Rotate page contents in landscape mode.
git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@31404 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
Michael Pfeiffer
parent
35c255e59d
commit
a269184003
@ -1,299 +1,307 @@
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/*
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* PS.cpp
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* Copyright 1999-2000 Y.Takagi. All Rights Reserved.
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* Copyright 2003 Michael Pfeiffer.
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*/
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#include <Alert.h>
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#include <Bitmap.h>
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#include <File.h>
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#include <memory>
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#include <stdio.h>
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#include "PS.h"
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#include "UIDriver.h"
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#include "JobData.h"
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#include "PrinterData.h"
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#include "PSCap.h"
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#include "PackBits.h"
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#include "Halftone.h"
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#include "ValidRect.h"
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#include "DbgMsg.h"
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#if (!__MWERKS__ || defined(MSIPL_USING_NAMESPACE))
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using namespace std;
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#else
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#define std
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#endif
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PSDriver::PSDriver(BMessage *msg, PrinterData *printer_data, const PrinterCap *printer_cap)
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: GraphicsDriver(msg, printer_data, printer_cap)
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{
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fPrintedPages = 0;
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fHalftone = NULL;
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}
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bool PSDriver::startDoc()
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{
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try {
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jobStart();
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fHalftone = new Halftone(getJobData()->getSurfaceType(), getJobData()->getGamma(), getJobData()->getInkDensity(), getJobData()->getDitherType());
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return true;
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}
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catch (TransportException &err) {
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return false;
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}
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}
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bool PSDriver::startPage(int page)
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{
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page ++;
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writeSpoolString("%%%%Page: %d %d\n", page, page);
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writeSpoolString("gsave\n");
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setupCTM();
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return true;
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}
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bool PSDriver::endPage(int)
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{
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try {
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fPrintedPages ++;
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writeSpoolString("grestore\n");
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writeSpoolString("showpage\n");
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return true;
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}
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catch (TransportException &err) {
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return false;
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}
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}
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void PSDriver::setupCTM() {
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const float leftMargin = getJobData()->getPrintableRect().left;
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const float topMargin = getJobData()->getPrintableRect().top;
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// move origin from bottom left to top left
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// and set margin
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writeSpoolString("%f %f translate\n", leftMargin, getJobData()->getPaperRect().Height()-topMargin);
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// y values increase from top to bottom
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// units of measure is dpi
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writeSpoolString("72 %d div 72 -%d div scale\n", getJobData()->getXres(), getJobData()->getYres());
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}
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bool PSDriver::endDoc(bool)
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{
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try {
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if (fHalftone) {
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delete fHalftone;
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}
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jobEnd();
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return true;
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}
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catch (TransportException &err) {
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return false;
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}
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}
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inline uchar hex_digit(uchar value)
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{
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if (value <= 9) return '0'+value;
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else return 'a'+(value-10);
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}
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bool PSDriver::nextBand(BBitmap *bitmap, BPoint *offset)
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{
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DBGMSG(("> nextBand\n"));
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try {
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BRect bounds = bitmap->Bounds();
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RECT rc;
