pdf_test_utils.h

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/*
 * This program source code file is part of KiCad, a free EDA CAD application.
 *
 * Copyright The KiCad Developers, see AUTHORS.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, see <https://www.gnu.org/licenses/>.
 */
 
#ifndef QA_UTILS_PDF_TEST_UTILS_H
#define QA_UTILS_PDF_TEST_UTILS_H
 
#include <memory>
#include <string>
 
#include <wx/string.h>
 
#include <gal/color4d.h>
#include <render_settings.h>
#include <font/text_attributes.h>
#include <font/stroke_font.h>

wxString MakeTempPdfPath( const wxString& aPrefix );

class SIMPLE_RENDER_SETTINGS : public KIGFX::RENDER_SETTINGS
{
public:
    SIMPLE_RENDER_SETTINGS();
 
    KIGFX::COLOR4D        GetColor( const KIGFX::VIEW_ITEM*, int ) const override;
    const KIGFX::COLOR4D& GetBackgroundColor() const override { return m_background; }
    void                  SetBackgroundColor( const KIGFX::COLOR4D& aColor ) override { m_background = aColor; }
    const KIGFX::COLOR4D& GetGridColor() override { return m_grid; }
    const KIGFX::COLOR4D& GetCursorColor() override { return m_cursor; }
 
private:
    KIGFX::COLOR4D        m_background;
    KIGFX::COLOR4D        m_grid;
    KIGFX::COLOR4D        m_cursor;
};

TEXT_ATTRIBUTES BuildTextAttributes( int aSizeIu = 3000, int aStrokeWidth = 300,
                                     bool aBold = false, bool aItalic = false );

std::unique_ptr<KIFONT::STROKE_FONT> LoadStrokeFontUnique();

bool ReadPdfWithDecompressedStreams( const wxString& aPdfPath, std::string& aOutBuffer );

int CountOccurrences( const std::string& aHaystack, const std::string& aNeedle );

inline bool PdfContains( const std::string& aBuffer, const char* aNeedle )
{
    return aBuffer.find( aNeedle ) != std::string::npos;
}

bool RasterizePdfCountDark( const wxString& aPdfPath, int aDpi, int aNearWhiteThresh,
                            long& aOutDarkPixels );

void MaybeRemoveFile( const wxString& aPath, const wxString& aEnvVar = wxT( "KICAD_KEEP_TEST_PDF" ) );
 
#endif // QA_UTILS_PDF_TEST_UTILS_H