arospdf/xpdf/CoreOutputDev.cc

   1 //========================================================================
   2 //
   3 // CoreOutputDev.cc
   4 //
   5 // Copyright 2004 Glyph & Cog, LLC
   6 //
   7 //========================================================================
   8
   9 #include <aconf.h>
  10
  11 #ifdef USE_GCC_PRAGMAS
  12 #pragma implementation
  13 #endif
  14
  15 #include "Object.h"
  16 #include "TextOutputDev.h"
  17 #include "CoreOutputDev.h"
  18
  19 //------------------------------------------------------------------------
  20 // CoreOutputDev
  21 //------------------------------------------------------------------------
  22
  23 CoreOutputDev::CoreOutputDev(SplashColorMode colorModeA, int bitmapRowPadA,
  24                              GBool reverseVideoA, SplashColorPtr paperColorA,
  25                              GBool incrementalUpdateA,
  26                              CoreOutRedrawCbk redrawCbkA,
  27                              void *redrawCbkDataA):
  28   SplashOutputDev(colorModeA, bitmapRowPadA, reverseVideoA, paperColorA)
  29 {
  30   incrementalUpdate = incrementalUpdateA;
  31   redrawCbk = redrawCbkA;
  32   redrawCbkData = redrawCbkDataA;
  33 }
  34
  35 CoreOutputDev::~CoreOutputDev() {
  36 }
  37
  38 void CoreOutputDev::endPage() {
  39   SplashOutputDev::endPage();
  40   if (!incrementalUpdate) {
  41     (*redrawCbk)(redrawCbkData, 0, 0, getBitmapWidth(), getBitmapHeight(),
  42                  gTrue);
  43   }
  44 }
  45
  46 void CoreOutputDev::dump() {
  47   int x0, y0, x1, y1;
  48
  49   if (incrementalUpdate) {
  50     getModRegion(&x0, &y0, &x1, &y1);
  51     clearModRegion();
  52     if (x1 >= x0 && y1 >= y0) {
  53       (*redrawCbk)(redrawCbkData, x0, y0, x1, y1, gFalse);
  54     }
  55   }
  56 }
  57
  58 void CoreOutputDev::clear() {
  59   startDoc(NULL);
  60   startPage(0, NULL);
  61 }