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kicad/common/eda_text.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2004 Jean-Pierre Charras, jean-pierre.charras@gipsa-lab.inpg.com
* Copyright (C) 2004-2011 KiCad Developers, see change_log.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file eda_text.cpp
* @brief Implementation of base KiCad text object.
*/
#include <eda_text.h>
#include <drawtxt.h>
#include <macros.h> // MAX
#include <trigo.h> // RotatePoint
#include <class_drawpanel.h> // EDA_DRAW_PANEL
// Conversion to application internal units defined at build time.
#if defined( PCBNEW )
#include <class_board_item.h>
#define MILS_TO_IU( x ) ( x * IU_PER_MILS );
#elif defined( EESCHEMA )
#include <sch_item_struct.h>
#define MILS_TO_IU( x ) ( x )
#else
#error "Cannot resolve units formatting due to no definition of EESCHEMA or PCBNEW."
#endif
EDA_TEXT::EDA_TEXT( const wxString& text )
{
m_Size.x = m_Size.y = MILS_TO_IU( DEFAULT_SIZE_TEXT ); // Width and height of font.
m_Orient = 0; // Rotation angle in 0.1 degrees.
m_Attributs = 0;
m_Mirror = false; // display mirror if true
m_HJustify = GR_TEXT_HJUSTIFY_CENTER; // Default horizontal justification is centered.
m_VJustify = GR_TEXT_VJUSTIFY_CENTER; // Default vertical justification is centered.
m_Thickness = 0; // thickness
m_Italic = false; // true = italic shape.
m_Bold = false;
m_MultilineAllowed = false; // Set to true for multiline text.
m_Text = text;
}
EDA_TEXT::EDA_TEXT( const EDA_TEXT& aText )
{
m_Pos = aText.m_Pos;
m_Size = aText.m_Size;
m_Orient = aText.m_Orient;
m_Attributs = aText.m_Attributs;
m_Mirror = aText.m_Mirror;
m_HJustify = aText.m_HJustify;
m_VJustify = aText.m_VJustify;
m_Thickness = aText.m_Thickness;
m_Italic = aText.m_Italic;
m_Bold = aText.m_Bold;
m_MultilineAllowed = aText.m_MultilineAllowed;
m_Text = aText.m_Text;
}
EDA_TEXT::~EDA_TEXT()
{
}
int EDA_TEXT::LenSize( const wxString& aLine ) const
{
return ReturnGraphicTextWidth( aLine, m_Size.x, m_Italic, m_Bold );
}
EDA_RECT EDA_TEXT::GetTextBox( int aLine, int aThickness, bool aInvertY ) const
{
EDA_RECT rect;
wxPoint pos;
wxArrayString* list = NULL;
wxString text = m_Text;
int thickness = ( aThickness < 0 ) ? m_Thickness : aThickness;
if( m_MultilineAllowed )
{
list = wxStringSplit( m_Text, '\n' );
if ( list->GetCount() ) // GetCount() == 0 for void strings
{
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 = GetInterline();
/* Creates bounding box (rectangle) for an horizontal text */
wxSize textsize = wxSize( dx, dy );
if( aInvertY )
rect.SetOrigin( m_Pos.x, -m_Pos.y );
else
rect.SetOrigin( m_Pos );
// extra dy interval for letters like j and y and ]
int extra_dy = dy - m_Size.y;
rect.Move( wxPoint( 0, -extra_dy / 2 ) ); // move origin by the half extra interval
// for multiline texts and aLine < 0, merge all rectangles
if( m_MultilineAllowed && list && aLine < 0 )
{
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;
rect.SetSize( textsize );
/* Now, calculate the rect origin, according to text justification
* At this point the rectangle origin is the text origin (m_Pos).
* This is true only for left and top text justified texts (using top to bottom Y axis
* orientation). 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:
if( m_Mirror )
rect.SetX( rect.GetX() - rect.GetWidth() );
break;
case GR_TEXT_HJUSTIFY_CENTER:
rect.SetX( rect.GetX() - (rect.GetWidth() / 2) );
break;
case GR_TEXT_HJUSTIFY_RIGHT:
if( !m_Mirror )
rect.SetX( rect.GetX() - rect.GetWidth() );
break;
}
dy = m_Size.y + thickness;
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.Inflate( thickness / 2 );
rect.Normalize(); // Make h and v sizes always >= 0
return rect;
}
bool EDA_TEXT::TextHitTest( const wxPoint& aPoint, int aAccuracy ) const
{
EDA_RECT rect = GetTextBox( -1 ); // Get the full text area.
