318 lines
15 KiB
C++
318 lines
15 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2010-2016 Jean-Pierre Charras jp.charras at wanadoo.fr
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* Copyright (C) 1992-2016 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#ifndef CLASS_GERBER_FILE_IMAGE_H
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#define CLASS_GERBER_FILE_IMAGE_H
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#include <vector>
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#include <set>
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#include <dcode.h>
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#include <class_gerber_draw_item.h>
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#include <class_aperture_macro.h>
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// An useful macro used when reading gerber files;
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#define IsNumber( x ) ( ( ( (x) >= '0' ) && ( (x) <='9' ) ) \
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|| ( (x) == '-' ) || ( (x) == '+' ) || ( (x) == '.' ) )
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class GERBVIEW_FRAME;
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class D_CODE;
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/* gerber files have different parameters to define units and how items must be plotted.
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* some are for the entire file, and other can change along a file.
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* In Gerber world:
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* an image is the entire gerber file and its "global" parameters
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* a layer (that is very different from a board layer) is just a sub set of a file that
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* have specific parameters
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* if a Image parameter is set more than once, only the last value is used
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* Some parameters can change along a file and are not layer specific: they are stored
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* in GERBER_ITEM items, when instancied.
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*
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* In GerbView, to handle these parameters, there are 2 classes:
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* GERBER_FILE_IMAGE : the main class containing most of parameters and data to plot a graphic layer
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* Some of them can change along the file
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* There is one GERBER_FILE_IMAGE per file and one graphic layer per file or GERBER_FILE_IMAGE
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* GerbView does not read and merge 2 gerber file in one graphic layer:
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* I believe this is not possible due to the constraints in Image parameters.
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* GERBER_LAYER : containing the subset of parameters that is layer speficic
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* A GERBER_FILE_IMAGE must include one GERBER_LAYER to define all parameters to plot a file.
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* But a GERBER_FILE_IMAGE can use more than one GERBER_LAYER.
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*/
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class GERBER_FILE_IMAGE;
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class X2_ATTRIBUTE_FILEFUNCTION;
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class GERBER_LAYER
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{
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friend class GERBER_FILE_IMAGE;
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public:
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// These parameters are layer specfic:
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wxString m_LayerName; // Layer name, from LN <name>* command
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bool m_LayerNegative; // true = Negative Layer: command LP
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wxRealPoint m_StepForRepeat; // X and Y offsets for Step and Repeat command
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int m_XRepeatCount; // The repeat count on X axis
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int m_YRepeatCount; // The repeat count on Y axis
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bool m_StepForRepeatMetric; // false = Inches, true = metric
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// needed here because repeated
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// gerber items can have coordinates
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// in different units than step parameters
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// and the actual coordinates calculation must handle this
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public:
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GERBER_LAYER();
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~GERBER_LAYER();
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private:
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void ResetDefaultValues();
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};
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/**
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* Class GERBER_FILE_IMAGE
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* holds the Image data and parameters for one gerber file
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* and layer parameters (TODO: move them in GERBER_LAYER class
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*/
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class GERBER_FILE_IMAGE
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{
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GERBVIEW_FRAME* m_parent; // the parent GERBVIEW_FRAME (used to display messages...)
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D_CODE* m_Aperture_List[TOOLS_MAX_COUNT]; ///< Dcode (Aperture) List for this layer (max 999)
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bool m_Exposure; ///< whether an aperture macro tool is flashed on or off
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GERBER_LAYER m_GBRLayerParams; // hold params for the current gerber layer
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public:
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DLIST<GERBER_DRAW_ITEM> m_Drawings; // linked list of Gerber Items to draw
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bool m_InUse; // true if this image is currently in use
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// (a file is loaded in it)
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wxString m_FileName; // Full File Name for this layer
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wxString m_ImageName; // Image name, from IN <name>* command
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bool m_IsX2_file; // true if a X2 gerber attribute was found in file
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X2_ATTRIBUTE_FILEFUNCTION* m_FileFunction; // file function parameters, found in a %TF command
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// or a G04
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wxString m_MD5_value; // MD5 value found in a %TF.MD5 command
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wxString m_PartString; // string found in a %TF.Part command
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int m_GraphicLayer; // Graphic layer Number
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bool m_ImageNegative; // true = Negative image
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bool m_ImageJustifyXCenter; // Image Justify Center on X axis (default = false)
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bool m_ImageJustifyYCenter; // Image Justify Center on Y axis (default = false)
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wxPoint m_ImageJustifyOffset; // Image Justify Offset on XY axis (default = 0,0)
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bool m_GerbMetric; // false = Inches, true = metric
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bool m_Relative; // false = absolute Coord, true = relative Coord
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bool m_NoTrailingZeros; // true: remove tailing zeros.