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rc.left = (int)bounds.left;
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rc.top = (int)bounds.top;
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rc.right = (int)bounds.right;
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rc.bottom = (int)bounds.bottom;
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int height = rc.bottom - rc.top + 1;
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int x = (int)offset->x;
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int y = (int)offset->y;
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int page_height = getPageHeight();
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if (y + height > page_height) {
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height = page_height - y;
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}
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rc.bottom = height - 1;
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DBGMSG(("height = %d\n", height));
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DBGMSG(("x = %d\n", x));
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DBGMSG(("y = %d\n", y));
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if (get_valid_rect(bitmap, &rc)) {
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DBGMSG(("validate rect = %d, %d, %d, %d\n",
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rc.left, rc.top, rc.right, rc.bottom));
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x = rc.left;
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y += rc.top;
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bool color = getJobData()->getColor() == JobData::kColor;
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int width = rc.right - rc.left + 1;
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int widthByte = (width + 7) / 8; /* byte boundary */
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int height = rc.bottom - rc.top + 1;
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int in_size = color ? width : widthByte;
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int out_size = color ? width * 6: widthByte * 2;
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int delta = bitmap->BytesPerRow();
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DBGMSG(("width = %d\n", width));
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DBGMSG(("widthByte = %d\n", widthByte));
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DBGMSG(("height = %d\n", height));
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DBGMSG(("out_size = %d\n", out_size));
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DBGMSG(("delta = %d\n", delta));
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DBGMSG(("renderobj->get_pixel_depth() = %d\n", fHalftone->getPixelDepth()));
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uchar *ptr = (uchar *)bitmap->Bits()
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+ rc.top * delta
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+ (rc.left * fHalftone->getPixelDepth()) / 8;
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int compression_method;
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int compressed_size;
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const uchar *buffer;
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uchar *in_buffer = new uchar[in_size]; // gray values
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uchar *out_buffer = new uchar[out_size]; // gray values in hexadecimal
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auto_ptr<uchar> _in_buffer(in_buffer);
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auto_ptr<uchar> _out_buffer(out_buffer);
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DBGMSG(("move\n"));
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int size = color ? width*3 : in_size;
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startRasterGraphics(x, y, width, height, size);
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for (int i = rc.top; i <= rc.bottom; i++) {
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if (color) {
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uchar* out = out_buffer;
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uchar* in = ptr;
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for (int w = width; w > 0; w --) {
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*out++ = hex_digit((in[2]) >> 4);
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*out++ = hex_digit((in[2]) & 15);
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*out++ = hex_digit((in[1]) >> 4);
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*out++ = hex_digit((in[1]) & 15);
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*out++ = hex_digit((in[0]) >> 4);
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*out++ = hex_digit((in[0]) & 15);
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in += 4;
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}
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} else {
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fHalftone->dither(in_buffer, ptr, x, y, width);
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uchar* in = in_buffer;
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uchar* out = out_buffer;
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for (int w = in_size; w > 0; w --, in ++) {
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*in = ~*in; // invert pixels
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*out++ = hex_digit((*in) >> 4);
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*out++ = hex_digit((*in) & 15);
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}
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}
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{
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compression_method = 0; // uncompressed
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buffer = out_buffer;
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compressed_size = out_size;
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}
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rasterGraphics(
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compression_method,
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buffer,
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compressed_size);
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ptr += delta;
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y++;
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}
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endRasterGraphics();
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} else {
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DBGMSG(("band bitmap is clean.\n"));
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}
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if (y >= page_height) {
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offset->x = -1.0;
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offset->y = -1.0;
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} else {
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offset->y += height;
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}
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DBGMSG(("< nextBand\n"));
