kicad/common/drawtxt.cpp

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/*************************************************/
/* drawtxt.cpp : Function to draw and plot texts */
/*************************************************/
#include "fctsys.h"
#include "gr_basic.h"
#include "common.h"
#include "plot_common.h"
#include "trigo.h"
#include "macros.h"
#ifndef DEFAULT_SIZE_TEXT
#define DEFAULT_SIZE_TEXT 50
#endif
#define EDA_DRAWBASE
#include "grfonte.h"
/* fonctions locales : */
/****************************************************************************/
void DrawGraphicText(WinEDA_DrawPanel * panel, wxDC * DC,
const wxPoint & Pos, int gcolor, const wxString & Text,
int orient, const wxSize & Size, int h_justify, int v_justify, int width)
/*****************************************************************************/
/* Draw a graphic text (like module texts)
Text = text to draw
Pos = text position (according to h_justify, v_justify)
Size = text size (size.x or size.y can be < 0 for mirrored texts)
orient = angle in 0.1 degree
mode_color = GR_OR, GR_XOR..
h_justify = horizontal justification (Left, center, right)
v_justify = vertical justification (bottom, center, top)
width = line width (pen width) (default = 0)
if width < 0 : draw segments in sketch mode, width = abs(width)
*/
{
int ii, kk,nbchar, AsciiCode, endcar;
int k1 , k2, x0, y0;
int zoom;
int size_h , size_v , espacement ;
SH_CODE f_cod , plume = 'U';
const SH_CODE * ptcar;
int ptr;
int ux0, uy0, dx, dy; // Draw coordinate for segments to draw. also used in some other calculation
int cX, cY; // Texte center
int ox, oy; // Draw coordinates for the current char
int coord[100]; // Buffer coordinate used to draw polylines (char shapes)
bool sketch_mode = FALSE;
zoom = panel->GetZoom();
size_h = Size.x;
size_v = Size.y;
if ( width < 0 )
{
width = - width;
sketch_mode = TRUE;
}
kk = 0 ; ptr = 0; /* ptr = text index */
nbchar = Text.Len();
if ( nbchar == 0 ) return;
espacement = (10 * size_h ) / 9; // this is the pitch between chars
ox = cX = Pos.x; oy = cY = Pos.y;
/* Do not draw the text if out of draw area! */
if ( panel )
{
int xm, ym, ll, xc, yc;
int textsize = ABS(espacement);
ll = (textsize * nbchar) / zoom;
xc = GRMapX(cX);
yc = GRMapY(cY);
x0 = panel->m_ClipBox.GetX() - ll;
y0 = panel->m_ClipBox.GetY() -ll ;
xm = panel->m_ClipBox.GetRight() + ll;
ym = panel->m_ClipBox.GetBottom() + ll;
if ( xc < x0 ) return;
if ( yc < y0 ) return;
if ( xc > xm ) return;
if ( yc > ym ) return;
}
/* Compute the position ux0, uy0 of the first letter , next */
dx = (espacement * nbchar) / 2;
dy = size_v / 2; /* dx, dy = draw offset between first letter and text center */
ux0 = uy0 = 0; /* Decalage du centre du texte / coord de ref */
if( (orient == 0) || (orient == 1800) ) /* Horizontal Text */
{
switch(h_justify)
{
case GR_TEXT_HJUSTIFY_CENTER:
break;
case GR_TEXT_HJUSTIFY_RIGHT:
ux0 = - dx;
break;
case GR_TEXT_HJUSTIFY_LEFT:
