked list: Link (next struct)
Pback = NULL; // Linked list: Link (previous struct)
m_Parent = NULL; // Linked list: Link (parent struct)
m_Son = NULL; // Linked list: Link (son struct)
m_List = NULL; // I am not on any list yet
m_Image = NULL; // Link to an image copy for undelete or abort command
m_Flags = 0; // flags for editions and other
m_TimeStamp = 0; // Time stamp used for logical links
m_Status = 0;
m_Selected = 0; // Used by block commands, and selective editing
}
// see base_struct.h
SEARCH_RESULT EDA_BaseStruct::IterateForward( EDA_BaseStruct* listStart,
INSPECTOR* inspector,
const void* testData,
const KICAD_T scanTypes[] )
{
EDA_BaseStruct* p = listStart;
for( ; p; p = p->Pnext )
{
if( SEARCH_QUIT == p->Visit( inspector, testData, scanTypes ) )
return SEARCH_QUIT;
}
return SEARCH_CONTINUE;
}
// see base_struct.h
// many classes inherit this method, be careful:
SEARCH_RESULT EDA_BaseStruct::Visit( INSPECTOR* inspector, const void* testData,
const KICAD_T scanTypes[] )
{
KICAD_T stype;
#if 0 && defined(DEBUG)
std::cout << GetClass().mb_str() << ' ';
#endif
for( const KICAD_T* p = scanTypes; (stype = *p) != EOT; ++p )
{
// If caller wants to inspect my type
if( stype == Type() )
{
if( SEARCH_QUIT == inspector->Inspect( this, testData ) )
return SEARCH_QUIT;
break;
}
}
return SEARCH_CONTINUE;
}
#if defined(DEBUG)
// A function that should have been in wxWidgets
std::ostream& operator<<( std::ostream& out, const wxSize& size )
{
out << " width=\"" << size.GetWidth() << "\" height=\"" << size.GetHeight() << "\"";
return out;
}
// A function that should have been in wxWidgets
std::ostream& operator<<( std::ostream& out, const wxPoint& pt )
{
out << " x=\"" << pt.x << "\" y=\"" << pt.y << "\"";
return out;
}
/**
* Function Show
* is used to output the object tree, currently for debugging only.
* @param nestLevel An aid to prettier tree indenting, and is the level
* of nesting of this object within the overall tree.
* @param os The ostream& to output to.
*/
void EDA_BaseStruct::Show( int nestLevel, std::ostream& os )
{
// XML output:
wxString s = GetClass();
NestedSpace( nestLevel, os ) << '<' << s.Lower().mb_str() << ">"
<< " Need ::Show() override for this class "
<< "</" << s.Lower().mb_str() << ">\n";
}
/**
* Function NestedSpace
* outputs nested space for pretty indenting.
* @param nestLevel The nest count
* @param os The ostream&, where to output
* @return std::ostream& - for continuation.
**/
std::ostream& EDA_BaseStruct::NestedSpace( int nestLevel, std::ostream& os )
{
for( int i = 0; i<nestLevel; ++i )
os << " ";
// number of spaces here controls indent per nest level
return os;
}
#endif
/**************************************************/
/* EDA_TextStruct (basic class, not directly used */
/**************************************************/
EDA_TextStruct::EDA_TextStruct( const wxString& text )
{
m_Size.x = m_Size.y = DEFAULT_SIZE_TEXT; /* XY size of font */
m_Orient = 0; /* Orient in 0.1 degrees */
m_Attributs = 0;
m_Mirror = false; // display mirror if true
m_HJustify = GR_TEXT_HJUSTIFY_CENTER;
m_VJustify = GR_TEXT_VJUSTIFY_CENTER; /* Justifications Horiz et Vert du texte */
m_Width = 0; /* thickness */
m_Italic = false; /* true = italic shape */
m_MultilineAllowed = false; // Set to true only for texts that can use multiline.
m_Text = text;
}
EDA_TextStruct::~EDA_TextStruct()
{
}
/**
* Function LenSize
* @return the text lenght in internal units
* @param aLine : the line of text to consider.
