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kicad/eeschema/lib_text.cpp

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/***************************/
/* class_BodyItem_Text.cpp */
/***************************/
/**
* class LIB_TEXT : describes a graphic text used to draw component shapes
* This is only a graphic item
*/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "class_drawpanel.h"
#include "plot_common.h"
#include "drawtxt.h"
#include "trigo.h"
#include "program.h"
#include "lib_draw_item.h"
#include "general.h"
#include "protos.h"
#include "transform.h"
#include "lib_text.h"
LIB_TEXT::LIB_TEXT(LIB_COMPONENT * aParent) :
LIB_DRAW_ITEM( COMPONENT_GRAPHIC_TEXT_DRAW_TYPE, aParent ),
EDA_TextStruct()
{
m_Size = wxSize( 50, 50 );
m_typeName = _( "Text" );
m_rotate = false;
m_updateText = false;
}
bool LIB_TEXT::Save( FILE* ExportFile )
{
wxString text = m_Text;
// Spaces are not allowed in text because it is not double quoted:
// changed to '~'
text.Replace( wxT( " " ), wxT( "~" ) );
if( fprintf( ExportFile, "T %d %d %d %d %d %d %d %s ", m_Orient, m_Pos.x, m_Pos.y,
m_Size.x, m_Attributs, m_Unit, m_Convert, CONV_TO_UTF8( text ) ) < 0 )
return false;
if( fprintf( ExportFile, " %s %d", m_Italic ? "Italic" : "Normal",
( m_Bold > 0 ) ? 1 : 0 ) < 0 )
return false;
char hjustify = 'C';
if( m_HJustify == GR_TEXT_HJUSTIFY_LEFT )
hjustify = 'L';
else if( m_HJustify == GR_TEXT_HJUSTIFY_RIGHT )
hjustify = 'R';
char vjustify = 'C';
if( m_VJustify == GR_TEXT_VJUSTIFY_BOTTOM )
vjustify = 'B';
else if( m_VJustify == GR_TEXT_VJUSTIFY_TOP )
vjustify = 'T';
if( fprintf( ExportFile, " %c %c\n", hjustify, vjustify ) < 0 )
return false;
return true;
}
bool LIB_TEXT::Load( char* line, wxString& errorMsg )
{
int cnt, thickness;
char hjustify = 'C', vjustify = 'C';
char buf[256];
char tmp[256];
buf[0] = 0;
tmp[0] = 0; // For italic option, Not in old versions
cnt = sscanf( &line[2], "%d %d %d %d %d %d %d %s %s %d %c %c",
&m_Orient, &m_Pos.x, &m_Pos.y, &m_Size.x, &m_Attributs,
&m_Unit, &m_Convert, buf, tmp, &thickness, &hjustify,
&vjustify );
if( cnt < 8 )
{
errorMsg.Printf( _( "text only had %d parameters of the required 8" ), cnt );
return false;
}
m_Size.y = m_Size.x;
if( strnicmp( tmp, "Italic", 6 ) == 0 )
m_Italic = true;
if( thickness > 0 )
{
m_Bold = true;
}
switch( hjustify )
{
case 'L':
m_HJustify = GR_TEXT_HJUSTIFY_LEFT;
break;
case 'C':
m_HJustify = GR_TEXT_HJUSTIFY_CENTER;
break;
case 'R':
m_HJustify = GR_TEXT_HJUSTIFY_RIGHT;
break;
}
switch( vjustify )
{
case 'T':
m_VJustify = GR_TEXT_VJUSTIFY_TOP;
break;
case 'C':
m_VJustify = GR_TEXT_VJUSTIFY_CENTER;
break;
case 'B':
m_VJustify = GR_TEXT_VJUSTIFY_BOTTOM;
break;
}
/* Convert '~' to spaces. */
m_Text = CONV_FROM_UTF8( buf );
m_Text.Replace( wxT( "~" ), wxT( " " ) );
return true;
}
/**
* Function HitTest
* tests if the given wxPoint is within the bounds of this object.
* @param refPos A wxPoint to test
* @return bool - true if a hit, else false
*/
bool LIB_TEXT::HitTest( const wxPoint& refPos )
{
return HitTest( refPos, 0, DefaultTransform );
}
/** Function HitTest
* @return true if the point aPosRef is near this item
* @param aPosRef = a wxPoint to test, in eeschema space
* @param aThreshold = unused here (TextHitTest calculates its threshold )
* @param aTransMat = the transform matrix
*/
bool LIB_TEXT::HitTest( wxPoint aPosRef, int aThreshold, const TRANSFORM& aTransform )
{
wxPoint physicalpos = aTransform.TransformCoordinate( m_Pos );
wxPoint tmp = m_Pos;
m_Pos = physicalpos;
/* The text orientation may need to be flipped if the
* transformation matrix causes xy axes to be flipped.
