kicad/include/gr_text.h

134 lines
5.7 KiB
C++

/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2009-2014 Jerry Jacobs
* Copyright (C) 1992-2020 KiCad Developers, see CHANGELOG.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
*/
/**
* This file is part of the common library
* @file drawtxt.h
* @see common.h
*/
#ifndef __INCLUDE__DRAWTXT_H__
#define __INCLUDE__DRAWTXT_H__ 1
#include <eda_item.h>
#include <eda_text.h> // EDA_TEXT_HJUSTIFY_T and EDA_TEXT_VJUSTIFY_T
/**
* 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;
/**
* 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 );
int Clamp_Text_PenSize( int aPenSize, wxSize aSize, bool aBold = true );
/**
* @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 );
/**
* @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 );
/**
* The full X size is GraphicTextWidth + the thickness of graphic lines.
*
* @return the X size of the graphic text.
*/
int GraphicTextWidth( const wxString& aText, const wxSize& aSize, bool italic, bool bold );
/**
* Draw a graphic text (like footprint text)
*
* @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 (COLOR4D) = 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) (default = 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.
* @param aCallback ( int x0, int y0, int xf, int yf, void* aData ) is a function called
* (if non null) to draw each segment. used to draw 3D texts or for plotting.
* NULL for normal drawings.
* @param aCallbackData is the auxiliary parameter aData for the callback function.
* This can be nullptr if no auxiliary parameter is needed.
* @param aPlotter = a pointer to a PLOTTER instance, when this function is used to plot
* the text. NULL to draw this text.
*/
void GRText( wxDC* aDC, const wxPoint& aPos, COLOR4D 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, void* aData ) = nullptr,
void* aCallbackData = nullptr, PLOTTER* aPlotter = nullptr );
/**
* Draw graphic text with a border so that it can be read on different backgrounds.
*
* See GRText for most of the parameters. If \a aBgColor is a dark color text is drawn
* in \a aColor2 with \a aColor1 border. Otherwise colors are swapped.
*/
void GRHaloText( wxDC* aDC, const wxPoint& aPos, COLOR4D aBgColor, COLOR4D aColor1,
COLOR4D aColor2, 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, void* aData ) = nullptr,
void* aCallbackData = nullptr, PLOTTER* aPlotter = nullptr );
#endif /* __INCLUDE__DRAWTXT_H__ */