406 lines
12 KiB
C++
406 lines
12 KiB
C++
/*************************************************/
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/* drawtxt.cpp : Function to draw and plot texts */
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/*************************************************/
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#include "fctsys.h"
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#include "gr_basic.h"
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#include "common.h"
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#include "plot_common.h"
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#include "trigo.h"
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#include "macros.h"
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#include "class_drawpanel.h"
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#include "class_base_screen.h"
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#ifndef DEFAULT_SIZE_TEXT
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#define DEFAULT_SIZE_TEXT 50
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#endif
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#define EDA_DRAWBASE
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#include "grfonte.h"
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/* fonctions locales : */
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/****************************************************************************************************/
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void DrawGraphicText( WinEDA_DrawPanel* aPanel, wxDC* aDC,
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const wxPoint& aPos, EDA_Colors aColor, const wxString& aText,
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int aOrient, const wxSize& aSize,
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enum GRTextHorizJustifyType aH_justify,
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enum GRTextVertJustifyType aV_justify,
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int aWidth, bool aItalic,
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void (* aCallback) (int x0, int y0, int xf, int yf))
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/****************************************************************************************************/
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/** Function DrawGraphicText
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* Draw a graphic text (like module texts)
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* @param aPanel = the current DrawPanel. NULL if draw within a 3D GL Canvas
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* @param aDC = the current Device Context. NULL if draw within a 3D GL Canvas
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* @param aPos = text position (according to h_justify, v_justify)
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* @param aColor (enum EDA_Colors) = text color
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* @param aText = text to draw
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* @param aOrient = angle in 0.1 degree
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* @param aSize = text size (size.x or size.y can be < 0 for mirrored texts)
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* @param aH_justify = horizontal justification (Left, center, right)
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* @param aV_justify = vertical justification (bottom, center, top)
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* @param aWidth = line width (pen width) (default = 0)
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* if width < 0 : draw segments in sketch mode, width = abs(width)
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* @param aItalic = true to simulate an italic font
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* @param aCallback() = function called (if non null) to draw each segment.
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* used to draw 3D texts or for plotting, NULL for normal drawings
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*/
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{
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int ii, kk, char_count, AsciiCode, endcar;
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int x0, y0;
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int size_h, size_v, pitch;
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SH_CODE f_cod, plume = 'U';
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const SH_CODE* ptcar;
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int ptr;
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int ux0, uy0, dx, dy; // Draw coordinate for segments to draw. also used in some other calculation
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int cX, cY; // Texte center
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int ox, oy; // Draw coordinates for the current char
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int coord[100]; // Buffer coordinate used to draw polylines (char shapes)
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bool sketch_mode = false;
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bool italic_reverse = false; // true for mirrored texts with m_Size.x < 0
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size_h = aSize.x;
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size_v = aSize.y;
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if( aWidth < 0 )
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{
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aWidth = -aWidth;
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sketch_mode = TRUE;
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}
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int thickness = aWidth;
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if ( aSize.x < 0 ) // text is mirrored using size.x < 0 (mirror / Y axis)
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italic_reverse = true;
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kk = 0;
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ptr = 0; /* ptr = text index */
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char_count = aText.Len();
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if( char_count == 0 )
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return;
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pitch = (10 * size_h ) / 9; // this is the pitch between chars
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if ( pitch > 0 )
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pitch += ABS(thickness);
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else
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pitch -= ABS(thickness);
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ox = cX = aPos.x;
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oy = cY = aPos.y;
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/* Do not draw the text if out of draw area! */
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if( aPanel )
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{
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int xm, ym, ll, xc, yc;
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int textsize = ABS( pitch );
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ll = aPanel->GetScreen()->Scale( textsize * char_count );
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xc = GRMapX( cX );
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yc = GRMapY( cY );
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x0 = aPanel->m_ClipBox.GetX() - ll;
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y0 = aPanel->m_ClipBox.GetY() - ll;
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xm = aPanel->m_ClipBox.GetRight() + ll;
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ym = aPanel->m_ClipBox.GetBottom() + ll;
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if( xc < x0 )
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return;
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if( yc < y0 )
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return;
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if( xc > xm )
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return;
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if( yc > ym )
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return;
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}
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/* Compute the position ux0, uy0 of the first letter , next */
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dx = (pitch * char_count) / 2;
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dy = size_v / 2; /* dx, dy = draw offset between first letter and text center */
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ux0 = uy0 = 0; /* Decalage du centre du texte / coord de ref */
