X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=ETL%2Ftest%2Fpen.cpp;fp=ETL%2Ftest%2Fpen.cpp;h=ef6eaeedf952fc4e702ec4ffe01ac6dd21e6a70d;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/ETL/test/pen.cpp b/ETL/test/pen.cpp
new file mode 100644
index 0000000..ef6eaee
--- /dev/null
+++ b/ETL/test/pen.cpp
@@ -0,0 +1,548 @@
+/*! ========================================================================
+** Extended Template and Library Test Suite
+** Handle Template Class Test
+** $Id$
+**
+** Copyright (c) 2002 Robert B. Quattlebaum Jr.
+**
+** This package 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 package 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.
+**
+** === N O T E S ===========================================================
+**
+** ========================================================================= */
+
+/* === H E A D E R S ======================================================= */
+
+#include <list>
+#include <cstdio>
+#include <cstdlib>
+#include <string>
+#include <utility>
+#include <memory>
+#include <map>
+#include <ETL/pen>
+#include <ETL/boxblur>
+//#include <ETL/gaussian>
+#include <math.h>
+
+/* === M A C R O S ========================================================= */
+
+using namespace std;
+using namespace etl;
+
+/* === C L A S S E S ======================================================= */
+
+int generic_pen_test(int w, int h)
+{
+	printf("generic_pen(w:%d,h:%d): ",w,h);
+
+	auto_ptr<float> data(new float[w*h]);
+	if(!data.get())
+	{
+		printf("Um..... malloc failure on line %d of "__FILE__"...\n",__LINE__);
+		abort();
+	}
+
+	generic_pen<float> pen(data.get(),w,h);
+	generic_pen<float> pen2;
+
+	if(!pen)
+	{
+		printf("FAILURE! "__FILE__"@%d: On pen bool test\n",__LINE__);
+		return 1;
+	}
+
+	if(&pen.x()[2]!=&pen[0][2])
+	{
+		printf("FAILURE! "__FILE__"@%d: On request for horizontal iterator\n",__LINE__);
+		return 1;
+	}
+
+	if(&pen.y()[2]!=&pen[2][0])
+	{
+		printf("FAILURE! "__FILE__"@%d: On request for vertical iterator\n",__LINE__);
+		return 1;
+	}
+
+	pen.move(1,1);
+	pen2=pen;
+
+	if(pen!=pen2)
+	{
+		printf("FAILURE! "__FILE__"@%d: On pen assignment or pen comparison\n",__LINE__);
+		return 1;
+	}
+
+	pen2.move(w,h);
+	generic_pen<float>::difference_type diff(pen2-pen);
+
+	if(diff.x!=w || diff.y!=h)
+	{
+		printf("FAILURE! "__FILE__"@%d: pen difference inconsistency ([%d,%d]!=[%d,%d])\n",__LINE__,diff.x,diff.y,w,h);
+		return 1;
+	}
+
+	if(pen.end_x()-pen.x()!=w-1)
+	{
+		printf("FAILURE! "__FILE__"@%d: iterator_x inconsistency (%ld!=%d)\n",__LINE__,pen.end_x()-pen.x(),w);
+		return 1;
+	}
+
+	if(pen.end_y()-pen.y()!=h-1)
+	{
+		printf("FAILURE! "__FILE__"@%d: iterator_y inconsistency (%d!=%d)\n",__LINE__,pen.end_y()-pen.y(),h);
+		return 1;
+	}
+
+	if(&pen.end_y()[-1]!=&pen.y()[(h-2)])
+	{
+		printf("FAILURE! "__FILE__"@%d: iterator_y inconsistency\n",__LINE__);
+		return 1;
+	}
+