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return true;
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}
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catch (TransportException &err) {
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BAlert *alert = new BAlert("", err.what(), "OK");
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alert->Go();
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return false;
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}
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}
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void PSDriver::jobStart()
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{
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// PostScript header
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writeSpoolString("%%!PS-Adobe-3.0\n");
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writeSpoolString("%%%%LanguageLevel: 1\n");
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writeSpoolString("%%%%Title: %s\n", getSpoolMetaData()->getDescription().c_str());
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writeSpoolString("%%%%Creator: %s\n", getSpoolMetaData()->getMimeType().c_str());
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writeSpoolString("%%%%CreationDate: %s", getSpoolMetaData()->getCreationTime().c_str());
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writeSpoolString("%%%%DocumentMedia: Plain %d %d white 0 ( )\n", getJobData()->getPaperRect().IntegerWidth(), getJobData()->getPaperRect().IntegerHeight());
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writeSpoolString("%%%%Pages: (atend)\n");
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writeSpoolString("%%%%EndComments\n");
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writeSpoolString("%%%%BeginDefaults\n");
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writeSpoolString("%%%%PageMedia: Plain\n");
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writeSpoolString("%%%%EndDefaults\n");
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}
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void PSDriver::startRasterGraphics(int x, int y, int width, int height, int widthByte)
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{
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bool color = getJobData()->getColor() == JobData::kColor;
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fCompressionMethod = -1;
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writeSpoolString("gsave\n");
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writeSpoolString("/s %d string def\n", widthByte);
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writeSpoolString("%d %d translate\n", x, y);
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writeSpoolString("%d %d scale\n", width, height);
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if (color) {
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writeSpoolString("%d %d 8\n", width, height); // 8 bpp
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} else {
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writeSpoolString("%d %d 1\n", width, height); // 1 bpp
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}
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writeSpoolString("[%d 0 0 %d 0 0]\n", width, height);
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writeSpoolString("{ currentfile s readhexstring pop }\n");
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if (color) {
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writeSpoolString("false 3\n"); // single data source, 3 color components
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writeSpoolString("colorimage\n");
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} else {
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writeSpoolString("image\n\n");
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}
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}
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void PSDriver::endRasterGraphics()
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{
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writeSpoolString("grestore\n");
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}
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void PSDriver::rasterGraphics(
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int compression_method,
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const uchar *buffer,
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int size)
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{
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if (fCompressionMethod != compression_method) {
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fCompressionMethod = compression_method;
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}
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writeSpoolData(buffer, size);
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writeSpoolString("\n");
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}
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void PSDriver::jobEnd()
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{
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writeSpoolString("%%%%Pages: %d\n", fPrintedPages);
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writeSpoolString("%%%%EOF\n");
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}
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/*
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* PS.cpp
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* Copyright 1999-2000 Y.Takagi. All Rights Reserved.
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* Copyright 2003 Michael Pfeiffer.
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*/
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#include <Alert.h>
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#include <Bitmap.h>
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#include <File.h>
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#include <memory>
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#include <stdio.h>
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#include "PS.h"
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#include "UIDriver.h"
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#include "JobData.h"
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#include "PrinterData.h"
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#include "PSCap.h"
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#include "PackBits.h"
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#include "Halftone.h"
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#include "ValidRect.h"
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#include "DbgMsg.h"
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#if (!__MWERKS__ || defined(MSIPL_USING_NAMESPACE))
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using namespace std;
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#else
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#define std
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#endif
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PSDriver::PSDriver(BMessage *msg, PrinterData *printer_data, const PrinterCap *printer_cap)
