kicad/include/gr_text.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2009-2014 Jerry Jacobs
* Copyright (C) 1992-2022 KiCad Developers, see AUTHORS.txt for contributors.
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*
* 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
*/
#ifndef GR_TEXT_H
#define GR_TEXT_H
#include <eda_item.h>
#include <font/text_attributes.h>
namespace KIGFX
{
class COLOR4D;
}
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/**
* Minimum dimension in pixel for drawing/no drawing a text used in Pcbnew to decide to
* draw (or not) some texts ( like net names on pads/tracks ).
*
* When a text height is smaller than MIN_TEXT_SIZE, it is not drawn by Pcbnew.
*/
#define MIN_TEXT_SIZE 5
/* Absolute minimum dimension in pixel to draw a text as text or a line
* When a text height is smaller than MIN_DRAWABLE_TEXT_SIZE,
* it is drawn, but like a line by the draw text function
*/
#define MIN_DRAWABLE_TEXT_SIZE 3
class PLOTTER;
/**
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* As a rule, pen width should not be >1/4em, otherwise the character will be cluttered up in
* its own fatness.
*
* The pen width max is aSize/4 for bold texts, and aSize/6 for normal texts. The "best" pen
* width is aSize/5 for bold texts so the clamp is consistent with bold option.
*
* @param aPenSize the pen size to clamp.
* @param aSize the char size (height or width, or its wxSize).
* @param aBold true if text accept bold pen size.
* @return the max pen size allowed.
*/
int Clamp_Text_PenSize( int aPenSize, int aSize, bool aBold = true );
float Clamp_Text_PenSize( float aPenSize, int aSize, bool aBold = true );
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int Clamp_Text_PenSize( int aPenSize, const VECTOR2I& aSize, bool aBold = true );
/**
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* @param aTextSize the char size (height or width).
* @return the "best" value for a pen size to draw/plot a bold text.
*/
int GetPenSizeForBold( int aTextSize );
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int GetPenSizeForBold( const wxSize& aTextSize );
/**
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* @param aTextSize = the char size (height or width).
* @return the "best" value for a pen size to draw/plot a non-bold text.
*/
int GetPenSizeForNormal( int aTextSize );
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int GetPenSizeForNormal( const wxSize& aTextSize );
/**
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* The full X size is GraphicTextWidth + the thickness of graphic lines.
*
* @return the X size of the graphic text.
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*/
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int GraphicTextWidth( const wxString& aText, KIFONT::FONT* aFont, const VECTOR2I& aSize,
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int aThickness, bool aBold, bool aItalic );
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/**
* Print a graphic text through wxDC.
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*
* @param aDC is the current Device Context.
* @param aPos is the text position (according to h_justify, v_justify).
* @param aColor is the text color.
* @param aText is the text to draw.
* @param aOrient is the angle.
* @param aSize is the text size (size.x or size.y can be < 0 for mirrored texts).
* @param aH_justify is the horizontal justification (Left, center, right).
* @param aV_justify is the vertical justification (bottom, center, top).
* @param aWidth is the 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 is the true to simulate an italic font.
* @param aBold use true to use a bold font. Useful only with default width value (aWidth = 0).
* @param aFont is the font to use, or nullptr for the KiCad stroke font
*/
void GRPrintText( wxDC* aDC, const VECTOR2I& aPos, const KIGFX::COLOR4D& aColor,
const wxString& aText, const EDA_ANGLE& aOrient, const VECTOR2I& aSize,
enum GR_TEXT_H_ALIGN_T aH_justify, enum GR_TEXT_V_ALIGN_T aV_justify,
int aWidth, bool aItalic, bool aBold, KIFONT::FONT* aFont );
#endif /* GR_TEXT_H */