ux0 = dx;
break;
}
switch(v_justify)
{
case GR_TEXT_VJUSTIFY_CENTER:
break;
case GR_TEXT_VJUSTIFY_TOP:
uy0 = dy;
break;
case GR_TEXT_VJUSTIFY_BOTTOM:
uy0 = -dy;
break;
}
}
else /* Vertical Text */
{
switch(h_justify)
{
case GR_TEXT_HJUSTIFY_CENTER:
break;
case GR_TEXT_HJUSTIFY_RIGHT:
ux0 = - dy;
break;
case GR_TEXT_HJUSTIFY_LEFT:
ux0 = dy;
break;
}
switch(v_justify)
{
case GR_TEXT_VJUSTIFY_CENTER:
break;
case GR_TEXT_VJUSTIFY_TOP:
uy0 = dx;
break;
case GR_TEXT_VJUSTIFY_BOTTOM:
uy0 = -dx;
break;
}
}
cX += ux0; cY += uy0;
ox = cX - dx; ; oy = cY + dy;
if( (Size.x/zoom) == 0 ) return;
if( ABS((Size.x/zoom)) < 3) /* chars trop petits pour etre dessines */
{ /* le texte est symbolise par une barre */
dx = (espacement * nbchar) / 2;
dy = size_v / 2; /* Decalage du debut du texte / centre */
ux0 = cX - dx; uy0 = cY;
dx += cX; dy = cY;
RotatePoint(&ux0, &uy0, cX, cY, orient);
RotatePoint(&dx, &dy, cX, cY, orient);
GRLine(&panel->m_ClipBox, DC, ux0, uy0, dx, dy, width, gcolor);
return;
}
#if 0
dx = (espacement * nbchar) / 2;
dy = size_v / 2; /* Decalage du debut du texte / centre */
ux0 = cX - dx; uy0 = cY;
dx += cX; dy = cY;
RotatePoint(&ux0, &uy0, cX, cY, orient);
RotatePoint(&dx, &dy, cX, cY, orient);
DC->SetTextForeground( wxColour(
ColorRefs[gcolor].r,
ColorRefs[gcolor].g,
ColorRefs[gcolor].b) );
DC->DrawRotatedText(Text, GRMapX(ux0), GRMapY(uy0), (double) orient / 10.0);
return;
#endif
while(kk++ < nbchar)
{
x0 = 0 ; y0 = 0 ;
AsciiCode = Text.GetChar(ptr) & 255;
ptcar = graphic_fonte_shape[AsciiCode] ; /* ptcar pointe la description
du caractere a dessiner */
for(ii = 0, endcar = FALSE; ! endcar; ptcar++)
{
f_cod = *ptcar ; /* get code n de la forme selectionnee */
switch(f_cod)
{
case 'X' :
endcar = TRUE;/* fin du caractere */
break;
case 'U' :
if(ii && (plume == 'D' ) )
{
if ( width <= 1 )
GRPoly(&panel->m_ClipBox, DC, ii /2, coord, 0, 0,
gcolor, gcolor);
else if ( sketch_mode )
{
int ik, * coordptr;
coordptr = coord;
for ( ik = 0; ik < (ii-2); ik += 2, coordptr+= 2)
GRCSegm(&panel->m_ClipBox, DC, *coordptr, *(coordptr+1),
*(coordptr+2), *(coordptr+3), width, gcolor) ;
}
else
GRPoly(&panel->m_ClipBox, DC, ii /2, coord, 0,
width, gcolor, gcolor);
}
plume = f_cod; ii = 0;
break;
case 'D' : plume = f_cod ; break ;
default :
{
k1 = f_cod; /* trace sur axe V */
k1 = - ((k1 * size_v) / 9) ;
ptcar++ ;
f_cod = *ptcar ;
k2 = f_cod; /* trace sur axe H */
k2 = (k2 * size_h) / 9 ;
dx = k2 + ox; dy = k1 + oy;
RotatePoint(&dx, &dy, cX, cY, orient);
coord[ii] = dx; ii++; coord[ii] = dy; ii++;
break ;
}
} /* end switch */
} /* end boucle for = end trace de 1 caractere */
ptr++; ox += espacement;
} /* end trace du texte */
}
/******************************************************************************************/
void PlotGraphicText(int format_plot, const wxPoint & Pos, int gcolor,
const wxString & Text,
int orient, const wxSize & Size, int h_justify, int v_justify)