* For single line text, this parameter is always m_Text
*/
int EDA_TextStruct::LenSize( const wxString& aLine )
{
int nbchar = aLine.Len();
int len = ( ( (10 * m_Size.x ) / 9 ) + m_Width ) * nbchar;
return len;
}
/** Function GetTextBox
* useful in multiline texts to calculate the full text or a line area (for zones filling, locate functions....)
* @return the rect containing the line of text (i.e. the position and the size of one line)
* this rectangle is calculated for 0 orient text. if orient is not 0 the rect must be rotated to match the physical area
* @param aLine : the line of text to consider.
* for single line text, aLine is unused
* If aLine == -1, the full area (considering all lines) is returned
*/
EDA_Rect EDA_TextStruct::GetTextBox( int aLine )
{
EDA_Rect rect;
wxPoint pos;
wxArrayString* list = NULL;
wxString* text = &m_Text;
if( m_MultilineAllowed )
{
list = wxStringSplit( m_Text, '\n' );
if( aLine >= 0 && (aLine < (int)list->GetCount()) )
text = &list->Item( aLine );
else
text = &list->Item( 0 );
}
// calculate the H and V size
int dx = LenSize( *text );
int dy = m_Size.y + m_Width;
int extra_dy = (m_Size.y * 3)/10; // extra dy value for letters like j and y
/* Creates bounding box (rectangle) for an horizontal text */
wxSize textsize = wxSize( dx, dy );
rect.SetOrigin( m_Pos );
// for multiline texts ans aLine < 0, merge all rectangles
if( m_MultilineAllowed && aLine < 0 )
{
dy = GetInterline();
for( unsigned ii = 1; ii < list->GetCount(); ii++ )
{
text = &list->Item( ii );
dx = LenSize( *text );
textsize.x = MAX( textsize.x, dx );
textsize.y += dy;
}
}
delete list;
textsize.y += extra_dy;
rect.SetSize( textsize );
/* Now, calculate the rect origin, according to text justification
* At this point the area origin is the text origin (m_Pos).
* This is true only for left and top text justified texts.
* and must be recalculated for others justifications
* also, note the V justification is relative to the first line
*/
switch( m_HJustify )
{
case GR_TEXT_HJUSTIFY_LEFT:
break;
case GR_TEXT_HJUSTIFY_CENTER:
rect.SetX( rect.GetX() - (rect.GetWidth() / 2) );
break;
case GR_TEXT_HJUSTIFY_RIGHT:
rect.SetX( rect.GetX() - rect.GetWidth() );
break;
}
dy = m_Size.y + m_Width;
switch( m_VJustify )
{
case GR_TEXT_VJUSTIFY_TOP:
break;
case GR_TEXT_VJUSTIFY_CENTER:
rect.SetY( rect.GetY() - (dy / 2) );
break;
case GR_TEXT_VJUSTIFY_BOTTOM:
rect.SetY( rect.GetY() - dy );
break;
}
rect.Normalize(); // Make h and v sizes always >= 0
return rect;
}
/*************************************************/
bool EDA_TextStruct::HitTest( const wxPoint& posref )
/*************************************************/
/* locate function
* return:
* true if posref is inside the text area.
* false else.
*/
{
EDA_Rect rect = GetTextBox( -1 ); // Get the full text area.
/* Is the ref point inside the text area ? */
wxPoint location = posref;
RotatePoint( &location, m_Pos, -m_Orient );
return rect.Inside ( location);
}
/**
* Function HitTest (overlayed)
* tests if the given EDA_Rect intersect this object.
