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-rw-r--r--src/drivers/WinAPI/Fl_WinAPI_Printer_Driver.cxx327
1 files changed, 327 insertions, 0 deletions
diff --git a/src/drivers/WinAPI/Fl_WinAPI_Printer_Driver.cxx b/src/drivers/WinAPI/Fl_WinAPI_Printer_Driver.cxx
new file mode 100644
index 000000000..0e4d53f8b
--- /dev/null
+++ b/src/drivers/WinAPI/Fl_WinAPI_Printer_Driver.cxx
@@ -0,0 +1,327 @@
+//
+// "$Id$"
+//
+// Support for WIN32 printing for the Fast Light Tool Kit (FLTK).
+//
+// Copyright 2010-2016 by Bill Spitzak and others.
+//
+// This library is free software. Distribution and use rights are outlined in
+// the file "COPYING" which should have been included with this file. If this
+// file is missing or damaged, see the license at:
+//
+// http://www.fltk.org/COPYING.php
+//
+// Please report all bugs and problems on the following page:
+//
+// http://www.fltk.org/str.php
+//
+
+#ifdef WIN32
+
+#include "../GDI/Fl_GDI_Graphics_Driver.H"
+
+#include <FL/Fl_Printer.H>
+
+
+#include <FL/fl_ask.H>
+#include <FL/math.h>
+#include <FL/fl_draw.H>
+
+extern HWND fl_window;
+
+/** Support for printing on the MSWindows platform */
+class Fl_WinAPI_Printer_Driver : public Fl_Paged_Device {
+ friend class Fl_Paged_Device;
+private:
+ int abortPrint;
+ PRINTDLG pd;
+ HDC hPr;
+ int prerr;
+ int left_margin;
+ int top_margin;
+ void absolute_printable_rect(int *x, int *y, int *w, int *h);
+ Fl_WinAPI_Printer_Driver(void);
+ int start_job(int pagecount, int *frompage = NULL, int *topage = NULL);
+ int start_page (void);
+ int printable_rect(int *w, int *h);
+ void margins(int *left, int *top, int *right, int *bottom);
+ void origin(int *x, int *y);
+ void origin(int x, int y);
+ void scale (float scale_x, float scale_y = 0.);
+ void rotate(float angle);
+ void translate(int x, int y);
+ void untranslate(void);
+ int end_page (void);
+ void end_job (void);
+ ~Fl_WinAPI_Printer_Driver(void);
+};
+
+Fl_WinAPI_Printer_Driver::Fl_WinAPI_Printer_Driver(void) : Fl_Paged_Device() {
+ hPr = NULL;
+ driver(new Fl_GDI_Printer_Graphics_Driver);
+}
+
+Fl_Paged_Device* Fl_Paged_Device::newPrinterDriver(void)
+{
+ return new Fl_WinAPI_Printer_Driver();
+}
+
+
+Fl_WinAPI_Printer_Driver::~Fl_WinAPI_Printer_Driver(void) {
+ if (hPr) end_job();
+ delete driver();
+}
+
+static void WIN_SetupPrinterDeviceContext(HDC prHDC)
+{
+ if ( !prHDC ) return;
+
+ fl_window = 0;
+ SetGraphicsMode(prHDC, GM_ADVANCED); // to allow for rotations
+ SetMapMode(prHDC, MM_ANISOTROPIC);
+ SetTextAlign(prHDC, TA_BASELINE|TA_LEFT);
+ SetBkMode(prHDC, TRANSPARENT);
+ // this matches 720 logical units to the number of device units in 10 inches of paper
+ // thus the logical unit is the point (= 1/72 inch)
+ SetWindowExtEx(prHDC, 720, 720, NULL);
+ SetViewportExtEx(prHDC, 10*GetDeviceCaps(prHDC, LOGPIXELSX), 10*GetDeviceCaps(prHDC, LOGPIXELSY), NULL);
+}
+
+
