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#include <cairo.h>
#ifdef CAIRO_HAS_WIN32_SURFACE
#include <cairo-win32.h>
#include "parseargs.h"
#include "pdftocairo-win32.h"
static HDC hdc;
static DEVMODEA *devmode;
static char *printerName;
struct Win32Option
{
const char *name;
int value;
};
static const Win32Option win32PaperSource[] =
{
{"upper", DMBIN_UPPER},
{"onlyone", DMBIN_ONLYONE},
{"lower", DMBIN_LOWER},
{"middle", DMBIN_MIDDLE},
{"manual", DMBIN_MANUAL},
{"envelope", DMBIN_ENVELOPE},
{"envmanual", DMBIN_ENVMANUAL},
{"auto", DMBIN_AUTO},
{"tractor", DMBIN_TRACTOR},
{"smallfmt", DMBIN_SMALLFMT},
{"largefmt", DMBIN_LARGEFMT},
{"largecapacity", DMBIN_LARGECAPACITY},
{"formsource", DMBIN_FORMSOURCE},
{NULL, 0}
};
static void parseSource(GooString *source)
{
const Win32Option *option = win32PaperSource;
while (option->name) {
if (source->cmp(option->name) == 0) {
devmode->dmDefaultSource = option->value;
devmode->dmFields |= DM_DEFAULTSOURCE;
return;
}
option++;
}
fprintf(stderr, "Warning: Unknown paper source \"%s\"\n", source->getCString());
}
static const Win32Option win32DuplexMode[] =
{
{"off", DMDUP_SIMPLEX},
{"short", DMDUP_HORIZONTAL},
{"long", DMDUP_VERTICAL},
{NULL, 0}
};
static void parseDuplex(GooString *mode)
{
const Win32Option *option = win32DuplexMode;
while (option->name) {
if (mode->cmp(option->name) == 0) {
devmode->dmDuplex = option->value;
devmode->dmFields |= DM_DUPLEX;
return;
}
option++;
}
fprintf(stderr, "Warning: Unknown duplex mode \"%s\"\n", mode->getCString());
}
static void fillCommonPrinterOptions(double w, double h, GBool duplex)
{
if (duplex) {
devmode->dmDuplex = DMDUP_HORIZONTAL;
devmode->dmFields |= DM_DUPLEX;
}
}
static void fillPagePrinterOptions(double w, double h)
{
w *= 254.0 / 72.0; // units are 0.1mm
h *= 254.0 / 72.0;
if (w > h) {
devmode->dmOrientation = DMORIENT_LANDSCAPE;
devmode->dmPaperWidth = h;
devmode->dmPaperLength = w;
} else {
devmode->dmOrientation = DMORIENT_PORTRAIT;
devmode->dmPaperWidth = w;
devmode->dmPaperLength = h;
}
devmode->dmPaperSize = 0;
devmode->dmFields |= DM_ORIENTATION | DM_PAPERWIDTH | DM_PAPERLENGTH;
}
static void fillPrinterOptions(GBool duplex, GooString *printOpt)
{
//printOpt format is: <opt1>=<val1>,<opt2>=<val2>,...