wxPoint location = aPoint;
rect.Inflate( aAccuracy );
RotatePoint( &location, m_Pos, -m_Orient );
return rect.Contains( location );
}
bool EDA_TEXT::TextHitTest( const EDA_RECT& aRect, bool aContains, int aAccuracy ) const
{
EDA_RECT rect = aRect;
rect.Inflate( aAccuracy );
if( aContains )
return rect.Contains( GetTextBox( -1 ) );
return rect.Intersects( GetTextBox( -1 ) );
}
void EDA_TEXT::Draw( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aOffset,
EDA_COLOR_T aColor, int aDrawMode,
EDA_DRAW_MODE_T aFillMode, EDA_COLOR_T aAnchor_color )
{
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,
aFillMode,
i ? UNSPECIFIED : aAnchor_color,
txt,
pos );
pos += offset;
}
delete (list);
}
else
DrawOneLineOfText( aPanel,
aDC,
aOffset,
aColor,
aDrawMode,
aFillMode,
aAnchor_color,
m_Text,
m_Pos );
}
void EDA_TEXT::DrawOneLineOfText( EDA_DRAW_PANEL* aPanel, wxDC* aDC,
const wxPoint& aOffset, EDA_COLOR_T aColor,
int aDrawMode, EDA_DRAW_MODE_T aFillMode,
EDA_COLOR_T aAnchor_color,
wxString& aText, wxPoint aPos )
{
int width = m_Thickness;
if( aFillMode == LINE )
width = 0;
if( aDrawMode != -1 )
GRSetDrawMode( aDC, aDrawMode );
/* Draw text anchor, if allowed */
if( aAnchor_color != UNSPECIFIED )
{
int anchor_size = aDC->DeviceToLogicalXRel( 2 );
aAnchor_color = (EDA_COLOR_T) ( aAnchor_color & MASKCOLOR );
int cX = aPos.x + aOffset.x;
int cY = aPos.y + aOffset.y;
GRLine( aPanel->GetClipBox(), aDC, cX - anchor_size, cY,
cX + anchor_size, cY, 0, aAnchor_color );
GRLine( aPanel->GetClipBox(), aDC, cX, cY - anchor_size,
cX, cY + anchor_size, 0, aAnchor_color );
}
if( aFillMode == 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, m_Bold );
}
wxString EDA_TEXT::GetTextStyleName()
{
int style = 0;
if( m_Italic )
style = 1;
if( m_Bold )
style += 2;
wxString stylemsg[4] = {
_("Normal"),
_("Italic"),
_("Bold"),
_("Bold+Italic")
};
return stylemsg[style];
}
bool EDA_TEXT::IsDefaultFormatting() const
{
return ( ( m_Size.x == DEFAULT_SIZE_TEXT )
&& ( m_Size.y == DEFAULT_SIZE_TEXT )
&& ( m_Attributs == 0 )
&& ( m_Mirror == false )
&& ( m_HJustify == GR_TEXT_HJUSTIFY_CENTER )
&& ( m_VJustify == GR_TEXT_VJUSTIFY_CENTER )
&& ( m_Thickness == 0 )
&& ( m_Italic == false )
&& ( m_Bold == false )
&& ( m_MultilineAllowed == false ) );
}
void EDA_TEXT::Format( OUTPUTFORMATTER* aFormatter, int aNestLevel, int aControlBits ) const
throw( IO_ERROR )
{
if( !IsDefaultFormatting() )
{
aFormatter->Print( aNestLevel+1, "(effects\n" );
if( ( m_Size.x != DEFAULT_SIZE_TEXT ) || ( m_Size.y != DEFAULT_SIZE_TEXT ) || m_Bold
|| m_Italic )
{
aFormatter->Print( aNestLevel+2, "(font" );
// Add font support here at some point in the future.
if( ( m_Size.x != DEFAULT_SIZE_TEXT ) || ( m_Size.y != DEFAULT_SIZE_TEXT ) )
aFormatter->Print( 0, " (size %s)", FMT_IU( m_Size ).c_str() );
if( m_Bold )
aFormatter->Print( 0, " bold" );
if( m_Bold )
aFormatter->Print( 0, " italic" );
aFormatter->Print( 0, ")\n");
}
if( m_Mirror || ( m_HJustify != GR_TEXT_HJUSTIFY_CENTER )
|| ( m_VJustify != GR_TEXT_VJUSTIFY_CENTER ) )
{
aFormatter->Print( aNestLevel+2, "(justify");
if( m_HJustify != GR_TEXT_HJUSTIFY_CENTER )
aFormatter->Print( 0, (m_HJustify == GR_TEXT_HJUSTIFY_LEFT) ? " left" : " right" );
if( m_VJustify != GR_TEXT_VJUSTIFY_CENTER )
aFormatter->Print( 0, (m_VJustify == GR_TEXT_VJUSTIFY_TOP) ? " top" : " bottom" );
if( m_Mirror )
aFormatter->Print( 0, " mirror" );
aFormatter->Print( 0, ")\n" );
}
// As of now the only place this is used is in Eeschema to hide or show the text.
if( m_Attributs )
aFormatter->Print( aNestLevel+2, "hide\n" );
aFormatter->Print( aNestLevel+1, ")\n" );
}
}
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