const EDA_RECT SCH_SHEET::GetBoundingBox() const
{
wxPoint end;
EDA_RECT box( m_pos, m_size );
int lineWidth = GetPenSize();
// Determine length of texts
wxString text = wxT( "Sheet: " ) + m_name;
int textlen = GraphicTextWidth( text, wxSize( m_sheetNameSize, m_sheetNameSize ),
false, false );
text = wxT( "File: " ) + m_fileName;
int textlen2 = GraphicTextWidth( text, wxSize( m_fileNameSize, m_fileNameSize ),
false, false );
// Calculate bounding box X size:
textlen = std::max( textlen, textlen2 );
end.x = std::max( m_size.x, textlen );
// Calculate bounding box pos:
end.y = m_size.y;
end += m_pos;
// Move upper and lower limits to include texts:
box.SetY( box.GetY() - ( KiROUND( m_sheetNameSize * 1.3 ) + 8 ) );
end.y += KiROUND( m_fileNameSize * 1.3 ) + 8;
box.SetEnd( end );
box.Inflate( lineWidth / 2 );
return box;
}
int EDA_TEXT::LenSize( const wxString& aLine ) const
{
return GraphicTextWidth( aLine, m_Size.x, m_Italic, m_Bold );
}
/**
* Function DrawGraphicText
* Draw a graphic text (like module texts)
* @param aClipBox = the clipping rect, or NULL if no clipping
* @param aDC = the current Device Context. NULL if draw within a 3D GL Canvas
* @param aPos = text position (according to h_justify, v_justify)
* @param aColor (enum EDA_COLOR_T) = text color
* @param aText = text to draw
* @param aOrient = angle in 0.1 degree
* @param aSize = text size (size.x or size.y can be < 0 for mirrored texts)
* @param aH_justify = horizontal justification (Left, center, right)
* @param aV_justify = vertical justification (bottom, center, top)
* @param aWidth = line width (pen width) (use default width if aWidth = 0)
* if width < 0 : draw segments in sketch mode, width = abs(width)
* Use a value min(aSize.x, aSize.y) / 5 for a bold text
* @param aItalic = true to simulate an italic font
* @param aBold = true to use a bold font. Useful only with default width value (aWidth = 0)
* @param aCallback() = function called (if non null) to draw each segment.
* used to draw 3D texts or for plotting, NULL for normal drawings
* @param aPlotter = a pointer to a PLOTTER instance, when this function is used to plot
* the text. NULL to draw this text.
*/
void DrawGraphicText( EDA_RECT* aClipBox,
wxDC* aDC,
const wxPoint& aPos,
EDA_COLOR_T aColor,
const wxString& aText,
double aOrient,
const wxSize& aSize,
enum EDA_TEXT_HJUSTIFY_T aH_justify,
enum EDA_TEXT_VJUSTIFY_T aV_justify,
int aWidth,
bool aItalic,
bool aBold,
void (* aCallback)( int x0, int y0, int xf, int yf ),
PLOTTER* aPlotter )
{
int AsciiCode;
int x0, y0;
int size_h, size_v;
unsigned ptr;
int dx, dy; // Draw coordinate for segments to draw. also used in some other calculation
wxPoint current_char_pos; // Draw coordinates for the current char
wxPoint overbar_pos; // Start point for the current overbar
int overbar_italic_comp; // Italic compensation for overbar
#define BUF_SIZE 100
wxPoint coord[BUF_SIZE + 1]; // Buffer coordinate used to draw polylines (one char shape)
bool sketch_mode = false;
bool italic_reverse = false; // true for mirrored texts with m_Size.x < 0
size_h = aSize.x; /* PLEASE NOTE: H is for HORIZONTAL not for HEIGHT */
size_v = aSize.y;
if( aWidth == 0 && aBold ) // Use default values if aWidth == 0
aWidth = GetPenSizeForBold( std::min( aSize.x, aSize.y ) );
if( aWidth < 0 )
{
aWidth = -aWidth;
sketch_mode = true;
}
#ifdef CLIP_PEN // made by draw and plot functions
aWidth = Clamp_Text_PenSize( aWidth, aSize, aBold );
#endif
if( size_h < 0 ) // text is mirrored using size.x < 0 (mirror / Y axis)
italic_reverse = true;
unsigned char_count = NegableTextLength( aText );
if( char_count == 0 )
return;
current_char_pos = aPos;
dx = GraphicTextWidth( aText, size_h, aItalic, aWidth );
dy = size_v;
/* Do not draw the text if out of draw area! */
if( aClipBox )
{
int xm, ym, ll, xc, yc;
ll = std::abs( dx );
xc = current_char_pos.x;
yc = current_char_pos.y;
x0 = aClipBox->GetX() - ll;
y0 = aClipBox->GetY() - ll;
xm = aClipBox->GetRight() + ll;
ym = aClipBox->GetBottom() + ll;
if( xc < x0 )
return;
if( yc < y0 )
return;
if( xc > xm )
return;
if( yc > ym )
return;
}
/* Compute the position of the first letter of the text
* this position is the position of the left bottom point of the letter