* @param refArea the given EDA_Rect to test
* @return bool - true if a hit, else false
*/
/*********************************************************/
bool EDA_TextStruct::HitTest( EDA_Rect& refArea )
/*********************************************************/
{
if( refArea.Inside( m_Pos ) )
return true;
return false;
}
/*********************************************/
int EDA_TextStruct::Pitch( int aMinTickness )
/*********************************************/
/**
* Function Pitch
* @return distance between 2 characters
* @param aMinTickness = min segments tickness
*/
{
return ( (m_Size.x * 10) / 9 ) + MAX( m_Width, aMinTickness );
}
/***************************************************************/
void EDA_TextStruct::Draw( WinEDA_DrawPanel* aPanel, wxDC* aDC,
const wxPoint& aOffset, EDA_Colors aColor,
int aDrawMode,
GRFillMode aDisplayMode, EDA_Colors aAnchor_color )
/***************************************************************/
/** Function Draw
* Draws this, that can be a multiline text
* @param aPanel = the current DrawPanel
* @param aDC = the current Device Context
* @param aOffset = draw offset (usually (0,0))
* @param EDA_Colors aColor = text color
* @param aDrawMode = GR_OR, GR_XOR.., -1 to use the current mode.
* @param aDisplayMode = FILAIRE, FILLED or SKETCH
* @param EDA_Colors aAnchor_color = anchor color ( UNSPECIFIED_COLOR = do not draw anchor ).
*/
{
if( m_MultilineAllowed )
{
wxPoint pos = m_Pos;
wxArrayString* list = wxStringSplit( m_Text, '\n' );
wxPoint offset;
offset.y = GetInterline();
RotatePoint( &offset, m_Orient );
for( unsigned i = 0; i<list->Count(); i++ )
{
wxString txt = list->Item( i );
DrawOneLineOfText( aPanel,
aDC,
aOffset,
aColor,
aDrawMode,
aDisplayMode,
aAnchor_color,
txt,
pos );
pos += offset;
}
delete (list);
}
else
DrawOneLineOfText( aPanel,
aDC,
aOffset,
aColor,
aDrawMode,
aDisplayMode,
aAnchor_color,
m_Text,
m_Pos );
}
/** Function DrawOneLineOfText
* Draw a single text line.
* Used to draw each line of this EDA_TextStruct, that can be multiline
* @param aPanel = the current DrawPanel
* @param aDC = the current Device Context
* @param aOffset = draw offset (usually (0,0))
* @param EDA_Colors aColor = text color
* @param aDrawMode = GR_OR, GR_XOR.., -1 to use the current mode.
* @param aDisplayMode = FILAIRE, FILLED or SKETCH
* @param EDA_Colors aAnchor_color = anchor color ( UNSPECIFIED_COLOR = do not draw anchor ).
* @param EDA_Colors aText = the single line of text to draw.
* @param EDA_Colors aPos = the position of this line ).
*/
void EDA_TextStruct::DrawOneLineOfText( WinEDA_DrawPanel* aPanel, wxDC* aDC,
const wxPoint& aOffset, EDA_Colors aColor,
int aDrawMode,
GRFillMode aDisplayMode, EDA_Colors aAnchor_color,
wxString& aText, wxPoint aPos )
{
int width = m_Width;
if( aDisplayMode == FILAIRE )
width = 0;
if( aDrawMode != -1 )
GRSetDrawMode( aDC, aDrawMode );
/* Draw text anchor, if allowed */
if( aAnchor_color != UNSPECIFIED_COLOR )
{
int anchor_size = aPanel->GetScreen()->Unscale( 2 );
aAnchor_color = (EDA_Colors) ( aAnchor_color & MASKCOLOR );
int cX = aPos.x + aOffset.x;
int cY = aPos.y + aOffset.y;
GRLine( &aPanel->m_ClipBox, aDC, cX - anchor_size, cY,
cX + anchor_size, cY, 0, aAnchor_color );
GRLine( &aPanel->m_ClipBox, aDC, cX, cY - anchor_size,
cX, cY + anchor_size, 0, aAnchor_color );
}
if( aDisplayMode == SKETCH )
width = -width;
wxSize size = m_Size;
if( m_Mirror )
size.x = -size.x;