* this simple algo works only for schematic matrix (rot 90 or/and mirror)
*/
int t1 = ( aTransform.x1 != 0 ) ^ ( m_Orient != 0 );
int orient = t1 ? TEXT_ORIENT_HORIZ : TEXT_ORIENT_VERT;
EXCHG( m_Orient, orient );
bool hit = TextHitTest( aPosRef );
EXCHG( m_Orient, orient );
m_Pos = tmp;
return hit;
}
LIB_DRAW_ITEM* LIB_TEXT::DoGenCopy()
{
LIB_TEXT* newitem = new LIB_TEXT(NULL);
newitem->m_Pos = m_Pos;
newitem->m_Orient = m_Orient;
newitem->m_Size = m_Size;
newitem->m_Attributs = m_Attributs;
newitem->m_Unit = m_Unit;
newitem->m_Convert = m_Convert;
newitem->m_Flags = m_Flags;
newitem->m_Text = m_Text;
newitem->m_Width = m_Width;
newitem->m_Italic = m_Italic;
newitem->m_Bold = m_Bold;
newitem->m_HJustify = m_HJustify;
newitem->m_VJustify = m_VJustify;
return (LIB_DRAW_ITEM*) newitem;
}
int LIB_TEXT::DoCompare( const LIB_DRAW_ITEM& other ) const
{
wxASSERT( other.Type() == COMPONENT_GRAPHIC_TEXT_DRAW_TYPE );
const LIB_TEXT* tmp = ( LIB_TEXT* ) &other;
int result = m_Text.CmpNoCase( tmp->m_Text );
if( result != 0 )
return result;
if( m_Pos.x != tmp->m_Pos.x )
return m_Pos.x - tmp->m_Pos.x;
if( m_Pos.y != tmp->m_Pos.y )
return m_Pos.y - tmp->m_Pos.y;
if( m_Size.x != tmp->m_Size.x )
return m_Size.x - tmp->m_Size.x;
if( m_Size.y != tmp->m_Size.y )
return m_Size.y - tmp->m_Size.y;
return 0;
}
void LIB_TEXT::DoOffset( const wxPoint& offset )
{
m_Pos += offset;
}
bool LIB_TEXT::DoTestInside( EDA_Rect& rect ) const
{
/*
* FIXME: This should calculate the text size and justification and
* use rectangle instect.
*/
return rect.Inside( m_Pos.x, -m_Pos.y );
}
void LIB_TEXT::DoMove( const wxPoint& newPosition )
{
m_Pos = newPosition;
}
void LIB_TEXT::DoMirrorHorizontal( const wxPoint& center )
{
m_Pos.x -= center.x;
m_Pos.x *= -1;
m_Pos.x += center.x;
}
void LIB_TEXT::DoPlot( PLOTTER* plotter, const wxPoint& offset, bool fill,
const TRANSFORM& aTransform )
{
wxASSERT( plotter != NULL );
/* The text orientation may need to be flipped if the
* transformation matrix causes xy axes to be flipped. */
int t1 = ( aTransform.x1 != 0 ) ^ ( m_Orient != 0 );
wxPoint pos = aTransform.TransformCoordinate( m_Pos ) + offset;
plotter->text( pos, UNSPECIFIED_COLOR, m_Text,
t1 ? TEXT_ORIENT_HORIZ : TEXT_ORIENT_VERT,
m_Size, GR_TEXT_HJUSTIFY_CENTER, GR_TEXT_VJUSTIFY_CENTER,
GetPenSize(), m_Italic, m_Bold );
}
/** Function GetPenSize
* @return the size of the "pen" that be used to draw or plot this item
*/
int LIB_TEXT::GetPenSize( )
{
int pensize = m_Width;
if( pensize == 0 ) // Use default values for pen size
{
if( m_Bold )
pensize = GetPenSizeForBold( m_Size.x );
else
pensize = g_DrawDefaultLineThickness;
}
// Clip pen size for small texts:
pensize = Clamp_Text_PenSize( pensize, m_Size, m_Bold );
return pensize;
}
void LIB_TEXT::drawGraphic( WinEDA_DrawPanel* aPanel, wxDC* aDC, const wxPoint& aOffset,
int aColor, int aDrawMode, void* aData, const TRANSFORM& aTransform )
{
wxPoint pos1, pos2;
int color = GetDefaultColor();
if( aColor < 0 ) // Used normal color or selected color
{
if( ( m_Selected & IS_SELECTED ) )
color = g_ItemSelectetColor;
}
else
color = aColor;
pos1 = aTransform.TransformCoordinate( m_Pos ) + aOffset;
GRSetDrawMode( aDC, aDrawMode );
/* Calculate the text orientation, according to the component
* orientation/mirror (needed when draw text in schematic)
*/
int orient = m_Orient;
if( aTransform.y1 ) // Rotate component 90 degrees.
{
if( orient == TEXT_ORIENT_HORIZ )
orient = TEXT_ORIENT_VERT;
else
orient = TEXT_ORIENT_HORIZ;
}
/* Calculate the text justification, according to the component
* orientation/mirror this is a bit complicated due to cumulative
* calculations:
* - numerous cases (mirrored or not, rotation)
* - the DrawGraphicText function recalculate also H and H justifications
* according to the text orientation.