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: GraphicsDriver(msg, printer_data, printer_cap)
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{
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fPrintedPages = 0;
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fHalftone = NULL;
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}
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bool PSDriver::startDoc()
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{
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try {
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jobStart();
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fHalftone = new Halftone(getJobData()->getSurfaceType(), getJobData()->getGamma(), getJobData()->getInkDensity(), getJobData()->getDitherType());
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return true;
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}
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catch (TransportException &err) {
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return false;
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}
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}
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bool PSDriver::startPage(int page)
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{
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page ++;
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writeSpoolString("%%%%Page: %d %d\n", page, page);
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writeSpoolString("gsave\n");
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setupCTM();
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return true;
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}
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bool PSDriver::endPage(int)
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{
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try {
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fPrintedPages ++;
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writeSpoolString("grestore\n");
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writeSpoolString("showpage\n");
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return true;
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}
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catch (TransportException &err) {
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return false;
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}
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}
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void PSDriver::setupCTM() {
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const float leftMargin = getJobData()->getPrintableRect().left;
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const float topMargin = getJobData()->getPrintableRect().top;
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if (getJobData()->getOrientation() == JobData::kPortrait) {
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// move origin from bottom left to top left
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// and set margin
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writeSpoolString("%f %f translate\n", leftMargin, getJobData()->getPaperRect().Height()-topMargin);
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} else {
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// landscape:
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// move origin from bottom left to margin top and left
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// and rotate page contents
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writeSpoolString("%f %f translate\n", topMargin, leftMargin);
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writeSpoolString("90 rotate\n");
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}
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// y values increase from top to bottom
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// units of measure is dpi
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writeSpoolString("72 %d div 72 -%d div scale\n", getJobData()->getXres(), getJobData()->getYres());
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}
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bool PSDriver::endDoc(bool)
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{
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try {
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if (fHalftone) {
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delete fHalftone;
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}
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jobEnd();
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return true;
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}
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catch (TransportException &err) {
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return false;
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}
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}
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inline uchar hex_digit(uchar value)
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{
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if (value <= 9) return '0'+value;
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else return 'a'+(value-10);
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}
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bool PSDriver::nextBand(BBitmap *bitmap, BPoint *offset)
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{
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DBGMSG(("> nextBand\n"));
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try {
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BRect bounds = bitmap->Bounds();
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RECT rc;
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rc.left = (int)bounds.left;
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rc.top = (int)bounds.top;
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rc.right = (int)bounds.right;
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rc.bottom = (int)bounds.bottom;
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int height = rc.bottom - rc.top + 1;
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int x = (int)offset->x;
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int y = (int)offset->y;
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int page_height = getPageHeight();
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if (y + height > page_height) {
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height = page_height - y;
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}
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rc.bottom = height - 1;
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DBGMSG(("height = %d\n", height));
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DBGMSG(("x = %d\n", x));
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DBGMSG(("y = %d\n", y));
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if (get_valid_rect(bitmap, &rc)) {
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DBGMSG(("validate rect = %d, %d, %d, %d\n",
