Attachment 43041 Details for Bug 34001 – patch to add a pdftops -r # option to set the splash dpi resolution

[patch] patch to add a pdftops -r # option to set the splash dpi resolution

poppler-git-02feb11-splashdpi.pat (text/plain), 6.27 KB, created by William Bader on 2011-02-07 12:37:38 UTC

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Creator: William Bader

Created: 2011-02-07 12:37:38 UTC

Size: 6.27 KB

patch

obsolete

>--- poppler-git-02feb11-splashdpi/poppler/GlobalParams.cc-	2011-02-02 06:40:53.000000000 +0100
>+++ poppler-git-02feb11-splashdpi/poppler/GlobalParams.cc	2011-02-04 01:19:33.865803478 +0100
>@@ -20,7 +20,7 @@
> // Copyright (C) 2007 Krzysztof Kowalczyk <kkowalczyk@gmail.com>
> // Copyright (C) 2007, 2009 Jonathan Kew <jonathan_kew@sil.org>
> // Copyright (C) 2009 Petr Gajdos <pgajdos@novell.com>
>-// Copyright (C) 2009 William Bader <williambader@hotmail.com>
>+// Copyright (C) 2009,2011 William Bader <williambader@hotmail.com>
> // Copyright (C) 2009 Kovid Goyal <kovid@kovidgoyal.net>
> // Copyright (C) 2010 Hib Eris <hib@hiberis.nl>
> // Copyright (C) 2010 Patrick Spendrin <ps_ml@gmx.de>
>@@ -691,6 +691,7 @@
>   printCommands = gFalse;
>   profileCommands = gFalse;
>   errQuiet = gFalse;
>+  splashResolution = 0.0;
> 
>   cidToUnicodeCache = new CharCodeToUnicodeCache(cidToUnicodeCacheSize);
>   unicodeToUnicodeCache =
>@@ -1573,6 +1574,14 @@
>   return errQuiet;
> }
> 
>+double GlobalParams::getSplashResolution() {
>+  double r;
>+  lockGlobalParams;
>+  r = splashResolution;
>+  unlockGlobalParams;
>+  return r;
>+}
>+
> CharCodeToUnicode *GlobalParams::getCIDToUnicode(GooString *collection) {
>   GooString *fileName;
>   CharCodeToUnicode *ctu;
>@@ -1879,6 +1888,12 @@
>   unlockGlobalParams;
> }
> 
>+void GlobalParams::setSplashResolution(double SplashResolutionA) {
>+  lockGlobalParams;
>+  splashResolution = SplashResolutionA;
>+  unlockGlobalParams;
>+}
>+
> void GlobalParams::addSecurityHandler(XpdfSecurityHandler *handler) {
> #ifdef ENABLE_PLUGINS
>   lockGlobalParams;
>--- poppler-git-02feb11-splashdpi/poppler/GlobalParams.h-	2011-02-02 06:40:53.824425591 +0100
>+++ poppler-git-02feb11-splashdpi/poppler/GlobalParams.h	2011-02-04 01:19:43.891808611 +0100
>@@ -20,7 +20,7 @@
> // Copyright (C) 2007 Krzysztof Kowalczyk <kkowalczyk@gmail.com>
> // Copyright (C) 2009 Jonathan Kew <jonathan_kew@sil.org>
> // Copyright (C) 2009 Petr Gajdos <pgajdos@novell.com>
>-// Copyright (C) 2009 William Bader <williambader@hotmail.com>
>+// Copyright (C) 2009, 2011 William Bader <williambader@hotmail.com>
> // Copyright (C) 2010 Hib Eris <hib@hiberis.nl>
> //
> // To see a description of the changes please see the Changelog file that
>@@ -219,6 +219,7 @@
>   GBool getPrintCommands();
>   GBool getProfileCommands();
>   GBool getErrQuiet();
>+  double getSplashResolution();
> 
>   CharCodeToUnicode *getCIDToUnicode(GooString *collection);
>   CharCodeToUnicode *getUnicodeToUnicode(GooString *fontName);
>@@ -263,6 +264,7 @@
>   void setPrintCommands(GBool printCommandsA);
>   void setProfileCommands(GBool profileCommandsA);
>   void setErrQuiet(GBool errQuietA);
>+  void setSplashResolution(double splashResolutionA);
> 
>   //----- security handlers
> 
>@@ -347,6 +349,7 @@
>   GBool printCommands;		// print the drawing commands
>   GBool profileCommands;	// profile the drawing commands
>   GBool errQuiet;		// suppress error messages?
>+  double splashResolution;	// resolution when rasterizing images
> 
>   CharCodeToUnicodeCache *cidToUnicodeCache;