* - When a component is mirrored, the text is not mirrored and
* justifications are complicated to calculate
* so the more easily way is to use no justifications ( Centered text )
* and use GetBoundaryBox to know the text coordinate considered as centered
*/
EDA_Rect bBox = GetBoundingBox();
pos1 = bBox.Centre(); // this is the coordinates of the graphic text relative to the
// component position in schematic Y axis orientation.
/* convert y coordinate from schematic to library Y axis orientation
* because we want to call TransformCoordinate to calculate real coordinates
*/
NEGATE( pos1.y );
pos1 = aTransform.TransformCoordinate( pos1 ) + aOffset;
DrawGraphicText( aPanel, aDC, pos1, (EDA_Colors) color, m_Text, orient, m_Size,
GR_TEXT_HJUSTIFY_CENTER, GR_TEXT_VJUSTIFY_CENTER, GetPenSize(),
m_Italic, m_Bold );
/* Enable this to draw the bounding box around the text field to validate
* the bounding box calculations.
*/
#if 0
EDA_Rect grBox;
bBox.SetY( -bBox.GetY() );
bBox.SetHeight( -bBox.GetHeight());
grBox.SetOrigin( aTransform.TransformCoordinate( bBox.GetOrigin() ) );
grBox.SetEnd( aTransform.TransformCoordinate( bBox.GetEnd() ) );
grBox.Move( aOffset );
GRRect( &aPanel->m_ClipBox, aDC, grBox.GetOrigin().x, grBox.GetOrigin().y,
grBox.GetEnd().x, grBox.GetEnd().y, 0, LIGHTMAGENTA );
#endif
}
void LIB_TEXT::DisplayInfo( WinEDA_DrawFrame* frame )
{
wxString msg;
LIB_DRAW_ITEM::DisplayInfo( frame );
msg = ReturnStringFromValue( g_UserUnit, m_Width, EESCHEMA_INTERNAL_UNIT, true );
frame->AppendMsgPanel( _( "Line width" ), msg, BLUE );
}
/**
* @return the boundary box for this, in schematic coordinates
*/
EDA_Rect LIB_TEXT::GetBoundingBox()
{
/* remenber Y coordinates in lib are bottom to top, so we must
* negate the Y position befire calling GetTextBox() that works using top to bottom
* Y axis orientation
*/
NEGATE(m_Pos.y );
EDA_Rect rect = GetTextBox();
NEGATE(m_Pos.y ); // restore Y cooordinate for the graphic text
wxPoint orig = rect.GetOrigin();
wxPoint end = rect.GetEnd();
wxPoint center = rect.Centre();
RotatePoint( &orig, center, m_Orient );
RotatePoint( &end, center, m_Orient );
rect.SetOrigin( orig );
rect.SetEnd( end );
rect.Normalize();
return rect;
}
void LIB_TEXT::Rotate()
{
if( InEditMode() )
{
m_rotate = true;
}
else
{
m_Orient = ( m_Orient == TEXT_ORIENT_VERT ) ? TEXT_ORIENT_HORIZ : TEXT_ORIENT_VERT;
}
}
void LIB_TEXT::SetText( const wxString& aText )
{
if( aText == m_Text )
return;
if( InEditMode() )
{
m_savedText = aText;
m_updateText = true;
}
else
{
m_Text = aText;
}
}
void LIB_TEXT::BeginEdit( int aEditMode, const wxPoint aPosition )
{
wxCHECK_RET( ( aEditMode & ( IS_NEW | IS_MOVED ) ) != 0,
wxT( "Invalid edit mode for LIB_TEXT object." ) );
if( aEditMode == IS_MOVED )
{
m_initialPos = m_Pos;
m_initialCursorPos = aPosition;
SetEraseLastDrawItem();
}
else
{
m_Pos = aPosition;
}
m_Flags = aEditMode;
}
bool LIB_TEXT::ContinueEdit( const wxPoint aPosition )
{
wxCHECK_MSG( ( m_Flags & ( IS_NEW | IS_MOVED ) ) != 0, false,
wxT( "Bad call to ContinueEdit(). Text is not being edited." ) );
return false;
}
void LIB_TEXT::EndEdit( const wxPoint& aPosition, bool aAbort )
{
wxCHECK_RET( ( m_Flags & ( IS_NEW | IS_MOVED ) ) != 0,
wxT( "Bad call to EndEdit(). Text is not being edited." ) );
m_Flags = 0;
m_rotate = false;
m_updateText = false;
SetEraseLastDrawItem( false );
}
void LIB_TEXT::calcEdit( const wxPoint& aPosition )
{
if( m_rotate )
{
m_Orient = ( m_Orient == TEXT_ORIENT_VERT ) ? TEXT_ORIENT_HORIZ : TEXT_ORIENT_VERT;
m_rotate = false;
}
if( m_updateText )
{
EXCHG( m_Text, m_savedText );
m_updateText = false;
}
if( m_Flags == IS_NEW )
{
SetEraseLastDrawItem();
m_Pos = aPosition;
}
else if( m_Flags == IS_MOVED )
{
Move( m_initialPos + aPosition - m_initialCursorPos );
}
}
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