haiku/headers/private/print/libprint/GraphicsDriver.h
Michael Pfeiffer 2f6e49a929 Implemented Floyd Steinberg dithering and made it default.
Renamed many constants and fields according to Open BeOS coding style guide.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@6433 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-01-30 17:10:36 +00:00

133 lines
3.1 KiB
C++

/*
* GraphicsDriver.h
* Copyright 1999-2000 Y.Takagi. All Rights Reserved.
*/
#ifndef __GRAPHICSDRIVER_H
#define __GRAPHICSDRIVER_H
#include "JobData.h"
#include "PrintProcess.h"
#include "SpoolMetaData.h"
#include "Transport.h"
class BView;
class BBitmap;
class BMessage;
class PrinterData;
class PrinterCap;
enum {
kGDFRotateBandBitmap = 1
};
class GraphicsDriver {
public:
GraphicsDriver(BMessage *, PrinterData *, const PrinterCap *);
virtual ~GraphicsDriver();
BMessage *takeJob(BFile *spool, uint32 flags = 0);
protected:
virtual bool startDoc();
virtual bool startPage(int page_number);
virtual bool nextBand(BBitmap *bitmap, BPoint *offset);
virtual bool endPage(int page_number);
virtual bool endDoc(bool success);
void writeSpoolData(const void *buffer, size_t size) throw(TransportException);
void writeSpoolString(const char *buffer, ...) throw(TransportException);
void writeSpoolChar(char c) throw(TransportException);
static void convert_to_rgb24(void* src, void* dst, int width, color_space cs);
static void convert_to_gray(void* src, void* dst, int width, color_space cs);
const JobData *getJobData() const;
const PrinterData *getPrinterData() const;
const PrinterCap *getPrinterCap() const;
const SpoolMetaData *getSpoolMetaData() const;
int getPageWidth() const;
int getPageHeight() const;
int getBandWidth() const;
int getBandHeight() const;
int getPixelDepth() const;
GraphicsDriver(const GraphicsDriver &);
GraphicsDriver &operator = (const GraphicsDriver &);
private:
void setupData(BFile *file, long page_count);
void setupBitmap();
void cleanupData();
void cleanupBitmap();
bool printPage(PageDataList *pages);
bool printDocument(SpoolData *spool_data);
bool printJob(BFile *file);
static void rgb32_to_rgb24(void* src, void* dst, int width);
static void cmap8_to_rgb24(void* src, void* dst, int width);
static uint8 gray(uint8 r, uint8 g, uint8 b);
static void rgb32_to_gray(void* src, void* dst, int width);
static void cmap8_to_gray(void* src, void* dst, int width);
uint32 fFlags;
BMessage *fMsg;
BView *fView;
BBitmap *fBitmap;
Transport *fTransport;
JobData *fOrgJobData;
JobData *fRealJobData;
PrinterData *fPrinterData;
const PrinterCap *fPrinterCap;
SpoolMetaData *fSpoolMetaData;
int fPageWidth;
int fPageHeight;
int fBandWidth;
int fBandHeight;
int fPixelDepth;
int fBandCount;
int fInternalCopies;
};
inline const JobData *GraphicsDriver::getJobData() const
{
return fRealJobData;
}
inline const PrinterData *GraphicsDriver::getPrinterData() const
{
return fPrinterData;
}
inline const PrinterCap *GraphicsDriver::getPrinterCap() const
{
return fPrinterCap;
}
inline const SpoolMetaData *GraphicsDriver::getSpoolMetaData() const
{
return fSpoolMetaData;
}
inline int GraphicsDriver::getPageWidth() const
{
return fPageWidth;
}
inline int GraphicsDriver::getPageHeight() const
{
return fPageHeight;
}
inline int GraphicsDriver::getBandWidth() const
{
return fBandWidth;
}
inline int GraphicsDriver::getBandHeight() const
{
return fBandHeight;
}
#endif /* __GRAPHICSDRIVER_H */