>   CharCodeToUnicodeCache *unicodeToUnicodeCache;
>--- poppler-git-02feb11-splashdpi/poppler/PSOutputDev.cc-	2011-02-04 01:39:33.960467636 +0100
>+++ poppler-git-02feb11-splashdpi/poppler/PSOutputDev.cc	2011-02-04 01:39:35.080469847 +0100
>@@ -85,7 +85,7 @@
> //------------------------------------------------------------------------
> 
> // Resolution at which pages with transparency will be rasterized.
>-#define splashDPI 300
>+#define defaultSplashDPI 300
> 
> //------------------------------------------------------------------------
> // PostScript prolog and setup
>@@ -2969,6 +2969,7 @@
>   Guchar col[4];
>   double m0, m1, m2, m3, m4, m5;
>   int c, w, h, x, y, comp, i;
>+  double splashDPI;
>   char hexBuf[32*2 + 2];	// 32 values X 2 chars/value + line ending + null
>   Guchar digit;
> 
>@@ -3007,6 +3008,10 @@
> 				    paperColor, gTrue, gFalse);
>   }
>   splashOut->startDoc(xref);
>+  splashDPI = globalParams->getSplashResolution();
>+  if (splashDPI < 1.0) {
>+    splashDPI = defaultSplashDPI;
>+  }
>   page->displaySlice(splashOut, splashDPI, splashDPI, rotateA,
> 		     useMediaBox, crop,
> 		     sliceX, sliceY, sliceW, sliceH,
>--- poppler-git-02feb11-splashdpi/utils/pdftops.1-	2011-02-02 06:40:53.000000000 +0100
>+++ poppler-git-02feb11-splashdpi/utils/pdftops.1	2011-02-06 20:17:04.256713681 +0100
>@@ -95,6 +95,13 @@
> information.  (This option is only available if pdftops was compiled
> with OPI support.)
> .TP
>+.BI \-r " number"
>+Set the resolution in DPI when pdftops rasterizes images with
>+transparencies when generating Level 1 PostScript.
>+By default, pdftops rasterizes images to 300 DPI.
>+(This option has an effect only if pdftops was compiled
>+with support for rasterizing images.)
>+.TP
> .B \-noembt1
> By default, any Type 1 fonts which are embedded in the PDF file are
> copied into the PostScript file.  This option causes pdftops to
>--- poppler-git-02feb11-splashdpi/utils/pdftops.cc-	2011-02-02 06:40:53.000000000 +0100
>+++ poppler-git-02feb11-splashdpi/utils/pdftops.cc	2011-02-04 01:19:06.018788487 +0100
>@@ -19,7 +19,7 @@
> // Copyright (C) 2007-2008, 2010 Albert Astals Cid <aacid@kde.org>
> // Copyright (C) 2009 Till Kamppeter <till.kamppeter@gmail.com>
> // Copyright (C) 2009 Sanjoy Mahajan <sanjoy@mit.edu>
>-// Copyright (C) 2009 William Bader <williambader@hotmail.com>
>+// Copyright (C) 2009,2011 William Bader <williambader@hotmail.com>
> // Copyright (C) 2010 Hib Eris <hib@hiberis.nl>
> //
> // To see a description of the changes please see the Changelog file that
>@@ -85,6 +85,7 @@
> #if OPI_SUPPORT
> static GBool doOPI = gFalse;
> #endif
>+static int splashResolution = 0;
> static GBool noEmbedT1Fonts = gFalse;
> static GBool noEmbedTTFonts = gFalse;
> static GBool noEmbedCIDPSFonts = gFalse;
>@@ -132,6 +133,8 @@
>   {"-opi",        argFlag,     &doOPI,          0,
>    "generate OPI comments"},
> #endif
>+  {"-r",          argInt,      &splashResolution, 0,
>+   "resolution for Level 1 transparencies, in DPI (default is 300)"},
>   {"-noembt1",    argFlag,     &noEmbedT1Fonts, 0,
>    "don't embed Type 1 fonts"},
>   {"-noembtt",    argFlag,     &noEmbedTTFonts, 0,
>@@ -266,6 +269,9 @@
>   if (level1 || level1Sep || level2 || level2Sep || level3 || level3Sep) {
>     globalParams->setPSLevel(level);
>   }
>+  if (splashResolution > 0) {
>+    globalParams->setSplashResolution(splashResolution);
>+  }
>   if (noEmbedT1Fonts) {
>     globalParams->setPSEmbedType1(!noEmbedT1Fonts);
>   }

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