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-rw-r--r--test/pdiff/LPyramid.cpp174
-rw-r--r--test/pdiff/LPyramid.h76
2 files changed, 125 insertions, 125 deletions
diff --git a/test/pdiff/LPyramid.cpp b/test/pdiff/LPyramid.cpp
index 0e8d68aa..be0daa5e 100644
--- a/test/pdiff/LPyramid.cpp
+++ b/test/pdiff/LPyramid.cpp
@@ -1,87 +1,87 @@
-/*
-Laplacian Pyramid
-Copyright (C) 2006 Yangli Hector Yee
-
-This program is free software; you can redistribute it and/or modify it under the terms of the
-GNU General Public License as published by the Free Software Foundation; either version 2 of the License,
-or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
-without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License along with this program;
-if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-
-#include "LPyramid.h"
-
-
-//////////////////////////////////////////////////////////////////////
-// Construction/Destruction
-//////////////////////////////////////////////////////////////////////
-
-LPyramid::LPyramid(float *image, int width, int height) :
- Width(width),
- Height(height)
-{
- // Make the Laplacian pyramid by successively
- // copying the earlier levels and blurring them
- for (int i=0; i<MAX_PYR_LEVELS; i++) {
- if (i == 0) {
- Levels[i] = Copy(image);
- } else {
- Levels[i] = new float[Width * Height];
- Convolve(Levels[i], Levels[i - 1]);
- }
- }
-}
-
-LPyramid::~LPyramid()
-{
- for (int i=0; i<MAX_PYR_LEVELS; i++) {
- if (Levels[i]) delete Levels[i];
- }
-}
-
-float *LPyramid::Copy(float *img)
-{
- int max = Width * Height;
- float *out = new float[max];
- for (int i = 0; i < max; i++) out[i] = img[i];
-
- return out;
-}
-
-void LPyramid::Convolve(float *a, float *b)
-// convolves image b with the filter kernel and stores it in a
-{
- int y,x,i,j,nx,ny;
- const float Kernel[] = {0.05f, 0.25f, 0.4f, 0.25f, 0.05f};
-
- for (y=0; y<Height; y++) {
- for (x=0; x<Width; x++) {
- int index = y * Width + x;
- a[index] = 0.0f;
- for (i=-2; i<=2; i++) {
- for (j=-2; j<=2; j++) {
- nx=x+i;
- ny=y+j;
- if (nx<0) nx=-nx;
- if (ny<0) ny=-ny;
- if (nx>=Width) nx=2*(Width-1)-nx;
- if (ny>=Height) ny=2*(Height-1)-ny;
- a[index] += Kernel[i+2] * Kernel[j+2] * b[ny * Width + nx];
- }
- }
- }
- }
-}
-
-float LPyramid::Get_Value(int x, int y, int level)
-{
- int index = x + y * Width;
- int l = level;
- if (l > MAX_PYR_LEVELS) l = MAX_PYR_LEVELS;
- return Levels[level][index];
-}
+/*
+Laplacian Pyramid
+Copyright (C) 2006 Yangli Hector Yee
+
+This program is free software; you can redistribute it and/or modify it under the terms of the
+GNU General Public License as published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program;
+if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+
+#include "LPyramid.h"
+
+
+//////////////////////////////////////////////////////////////////////
+// Construction/Destruction
+//////////////////////////////////////////////////////////////////////
+
+LPyramid::LPyramid(float *image, int width, int height) :
+ Width(width),
+ Height(height)
+{
+ // Make the Laplacian pyramid by successively
+ // copying the earlier levels and blurring them
+ for (int i=0; i<MAX_PYR_LEVELS; i++) {
+ if (i == 0) {
+ Levels[i] = Copy(image);
+ } else {
+ Levels[i] = new float[Width * Height];
+ Convolve(Levels[i], Levels[i - 1]);
+ }
+ }
+}
+
+LPyramid::~LPyramid()
+{
+ for (int i=0; i<MAX_PYR_LEVELS; i++) {
+ if (Levels[i]) delete Levels[i];
+ }
+}
+
+float *LPyramid::Copy(float *img)
+{
+ int max = Width * Height;
+ float *out = new float[max];
+ for (int i = 0; i < max; i++) out[i] = img[i];
+
+ return out;
+}
+
+void LPyramid::Convolve(float *a, float *b)
+// convolves image b with the filter kernel and stores it in a
+{
+ int y,x,i,j,nx,ny;
+ const float Kernel[] = {0.05f, 0.25f, 0.4f, 0.25f, 0.05f};
+
+ for (y=0; y<Height; y++) {
+ for (x=0; x<Width; x++) {
+ int index = y * Width + x;
+ a[index] = 0.0f;
+ for (i=-2; i<=2; i++) {
+ for (j=-2; j<=2; j++) {
+ nx=x+i;
+ ny=y+j;
+ if (nx<0) nx=-nx;
+ if (ny<0) ny=-ny;
+ if (nx>=Width) nx=2*(Width-1)-nx;
+ if (ny>=Height) ny=2*(Height-1)-ny;
+ a[index] += Kernel[i+2] * Kernel[j+2] * b[ny * Width + nx];
+ }
+ }
+ }
+ }
+}
+
+float LPyramid::Get_Value(int x, int y, int level)
+{
+ int index = x + y * Width;
+ int l = level;
+ if (l > MAX_PYR_LEVELS) l = MAX_PYR_LEVELS;
+ return Levels[level][index];
+}
diff --git a/test/pdiff/LPyramid.h b/test/pdiff/LPyramid.h
index b53f3ef7..162d464d 100644
--- a/test/pdiff/LPyramid.h
+++ b/test/pdiff/LPyramid.h
@@ -1,38 +1,38 @@
-/*
-Laplacian Pyramid
-Copyright (C) 2006 Yangli Hector Yee
-
-This program is free software; you can redistribute it and/or modify it under the terms of the
-GNU General Public License as published by the Free Software Foundation; either version 2 of the License,
-or (at your option) any later version.
-
-This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
-without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
-See the GNU General Public License for more details.
-
-You should have received a copy of the GNU General Public License along with this program;
-if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
-*/
-#ifndef _LPYRAMID_H
-#define _LPYRAMID_H
-
-#define MAX_PYR_LEVELS 8
-
-class LPyramid
-{
-public:
- LPyramid(float *image, int width, int height);
- virtual ~LPyramid();
- float Get_Value(int x, int y, int level);
-protected:
- float *Copy(float *img);
- void Convolve(float *a, float *b);
-
- // Succesively blurred versions of the original image
- float *Levels[MAX_PYR_LEVELS];
-
- int Width;
- int Height;
-};
-
-#endif // _LPYRAMID_H
+/*
+Laplacian Pyramid
+Copyright (C) 2006 Yangli Hector Yee
+
+This program is free software; you can redistribute it and/or modify it under the terms of the
+GNU General Public License as published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+See the GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License along with this program;
+if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+*/
+#ifndef _LPYRAMID_H
+#define _LPYRAMID_H
+
+#define MAX_PYR_LEVELS 8
+
+class LPyramid
+{
+public:
+ LPyramid(float *image, int width, int height);
+ virtual ~LPyramid();
+ float Get_Value(int x, int y, int level);
+protected:
+ float *Copy(float *img);
+ void Convolve(float *a, float *b);
+
+ // Succesively blurred versions of the original image
+ float *Levels[MAX_PYR_LEVELS];
+
+ int Width;
+ int Height;
+};
+
+#endif // _LPYRAMID_H
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