virtual void onDraw(SkCanvas* canvas) {
if (false) {
test_grad(canvas); return;
}
if (false) { // avoid bit rot, suppress warning
test_mask();
}
// Initial pixel-boundary-aligned draw
draw_rect_tests(canvas);
// Repeat 4x with .2, .4, .6, .8 px offsets
canvas->translate(SK_Scalar1 / 5, SK_Scalar1 / 5);
canvas->translate(SkIntToScalar(50), 0);
draw_rect_tests(canvas);
canvas->translate(SK_Scalar1 / 5, SK_Scalar1 / 5);
canvas->translate(SkIntToScalar(50), 0);
draw_rect_tests(canvas);
canvas->translate(SK_Scalar1 / 5, SK_Scalar1 / 5);
canvas->translate(SkIntToScalar(50), 0);
draw_rect_tests(canvas);
canvas->translate(SK_Scalar1 / 5, SK_Scalar1 / 5);
canvas->translate(SkIntToScalar(50), 0);
draw_rect_tests(canvas);
}
bool test_gradients(Shapeset *shapeset) {
_F_
printf("IV. gradients\n");
// edge fns
printf("\n* Edge functions\n");
for (int i = 0; i < Hex::NUM_EDGES; i++) {
Ord1 order = H3D_MAX_ELEMENT_ORDER;
int *edge_idx = shapeset->get_edge_indices(i, 0, order);
for (int j = 0; j < shapeset->get_num_edge_fns(order); j++) {
if (!test_grad(edge_idx[j], shapeset))
return false;
}
}
// face fns
printf("\n* Face functions\n");
for (int i = 0; i < Hex::NUM_FACES; i++) {
Ord2 order(H3D_MAX_ELEMENT_ORDER, H3D_MAX_ELEMENT_ORDER);
int *face_idx = shapeset->get_face_indices(i, 0, order);
for (int j = 0; j < shapeset->get_num_face_fns(order); j++) {
if (!test_grad(face_idx[j], shapeset))
return false;
}
}
// bubble
printf("\n* Bubble functions\n");
Ord3 order(H3D_MAX_ELEMENT_ORDER, H3D_MAX_ELEMENT_ORDER, H3D_MAX_ELEMENT_ORDER);
int *bubble_idx = shapeset->get_bubble_indices(order);
for (int j = 0; j < shapeset->get_num_bubble_fns(order); j++) {
if (!test_grad(bubble_idx[j], shapeset))
return false;
}
printf("\n");
return true;
}