+int Fl_WinAPI_Printer_Driver::start_job (int pagecount, int *frompage, int *topage)
+// returns 0 iff OK
+{
+ if (pagecount == 0) pagecount = 10000;
+ DWORD commdlgerr;
+ DOCINFO di;
+ char docName [256];
+ int err = 0;
+
+ abortPrint = FALSE;
+ memset (&pd, 0, sizeof (PRINTDLG));
+ pd.lStructSize = sizeof (PRINTDLG);
+ pd.hwndOwner = GetForegroundWindow();
+ pd.Flags = PD_RETURNDC | PD_USEDEVMODECOPIESANDCOLLATE | PD_NOSELECTION;
+ pd.nMinPage = 1;
+ pd.nMaxPage = pagecount;
+ BOOL b = PrintDlg (&pd);
+ if (pd.hwndOwner) { // restore the correct state of mouse buttons and keyboard modifier keys (STR #3221)
+ WNDPROC windproc = (WNDPROC)GetWindowLongPtrW(pd.hwndOwner, GWLP_WNDPROC);
+ CallWindowProc(windproc, pd.hwndOwner, WM_ACTIVATEAPP, 1, 0);
+ }
+ if (b != 0) {
+ hPr = pd.hDC;
+ if (hPr != NULL) {
+ strcpy (docName, "FLTK");
+ memset(&di, 0, sizeof(DOCINFO));
+ di.cbSize = sizeof (DOCINFO);
+ di.lpszDocName = (LPCSTR) docName;
+ prerr = StartDoc (hPr, &di);
+ if (prerr < 1) {
+ abortPrint = TRUE;
+ //fl_alert ("StartDoc error %d", prerr);
+ err = 1;
+ }
+ } else {
+ commdlgerr = CommDlgExtendedError ();
+ fl_alert ("Unable to create print context, error %lu",
+ (unsigned long) commdlgerr);
+ err = 1;
+ }
+ } else {
+ err = 1;
+ }
+ if(!err) {
+ if((pd.Flags & PD_PAGENUMS) != 0 ) {
+ if (frompage) *frompage = pd.nFromPage;
+ if (topage) *topage = pd.nToPage;
+ }
+ else {
+ if (frompage) *frompage = 1;
+ if (topage) *topage = pagecount;
+ }
+ x_offset = 0;
+ y_offset = 0;
+ WIN_SetupPrinterDeviceContext (hPr);
+ driver()->gc(hPr);
+ this->set_current();
+ }
+ return err;
+}
+
+void Fl_WinAPI_Printer_Driver::end_job (void)
+{
+ Fl_Display_Device::display_device()->set_current();
+ if (hPr != NULL) {
+ if (! abortPrint) {
+ prerr = EndDoc (hPr);
+ if (prerr < 0) {
+ fl_alert ("EndDoc error %d", prerr);
+ }
+ }
+ DeleteDC (hPr);
+ if (pd.hDevMode != NULL) {
+ GlobalFree (pd.hDevMode);
+ }
+ if (pd.hDevNames != NULL) {
+ GlobalFree (pd.hDevNames);
+ }
+ }
+ hPr = NULL;
+}
+
+void Fl_WinAPI_Printer_Driver::absolute_printable_rect(int *x, int *y, int *w, int *h)
+{
+ POINT physPageSize;
+ POINT pixelsPerInch;
+ XFORM transform;
+
+ if (hPr == NULL) return;
+ HDC gc = (HDC)driver()->gc();
+ GetWorldTransform(gc, &transform);
+ ModifyWorldTransform(gc, NULL, MWT_IDENTITY);
+ SetWindowOrgEx(gc, 0, 0, NULL);
+
+ physPageSize.x = GetDeviceCaps(hPr, HORZRES);
+ physPageSize.y = GetDeviceCaps(hPr, VERTRES);
+ DPtoLP(hPr, &physPageSize, 1);
+ *w = physPageSize.x + 1;
+ *h = physPageSize.y + 1;
+ pixelsPerInch.x = GetDeviceCaps(hPr, LOGPIXELSX);
+ pixelsPerInch.y = GetDeviceCaps(hPr, LOGPIXELSY);
+ DPtoLP(hPr, &pixelsPerInch, 1);
+ left_margin = (pixelsPerInch.x / 4);
+ *w -= (pixelsPerInch.x / 2);
+ top_margin = (pixelsPerInch.y / 4);
+ *h -= (pixelsPerInch.y / 2);
+
+ *x = left_margin;
+ *y = top_margin;
+ origin(x_offset, y_offset);
+ SetWorldTransform(gc, &transform);
+}
+