DrawGraphicText( aPanel, aDC,
aOffset + aPos, aColor, aText,
m_Orient, size,
m_HJustify, m_VJustify, width, m_Italic, true );
}
/******************/
/* Class EDA_Rect */
/******************/
/******************************/
void EDA_Rect::Normalize()
/******************************/
// Ensure the height ant width are >= 0
{
if( m_Size.y < 0 )
{
m_Size.y = -m_Size.y;
m_Pos.y -= m_Size.y;
}
if( m_Size.x < 0 )
{
m_Size.x = -m_Size.x;
m_Pos.x -= m_Size.x;
}
}
/*******************************************/
bool EDA_Rect::Inside( const wxPoint& point )
/*******************************************/
/* Return TRUE if point is in Rect
* Accept rect size < 0
*/
{
int rel_posx = point.x - m_Pos.x;
int rel_posy = point.y - m_Pos.y;
wxSize size = m_Size;
if( size.x < 0 )
{
size.x = -size.x;
rel_posx += size.x;
}
if( size.y < 0 )
{
size.y = -size.y;
rel_posy += size.y;
}
return (rel_posx >= 0) && (rel_posy >= 0)
&& ( rel_posy <= size.y)
&& ( rel_posx <= size.x)
;
}
bool EDA_Rect::Intersects( const EDA_Rect aRect ) const
{
// this logic taken from wxWidgets' geometry.cpp file:
bool rc;
int left = MAX( m_Pos.x, aRect.m_Pos.x );
int right = MIN( m_Pos.x + m_Size.x, aRect.m_Pos.x + aRect.m_Size.x );
int top = MAX( m_Pos.y, aRect.m_Pos.y );
int bottom = MIN( m_Pos.y + m_Size.y, aRect.m_Pos.y + aRect.m_Size.y );
if( left < right && top < bottom )
rc = true;
else
rc = false;
return rc;
}
/**************************************************/
EDA_Rect& EDA_Rect::Inflate( wxCoord dx, wxCoord dy )
/**************************************************/
/** Function Inflate
* Inflate "this": move each horizontal edge by dx and each vertical edge by dy
* toward rect outside
* if dx and/or dy is negative, move toward rect inside (deflate)
* Works for positive and negative rect size
*
*/
{
if( m_Size.x >= 0 )
{
if( m_Size.x < -2 * dx )
{
// Don't allow deflate to eat more width than we have,
m_Pos.x += m_Size.x / 2;
m_Size.x = 0;
}
else
{
// The inflate is valid.
m_Pos.x -= dx;
m_Size.x += 2 * dx;
}
}
else // size.x < 0:
{
if( m_Size.x > -2 * dx )
{
// Don't allow deflate to eat more width than we have,
m_Pos.x -= m_Size.x / 2;
m_Size.x = 0;
}
else
{
// The inflate is valid.
m_Pos.x += dx;
m_Size.x -= 2 * dx; // m_Size.x <0: inflate when dx > 0
}
}
if( m_Size.y >= 0 )
{
if( m_Size.y < -2 * dy )
{
// Don't allow deflate to eat more height than we have,
m_Pos.y += m_Size.y / 2;
m_Size.y = 0;
}
else
{
// The inflate is valid.
m_Pos.y -= dy;
m_Size.y += 2 * dy;
}
}
else // size.y < 0:
{
if( m_Size.y > 2 * dy )
{
// Don't allow deflate to eat more height than we have,
m_Pos.y -= m_Size.y / 2;
m_Size.y = 0;
}
else
{
// The inflate is valid.
m_Pos.y += dy;
m_Size.y -= 2 * dy; // m_Size.y <0: inflate when dy > 0
}
}
return *this;
}
/**
* Function Merge
* modifies Position and Size of this in order to contain the given rect
* mainly used to calculate bounding boxes
* @param aRect = given rect to merge with this
*/
void EDA_Rect::Merge( const EDA_Rect& aRect )
{
Normalize(); // ensure width and height >= 0
EDA_Rect rect = aRect;
rect.Normalize(); // ensure width and height >= 0
wxPoint end = GetEnd();
wxPoint rect_end = rect.GetEnd();
// Change origin and size in order to contain the given rect
m_Pos.x = MIN( m_Pos.x, rect.m_Pos.x );
m_Pos.y = MIN( m_Pos.y, rect.m_Pos.y );
end.x = MAX( end.x, rect_end.x );
end.y = MAX( end.y, rect_end.y );
SetEnd( end );
}
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