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bool m_DecimalFormat; // true: use floating point notations for coordinates
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// If true, overrides m_NoTrailingZeros parameter.
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wxPoint m_ImageOffset; // Coord Offset, from IO command
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wxSize m_FmtScale; // Fmt 2.3: m_FmtScale = 3, fmt 3.4: m_FmtScale = 4
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wxSize m_FmtLen; // Nb chars per coord. ex fmt 2.3, m_FmtLen = 5
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int m_ImageRotation; // Image rotation (0, 90, 180, 270 only) in degrees
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double m_LocalRotation; // Local rotation, in degrees, added to m_ImageRotation
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// Note this value is stored in 0.1 degrees
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wxPoint m_Offset; // Coord Offset, from OF command
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wxRealPoint m_Scale; // scale (X and Y) of layer.
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bool m_SwapAxis; // false (default) if A = X and B = Y
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// true if A = Y, B = X
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bool m_MirrorA; // true: miror / axe A (X)
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bool m_MirrorB; // true: miror / axe B (Y)
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int m_Iterpolation; // Linear, 90 arc, Circ.
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int m_Current_Tool; // Current Tool (Dcode) number selected
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int m_Last_Pen_Command; // Current or last pen state (0..9, set by Dn option with n <10
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int m_CommandState; // state of gerber analysis command.
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wxPoint m_CurrentPos; // current specified coord for plot
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wxPoint m_PreviousPos; // old current specified coord for plot
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wxPoint m_IJPos; // IJ coord (for arcs & circles )
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FILE* m_Current_File; // Current file to read
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#define INCLUDE_FILES_CNT_MAX 10
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FILE* m_FilesList[INCLUDE_FILES_CNT_MAX + 2]; // Included files list
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int m_FilesPtr; // Stack pointer for files list
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int m_Selected_Tool; // For hightlight: current selected Dcode
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bool m_Has_DCode; // true = DCodes in file
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// (false = no DCode -> separate DCode file
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bool m_360Arc_enbl; // Enbl 360 deg circular interpolation
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bool m_PolygonFillMode; // Enable polygon mode (read coord as a polygon descr)
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int m_PolygonFillModeState; // In polygon mode: 0 = first segm, 1 = next segm
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APERTURE_MACRO_SET m_aperture_macros; ///< a collection of APERTURE_MACROS, sorted by name
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private:
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int m_hasNegativeItems; // true if the image is negative or has some negative items
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// Used to optimize drawing, because when there are no
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// negative items screen refresh does not need
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// to build an intermediate bitmap specfic to this image
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// -1 = negative items are
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// 0 = no negative items found
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// 1 = have negative items found
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public:
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GERBER_FILE_IMAGE( GERBVIEW_FRAME* aParent, int layer );
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virtual ~GERBER_FILE_IMAGE();
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void Clear_GERBER_FILE_IMAGE();
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int UsedDcodeNumber();
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virtual void ResetDefaultValues();
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/**
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* Function GetParent
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* @return the GERBVIEW_FRAME parent of this GERBER_FILE_IMAGE
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*/
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GERBVIEW_FRAME* GetParent() const
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{
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return m_parent;
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}
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/**
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* Function GetItemsList
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* @return the first GERBER_DRAW_ITEM * item of the items list
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*/
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GERBER_DRAW_ITEM * GetItemsList();
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/**
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* Function GetLayerParams
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* @return the current layers params
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*/
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GERBER_LAYER& GetLayerParams()
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{
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return m_GBRLayerParams;
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}
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/**
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* Function HasNegativeItems
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* @return true if at least one item must be drawn in background color
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* used to optimize screen refresh (when no items are in background color
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* refresh can be faster)
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*/
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bool HasNegativeItems();
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/**
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* Function ReportMessage
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* Add a message (a string) in message list
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* for instance when reading a Gerber file
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* @param aMessage = the straing to add in list
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*/
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void ReportMessage( const wxString aMessage );
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/**