* this is the same as the text position only for a left and bottom justified text
* In others cases, this position must be calculated from the text position ans size
*/
switch( aH_justify )
{
case GR_TEXT_HJUSTIFY_CENTER:
current_char_pos.x -= dx / 2;
break;
case GR_TEXT_HJUSTIFY_RIGHT:
current_char_pos.x -= dx;
break;
case GR_TEXT_HJUSTIFY_LEFT:
break;
}
switch( aV_justify )
{
case GR_TEXT_VJUSTIFY_CENTER:
current_char_pos.y += dy / 2;
break;
case GR_TEXT_VJUSTIFY_TOP:
current_char_pos.y += dy;
break;
case GR_TEXT_VJUSTIFY_BOTTOM:
break;
}
// Note: if aPanel == NULL, we are using a GL Canvas that handle scaling
if( aSize.x == 0 )
return;
/* if a text size is too small, the text cannot be drawn, and it is drawn as a single
* graphic line */
if( aDC && ( aDC->LogicalToDeviceYRel( std::abs( aSize.y ) ) < MIN_DRAWABLE_TEXT_SIZE ))
{
// draw the text as a line always vertically centered
wxPoint end( current_char_pos.x + dx, current_char_pos.y );
RotatePoint( ¤t_char_pos, aPos, aOrient );
RotatePoint( &end, aPos, aOrient );
if( aPlotter )
{
aPlotter->MoveTo( current_char_pos );
aPlotter->FinishTo( end );
}
else if( aCallback )
{
aCallback( current_char_pos.x, current_char_pos.y, end.x, end.y );
}
else
GRLine( aClipBox, aDC,
current_char_pos.x, current_char_pos.y, end.x, end.y, aWidth, aColor );
return;
}
if( aItalic )
{
overbar_italic_comp = OverbarPositionY( size_v ) / 8;
if( italic_reverse )
{
overbar_italic_comp = -overbar_italic_comp;
}
}
else
{
overbar_italic_comp = 0;
}
int overbars = 0; // Number of '~' seen (except '~~')
ptr = 0; // ptr = text index
while( ptr < char_count )
{
if( aText[ptr + overbars] == '~' )
{
if( ptr + overbars + 1 < aText.length()
&& aText[ptr + overbars + 1] == '~' ) /* '~~' draw as '~' */
ptr++; // skip first '~' char and draw second
else
{
// Found an overbar, adjust the pointers
overbars++;
if( overbars & 1 ) // odd overbars count
{
// Starting the overbar
overbar_pos = current_char_pos;
overbar_pos.x += overbar_italic_comp;
overbar_pos.y -= OverbarPositionY( size_v );
RotatePoint( &overbar_pos, aPos, aOrient );
}
else
{
// Ending the overbar
coord[0] = overbar_pos;
overbar_pos = current_char_pos;
overbar_pos.x += overbar_italic_comp;
overbar_pos.y -= OverbarPositionY( size_v );
RotatePoint( &overbar_pos, aPos, aOrient );
coord[1] = overbar_pos;
// Plot the overbar segment
DrawGraphicTextPline( aClipBox, aDC, aColor, aWidth,
sketch_mode, 2, coord, aCallback, aPlotter );
}
continue; // Skip ~ processing
}
}
AsciiCode = aText.GetChar( ptr + overbars );
const char* ptcar = GetHersheyShapeDescription( AsciiCode );
// Get metrics
int xsta = *ptcar++ - 'R';
int xsto = *ptcar++ - 'R';
int point_count = 0;
bool endcar = false;
while( !endcar )
{
int hc1, hc2;
hc1 = *ptcar++;
if( hc1 )
{
hc2 = *ptcar++;
}
else
{
// End of character, insert a synthetic pen up:
hc1 = ' ';
hc2 = 'R';
endcar = true;
}
// Do the Hershey decode thing:
// coordinates values are coded as <value> + 'R'
hc1 -= 'R';
hc2 -= 'R';
// Pen up request
if( hc1 == -50 && hc2 == 0 )
{
if( point_count )
{
if( aWidth <= 1 )
aWidth = 0;
DrawGraphicTextPline( aClipBox, aDC, aColor, aWidth,
sketch_mode, point_count, coord,
aCallback, aPlotter );
}
point_count = 0;
}
else
{
wxPoint currpoint;
hc1 -= xsta; hc2 -= 10; // Align the midpoint
hc1 = KiROUND( hc1 * size_h * s_HersheyScaleFactor );
hc2 = KiROUND( hc2 * size_v * s_HersheyScaleFactor );
// To simulate an italic font,
// add a x offset depending on the y offset
if( aItalic )
hc1 -= KiROUND( italic_reverse ? -hc2 / 8.0 : hc2 / 8.0 );
currpoint.x = hc1 + current_char_pos.x;
currpoint.y = hc2 + current_char_pos.y;
RotatePoint( &currpoint, aPos, aOrient );
coord[point_count] = currpoint;
if( point_count < BUF_SIZE - 1 )
point_count++;
}
} // end draw 1 char
ptr++;
// Apply the advance width
current_char_pos.x += KiROUND( size_h * (xsto - xsta) * s_HersheyScaleFactor );
}
if( overbars % 2 )
{
// Close the last overbar
coord[0] = overbar_pos;
overbar_pos = current_char_pos;
overbar_pos.y -= OverbarPositionY( size_v );
RotatePoint( &overbar_pos, aPos, aOrient );
coord[1] = overbar_pos;
// Plot the overbar segment
DrawGraphicTextPline( aClipBox, aDC, aColor, aWidth,
sketch_mode, 2, coord, aCallback, aPlotter );
}
}