/******************************************************************************************/
/*
id DrawGraphicText, for plot graphic text
*/
{
int kk, nbchar, end, AsciiCode;
int k1 , k2 , x0 , y0, ox, oy ;
int size_h , size_v , espacement ;
SH_CODE f_cod , plume = 'U';
const SH_CODE * ptcar;
int ptr;
int ux0, uy0, dx, dy; // Coord de trace des segments de texte & variables de calcul */
int cX, cY; // Centre du texte
void (*FctPlume)(wxPoint pos, int state);
switch ( format_plot)
{
case PLOT_FORMAT_POST:
FctPlume = LineTo_PS;
break;
case PLOT_FORMAT_HPGL:
FctPlume = Move_Plume_HPGL;
break;
case PLOT_FORMAT_GERBER:
default:
return;
}
if ( (gcolor >= 0) && (format_plot == PLOT_FORMAT_POST) )
SetColorMapPS ( gcolor );
size_h = Size.x;
size_v = Size.y;
if(size_h == 0) size_h = DEFAULT_SIZE_TEXT;
if(size_v == 0) size_v = DEFAULT_SIZE_TEXT;
kk = 0 ; ptr = 0; /* ptr = text index */
/* calcul de la position du debut des textes: ox et oy */
nbchar = Text.Len();
espacement = (10 * size_h ) / 9;
ox = cX = Pos.x; oy = cY = Pos.y;
/* Calcul du cadrage du texte */
dx = (espacement * nbchar) / 2;
dy = size_v / 2; /* Decalage du debut du texte / centre */
ux0 = uy0 = 0; /* Decalage du centre du texte / ccord de ref */
if( (orient == 0) || (orient == 1800) ) /* Texte Horizontal */
{
switch(h_justify)
{
case GR_TEXT_HJUSTIFY_CENTER:
break;
case GR_TEXT_HJUSTIFY_RIGHT:
ux0 = - dx;
break;
case GR_TEXT_HJUSTIFY_LEFT:
ux0 = dx;
break;
}
switch(v_justify)
{
case GR_TEXT_VJUSTIFY_CENTER:
break;
case GR_TEXT_VJUSTIFY_TOP:
uy0 = dy;
break;
case GR_TEXT_VJUSTIFY_BOTTOM:
uy0 = -dy;
break;
}
}
else /* Texte Vertical */
{
switch(h_justify)
{
case GR_TEXT_HJUSTIFY_CENTER:
break;
case GR_TEXT_HJUSTIFY_RIGHT:
ux0 = -dy;
break;
case GR_TEXT_HJUSTIFY_LEFT:
ux0 = dy;
break;
}
switch(v_justify)
{
case GR_TEXT_VJUSTIFY_CENTER:
break;
case GR_TEXT_VJUSTIFY_TOP:
uy0 = dx;
break;
case GR_TEXT_VJUSTIFY_BOTTOM:
uy0 = -dx;
break;
}
}
cX += ux0; cY += uy0; /* cX, cY = coord du centre du texte */
ox = -dx; oy = +dy; /* ox, oy = coord debut texte, relativement au centre */
FctPlume(wxPoint(0,0), 'Z');
while(kk++ < nbchar)
{
AsciiCode = Text.GetChar(ptr) & 255;
ptcar = graphic_fonte_shape[AsciiCode] ; /* ptcar pointe la description
du caractere a dessiner */
for(end = 0 ; end == 0; ptcar++)
{
f_cod = *ptcar ; /* get code n de la forme selectionnee */
switch(f_cod)
{
case 'X' : end = 1 ;/* fin du caractere */
case 'U' :
case 'D' : plume = f_cod ; break ;
default :
k1 = f_cod ; /* trace sur axe V */
k1 = -(k1 * size_v) / 9 ;
ptcar++ ;
f_cod = *ptcar;
k2 = f_cod; /* trace sur axe H */
k2 = (k2 * size_h) / 9 ;
dx = k2 + ox; dy = k1 + oy;
RotatePoint(&dx, &dy, orient);
FctPlume(wxPoint(cX + dx, cY + dy), plume);
x0 = k2 ; y0 = k1 ;
break ;
} /* end switch */
} /* end boucle for = end trace de 1 caractere */
FctPlume(wxPoint(0,0), 'Z');
ptr++; ox += espacement;
} /* end trace du texte */
FctPlume(wxPoint(0,0), 'Z');
}