+	if(&pen.end_x()[-1]!=&pen.x()[(w-2)])
+	{
+		printf("FAILURE! "__FILE__"@%d: iterator_x inconsistency\n",__LINE__);
+		return 1;
+	}
+
+	printf("PASSED\n");
+
+	return 0;
+}
+
+int alpha_pen_test(void)
+{
+	printf("alpha_pen: ");
+	printf("SKIPPED\n");
+
+	return 0;
+}
+
+int bbox_pen_test(void)
+{
+	printf("bbox_pen: ");
+
+
+
+	printf("SKIPPED\n");
+
+	return 0;
+}
+
+int display_pen(generic_pen<float> pen, int w, int h)
+{
+	int ret=0;
+	int x, y;
+	// print out the after pic
+	for(y=0;y<h;y++,pen.inc_y())
+	{
+		printf("|");
+		for(x=0;x<w;x++,pen.inc_x())
+		{
+			if(pen.get_value()>=2.0f)
+				printf("#");
+			else if(pen.get_value()>=1.0f)
+				printf("@");
+			else if(pen.get_value()>=0.8f)
+				printf("%%");
+			else if(pen.get_value()>=0.6f)
+				printf("O");
+			else if(pen.get_value()>=0.4f)
+				printf(":");
+			else if(pen.get_value()>=0.2f)
+				printf(".");
+			else if(pen.get_value()>=-0.0001f)
+				printf(" ");
+			else
+				printf("X"),ret++;
+		}
+		pen.dec_x(x);
+		printf("|\n");
+	}
+	pen.dec_y(y);
+	return ret;
+}
+
+int display_pen(generic_pen<double> pen, int w, int h)
+{
+	int ret=0;
+	int x, y;
+	// print out the after pic
+	for(y=0;y<h;y++,pen.inc_y())
+	{
+		printf("|");
+		for(x=0;x<w;x++,pen.inc_x())
+		{
+			if(pen.get_value()>=2.0f)
+				printf("#");
+			else if(pen.get_value()>=1.0f)
+				printf("@");
+			else if(pen.get_value()>=0.8f)
+				printf("%%");
+			else if(pen.get_value()>=0.6f)
+				printf("O");
+			else if(pen.get_value()>=0.4f)
+				printf(":");
+			else if(pen.get_value()>=0.2f)
+				printf(".");
+			else if(pen.get_value()>=-0.0001f)
+				printf(" ");
+			else
+				printf("X"),ret++;
+		}
+		pen.dec_x(x);
+		printf("|\n");
+	}
+	pen.dec_y(y);
+	return ret;
+}
+
+void emptyfunction(int v)
+{
+	static int stupid = 0;
+	stupid = v;
+	//printf("Called... %d\n",v);
+}
+
+int box_blur_test(void)
+{
+	typedef float boxblur_float;
+
+	printf("box_blur: ");
+
+	int w=25,h=25;
+
+	auto_ptr<boxblur_float> data(new boxblur_float[w*h]);
+	auto_ptr<boxblur_float> data2(new boxblur_float[w*h]);
+	if(!data.get())
+	{
+		printf("Um..... malloc failure on line %d of "__FILE__"...\n",__LINE__);
+		abort();
+	}
+
+	generic_pen<boxblur_float> pen(data.get(),w,h);
+	generic_pen<boxblur_float> pen2;
+
+	generic_pen<boxblur_float> pen3(data2.get(),w,h);
+	int x,y;
+
+	for(y=0;y<h;y++,pen.inc_y())
+	{
+		for(x=0;x<w;x++,pen.inc_x())
+		{
+			if( (x-y<=1 && y-x<=1) || y==h/2 || x==w/2)
+				pen.put_value(2);
+			else
+				pen.put_value(0);
+		}
+		pen.dec_x(x);
+	}
+	pen.dec_y(y);
+
+	int bad_values=0;
+
+	printf("\nBEFORE BOX BLUR:\n");
+
+	// print out the before pic
+	display_pen(pen,w,h);
+
+	// Pen 2 will be the end
+	pen2=pen;
+	pen2.move(w,h);
+
+	//temporary
+	vbox_blur(pen,pen2,2,pen3);
+	printf("\n VBLUR ONLY:\n");
+	display_pen(pen3,w,h);
+
+//	box_blur(pen,w,h,4);
+	hbox_blur(pen,pen2,2,pen3);
+
+	printf("\n HBLUR ONLY:\n");
