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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commit47d455dd55be855e4cc691c32f687f723d9247ee (patch)
tree52e236aaa2576bdb3840ebede26619692fed6d7d /kpdf/xpdf/splash/SplashScreen.h
downloadtdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.tar.gz
tdegraphics-47d455dd55be855e4cc691c32f687f723d9247ee.zip
Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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diff --git a/kpdf/xpdf/splash/SplashScreen.h b/kpdf/xpdf/splash/SplashScreen.h
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+//========================================================================
+//
+// SplashScreen.h
+//
+//========================================================================
+
+#ifndef SPLASHSCREEN_H
+#define SPLASHSCREEN_H
+
+#include <aconf.h>
+
+#ifdef USE_GCC_PRAGMAS
+#pragma interface
+#endif
+
+#include "SplashTypes.h"
+
+//------------------------------------------------------------------------
+// SplashScreen
+//------------------------------------------------------------------------
+
+class SplashScreen {
+public:
+
+ SplashScreen(SplashScreenParams *params);
+ SplashScreen(SplashScreen *screen);
+ ~SplashScreen();
+
+ SplashScreen *copy() { return new SplashScreen(this); }
+
+ // Return the computed pixel value (0=black, 1=white) for the gray
+ // level <value> at (<x>, <y>).
+ int test(int x, int y, Guchar value);
+
+ // Returns true if value is above the white threshold or below the
+ // black threshold, i.e., if the corresponding halftone will be
+ // solid white or black.
+ GBool isStatic(Guchar value);
+
+private:
+
+ void buildDispersedMatrix(int i, int j, int val,
+ int delta, int offset);
+ void buildClusteredMatrix();
+ int distance(int x0, int y0, int x1, int y1);
+ void buildSCDMatrix(int r);
+
+ Guchar *mat; // threshold matrix
+ int size; // size of the threshold matrix
+ Guchar minVal; // any pixel value below minVal generates
+ // solid black
+ Guchar maxVal; // any pixel value above maxVal generates
+ // solid white
+};
+
+#endif