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      1 /*
      2  * Copyright 2012 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 #include "PathOpsTestCommon.h"
      8 #include "SkPathOpsCubic.h"
      9 #include "SkPathOpsLine.h"
     10 #include "SkPathOpsQuad.h"
     11 #include "SkPathOpsRect.h"
     12 #include "Test.h"
     13 
     14 static const QuadPts quadTests[] = {
     15     {{{1, 1}, {2, 1}, {0, 2}}},
     16     {{{0, 0}, {1, 1}, {3, 1}}},
     17     {{{2, 0}, {1, 1}, {2, 2}}},
     18     {{{4, 0}, {0, 1}, {4, 2}}},
     19     {{{0, 0}, {0, 1}, {1, 1}}},
     20 };
     21 
     22 static const CubicPts cubicTests[] = {
     23     {{{2, 0}, {3, 1}, {2, 2}, {1, 1}}},
     24     {{{3, 1}, {2, 2}, {1, 1}, {2, 0}}},
     25     {{{3, 0}, {2, 1}, {3, 2}, {1, 1}}},
     26 };
     27 
     28 static const size_t quadTests_count = SK_ARRAY_COUNT(quadTests);
     29 static const size_t cubicTests_count = SK_ARRAY_COUNT(cubicTests);
     30 
     31 static void setRawBounds(const SkDQuad& quad, SkDRect* rect) {
     32     rect->set(quad[0]);
     33     rect->add(quad[1]);
     34     rect->add(quad[2]);
     35 }
     36 
     37 static void setRawBounds(const SkDCubic& cubic, SkDRect* rect) {
     38     rect->set(cubic[0]);
     39     rect->add(cubic[1]);
     40     rect->add(cubic[2]);
     41     rect->add(cubic[3]);
     42 }
     43 
     44 DEF_TEST(PathOpsDRect, reporter) {
     45     size_t index;
     46     SkDRect rect, rect2;
     47     for (index = 0; index < quadTests_count; ++index) {
     48         const QuadPts& q = quadTests[index];
     49         SkDQuad quad;
     50         quad.debugSet(q.fPts);
     51         SkASSERT(ValidQuad(quad));
     52         setRawBounds(quad, &rect);
     53         rect2.setBounds(quad);
     54         REPORTER_ASSERT(reporter, rect.intersects(rect2));
     55         // FIXME: add a recursive box subdivision method to verify that tight bounds is correct
     56         SkDPoint leftTop = {rect2.fLeft, rect2.fTop};
     57         REPORTER_ASSERT(reporter, rect.contains(leftTop));
     58         SkDPoint rightBottom = {rect2.fRight, rect2.fBottom};
     59         REPORTER_ASSERT(reporter, rect.contains(rightBottom));
     60     }
     61     for (index = 0; index < cubicTests_count; ++index) {
     62         const CubicPts& c = cubicTests[index];
     63         SkDCubic cubic;
     64         cubic.debugSet(c.fPts);
     65         SkASSERT(ValidCubic(cubic));
     66         setRawBounds(cubic, &rect);
     67         rect2.setBounds(cubic);
     68         REPORTER_ASSERT(reporter, rect.intersects(rect2));
     69         // FIXME: add a recursive box subdivision method to verify that tight bounds is correct
     70         SkDPoint leftTop = {rect2.fLeft, rect2.fTop};
     71         REPORTER_ASSERT(reporter, rect.contains(leftTop));
     72         SkDPoint rightBottom = {rect2.fRight, rect2.fBottom};
     73         REPORTER_ASSERT(reporter, rect.contains(rightBottom));
     74     }
     75 }
     76