+	display_pen(pen3,w,h);
+
+	pen2=pen3;
+	pen2.move(w,h);
+	vbox_blur(pen3,pen2,2,pen);
+
+	printf("\nAFTER BOX BLUR:\n");
+
+	// print out the after pic
+	bad_values=display_pen(pen,w,h);
+
+	if(bad_values)
+	{
+		printf("FAILURE! "__FILE__"@%d: blur result contained %d bad values\n",__LINE__,bad_values);
+		return 1;
+	}
+
+	boxblur_float max=0;
+	printf("CHECK BOXBLUR RESULTS %d,%d:\n",pen.diff_begin().x, pen.diff_begin().y);
+	for(y=0;y<h;y++,pen.inc_y())
+	{
+		for(x=0;x<w;x++,pen.inc_x())
+		{
+			boxblur_float f = 0;
+
+			for(int oy=-2; oy <= 2; ++oy)
+			{
+				int iy = y+oy;
+				if(iy < 0) iy = 0;
+				if(iy >= h) iy = h-1;
+
+				for(int ox=-2; ox <= 2; ++ox)
+				{
+					int ix = x+ox;
+					if(ix < 0) ix = 0;
+					if(ix >= w) ix = w-1;
+
+					if( (ix-iy<=1 && iy-ix<=1) || iy==h/2 || ix==w/2)
+						f += 2;
+				}
+			}
+
+			//print out if the relative error is high
+			/*f /= 25;
+			float rf = pen.get_value() - f/25;
+			if(f && rf > 0.3)
+			{
+				printf("pixel (%d,%d) off by %f\n",x,y,rf);
+			}*/
+			boxblur_float diff = fabs(pen.get_value() - f/25);
+			if(diff > max) max = diff;
+			pen.put_value(f/25); //if length = 2 then dim = 5.. area = 25
+		}
+		pen.dec_x(x);
+	}
+	pen.dec_y(y);
+
+	/*if(max)
+	{
+		for(y=0;y<h;y++,pen.inc_y())
+		{
+			for(x=0;x<w;x++,pen.inc_x())
+			{
+				pen.put_value(pen.get_value()/max);
+			}
+			pen.dec_x(x);
+		}
+		pen.dec_y(y);
+	}*/
+
+	//printf("\nHBOXBLUR ERROR (max = %e):\n",max);
+	printf("\nCorrect results:\n");
+	display_pen(pen,w,h);
+
+	printf("PASSED\n");
+
+	return 0;
+}
+
+/*
+float:
+|@@%O.     :::::          |
+|@@@%:.    :::::          |
+|%@@%O:.   :::::          |
+|O%%@%O:.  :::::          |
+|.:O%@%O:. :::::          |
+| .:O%@%O:.:::::          |
+|  .:O%@%O:O::::          |
+|   .:O%@%O%O:::          |
+|    .:O%@%@%O::          |
+|     .:O%@@@%::          |
+|::.:::O%@@@@@%O::::::::::|
+|::.::::O%@@@@@%::::::::::|
+|::.:::::OO@@@@@%O::::::::|
+|::.:::::::%@@@@@%O:::::::|
+|::.::::::.O%@@@@@%O::::::|
+|          ::%@@@%O:.     |
+|          ::O%@%@%O:.    |
+|          :.:O%O%@%O:.   |
+|          :.::O:O%@%O:.  |
+|          :.:.:.:O%@%O:. |
+|          :.:.: .:O%@%O:.|
+|          :.:.:  .:O%@%%O|
+|          :.:.:   .:O%@@%|
+|          :.:.:    .:%@@@|
+|          :.:.:     .O%@@|
+
+double:
+|@@%O.     .....          |
+|@@@O:.    .....          |
+|%@@%O:.   .....          |
+|OO%@%O:.  .....          |
+|.:O%@%O:. .....          |
+| .:O%@%O:.:....          |
+|  .:O%@%O:O:...          |
+|   .:O%@%O%O:..          |
+|    .:O%@%@%O:.          |
+|     .:O%@@@O:.          |
+|.....:O%@@@@@%O..........|
+|......:O%@@@@@%::........|
+|.......:OO@@@@@OO:.......|
+|........::%@@@@@%O:......|
+|..........O%@@@@@%O:.....|
+|          .:O@@@%O:.     |
+|          .:O%@%@%O:.    |
+|          ..:O%O%@%O:.   |
+|          ...:O:O%@%O:.  |
+|          ....:.:O%@%O:. |
+|          ..... .:O%@%O:.|