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if( (aOrient == 0) || (aOrient == 1800) ) /* Horizontal Text */
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{
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switch( aH_justify )
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{
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case GR_TEXT_HJUSTIFY_CENTER:
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break;
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case GR_TEXT_HJUSTIFY_RIGHT:
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ux0 = -dx;
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break;
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case GR_TEXT_HJUSTIFY_LEFT:
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ux0 = dx;
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break;
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}
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switch( aV_justify )
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{
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case GR_TEXT_VJUSTIFY_CENTER:
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break;
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case GR_TEXT_VJUSTIFY_TOP:
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uy0 = dy;
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break;
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case GR_TEXT_VJUSTIFY_BOTTOM:
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uy0 = -dy;
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break;
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}
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}
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else /* Vertical Text */
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{
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switch( aH_justify )
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{
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case GR_TEXT_HJUSTIFY_CENTER:
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break;
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case GR_TEXT_HJUSTIFY_RIGHT:
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ux0 = -dy;
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break;
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case GR_TEXT_HJUSTIFY_LEFT:
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ux0 = dy;
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break;
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}
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switch( aV_justify )
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{
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case GR_TEXT_VJUSTIFY_CENTER:
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break;
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case GR_TEXT_VJUSTIFY_TOP:
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uy0 = dx;
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break;
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case GR_TEXT_VJUSTIFY_BOTTOM:
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uy0 = -dx;
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break;
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}
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}
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cX += ux0;
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cY += uy0;
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ox = cX - dx;
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oy = cY + dy;
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// Note: if aPanel == NULL, we are using a GL Canvas that handle scaling
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if( aPanel && aPanel->GetScreen()->Scale( aSize.x ) == 0 )
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return;
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if( aPanel && ABS( (aPanel->GetScreen()->Scale( aSize.x ) ) ) < 3 ) /* shapes are too small: connot be drawn */
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{ /* insteed the text is drawn as a line */
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dx = (pitch * char_count) / 2;
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dy = size_v / 2; /* line is always centered */
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ux0 = cX - dx;
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uy0 = cY;
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dx += cX;
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dy = cY;
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RotatePoint( &ux0, &uy0, cX, cY, aOrient );
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RotatePoint( &dx, &dy, cX, cY, aOrient );
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if ( aCallback )
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aCallback( ux0, uy0, dx, dy );
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else
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GRLine( &aPanel->m_ClipBox, aDC, ux0, uy0, dx, dy, aWidth, aColor );
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return;
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}
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while( kk++ < char_count )
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{
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x0 = 0; y0 = 0;
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#if defined(wxUSE_UNICODE) && defined(KICAD_CYRILLIC)
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AsciiCode = aText.GetChar(ptr) & 0x7FF;
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if ( AsciiCode > 0x40F && AsciiCode < 0x450 ) // big small Cyr
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AsciiCode = utf8_to_ascii[AsciiCode - 0x410] & 0xFF;
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else
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AsciiCode = AsciiCode & 0xFF;
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#else
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AsciiCode = aText.GetChar( ptr ) & 0xFF;
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#endif
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ptcar = graphic_fonte_shape[AsciiCode]; /* ptcar pointe la description
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* du caractere a dessiner */
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for( ii = 0, endcar = FALSE; !endcar; ptcar++ )
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{
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f_cod = *ptcar;
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/* get code n de la forme selectionnee */
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switch( f_cod )
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{
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case 'X':
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endcar = TRUE; /* fin du caractere */
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break;
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case 'U':
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if( ii && (plume == 'D' ) )
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{
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if( aWidth <= 1 )
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aWidth = 0;
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if ( aCallback )
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{
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int ik, * coordptr;
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coordptr = coord;
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for( ik = 0; ik < (ii - 2); ik += 2, coordptr += 2 )
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aCallback( *coordptr, *(coordptr + 1),
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*(coordptr + 2), *(coordptr + 3) );
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}
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else if( sketch_mode )
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{
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int ik, * coordptr;
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coordptr = coord;
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for( ik = 0; ik < (ii - 2); ik += 2, coordptr += 2 )
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GRCSegm( &aPanel->m_ClipBox, aDC, *coordptr, *(coordptr + 1),
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*(coordptr + 2), *(coordptr + 3), aWidth, aColor );
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}
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else
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GRPoly( &aPanel->m_ClipBox, aDC, ii / 2, (wxPoint*)coord, 0,
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aWidth, aColor, aColor );
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}
