PostGIS 3.7.0dev-r@@SVN_REVISION@@
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cu_out_svg.c
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1/**********************************************************************
2 *
3 * PostGIS - Spatial Types for PostgreSQL
4 * http://postgis.net
5 * Copyright 2010 Olivier Courtin <olivier.courtin@oslandia.com>
6 *
7 * This is free software; you can redistribute and/or modify it under
8 * the terms of the GNU General Public Licence. See the COPYING file.
9 *
10 **********************************************************************/
11
12#include <stdio.h>
13#include <stdlib.h>
14#include <string.h>
15#include "CUnit/Basic.h"
16
17#include "liblwgeom_internal.h"
18#include "cu_tester.h"
19
20static void do_svg_test(char * in, char * out, int precision, int relative)
21{
22 LWGEOM *g = lwgeom_from_wkt(in, LW_PARSER_CHECK_NONE);
23 lwvarlena_t *v = lwgeom_to_svg(g, precision, relative);
24
25 ASSERT_VARLENA_EQUAL(v, out);
26
27 lwgeom_free(g);
28 lwfree(v);
29}
30
31
32static void do_svg_unsupported(char * in, char * out)
33{
34 LWGEOM *g = lwgeom_from_wkt(in, LW_PARSER_CHECK_NONE);
35 lwvarlena_t *v = lwgeom_to_svg(g, 0, 0);
36
37 ASSERT_STRING_EQUAL(cu_error_msg, out);
38 cu_error_msg_reset();
39
40 lwgeom_free(g);
41 lwfree(v);
42}
43
44
45static void out_svg_test_precision(void)
46{
47 /* 0 precision, i.e a round - with Circle point */
48 do_svg_test(
49 "POINT(1.1111111111111 1.1111111111111)",
50 "cx=\"1\" cy=\"-1\"",
51 0, 0);
52
53 /* 0 precision, i.e a round - with Point */
54 do_svg_test(
55 "POINT(1.1111111111111 1.1111111111111)",
56 "x=\"1\" y=\"-1\"",
57 0, 1);
58
59 /* 0 precision, i.e a round - with PointArray */
60 do_svg_test(
61 "LINESTRING(1.1111111111111 1.1111111111111,1.1111111111111 1.1111111111111)",
62 "M 1 -1 L 1 -1",
63 0, 0);
64
65 /* 0 precision, i.e a round - with relative PointArray */
66 do_svg_test(
67 "LINESTRING(1.1111111111111 1.1111111111111,1.1111111111111 1.1111111111111)",
68 "M 1 -1 l 0 0",
69 0, 1);
70
71
72 /* 9 digits precision - with Circle point */
73 do_svg_test(
74 "POINT(1.2345678901234 1.2345678901234)",
75 "cx=\"1.23456789\" cy=\"-1.23456789\"",
76 9, 0);
77
78 /* 9 digits precision - with Point */
79 do_svg_test(
80 "POINT(1.2345678901234 1.2345678901234)",
81 "x=\"1.23456789\" y=\"-1.23456789\"",
82 9, 1);
83
84 /* 9 digits precision - with PointArray */
85 do_svg_test(
86 "LINESTRING(1.2345678901234 1.2345678901234,2.3456789012345 2.3456789012345)",
87 "M 1.23456789 -1.23456789 L 2.345678901 -2.345678901",
88 9, 0);
89
90 /* 9 digits precision - with relative PointArray */
91 do_svg_test(
92 "LINESTRING(1.2345678901234 1.2345678901234,2.3456789012345 2.3456789012345)",
93 "M 1.23456789 -1.23456789 l 1.111111011 -1.111111011",
94 9, 1);
95
96
97 /* huge data - with Circle point */
98 do_svg_test(
99 "POINT(1E300 -1E300)",
100 "cx=\"1e+300\" cy=\"1e+300\"",
101 0, 0);
102
103 /* huge data - with Point */
104 do_svg_test(
105 "POINT(1E300 -1E300)",
106 "x=\"1e+300\" y=\"1e+300\"",
107 0, 1);
108
109 /* huge data - with PointArray */
110 do_svg_test(
111 "LINESTRING(1E300 -1E300,1E301 -1E301)",
112 "M 1e+300 1e+300 L 1e+301 1e+301",
113 0, 0);
114
115 /* huge data - with relative PointArray */
116 do_svg_test("LINESTRING(1E300 -1E300,1E301 -1E301)", "M 1e+300 1e+300 l 9e+300 9e+300", 0, 1);
117}
118
119
120static void out_svg_test_dims(void)
121{
122 /* 4D - with Circle point */
123 do_svg_test(
124 "POINT(0 1 2 3)",
125 "cx=\"0\" cy=\"-1\"",
126 0, 0);
127
128 /* 4D - with Point */
129 do_svg_test(
130 "POINT(0 1 2 3)",
131 "x=\"0\" y=\"-1\"",
132 0, 1);
133
134 /* 4D - with PointArray */
135 do_svg_test(
136 "LINESTRING(0 1 2 3,4 5 6 7)",
137 "M 0 -1 L 4 -5",
138 0, 0);
139
140 /* 4D - with relative PointArray */
141 do_svg_test(
142 "LINESTRING(0 1 2 3,4 5 6 7)",
143 "M 0 -1 l 4 -4",
144 0, 1);
145}
146
147
148static void out_svg_test_geoms(void)
149{
150 /* Linestring */
151 do_svg_test(
152 "LINESTRING(0 1,2 3,4 5)",
153 "M 0 -1 L 2 -3 4 -5",
154 0, 0);
155
156 /* Polygon */
157 do_svg_test(
158 "POLYGON((0 1,2 3,4 5,0 1))",
159 "M 0 -1 L 2 -3 4 -5 Z",
160 0, 0);
161
162 /* Polygon - with internal ring */
163 do_svg_test(
164 "POLYGON((0 1,2 3,4 5,0 1),(6 7,8 9,10 11,6 7))",
165 "M 0 -1 L 2 -3 4 -5 Z M 6 -7 L 8 -9 10 -11 Z",
166 0, 0);
167
168 /* MultiPoint */
169 do_svg_test(
170 "MULTIPOINT(0 1,2 3)",
171 "cx=\"0\" cy=\"-1\",cx=\"2\" cy=\"-3\"",
172 0, 0);
173
174 /* MultiLine */
175 do_svg_test(
176 "MULTILINESTRING((0 1,2 3,4 5),(6 7,8 9,10 11))",
177 "M 0 -1 L 2 -3 4 -5 M 6 -7 L 8 -9 10 -11",
178 0, 0);
179
180 /* MultiPolygon */
181 do_svg_test(
182 "MULTIPOLYGON(((0 1,2 3,4 5,0 1)),((6 7,8 9,10 11,6 7)))",
183 "M 0 -1 L 2 -3 4 -5 Z M 6 -7 L 8 -9 10 -11 Z",
184 0, 0);
185
186 /* GeometryCollection */
187 do_svg_test(
188 "GEOMETRYCOLLECTION(POINT(0 1),LINESTRING(2 3,4 5))",
189 "cx=\"0\" cy=\"-1\";M 2 -3 L 4 -5",
190 0, 0);
191
192 /* CircularString */
193 do_svg_test(
194 "CIRCULARSTRING(-2 0,0 2,2 0,0 2,2 4)",
195 "M -2 0 A 2 2 0 0 1 2 0 A 2 2 0 0 1 2 -4",
196 0, 0);
197
198 /* : Circle */
199 do_svg_test(
200 "CIRCULARSTRING(4 2,-2 2,4 2)",
201 "M 1 -2 m 3 0 a 3 3 0 1 0 -6 0 a 3 3 0 1 0 6 0",
202 0, 0);
203
204 /* CompoundCurve */
205 do_svg_test(
206 "COMPOUNDCURVE(CIRCULARSTRING(0 0,1 1,1 0),(1 0,0 1))",
207 "M 0 0 A 1 1 0 1 1 1 0 L 0 -1", 0, 0);
208
209 /* MultiCurve */
210 do_svg_test(
211 "MULTICURVE((5 5,3 5,3 3,0 3),CIRCULARSTRING(0 0,2 1,2 2))",
212 "M 5 -5 L 3 -5 3 -3 0 -3 M 0 0 A 2 2 0 0 0 2 -2", 0, 0);
213
214 /* CurvePolygon */
215 do_svg_test(
216 "CURVEPOLYGON(CIRCULARSTRING(-2 0,-1 -1,0 0,1 -1,2 0,0 2,-2 0),(-1 0,0 0.5,1 0,0 1,-1 0))",
217 "M -2 0 A 1 1 0 0 0 0 0 A 1 1 0 0 0 2 0 A 2 2 0 0 0 -2 0 Z M -1 0 L 0 0 1 0 0 -1 -1 0 Z", 0, 0);
218
219 /* MultiSurface */
220 do_svg_test(
221 "MULTISURFACE(CURVEPOLYGON(CIRCULARSTRING(-2 0,-1 -1,0 0,1 -1,2 0,0 2,-2 0),(-1 0,0 0.5,1 0,0 1,-1 0)),((7 8,10 10,6 14,4 11,7 8)))",
222 "M -2 0 A 1 1 0 0 0 0 0 A 1 1 0 0 0 2 0 A 2 2 0 0 0 -2 0 Z M -1 0 L 0 0 1 0 0 -1 -1 0 Z M 7 -8 L 10 -10 6 -14 4 -11 Z", 0, 0);
223
224 /* Empty GeometryCollection */
225 do_svg_test(
226 "GEOMETRYCOLLECTION EMPTY",
227 "",
228 0, 0);
229
230 /* Nested GeometryCollection */
231 do_svg_unsupported(
232 "GEOMETRYCOLLECTION(POINT(0 1),GEOMETRYCOLLECTION(LINESTRING(2 3,4 5)))",
233 "assvg_geom_buf: 'GeometryCollection' geometry type not supported.");
234
235}
236
237static void out_svg_test_relative(void)
238{
239 /* Linestring */
240 do_svg_test(
241 "LINESTRING(0 1,2 3,4 5)",
242 "M 0 -1 l 2 -2 2 -2",
243 0, 1);
244
245 /* Polygon */
246 do_svg_test(
247 "POLYGON((0 1,2 3,4 5,0 1))",
248 "M 0 -1 l 2 -2 2 -2 z",
249 0, 1);
250
251 /* Polygon - with internal ring */
252 do_svg_test(
253 "POLYGON((0 1,2 3,4 5,0 1),(6 7,8 9,10 11,6 7))",
254 "M 0 -1 l 2 -2 2 -2 z M 6 -7 l 2 -2 2 -2 z",
255 0, 1);
256
257 /* MultiPoint */
258 do_svg_test(
259 "MULTIPOINT(0 1,2 3)",
260 "x=\"0\" y=\"-1\",x=\"2\" y=\"-3\"",
261 0, 1);
262
263 /* MultiLine */
264 do_svg_test(
265 "MULTILINESTRING((0 1,2 3,4 5),(6 7,8 9,10 11))",
266 "M 0 -1 l 2 -2 2 -2 M 6 -7 l 2 -2 2 -2",
267 0, 1);
268
269 /* MultiPolygon */
270 do_svg_test(
271 "MULTIPOLYGON(((0 1,2 3,4 5,0 1)),((6 7,8 9,10 11,6 7)))",
272 "M 0 -1 l 2 -2 2 -2 z M 6 -7 l 2 -2 2 -2 z",
273 0, 1);
274
275 /* GeometryCollection */
276 do_svg_test(
277 "GEOMETRYCOLLECTION(POINT(0 1),LINESTRING(2 3,4 5))",
278 "x=\"0\" y=\"-1\";M 2 -3 l 2 -2",
279 0, 1);
280}
281
282static void out_svg_test_srid(void)
283{
284 /* SRID - with Circle point */
285 do_svg_test(
286 "SRID=4326;POINT(0 1)",
287 "cx=\"0\" cy=\"-1\"",
288 0, 0);
289
290 /* SRID - with Point */
291 do_svg_test(
292 "SRID=4326;POINT(0 1)",
293 "x=\"0\" y=\"-1\"",
294 0, 1);
295
296 /* SRID - with PointArray */
297 do_svg_test(
298 "SRID=4326;LINESTRING(0 1,2 3)",
299 "M 0 -1 L 2 -3",
300 0, 0);
301
302 /* SRID - with relative PointArray */
303 do_svg_test(
304 "SRID=4326;LINESTRING(0 1,2 3)",
305 "M 0 -1 l 2 -2",
306 0, 1);
307}
308
309/*
310** Used by test harness to register the tests in this file.