+|          .....  .:O%@%OO|
+|          .....   .:O%@@%|
+|          .....    .:O@@@|
+|          .....     .O%@@|
+
+
+*/
+
+int gaussian_blur_test(void)
+{
+	printf("gaussian_blur: ");
+#if 0
+	int w=25,h=25;
+	int bad_values=0;
+
+	auto_ptr<float> data(new float[w*h]);
+	if(!data.get())
+	{
+		printf("Um..... malloc failure on line %d of "__FILE__"...\n",__LINE__);
+		abort();
+	}
+
+	generic_pen<float> pen(data.get(),w,h);
+	generic_pen<float> pen2;
+	int x,y;
+
+	for(y=0;y<h;y++,pen.inc_y())
+	{
+		for(x=0;x<w;x++,pen.inc_x())
+		{
+			if((x-y<=1 && y-x<=1) || y==h/2)
+				pen.put_value(2);
+			else
+				pen.put_value(0);
+		}
+		pen.dec_x(x);
+	}
+	pen.dec_y(y);
+
+	printf("\nBEFORE GAUSSIAN BLUR:\n");
+
+	// print out the before pic
+	for(y=0;y<h;y++,pen.inc_y())
+	{
+		printf("|");
+		for(x=0;x<w;x++,pen.inc_x())
+		{
+			if(pen.get_value()>=2.0f)
+				printf("#");
+			else if(pen.get_value()>=1.0f)
+				printf("@");
+			else if(pen.get_value()>=0.8f)
+				printf("%%");
+			else if(pen.get_value()>=0.6f)
+				printf("O");
+			else if(pen.get_value()>=0.4f)
+				printf(":");
+			else if(pen.get_value()>=0.2f)
+				printf(".");
+			else if(pen.get_value()>=0.0f)
+				printf(" ");
+			else
+				printf("X"),bad_values++;
+		}
+		pen.dec_x(x);
+		printf("|\n");
+	}
+	pen.dec_y(y);
+
+	// Pen 2 will be the end
+	pen2=pen;
+	pen2.move(w,h);
+
+#if 0
+	gaussian_blur_5x5(pen,pen2);
+	gaussian_blur_5x5(pen,pen2);
+	gaussian_blur_5x5(pen,pen2);
+#endif
+
+#if 0
+	gaussian_blur_3x3(pen,pen2);
+	gaussian_blur_3x3(pen,pen2);
+	gaussian_blur_3x3(pen,pen2);
+	gaussian_blur_3x3(pen,pen2);
+	gaussian_blur_3x3(pen,pen2);
+#endif
+
+//	gaussian_blur(pen,pen2,15);
+	gaussian_blur(pen,pen2,10,10);
+
+	printf("\nAFTER GAUSSIAN BLUR:\n");
+
+	// print out the after pic
+	for(y=0;y<h;y++,pen.inc_y())
+	{
+		printf("|");
+		for(x=0;x<w;x++,pen.inc_x())
+		{
+			if(pen.get_value()>=2.0f)
+				printf("#");
+			else if(pen.get_value()>=1.0f)
+				printf("@");
+			else if(pen.get_value()>=0.8f)
+				printf("%%");
+			else if(pen.get_value()>=0.6f)
+				printf("O");
+			else if(pen.get_value()>=0.4f)
+				printf(":");
+			else if(pen.get_value()>=0.2f)
+				printf(".");
+			else if(pen.get_value()>=0.0f)
+				printf(" ");
+			else
+				printf("X"),bad_values++;
+		}
+		pen.dec_x(x);
+		printf("|\n");
+	}
+	pen.dec_y(y);
+
+	if(bad_values)
+	{
+		printf("FAILURE! "__FILE__"@%d: blur result contained bad values\n",__LINE__);
+		return 1;
+	}
+#endif
+	printf("PASSED\n");
+
+	return 0;
+}
+
+/* === E N T R Y P O I N T ================================================= */
+
+int main()
+{
+	int error=0;
+
+	error+=generic_pen_test(40,40);
+	error+=generic_pen_test(10,40);
+	error+=generic_pen_test(40,10);
+    if(error)return error;
+	error+=alpha_pen_test();
+	error+=bbox_pen_test();
+	error+=box_blur_test();
+    if(error)return error;
+	error+=gaussian_blur_test();
+
+	return error;
+}