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* Function ClearMessageList
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* Clear the message list
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* Call it before reading a Gerber file
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*/
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void ClearMessageList();
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/**
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* Function InitToolTable
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*/
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void InitToolTable();
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/**
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* Function ReadXYCoord
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* Returns the current coordinate type pointed to by XnnYnn Text (XnnnnYmmmm)
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*/
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wxPoint ReadXYCoord( char*& Text );
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/**
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* Function ReadIJCoord
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* Returns the current coordinate type pointed to by InnJnn Text (InnnnJmmmm)
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* These coordinates are relative, so if coordinate is absent, it's value
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* defaults to 0
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*/
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wxPoint ReadIJCoord( char*& Text );
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// functions to read G commands or D commands:
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int GCodeNumber( char*& Text );
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int DCodeNumber( char*& Text );
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// functions to execute G commands or D commands:
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bool Execute_G_Command( char*& text, int G_command );
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bool Execute_DCODE_Command( char*& text, int D_command );
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/**
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* Function ReadRS274XCommand
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* reads a single RS274X command terminated with a %
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*/
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bool ReadRS274XCommand( char *aBuff, char* & text );
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/**
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* Function ExecuteRS274XCommand
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* executes 1 command
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*/
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bool ExecuteRS274XCommand( int command, char* aBuff,
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char*& text );
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/**
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* Function ReadApertureMacro
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* reads in an aperture macro and saves it in m_aperture_macros.
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* @param aBuff a character buffer at least GERBER_BUFZ long that can be
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* used to read successive lines from the gerber file.
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* @param text A reference to a character pointer which gives the initial
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* text to read from.
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* @param gerber_file Which file to read from for continuation.
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* @return bool - true if a macro was read in successfully, else false.
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*/
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bool ReadApertureMacro( char *aBuff, char* & text,
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FILE * gerber_file );
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/**
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* Function GetDCODE
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* returns a pointer to the D_CODE within this GERBER for the given
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* \a aDCODE.
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* @param aDCODE The numeric value of the D_CODE to look up.
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* @param aCreateIfNoExist If true, then create the D_CODE if it does not
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* exist in list.
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* @return D_CODE* - the one implied by the given \a aDCODE, or NULL
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* if the requested \a aDCODE is out of range.
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*/
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D_CODE* GetDCODE( int aDCODE, bool aCreateIfNoExist = true );
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/**
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* Function FindApertureMacro
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* looks up a previously read in aperture macro.
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* @param aLookup A dummy APERTURE_MACRO with [only] the name field set.
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* @return APERTURE_MACRO* - the one with a matching name, or NULL if
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* not found.
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*/
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APERTURE_MACRO* FindApertureMacro( const APERTURE_MACRO& aLookup );
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/**
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* Function StepAndRepeatItem
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* Gerber format has a command Step an Repeat
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* This function must be called when reading a gerber file and
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* after creating a new gerber item that must be repeated
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* (i.e when m_XRepeatCount or m_YRepeatCount are > 1)
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* @param aItem = the item to repeat
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*/
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void StepAndRepeatItem( const GERBER_DRAW_ITEM& aItem );
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/**
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* Function DisplayImageInfo
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* has knowledge about the frame and how and where to put status information
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* about this object into the frame's message panel.
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* Display info about Image Parameters.
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*/
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void DisplayImageInfo( void );
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};
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#endif // ifndef CLASS_GERBER_FILE_IMAGE_H
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