src/sp-gradient-test.h

   1
   2 #ifndef SEEN_SP_GRADIENT_TEST_H
   3 #define SEEN_SP_GRADIENT_TEST_H
   4
   5 #include "document-using-test.h"
   6
   7
   8 #include "sp-gradient.h"
   9 #include "svg/svg.h"
  10 #include "xml/repr.h"
  11
  12
  13 class SPGradientTest : public DocumentUsingTest
  14 {
  15 public:
  16     SPDocument* _doc;
  17
  18     SPGradientTest() :
  19         _doc(0)
  20     {
  21     }
  22
  23     virtual ~SPGradientTest()
  24     {
  25         if ( _doc )
  26         {
  27             sp_document_unref( _doc );
  28         }
  29     }
  30
  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);
  38
  39             dst = new SPGradientTest();
  40         }
  41     }
  42
  43     static SPGradientTest *createSuite()
  44     {
  45         return Inkscape::createSuiteAndDocument<SPGradientTest>( createSuiteSubclass );
  46     }
  47
  48     static void destroySuite( SPGradientTest *suite ) { delete suite; }
  49
  50 // -------------------------------------------------------------------------
  51 // -------------------------------------------------------------------------
  52
  53     void testSetGradientTransform()
  54     {
  55         SPGradient *gr = static_cast<SPGradient *>(g_object_new(SP_TYPE_GRADIENT, NULL));
  56         SP_OBJECT(gr)->document = _doc;
  57
  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)) );
  60
  61         sp_object_set(SP_OBJECT(gr), SP_ATTR_GRADIENTTRANSFORM, "");
  62         TS_ASSERT_EQUALS( gr->gradientTransform, NR::identity() );
  63
  64         sp_object_set(SP_OBJECT(gr), SP_ATTR_GRADIENTTRANSFORM, "rotate(90)");
  65         TS_ASSERT_EQUALS( gr->gradientTransform, NR::Matrix(rotate_degrees(90)) );
  66
  67         g_object_unref(gr);
  68     }
  69
  70
  71     void testWrite()
  72     {
  73         SPGradient *gr = static_cast<SPGradient *>(g_object_new(SP_TYPE_GRADIENT, NULL));
  74         SP_OBJECT(gr)->document = _doc;
  75
  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         }
  86
  87         g_object_unref(gr);
  88     }
  89
  90
  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) );
 105
 106             sp_gradient_set_gs2d_matrix(gr, NR::identity(), unit_rect, gs2d);
 107             TS_ASSERT( NR::matrix_equalp(gr->gradientTransform, grXform, 1e-12) );
 108         }
 109
 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) );
 119
 120             sp_gradient_set_gs2d_matrix(gr, funny, unit_rect, gs2d);
 121             TS_ASSERT( NR::matrix_equalp(gr->gradientTransform, grXform, 1e-12) );
 122         }
 123
 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) );
 133
 134             sp_gradient_set_gs2d_matrix(gr, funny, larger_rect, gs2d);
 135             TS_ASSERT( NR::matrix_equalp(gr->gradientTransform, grXform, 1e-12) );
 136
 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     }
 145
 146 };
 147
 148
 149 #endif // SEEN_SP_GRADIENT_TEST_H
 150
 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 :