311*/
312void out_svg_suite_setup(void);
313void out_svg_suite_setup(void)
314{
315 CU_pSuite suite = CU_add_suite("svg_output", NULL, NULL);
316 PG_ADD_TEST(suite, out_svg_test_precision);
317 PG_ADD_TEST(suite, out_svg_test_dims);
318 PG_ADD_TEST(suite, out_svg_test_relative);
319 PG_ADD_TEST(suite, out_svg_test_geoms);
320 PG_ADD_TEST(suite, out_svg_test_srid);
321}
precision
static uint8_t precision
Definition cu_in_twkb.c:25
out_svg_test_srid
static void out_svg_test_srid(void)
Definition cu_out_svg.c:282
out_svg_test_geoms
static void out_svg_test_geoms(void)
Definition cu_out_svg.c:148
out_svg_test_relative
static void out_svg_test_relative(void)
Definition cu_out_svg.c:237
do_svg_unsupported
static void do_svg_unsupported(char *in, char *out)
Definition cu_out_svg.c:32
out_svg_suite_setup
void out_svg_suite_setup(void)
Definition cu_out_svg.c:313
out_svg_test_dims
static void out_svg_test_dims(void)
Definition cu_out_svg.c:120
do_svg_test
static void do_svg_test(char *in, char *out, int precision, int relative)
Definition cu_out_svg.c:20
out_svg_test_precision
static void out_svg_test_precision(void)
Definition cu_out_svg.c:45
cu_error_msg_reset
void cu_error_msg_reset()
Definition liblwgeom/cunit/cu_tester.c:307
cu_error_msg
char cu_error_msg[MAX_CUNIT_ERROR_LENGTH+1]
Definition liblwgeom/cunit/cu_tester.c:19
ASSERT_VARLENA_EQUAL
#define ASSERT_VARLENA_EQUAL(v, s)
Definition liblwgeom/cunit/cu_tester.h:96
PG_ADD_TEST
#define PG_ADD_TEST(suite, testfunc)
Definition liblwgeom/cunit/cu_tester.h:21
ASSERT_STRING_EQUAL
#define ASSERT_STRING_EQUAL(o, e)
Definition liblwgeom/cunit/cu_tester.h:94
lwgeom_free
void lwgeom_free(LWGEOM *geom)
Definition lwgeom.c:1246
LW_PARSER_CHECK_NONE
#define LW_PARSER_CHECK_NONE
Definition liblwgeom.h:2149
lwgeom_to_svg
lwvarlena_t * lwgeom_to_svg(const LWGEOM *geom, int precision, int relative)
Takes a GEOMETRY and returns a SVG representation.
Definition lwout_svg.c:559
lwfree
void lwfree(void *mem)
Definition lwutil.c:248
lwgeom_from_wkt
LWGEOM * lwgeom_from_wkt(const char *wkt, const char check)
Definition lwin_wkt.c:940
liblwgeom_internal.h
cu_tester.h
lwvarlena_t
Definition liblwgeom.h:306