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//========================================================================
//
// SplashBitmap.h
//
//========================================================================
//========================================================================
//
// Modified under the Poppler project - http://poppler.freedesktop.org
//
// All changes made under the Poppler project to this file are licensed
// under GPL version 2 or later
//
// Copyright (C) 2007 Ilmari Heikkinen <ilmari.heikkinen@gmail.com>
// Copyright (C) 2009 Shen Liang <shenzhuxi@gmail.com>
// Copyright (C) 2009, 2012, 2018, 2021, 2022 Albert Astals Cid <aacid@kde.org>
// Copyright (C) 2009 Stefan Thomas <thomas@eload24.com>
// Copyright (C) 2010, 2017 Adrian Johnson <ajohnson@redneon.com>
// Copyright (C) 2010 Harry Roberts <harry.roberts@midnight-labs.org>
// Copyright (C) 2010 Christian Feuersänger <cfeuersaenger@googlemail.com>
// Copyright (C) 2010 William Bader <williambader@hotmail.com>
// Copyright (C) 2012 Thomas Freitag <Thomas.Freitag@alfa.de>
// Copyright (C) 2015 Adam Reichold <adamreichold@myopera.com>
// Copyright (C) 2016 Kenji Uno <ku@digitaldolphins.jp>
// Copyright (C) 2018 Martin Packman <gzlist@googlemail.com>
// Copyright (C) 2019 Oliver Sander <oliver.sander@tu-dresden.de>
//
// To see a description of the changes please see the Changelog file that
// came with your tarball or type make ChangeLog if you are building from git
//
//========================================================================
#ifndef SPLASHBITMAP_H
#define SPLASHBITMAP_H
#include "SplashTypes.h"
#include "poppler_private_export.h"
#include <cstdio>
#include <string>
#include <vector>
class ImgWriter;
class GfxSeparationColorSpace;
//------------------------------------------------------------------------
// SplashBitmap
//------------------------------------------------------------------------
class POPPLER_PRIVATE_EXPORT SplashBitmap
{
public:
// Create a new bitmap. It will have <widthA> x <heightA> pixels in
// color mode <modeA>. Rows will be padded out to a multiple of
// <rowPad> bytes. If <topDown> is false, the bitmap will be stored
// upside-down, i.e., with the last row first in memory.
SplashBitmap(int widthA, int heightA, int rowPad, SplashColorMode modeA, bool alphaA, bool topDown = true, const std::vector<GfxSeparationColorSpace *> *separationList = nullptr);
static SplashBitmap *copy(const SplashBitmap *src);
~SplashBitmap();
SplashBitmap(const SplashBitmap &) = delete;
SplashBitmap &operator=(const SplashBitmap &) = delete;
int getWidth() const { return width; }
int getHeight() const { return height; }
int getRowSize() const { return rowSize; }
int getAlphaRowSize() const { return width; }
int getRowPad() const { return rowPad; }
SplashColorMode getMode() const { return mode; }
SplashColorPtr getDataPtr() { return data; }
unsigned char *getAlphaPtr() { return alpha; }
std::vector<GfxSeparationColorSpace *> *getSeparationList() { return separationList; }
SplashColorConstPtr getDataPtr() const { return data; }
const unsigned char *getAlphaPtr() const { return alpha; }
const std::vector<GfxSeparationColorSpace *> *getSeparationList() const { return separationList; }
SplashError writePNMFile(char *fileName);
SplashError writePNMFile(FILE *f);
SplashError writeAlphaPGMFile(char *fileName);
struct WriteImgParams
{
int jpegQuality = -1;
bool jpegProgressive = false;
std::string tiffCompression;
bool jpegOptimize = false;
};
SplashError writeImgFile(SplashImageFileFormat format, const char *fileName, double hDPI, double vDPI, WriteImgParams *params = nullptr);
SplashError writeImgFile(SplashImageFileFormat format, FILE *f, double hDPI, double vDPI, WriteImgParams *params = nullptr);
SplashError writeImgFile(ImgWriter *writer, FILE *f, double hDPI, double vDPI, SplashColorMode imageWriterFormat);
enum ConversionMode
{
conversionOpaque,
conversionAlpha,
conversionAlphaPremultiplied
};
bool convertToXBGR(ConversionMode conversionMode = conversionOpaque);
void getPixel(int x, int y, SplashColorPtr pixel);
void getRGBLine(int y, SplashColorPtr line);
void getXBGRLine(int y, SplashColorPtr line, ConversionMode conversionMode = conversionOpaque);
void getCMYKLine(int y, SplashColorPtr line);
unsigned char getAlpha(int x, int y);
// Caller takes ownership of the bitmap data. The SplashBitmap
// object is no longer valid -- the next call should be to the
// destructor.
SplashColorPtr takeData();
private:
int width, height; // size of bitmap
int rowPad;
int rowSize; // size of one row of data, in bytes
// - negative for bottom-up bitmaps
SplashColorMode mode; // color mode
SplashColorPtr data; // pointer to row zero of the color data
unsigned char *alpha; // pointer to row zero of the alpha data
// (always top-down)
std::vector<GfxSeparationColorSpace *> *separationList; // list of spot colorants and their mapping functions
friend class Splash;
void setJpegParams(ImgWriter *writer, WriteImgParams *params);
};
#endif
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