X-Git-Url: https://git.pterodactylus.net/?a=blobdiff_plain;f=ETL%2Ftest%2Fsurface.cpp;fp=ETL%2Ftest%2Fsurface.cpp;h=e2dd0e5e27942fbf6827a4dbf0d430634c754196;hb=a095981e18cc37a8ecc7cd237cc22b9c10329264;hp=0000000000000000000000000000000000000000;hpb=9459638ad6797b8139f1e9f0715c96076dbf0890;p=synfig.git

diff --git a/ETL/test/surface.cpp b/ETL/test/surface.cpp
new file mode 100644
index 0000000..e2dd0e5
--- /dev/null
+++ b/ETL/test/surface.cpp
@@ -0,0 +1,221 @@
+/*! ========================================================================
+** Extended Template and Library Test Suite
+** Surface 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 <iostream>
+#include <ETL/surface>
+#include <ETL/gaussian>
+#include <cstdio>
+
+/* === M A C R O S ========================================================= */
+
+using namespace etl;
+using namespace std;
+
+/* === C L A S S E S ======================================================= */
+
+
+/* === P R O C E D U R E S ================================================= */
+
+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()>=-0.1f)
+				printf(" ");
+			else
+				printf("X"),ret++;
+		}
+		pen.dec_x(x);
+		printf("|\n");
+	}
+	pen.dec_y(y);
+	return ret;
+}
+
+void make_pattern(generic_pen<float> pen, int w, int 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 basic_test()
+{
+	printf("Surface:basic_test(): Running...\n");
+
+	int ret=0;
+
+	surface<float> my_surface(100,100);
+
+	gaussian_blur(my_surface.begin(),my_surface.end(),10,10);
+
+	surface<float> my_surface2(my_surface);
+
+	my_surface2.fill(0.5);
+	my_surface2.clear();
+
+	my_surface2=my_surface;
+
+	my_surface2.fill(0.5);
+	my_surface2.clear();
+
+	my_surface.fill(0.5);
+	my_surface.clear();
+
+	surface<float> my_surface3;
+	my_surface3.mirror(my_surface2);
+
+	my_surface3.fill(0.5);
+	my_surface3.clear();
+
+	my_surface3=my_surface;
+
+	my_surface3.mirror(my_surface);
+
+	printf("Surface:basic_test(): %d errors.\n",ret);
+
+	return ret;
+}
+
+int linear_sample_test()
+{
+	printf("Surface:linear_sample_test(): Running...\n");
+
+	int ret=0;
+
+	surface<float> my_surface(16,16);
+
+	my_surface.fill(0.0f);
+
+	make_pattern(my_surface.begin(),my_surface.get_w(),my_surface.get_h());
+
+	int extra(5);
+	surface<float> dest(18+extra*2,18+extra*2);
+
+	int x,y;
+	for(x=-extra;x<dest.get_w()-extra;x++)
+		for(y=-extra;y<dest.get_h()-extra;y++)
+		{
+			dest[y+extra][x+extra]=my_surface.linear_sample(
+				float(x)/float(dest.get_w()-1-extra*2)*float(my_surface.get_w()-1),
+				float(y)/float(dest.get_h()-1-extra*2)*float(my_surface.get_h()-1)
+			);
+		}
+
+	display_pen(dest.begin(),dest.get_w(),dest.get_h());
+
+	printf("Surface:linear_sample_test(): %d errors.\n",ret);
+
+	return ret;
+}
+
+int cubic_sample_test()
+{
+	printf("Surface:cubic_sample_test(): Running...\n");
+
+	int ret=0;
+
+	surface<float> my_surface(16,16);
+
+	my_surface.fill(0.0f);
+
+	make_pattern(my_surface.begin(),my_surface.get_w(),my_surface.get_h());
+
+	{
+		surface<float> dest(24,24);
+
+		int x,y;
+		for(x=0;x<dest.get_w();x++)
+			for(y=0;y<dest.get_h();y++)
+			{
+				dest[y][x]=my_surface.cubic_sample(
+					float(x)/float(dest.get_w()-1)*float(my_surface.get_w()-1),
+					float(y)/float(dest.get_h()-1)*float(my_surface.get_h()-1)
+				);
+			}
+
+		display_pen(dest.begin(),dest.get_w(),dest.get_h());
+	}
+
+	display_pen(my_surface.begin(),my_surface.get_w(),my_surface.get_h());
+	{
+		surface<float> dest(16,16);
+
+		int x,y;
+		for(x=0;x<dest.get_w();x++)
+			for(y=0;y<dest.get_h();y++)
+			{
+				dest[y][x]=my_surface.cubic_sample(
+					float(x)/float(dest.get_w()-1)*float(my_surface.get_w()-1),
+					float(y)/float(dest.get_h()-1)*float(my_surface.get_h()-1)
+				);
+			}
+
+		display_pen(dest.begin(),dest.get_w(),dest.get_h());
+	}
+
+	printf("Surface:cubic_sample_test(): %d errors.\n",ret);
+
+	return ret;
+}
+
+/* === E N T R Y P O I N T ================================================= */
+
+int main()
+{
+	int error=0;
+
+	error+=basic_test();
+	error+=linear_sample_test();
+	error+=cubic_sample_test();
+
+	return error;
+}