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plume = f_cod; ii = 0;
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break;
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case 'D':
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plume = f_cod;
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break;
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default:
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{
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int y, k1, k2;
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y = k1 = f_cod; /* trace sur axe V */
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k1 = -( (k1 * size_v) / 9 );
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ptcar++;
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f_cod = *ptcar;
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k2 = f_cod; /* trace sur axe H */
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k2 = (k2 * size_h) / 9;
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// To simulate an italic font, add a x offset depending on the y offset
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if ( aItalic )
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k2 -= italic_reverse ? - k1/8 : k1/8;
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dx = k2 + ox; dy = k1 + oy;
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RotatePoint( &dx, &dy, cX, cY, aOrient );
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coord[ii++] = dx;
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coord[ii++] = dy;
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break;
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}
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}
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/* end switch */
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}
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/* end draw 1 char */
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ptr++; ox += pitch;
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}
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}
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/* functions used to plot texts, using DrawGraphicText() with a call back function */
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static void (*MovePenFct)( wxPoint pos, int state ); // a pointer to actual plot function (HPGL, PS, ..)
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static bool s_Plotbegin; // Flag to init plot
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/* The call back function */
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static void s_Callback_plot(int x0, int y0, int xf, int yf)
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{
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static wxPoint PenLastPos;
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wxPoint pstart;
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pstart.x = x0;
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pstart.y = y0;
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wxPoint pend;
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pend.x = xf;
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pend.y = yf;
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if ( s_Plotbegin ) // First segment to plot
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{
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MovePenFct( pstart, 'U' );
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MovePenFct( pend, 'D' );
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s_Plotbegin = false;
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}
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else
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{
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if ( PenLastPos == pstart ) // this is a next segment in a polyline
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{
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MovePenFct( pend, 'D' );
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}
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else // New segment to plot
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{
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MovePenFct( pstart, 'U' );
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MovePenFct( pend, 'D' );
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}
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}
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PenLastPos = pend;
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}
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/******************************************************************************************/
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void PlotGraphicText( int aFormat_plot, const wxPoint& aPos, enum EDA_Colors aColor,
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const wxString& aText,
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int aOrient, const wxSize& aSize,
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enum GRTextHorizJustifyType aH_justify,
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enum GRTextVertJustifyType aV_justify,
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int aWidth, bool aItalic )
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/******************************************************************************************/
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/** Function PlotGraphicText
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* same as DrawGraphicText, but plot graphic text insteed of draw it
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* @param aFormat_plot = plot format (PLOT_FORMAT_POST, PLOT_FORMAT_HPGL, PLOT_FORMAT_GERBER)
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* @param aPos = text position (according to aH_justify, aV_justify)
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* @param aColor (enum EDA_Colors) = text color
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* @param aText = text to draw
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* @param aOrient = angle in 0.1 degree
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* @param aSize = text size (size.x or size.y can be < 0 for mirrored texts)
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* @param aH_justify = horizontal justification (Left, center, right)
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* @param aV_justify = vertical justification (bottom, center, top)
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* @param aWidth = line width (pen width) (default = 0)
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* if width < 0 : draw segments in sketch mode, width = abs(width)
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* @param aItalic = true to simulate an italic font
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*/
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{
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// Initialise the actual function used to plot lines:
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switch( aFormat_plot )
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{
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case PLOT_FORMAT_POST:
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MovePenFct = LineTo_PS;
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break;
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case PLOT_FORMAT_HPGL:
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MovePenFct = Move_Plume_HPGL;
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break;
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case PLOT_FORMAT_GERBER:
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MovePenFct = LineTo_GERBER;
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break;
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default:
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return;
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}
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if( aColor >= 0 && IsPostScript( aFormat_plot ) )
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SetColorMapPS( aColor );
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s_Plotbegin = true;
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DrawGraphicText( NULL, NULL, aPos, aColor, aText,
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aOrient, aSize,
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aH_justify, aV_justify,
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aWidth, aItalic,
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s_Callback_plot);
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/* end text : pen UP ,no move */
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MovePenFct( wxPoint( 0, 0 ), 'Z' );
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}
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