+void Fl_WinAPI_Printer_Driver::margins(int *left, int *top, int *right, int *bottom)
+{
+ int x = 0, y = 0, w = 0, h = 0;
+ absolute_printable_rect(&x, &y, &w, &h);
+ if (left) *left = x;
+ if (top) *top = y;
+ if (right) *right = x;
+ if (bottom) *bottom = y;
+}
+
+int Fl_WinAPI_Printer_Driver::printable_rect(int *w, int *h)
+{
+ int x, y;
+ absolute_printable_rect(&x, &y, w, h);
+ return 0;
+}
+
+int Fl_WinAPI_Printer_Driver::start_page (void)
+{
+ int rsult, w, h;
+
+ rsult = 0;
+ if (hPr != NULL) {
+ WIN_SetupPrinterDeviceContext (hPr);
+ prerr = StartPage (hPr);
+ if (prerr < 0) {
+ fl_alert ("StartPage error %d", prerr);
+ rsult = 1;
+ }
+ printable_rect(&w, &h);
+ origin(0, 0);
+ fl_clip_region(0);
+ }
+ return rsult;
+}
+
+void Fl_WinAPI_Printer_Driver::origin (int deltax, int deltay)
+{
+ SetWindowOrgEx( (HDC)driver()->gc(), - left_margin - deltax, - top_margin - deltay, NULL);
+ x_offset = deltax;
+ y_offset = deltay;
+}
+
+void Fl_WinAPI_Printer_Driver::scale (float scalex, float scaley)
+{
+ if (scaley == 0.) scaley = scalex;
+ int w, h;
+ SetWindowExtEx((HDC)driver()->gc(), (int)(720 / scalex + 0.5), (int)(720 / scaley + 0.5), NULL);
+ printable_rect(&w, &h);
+ origin(0, 0);
+}
+
+void Fl_WinAPI_Printer_Driver::rotate (float rot_angle)
+{
+ XFORM mat;
+ float angle;
+ angle = (float) - (rot_angle * M_PI / 180.);
+ mat.eM11 = cos(angle);
+ mat.eM12 = sin(angle);
+ mat.eM21 = - mat.eM12;
+ mat.eM22 = mat.eM11;
+ mat.eDx = mat.eDy = 0;
+ SetWorldTransform((HDC)driver()->gc(), &mat);
+}
+
+int Fl_WinAPI_Printer_Driver::end_page (void)
+{
+ int rsult;
+
+ rsult = 0;
+ if (hPr != NULL) {
+ prerr = EndPage (hPr);
+ if (prerr < 0) {
+ abortPrint = TRUE;
+ fl_alert ("EndPage error %d", prerr);
+ rsult = 1;
+ }
+ }
+ return rsult;
+}
+
+static int translate_stack_depth = 0;
+const int translate_stack_max = 5;
+static int translate_stack_x[translate_stack_max];
+static int translate_stack_y[translate_stack_max];
+
+static void do_translate(int x, int y, HDC gc)
+{
+ XFORM tr;
+ tr.eM11 = tr.eM22 = 1;
+ tr.eM12 = tr.eM21 = 0;
+ tr.eDx = (FLOAT) x;
+ tr.eDy = (FLOAT) y;
+ ModifyWorldTransform(gc, &tr, MWT_LEFTMULTIPLY);
+}
+
+void Fl_WinAPI_Printer_Driver::translate (int x, int y)
+{
+ do_translate(x, y, (HDC)driver()->gc());
+ if (translate_stack_depth < translate_stack_max) {
+ translate_stack_x[translate_stack_depth] = x;
+ translate_stack_y[translate_stack_depth] = y;
+ translate_stack_depth++;
+ }
+}
+
+void Fl_WinAPI_Printer_Driver::untranslate (void)
+{
+ if (translate_stack_depth > 0) {
+ translate_stack_depth--;
+ do_translate( - translate_stack_x[translate_stack_depth], - translate_stack_y[translate_stack_depth], (HDC)driver()->gc() );
+ }
+}
+
+void Fl_WinAPI_Printer_Driver::origin(int *x, int *y)
+{
+ Fl_Paged_Device::origin(x, y);
+}
+
+#endif // WIN32
+
+//
+// End of "$Id$".
+//
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