2 #ifndef SEEN_SP_GRADIENT_TEST_H
3 #define SEEN_SP_GRADIENT_TEST_H
5 #include "document-using-test.h"
8 #include "sp-gradient.h"
9 #include "svg/svg.h"
10 #include "xml/repr.h"
13 class SPGradientTest : public DocumentUsingTest
14 {
15 public:
16 SPDocument* _doc;
18 SPGradientTest() :
19 _doc(0)
20 {
21 }
23 virtual ~SPGradientTest()
24 {
25 if ( _doc )
26 {
27 sp_document_unref( _doc );
28 }
29 }
31 static void createSuiteSubclass( SPGradientTest *& dst )
32 {
33 SPGradient *gr = static_cast<SPGradient *>(g_object_new(SP_TYPE_GRADIENT, NULL));
34 if ( gr ) {
35 UTEST_ASSERT(gr->gradientTransform.test_identity());
36 UTEST_ASSERT(gr->gradientTransform == NR::identity());
37 g_object_unref(gr);
39 dst = new SPGradientTest();
40 }
41 }
43 static SPGradientTest *createSuite()
44 {
45 return Inkscape::createSuiteAndDocument<SPGradientTest>( createSuiteSubclass );
46 }
48 static void destroySuite( SPGradientTest *suite ) { delete suite; }
50 // -------------------------------------------------------------------------
51 // -------------------------------------------------------------------------
53 void testSetGradientTransform()
54 {
55 SPGradient *gr = static_cast<SPGradient *>(g_object_new(SP_TYPE_GRADIENT, NULL));
56 SP_OBJECT(gr)->document = _doc;
58 sp_object_set(SP_OBJECT(gr), SP_ATTR_GRADIENTTRANSFORM, "translate(5, 8)");
59 TS_ASSERT_EQUALS( gr->gradientTransform, NR::Matrix(NR::translate(5, 8)) );
61 sp_object_set(SP_OBJECT(gr), SP_ATTR_GRADIENTTRANSFORM, "");
62 TS_ASSERT_EQUALS( gr->gradientTransform, NR::identity() );
64 sp_object_set(SP_OBJECT(gr), SP_ATTR_GRADIENTTRANSFORM, "rotate(90)");
65 TS_ASSERT_EQUALS( gr->gradientTransform, NR::Matrix(rotate_degrees(90)) );
67 g_object_unref(gr);
68 }
71 void testWrite()
72 {
73 SPGradient *gr = static_cast<SPGradient *>(g_object_new(SP_TYPE_GRADIENT, NULL));
74 SP_OBJECT(gr)->document = _doc;
76 sp_object_set(SP_OBJECT(gr), SP_ATTR_GRADIENTTRANSFORM, "matrix(0, 1, -1, 0, 0, 0)");
77 Inkscape::XML::Node *repr = sp_repr_new("svg:radialGradient");
78 SP_OBJECT(gr)->updateRepr(repr, SP_OBJECT_WRITE_ALL);
79 {
80 gchar const *tr = repr->attribute("gradientTransform");
81 NR::Matrix svd;
82 bool const valid = sp_svg_transform_read(tr, &svd);
83 TS_ASSERT( valid );
84 TS_ASSERT_EQUALS( svd, NR::Matrix(rotate_degrees(90)) );
85 }
87 g_object_unref(gr);
88 }
91 void testGetG2dGetGs2dSetGs2d()
92 {
93 SPGradient *gr = static_cast<SPGradient *>(g_object_new(SP_TYPE_GRADIENT, NULL));
94 SP_OBJECT(gr)->document = _doc;
95 NR::Matrix const grXform(2, 1,
96 1, 3,
97 4, 6);
98 gr->gradientTransform = grXform;
99 NR::Rect const unit_rect(NR::Point(0, 0), NR::Point(1, 1));
100 {
101 NR::Matrix const g2d(sp_gradient_get_g2d_matrix(gr, NR::identity(), unit_rect));
102 NR::Matrix const gs2d(sp_gradient_get_gs2d_matrix(gr, NR::identity(), unit_rect));
103 TS_ASSERT_EQUALS( g2d, NR::identity() );
104 TS_ASSERT( NR::matrix_equalp(gs2d, gr->gradientTransform * g2d, 1e-12) );
106 sp_gradient_set_gs2d_matrix(gr, NR::identity(), unit_rect, gs2d);
107 TS_ASSERT( NR::matrix_equalp(gr->gradientTransform, grXform, 1e-12) );
108 }
110 gr->gradientTransform = grXform;
111 NR::Matrix const funny(2, 3,
112 4, 5,
113 6, 7);
114 {
115 NR::Matrix const g2d(sp_gradient_get_g2d_matrix(gr, funny, unit_rect));
116 NR::Matrix const gs2d(sp_gradient_get_gs2d_matrix(gr, funny, unit_rect));
117 TS_ASSERT_EQUALS( g2d, funny );
118 TS_ASSERT( NR::matrix_equalp(gs2d, gr->gradientTransform * g2d, 1e-12) );
120 sp_gradient_set_gs2d_matrix(gr, funny, unit_rect, gs2d);
121 TS_ASSERT( NR::matrix_equalp(gr->gradientTransform, grXform, 1e-12) );
122 }
124 gr->gradientTransform = grXform;
125 NR::Rect const larger_rect(NR::Point(5, 6), NR::Point(8, 10));
126 {
127 NR::Matrix const g2d(sp_gradient_get_g2d_matrix(gr, funny, larger_rect));
128 NR::Matrix const gs2d(sp_gradient_get_gs2d_matrix(gr, funny, larger_rect));
129 TS_ASSERT_EQUALS( g2d, NR::Matrix(3, 0,
130 0, 4,
131 5, 6) * funny );
132 TS_ASSERT( NR::matrix_equalp(gs2d, gr->gradientTransform * g2d, 1e-12) );
134 sp_gradient_set_gs2d_matrix(gr, funny, larger_rect, gs2d);
135 TS_ASSERT( NR::matrix_equalp(gr->gradientTransform, grXform, 1e-12) );
137 sp_object_set(SP_OBJECT(gr), SP_ATTR_GRADIENTUNITS, "userSpaceOnUse");
138 NR::Matrix const user_g2d(sp_gradient_get_g2d_matrix(gr, funny, larger_rect));
139 NR::Matrix const user_gs2d(sp_gradient_get_gs2d_matrix(gr, funny, larger_rect));
140 TS_ASSERT_EQUALS( user_g2d, funny );
141 TS_ASSERT( NR::matrix_equalp(user_gs2d, gr->gradientTransform * user_g2d, 1e-12) );
142 }
143 g_object_unref(gr);
144 }
146 };
149 #endif // SEEN_SP_GRADIENT_TEST_H
151 /*
152 Local Variables:
153 mode:c++
154 c-file-style:"stroustrup"
155 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
156 indent-tabs-mode:nil
157 fill-column:99
158 End:
159 */
160 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :