X-Git-Url: http://git.asbjorn.biz/?a=blobdiff_plain;ds=sidebyside;f=lib%2Fgfxpoly%2Fspeedtest.c;fp=lib%2Fgfxpoly%2Fspeedtest.c;h=8f35a45971d646dce26bd4a7905628327a130a6f;hb=42bba07c1573e32b0cf504e76619fd1bd0eb3dcd;hp=0000000000000000000000000000000000000000;hpb=a9c3c32bc9ba2604d0bab6a7a2df530396b6d965;p=swftools.git

diff --git a/lib/gfxpoly/speedtest.c b/lib/gfxpoly/speedtest.c
new file mode 100644
index 0000000..8f35a45
--- /dev/null
+++ b/lib/gfxpoly/speedtest.c
@@ -0,0 +1,150 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <memory.h>
+#include <math.h>
+#include <sys/times.h>
+#include "../gfxtools.h"
+#include "poly.h"
+#include "convert.h"
+#include "renderpoly.h"
+#include "stroke.h"
+
+#ifdef CHECKS
+#error "speedtest must be compiled without CHECKS"
+#endif
+
+#ifdef DEBUG
+#error "speedtest must be compiled without DEBUG"
+#endif
+
+gfxline_t* mkchessboard()
+{
+    gfxline_t*b = 0;
+    int x,y;
+    unsigned int r = 0;
+    int spacing = 20;
+
+    int num_caros = 40;
+    int l = 5;
+    char do_centerpiece=1;
+
+    //int num_caros = 4;
+    //int l=1;
+    //char do_centerpiece=0;
+
+    for(x=-l;x<=l;x++) 
+    for(y=-l;y<=l;y++) {
+        /* pseudo random */ 
+        r = crc32_add_byte(r, x);r = crc32_add_byte(r, y);
+        if(r&1) {
+            gfxline_t*box;
+            if(r&2) {
+                box = gfxline_makerectangle(x*spacing,y*spacing,(x+1)*spacing,(y+1)*spacing);
+            } else {
+                box = gfxline_makerectangle((x+1)*spacing,y*spacing,x*spacing,(y+1)*spacing);
+            }
+            b = gfxline_append(b, box);
+        }
+    }
+
+    int t;
+    for(t=0;t<num_caros;t++) {
+        r = crc32_add_byte(r, t);
+        int x=(r%10-5)*spacing;
+        int y=((r>>4)%10-5)*spacing;
+        int sizex = ((r>>8)%4)*spacing;
+        int sizey = sizex;
+        if(r&65536)
+            sizex = -sizex;
+        gfxline_t*l = malloc(sizeof(gfxline_t)*5);
+        l[0].type = gfx_moveTo;l[0].next = &l[1];
+        l[1].type = gfx_lineTo;l[1].next = &l[2];
+        l[2].type = gfx_lineTo;l[2].next = &l[3];
+        l[3].type = gfx_lineTo;l[3].next = &l[4];
+        l[4].type = gfx_lineTo;l[4].next = 0;
+        l[0].x = x;
+        l[0].y = y-sizey;
+        l[1].x = x+sizex;
+        l[1].y = y;
+        l[2].x = x;
+        l[2].y = y+sizey;
+        l[3].x = x-sizex;
+        l[3].y = y;
+        l[4].x = x;
+        l[4].y = y-sizey;
+        gfxline_append(b, l);
+    }
+    if(do_centerpiece) {
+	for(t=0;t<5;t++) {
+	    gfxline_t*l = gfxline_makerectangle(-9*spacing,-10,9*spacing,10);
+	    gfxmatrix_t matrix;
+	    memset(&matrix, 0, sizeof(gfxmatrix_t));
+	    double ua=t*0.43;
+	    matrix.m00=cos(ua);matrix.m10=sin(ua);
+	    matrix.m01=-sin(ua);matrix.m11=cos(ua);
+	    gfxline_transform(l, &matrix);
+	    gfxline_append(b, l);
+	}
+	gfxline_append(b, gfxline_makecircle(100,100,100,100));
+    }
+    return b;
+}
+
+gfxline_t* make_circles(gfxline_t*b, int n)
+{
+    unsigned int c = 0;
+    int t;
+    for(t=0;t<n;t++) {
+        c = crc32_add_byte(c, t);
+	int x = c%200;
+	c = crc32_add_byte(c, t);
+	int y = c%200;;
+	c = crc32_add_byte(c, t^0x55);
+	int r = c%100;
+	gfxline_t*c = gfxline_makecircle(x,y,r,r);
+	b = gfxline_append(b, c);
+	//b = gfxline_append(b, gfxline_makerectangle(10,10,100,100));
+    }
+    return b;
+}
+
+static windcontext_t onepolygon = {1};
+static windcontext_t twopolygons = {2};
+
+int test_speed()
+{
+    gfxline_t* b = mkchessboard();
+    b = make_circles(b, 30);
+
+    gfxmatrix_t m;
+    memset(&m, 0, sizeof(gfxmatrix_t));
+    int t;
+    for(t=0;t<360;t++) {
+	//printf("%d\n", t);
+	m.m00 = cos(t*M_PI/180.0);
+	m.m01 = sin(t*M_PI/180.0);
+	m.m10 = -sin(t*M_PI/180.0);
+	m.m11 = cos(t*M_PI/180.0);
+	m.tx = 400*1.41/2;
+	m.ty = 400*1.41/2;
+	gfxline_t*l = gfxline_clone(b);
+	gfxline_transform(l, &m);
+	gfxpoly_t*poly = gfxpoly_from_fill(b, 0.05);
+
+	gfxpoly_t*poly2 = gfxpoly_process(poly, 0, &windrule_evenodd, &onepolygon);
+	gfxpoly_destroy(poly);
+	gfxpoly_destroy(poly2);
+	gfxline_free(l);
+    }
+    gfxline_free(b);
+}
+
+int main(int argn, char*argv[])
+{
+    struct tms t1,t2;
+    times(&t1);
+    test_speed();
+    times(&t2);
+    printf("%d\n", t2.tms_utime - t1.tms_utime);
+}
+