haiku/headers/libs/print/libprint/PrintJobReader.h
Karsten Heimrich 0ca6b749f4 * merge parts of libprint and libprintutils to make both indepentend
* adjust all drivers to take that into account
* fix UpdateText() signature in JSDSlider to avoid warning



git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26648 a95241bf-73f2-0310-859d-f6bbb57e9c96
2008-07-26 22:36:01 +00:00

88 lines
2.6 KiB
C++

/*
PrintJobReader
Copyright (c) 2002 OpenBeOS.
Author:
Michael Pfeiffer
Permission is hereby granted, free of charge, to any person obtaining a copy of
this software and associated documentation files (the "Software"), to deal in
the Software without restriction, including without limitation the rights to
use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
of the Software, and to permit persons to whom the Software is furnished to do
so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
*/
#ifndef _PRINT_JOB_READER_H
#define _PRINT_JOB_READER_H
#include <File.h>
#include <Message.h>
#include <Picture.h>
class PrintJobPage {
BFile fJobFile; // the job file
off_t fNextPicture; // offset to first picture
int32 fNumberOfPictures; // of this page
int32 fPicture; // the picture returned by NextPicture()
status_t fStatus;
public:
PrintJobPage();
PrintJobPage(const PrintJobPage& copy);
PrintJobPage(BFile* jobFile, off_t start);
status_t InitCheck() const;
int32 NumberOfPictures() const { return fNumberOfPictures; }
status_t NextPicture(BPicture& picture, BPoint& p, BRect& r);
PrintJobPage& operator=(const PrintJobPage& copy);
};
class PrintJobReader {
BFile fJobFile; // the job file
int32 fNumberOfPages; // the number of pages in the job file
BMessage fJobSettings; // the settings extracted from the job file
off_t* fPageIndex; // start positions of pages in the job file
void BuildPageIndex();
public:
PrintJobReader(BFile* jobFile);
virtual ~PrintJobReader();
// test after construction if this is a valid job file
status_t InitCheck() const;
// accessors to informations from job file
int32 NumberOfPages() const { return fNumberOfPages; }
int32 FirstPage() const;
int32 LastPage() const;
const BMessage* JobSettings() const { return &fJobSettings; }
BRect PaperRect() const;
BRect PrintableRect() const;
void GetResolution(int32 *xdpi, int32 *ydpi) const;
float GetScale() const;
// retrieve page
status_t GetPage(int32 no, PrintJobPage& pjp);
};
#endif