pdf/xpdf/LTKOutputDev.cc

   1 //========================================================================
   2 //
   3 // LTKOutputDev.cc
   4 //
   5 // Copyright 1998-2002 Glyph & Cog, LLC
   6 //
   7 //========================================================================
   8
   9 #ifdef __GNUC__
  10 #pragma implementation
  11 #endif
  12
  13 #include <aconf.h>
  14 #include <stdio.h>
  15 #include <stdlib.h>
  16 #include <stddef.h>
  17 #include <string.h>
  18 #include "gmem.h"
  19 #include "GString.h"
  20 #include "LTKWindow.h"
  21 #include "LTKScrollingCanvas.h"
  22 #include "Object.h"
  23 #include "Stream.h"
  24 #include "GfxState.h"
  25 #include "GfxFont.h"
  26 #include "Error.h"
  27 #include "LTKOutputDev.h"
  28
  29 //------------------------------------------------------------------------
  30
  31 LTKOutputDev::LTKOutputDev(LTKWindow *winA, GBool reverseVideoA,
  32                            unsigned long paperColor, GBool installCmap,
  33                            GBool rgbCubeSize, GBool incrementalUpdateA):
  34   XOutputDev(winA->getDisplay(),
  35              ((LTKScrollingCanvas *)winA->findWidget("canvas"))->getPixmap(),
  36              0, winA->getColormap(), reverseVideoA, paperColor,
  37              installCmap, rgbCubeSize)
  38 {
  39   win = winA;
  40   canvas = (LTKScrollingCanvas *)win->findWidget("canvas");
  41   setPixmap(canvas->getPixmap(),
  42             canvas->getRealWidth(), canvas->getRealHeight());
  43   incrementalUpdate = incrementalUpdateA;
  44 }
  45
  46 LTKOutputDev::~LTKOutputDev() {
  47 }
  48
  49 void LTKOutputDev::startPage(int pageNum, GfxState *state) {
  50   canvas->resize((int)(state->getPageWidth() + 0.5),
  51                  (int)(state->getPageHeight() + 0.5));
  52   setPixmap(canvas->getPixmap(),
  53             canvas->getRealWidth(), canvas->getRealHeight());
  54   XOutputDev::startPage(pageNum, state);
  55   if (incrementalUpdate) {
  56     canvas->redraw();
  57   }
  58 }
  59
  60 void LTKOutputDev::endPage() {
  61   if (!incrementalUpdate) {
  62     canvas->redraw();
  63   }
  64   XOutputDev::endPage();
  65 }
  66
  67 void LTKOutputDev::dump() {
  68   if (incrementalUpdate) {
  69     canvas->redraw();
  70   }
  71   XOutputDev::dump();
  72 }