Merge pull request #4 from FOSSEE/develop

merging dev into master

1 files changed, 216 insertions, 0 deletions

diff --git a/include/class_bitmap_base.h b/include/class_bitmap_base.h
new file mode 100644
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+++ b/include/class_bitmap_base.h
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+/**
+ * @file class_bitmap_base.h
+ *
+ */
+
+/*
+ * This program source code file is part of KiCad, a free EDA CAD application.
+ *
+ * Copyright (C) 2013 jean-pierre.charras jp.charras at wanadoo.fr
+ * Copyright (C) 2013 KiCad Developers, see change_log.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
+ */
+
+#ifndef _BITMAP_BASE_H_
+#define _BITMAP_BASE_H_
+
+
+class PLOTTER;
+
+/**
+ * This class handle bitmap images in KiCad.
+ * It is not intended to be used alone, but inside an other class,
+ * so all methods are protected ( or private )
+ * It is used in SCH_BITMAP class and WS_DRAW_ITEM_BITMAP (and other in future)
+ *
+ * Remember not all plotters are able to plot a bitmap
+ * Mainly GERBER plotters cannot.
+ */
+class BITMAP_BASE
+{
+public:
+    double    m_Scale;              // The scaling factor of the bitmap
+                                    // With m_pixelScaleFactor, controls the actual draw size
+private:
+    wxImage*  m_image;              // the raw image data (png format)
+    wxBitmap* m_bitmap;             // the bitmap used to draw/plot image
+    double    m_pixelScaleFactor;   // The scaling factor of the bitmap
+                                    // to convert the bitmap size (in pixels)
+                                    // to internal KiCad units
+                                    // Usually does not change
+    int       m_ppi;                // the bitmap definition. the default is 300PPI
+
+
+public: BITMAP_BASE( const wxPoint& pos = wxPoint( 0, 0 ) );
+
+    BITMAP_BASE( const BITMAP_BASE& aSchBitmap );
+
+    ~BITMAP_BASE()
+    {
+        delete m_bitmap;
+        delete m_image;
+    }
+
+
+    /*
+     * Accessors:
+     */
+    double GetPixelScaleFactor() { return m_pixelScaleFactor; }
+    void SetPixelScaleFactor( double aSF ) { m_pixelScaleFactor = aSF; }
+    wxImage* GetImageData() { return m_image; }
+
+    /*
+     * Function RebuildBitmap
+     * Rebuild the internal bitmap used to draw/plot image
+     * must be called after a m_image change
+     */
+    void RebuildBitmap() { *m_bitmap = wxBitmap( *m_image ); }
+
+    /**
+     * Function ImportData
+     * Copy aItem image to me and update m_bitmap
+     */
+    void ImportData( BITMAP_BASE* aItem );
+
+    /**
+     * Function GetScalingFactor
+     * @return the scaling factor from pixel size to actual draw size
+     * this scaling factor  depend on m_pixelScaleFactor and m_Scale
+     * m_pixelScaleFactor gives the scaling factor between a pixel size and
+     * the internal schematic units
+     * m_Scale is an user dependant value, and gives the "zoom" value
+     *  m_Scale = 1.0 = original size of bitmap.
+     *  m_Scale < 1.0 = the bitmap is drawn smaller than its original size.
+     *  m_Scale > 1.0 = the bitmap is drawn bigger than its original size.
+     */
+    double GetScalingFactor() const
+    {
+        return m_pixelScaleFactor * m_Scale;
+    }
+
+
+    /**
+     * Function GetSize
+     * @return the actual size (in user units, not in pixels) of the image
+     */
+    wxSize   GetSize() const;
+
+    /**
+     * Function GetSizePixels
+     * @return the size in pixels of the image
+     */
+    wxSize GetSizePixels() const
+    {
+        if( m_image )
+            return wxSize( m_image->GetWidth(), m_image->GetHeight() );
+        else
+            return wxSize(0,0);
+    }
+
+    /**
+     * @return the bitmap definition in ppi
+     * the default is 300 ppi
+     */
+    int GetPPI() const
+    {
+        return m_ppi;
+    }
+
+    /**
+     * Function GetBoundingBox
+     * returns the orthogonal, bounding box of this object for display
+     * purposes.  This box should be an enclosing perimeter for visible
+     * components of this object, and the units should be in the pcb or
+     * schematic coordinate system.  It is OK to overestimate the size
+     * by a few counts.
+     */
+    const EDA_RECT GetBoundingBox() const;
+
+    void  DrawBitmap( EDA_DRAW_PANEL* aPanel, wxDC* aDC, const wxPoint& aPos );
+
+    /**
+     * Function ReadImageFile
+     * Reads and stores in memory an image file.
+     * Init the bitmap format used to draw this item.
+     * supported images formats are format supported by wxImage
+     * if all handlers are loaded
+     * by default, .png, .jpeg are alway loaded
+     * @param aFullFilename The full filename of the image file to read.
+     * @return bool - true if success reading else false.
+     */
+    bool     ReadImageFile( const wxString& aFullFilename );
+
+    /**
+     * writes the bitmap data to aFile
+     * The format is png, in Hexadecimal form:
+     * If the hexadecimal data is converted to binary it gives exactly a .png image data
+     * @param aFile The FILE to write to.
+     * @return bool - true if success writing else false.
+     */
+    bool     SaveData( FILE* aFile ) const;
+
+    /**
+     * writes the bitmap data to an array string
+     * The format is png, in Hexadecimal form:
+     * If the hexadecimal data is converted to binary it gives exactly a .png image data
+     * @param aPngStrings The wxArrayString to write to.
+     */
+    void     SaveData( wxArrayString& aPngStrings ) const;
+
+    /**
+     * Load an image data saved by SaveData (png, in Hexadecimal form)
+     * @param aLine - the LINE_READER used to read the data file.
+     * @param aErrorMsg - Description of the error if an error occurs while loading the
+     *                    png bimap data.
+     * @return true if the bitmap loaded successfully.
+     */
+    bool     LoadData( LINE_READER& aLine, wxString& aErrorMsg );
+
+
+    /**
+     * Function Mirror
+     * Mirror image vertically (i.e. relative to its horizontal X axis )
+     *  or horizontally (i.e relative to its vertical Y axis)
+     * @param aVertically = false to mirror horizontally
+     *                      or true to mirror vertically
+     */
+    void     Mirror( bool aVertically );
+
+    /**
+     * Function Rotate
+     * Rotate image CW or CCW.
+     * @param aRotateCCW = true to rotate CCW
+     */
+    void     Rotate( bool aRotateCCW );
+
+    /**
+     * Function PlotImage
+     * Plot bitmap on plotter.
+     * If the plotter does not support bitmaps, plot a
+     * @param aPlotter = the plotter to use
+     * @param aPos = the position od the center of the bitmap
+     * @param aDefaultColor = the color used to plot the rectangle when bitmap is not supported
+     * @param aDefaultPensize = the pen size used to plot the rectangle when bitmap is not supported
+     */
+    void     PlotImage( PLOTTER* aPlotter, const wxPoint& aPos,
+		        EDA_COLOR_T aDefaultColor, int aDefaultPensize );
+};
+
+
+#endif    // _BITMAP_BASE_H_