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rc.left, rc.top, rc.right, rc.bottom));
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x = rc.left;
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y += rc.top;
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bool color = getJobData()->getColor() == JobData::kColor;
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int width = rc.right - rc.left + 1;
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int widthByte = (width + 7) / 8; /* byte boundary */
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int height = rc.bottom - rc.top + 1;
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int in_size = color ? width : widthByte;
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int out_size = color ? width * 6: widthByte * 2;
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int delta = bitmap->BytesPerRow();
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DBGMSG(("width = %d\n", width));
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DBGMSG(("widthByte = %d\n", widthByte));
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DBGMSG(("height = %d\n", height));
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DBGMSG(("out_size = %d\n", out_size));
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DBGMSG(("delta = %d\n", delta));
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DBGMSG(("renderobj->get_pixel_depth() = %d\n", fHalftone->getPixelDepth()));
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uchar *ptr = (uchar *)bitmap->Bits()
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+ rc.top * delta
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+ (rc.left * fHalftone->getPixelDepth()) / 8;
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int compression_method;
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int compressed_size;
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const uchar *buffer;
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uchar *in_buffer = new uchar[in_size]; // gray values
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uchar *out_buffer = new uchar[out_size]; // gray values in hexadecimal
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auto_ptr<uchar> _in_buffer(in_buffer);
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auto_ptr<uchar> _out_buffer(out_buffer);
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DBGMSG(("move\n"));
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int size = color ? width*3 : in_size;
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startRasterGraphics(x, y, width, height, size);
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for (int i = rc.top; i <= rc.bottom; i++) {
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if (color) {
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uchar* out = out_buffer;
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uchar* in = ptr;
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for (int w = width; w > 0; w --) {
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*out++ = hex_digit((in[2]) >> 4);
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*out++ = hex_digit((in[2]) & 15);
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*out++ = hex_digit((in[1]) >> 4);
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*out++ = hex_digit((in[1]) & 15);
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*out++ = hex_digit((in[0]) >> 4);
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*out++ = hex_digit((in[0]) & 15);
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in += 4;
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}
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} else {
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fHalftone->dither(in_buffer, ptr, x, y, width);
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uchar* in = in_buffer;
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uchar* out = out_buffer;
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for (int w = in_size; w > 0; w --, in ++) {
|
||||
*in = ~*in; // invert pixels
|
||||
*out++ = hex_digit((*in) >> 4);
|
||||
*out++ = hex_digit((*in) & 15);
|
||||
}
|
||||
}
|
||||
|
||||
{
|
||||
compression_method = 0; // uncompressed
|
||||
buffer = out_buffer;
|
||||
compressed_size = out_size;
|
||||
}
|
||||
|
||||
rasterGraphics(
|
||||
compression_method,
|
||||
buffer,
|
||||
compressed_size);
|
||||
|
||||
ptr += delta;
|
||||
y++;
|
||||
}
|
||||
|
||||
endRasterGraphics();
|
||||
|
||||
} else {
|
||||
DBGMSG(("band bitmap is clean.\n"));
|
||||
}
|
||||
|
||||
if (y >= page_height) {
|
||||
offset->x = -1.0;
|
||||
offset->y = -1.0;
|
||||
} else {
|
||||
offset->y += height;
|
||||
}
|
||||
|
||||
|
||||
DBGMSG(("< nextBand\n"));
|
||||
return true;
|
||||
}
|
||||
catch (TransportException &err) {
|
||||
BAlert *alert = new BAlert("", err.what(), "OK");
|
||||
alert->Go();
|
||||
return false;
|
||||
}
|
||||
}
|
||||
|
||||
void PSDriver::jobStart()
|
||||
{
|
||||
// PostScript header
|
||||
writeSpoolString("%%!PS-Adobe-3.0\n");
|
||||
writeSpoolString("%%%%LanguageLevel: 1\n");
|
||||
writeSpoolString("%%%%Title: %s\n", getSpoolMetaData()->getDescription().c_str());
|
||||
writeSpoolString("%%%%Creator: %s\n", getSpoolMetaData()->getMimeType().c_str());
|
||||
writeSpoolString("%%%%CreationDate: %s", getSpoolMetaData()->getCreationTime().c_str());
|
||||
writeSpoolString("%%%%DocumentMedia: Plain %d %d white 0 ( )\n", getJobData()->getPaperRect().IntegerWidth(), getJobData()->getPaperRect().IntegerHeight());
|
||||
writeSpoolString("%%%%Pages: (atend)\n");
|
||||
writeSpoolString("%%%%EndComments\n");
|
||||
|
||||
writeSpoolString("%%%%BeginDefaults\n");
|
||||
writeSpoolString("%%%%PageMedia: Plain\n");
|
||||
writeSpoolString("%%%%EndDefaults\n");
|
||||
}
|
||||
|
||||
void PSDriver::startRasterGraphics(int x, int y, int width, int height, int widthByte)
|
||||
{
|
||||
bool color = getJobData()->getColor() == JobData::kColor;
|
||||
fCompressionMethod = -1;
|
||||
writeSpoolString("gsave\n");
|
||||
writeSpoolString("/s %d string def\n", widthByte);
|
||||
writeSpoolString("%d %d translate\n", x, y);
|
||||
writeSpoolString("%d %d scale\n", width, height);
|
||||
if (color) {
|
||||
writeSpoolString("%d %d 8\n", width, height); // 8 bpp
|
||||
} else {
|
||||
writeSpoolString("%d %d 1\n", width, height); // 1 bpp
|
||||
}
|
||||
writeSpoolString("[%d 0 0 %d 0 0]\n", width, height);
|
||||
writeSpoolString("{ currentfile s readhexstring pop }\n");
|
||||
if (color) {
|
||||
writeSpoolString("false 3\n"); // single data source, 3 color components
|
||||
writeSpoolString("colorimage\n");
|
||||
} else {
|
||||
writeSpoolString("image\n\n");
|
||||
}
|
||||
}
|
||||
|
||||
void PSDriver::endRasterGraphics()
|
||||
{
|
||||
writeSpoolString("grestore\n");
|
||||
}
|
||||
|
||||
void PSDriver::rasterGraphics(
|
||||
int compression_method,
|
||||
const uchar *buffer,
|
||||
int size)
|
||||
{
|
||||
if (fCompressionMethod != compression_method) {
|
||||
fCompressionMethod = compression_method;
|
||||
}
|
||||
writeSpoolData(buffer, size);
|
||||
writeSpoolString("\n");
|
||||
}
|
||||
|
||||
void PSDriver::jobEnd()
|
||||
{
|
||||
writeSpoolString("%%%%Pages: %d\n", fPrintedPages);
|
||||
writeSpoolString("%%%%EOF\n");
|
||||
}
|
||||
|
||||
Loading…
Reference in New Issue
Block a user