const char *nextOpt = printOpt->getCString();
while (nextOpt && *nextOpt)
{
const char *comma = strchr(nextOpt, ',');
GooString opt;
if (comma) {
opt.Set(nextOpt, comma - nextOpt);
nextOpt = comma + 1;
} else {
opt.Set(nextOpt);
nextOpt = NULL;
}
//here opt is "<optN>=<valN> "
const char *equal = strchr(opt.getCString(), '=');
if (!equal) {
fprintf(stderr, "Warning: unknown printer option \"%s\"\n", opt.getCString());
continue;
}
int iequal = equal - opt.getCString();
GooString value(&opt, iequal + 1, opt.getLength() - iequal - 1);
opt.del(iequal, opt.getLength() - iequal);
//here opt is "<optN>" and value is "<valN>"
if (opt.cmp("source") == 0) {
parseSource(&value);
} else if (opt.cmp("duplex") == 0) {
if (duplex)
fprintf(stderr, "Warning: duplex mode is specified both as standalone and printer options\n");
else
parseDuplex( &value);
} else {
fprintf(stderr, "Warning: unknown printer option \"%s\"\n", opt.getCString());
}
}
}
cairo_surface_t *win32BeginDocument(GooString *inputFileName, GooString *outputFileName,
double w, double h,
GooString *printer,
GooString *printOpt,
GBool duplex)
{
if (printer->getCString()[0] == 0) {
DWORD size = 0;
GetDefaultPrinterA(NULL, &size);
printerName = (char*)gmalloc(size);
GetDefaultPrinterA(printerName, &size);
} else {
printerName = gstrndup(printer->getCString(), printer->getLength());
}
//Query the size of the DEVMODE struct
LONG szProp = DocumentPropertiesA(NULL, NULL, printerName, NULL, NULL, 0);
if (szProp < 0) {
fprintf(stderr, "Error: Printer \"%s\" not found\n", printerName);
exit(99);
}
devmode = (DEVMODEA*)gmalloc(szProp);
memset(devmode, 0, szProp);
devmode->dmSize = sizeof(DEVMODEA);
devmode->dmSpecVersion = DM_SPECVERSION;
//Load the current default configuration for the printer into devmode
if (DocumentPropertiesA(NULL, NULL, printerName, devmode, devmode, DM_OUT_BUFFER) < 0) {
fprintf(stderr, "Error: Printer \"%s\" not found\n", printerName);
exit(99);
}
fillCommonPrinterOptions(w, h, duplex);
fillPrinterOptions(duplex, printOpt);
if (DocumentPropertiesA(NULL, NULL, printerName, devmode, devmode, DM_IN_BUFFER | DM_OUT_BUFFER) < 0) {
fprintf(stderr, "Error: Printer \"%s\" not found\n", printerName);
exit(99);
}
hdc = CreateDCA(NULL, printerName, NULL, devmode);
if (!hdc) {
fprintf(stderr, "Error: Printer \"%s\" not found\n", printerName);
exit(99);
}
DOCINFOA docinfo;
memset(&docinfo, 0, sizeof(docinfo));
docinfo.cbSize = sizeof(docinfo);
if (inputFileName->cmp("fd://0") == 0)
docinfo.lpszDocName = "pdftocairo <stdin>";
else
docinfo.lpszDocName = inputFileName->getCString();
if (outputFileName)
docinfo.lpszOutput = outputFileName->getCString();
if (StartDocA(hdc, &docinfo) <=0) {
fprintf(stderr, "Error: StartDoc failed\n");
exit(99);
}
return cairo_win32_printing_surface_create(hdc);
}
void win32BeginPage(double *w, double *h, GBool useFullPage)
{
fillPagePrinterOptions(*w, *h);
if (DocumentPropertiesA(NULL, NULL, printerName, devmode, devmode, DM_IN_BUFFER | DM_OUT_BUFFER) < 0) {
fprintf(stderr, "Error: Printer \"%s\" not found\n", printerName);
exit(99);
}
ResetDCA(hdc, devmode);
// Get actual paper size or if useFullPage is false the printable area.
// Transform the hdc scale to points to be consistent with other cairo backends
int x_dpi = GetDeviceCaps (hdc, LOGPIXELSX);
int y_dpi = GetDeviceCaps (hdc, LOGPIXELSY);
int x_off = GetDeviceCaps (hdc, PHYSICALOFFSETX);
int y_off = GetDeviceCaps (hdc, PHYSICALOFFSETY);
if (useFullPage) {
*w = GetDeviceCaps (hdc, PHYSICALWIDTH)*72.0/x_dpi;
*h = GetDeviceCaps (hdc, PHYSICALHEIGHT)*72.0/y_dpi;
} else {
*w = GetDeviceCaps (hdc, HORZRES)*72.0/x_dpi;
*h = GetDeviceCaps (hdc, VERTRES)*72.0/y_dpi;
}
XFORM xform;
xform.eM11 = x_dpi/72.0;
xform.eM12 = 0;
xform.eM21 = 0;
xform.eM22 = y_dpi/72.0;
if (useFullPage) {
xform.eDx = -x_off;
xform.eDy = -y_off;
} else {
xform.eDx = 0;
xform.eDy = 0;
}
SetGraphicsMode (hdc, GM_ADVANCED);
SetWorldTransform (hdc, &xform);
StartPage(hdc);
}
void win32EndPage(GooString *imageFileName)
{
EndPage(hdc);
}
void win32EndDocument()
{
EndDoc(hdc);
DeleteDC(hdc);
gfree(devmode);
gfree(printerName);
}
#endif // CAIRO_HAS_WIN32_SURFACE
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