TEST(ImageCandidateTest, Basic) { ImageCandidate candidate; ASSERT_EQ(candidate.density(), 1); ASSERT_EQ(candidate.getResourceWidth(), -1); ASSERT_EQ(candidate.srcOrigin(), false); }
void HTMLImageElement::setBestFitURLAndDPRFromImageCandidate(const ImageCandidate& candidate) { m_bestFitImageURL = candidate.url(); float candidateDensity = candidate.density(); if (candidateDensity >= 0) m_imageDevicePixelRatio = 1.0 / candidateDensity; if (renderer() && renderer()->isImage()) toRenderImage(renderer())->setImageDevicePixelRatio(m_imageDevicePixelRatio); }
void HTMLImageElement::setBestFitURLAndDPRFromImageCandidate(const ImageCandidate& candidate) { m_bestFitImageURL = candidate.url(); float candidateDensity = candidate.density(); if (candidateDensity >= 0) m_imageDevicePixelRatio = 1.0 / candidateDensity; if (candidate.resourceWidth() > 0) { m_intrinsicSizingViewportDependant = true; UseCounter::count(document(), UseCounter::SrcsetWDescriptor); } else if (!candidate.srcOrigin()) { UseCounter::count(document(), UseCounter::SrcsetXDescriptor); } if (layoutObject() && layoutObject()->isImage()) toLayoutImage(layoutObject())->setImageDevicePixelRatio(m_imageDevicePixelRatio); }
static bool compareByDensity(const ImageCandidate& first, const ImageCandidate& second) { return first.density() < second.density(); }
TEST(HTMLSrcsetParserTest, Basic) { TestCase testCases[] = { {2.0, 0.5, "", "data:,a 1w, data:,b 2x", "data:,a", 2.0, 1}, {2.0, 1, "", "data:,a 2w, data:,b 2x", "data:,a", 2.0, 2}, {2.0, -1, "", "1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1}, {2.0, -1, "", "1x.gif 1q, 2x.gif 2x", "2x.gif", 2.0, -1}, {1.0, -1, "", "1x.gif 1q, 2x.gif 2x", "2x.gif", 2.0, -1}, {1.0, -1, "", "1x.gif 1x 100h, 2x.gif 2x", "2x.gif", 2.0, -1}, {1.0, -1, "", "1x.gif 1x 100w, 2x.gif 2x", "2x.gif", 2.0, -1}, {1.0, -1, "", "1x.gif 1x 100h 100w, 2x.gif 2x", "2x.gif", 2.0, -1}, {2.0, -1, "", "1x.gif 1x, 2x.gif -2x", "1x.gif", 1.0, -1}, {2.0, -1, "", "0x.gif 0x", "0x.gif", 0.0, -1}, {2.0, -1, "", "0x.gif -0x", "0x.gif", 0.0, -1}, {2.0, -1, "", "neg.gif -2x", "", 1.0, -1}, {2.0, -1, "", "1x.gif 1x, 2x.gif 2q", "1x.gif", 1.0, -1}, {2.0, -1, "", "1x.gif, 2x.gif 2q", "1x.gif", 1.0, -1}, {2.0, -1, "", "1x.gif , 2x.gif 2q", "1x.gif", 1.0, -1}, {2.0, -1, "1x.gif 1x, 2x.gif 2x", "1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1}, {1.0, -1, "1x.gif 1x, 2x.gif 2x", "1x.gif 1x, 2x.gif 2x", "1x.gif", 1.0, -1}, {1.0, -1, "1x.gif 1x, 2x.gif 2x", "", "1x.gif 1x, 2x.gif 2x", 1.0, -1}, {2.0, -1, "src.gif", "1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1}, {1.0, -1, "src.gif", "1x.gif 1x, 2x.gif 2x", "1x.gif", 1.0, -1}, {1.0, -1, "src.gif", "2x.gif 2x", "src.gif", 1.0, -1}, {2.0, -1, "src.gif", "2x.gif 2x", "2x.gif", 2.0, -1}, {2.0, -1, "src.gif", "2x.gif 2px", "src.gif", 1.0, -1}, {2.0, -1, "src.gif", "2x.gif 2ex", "src.gif", 1.0, -1}, {10.0, -1, "src.gif", "2x.gif 2e1x", "2x.gif", 20.0, -1}, {2.0, -1, "src.gif", "2x.gif 2e1x", "src.gif", 1.0, -1}, {2.0, -1, "src.gif", "2x.gif +2x", "src.gif", 1.0, -1}, {1.5, -1, "src.gif", "2x.gif 2x", "2x.gif", 2.0, -1}, {2.5, -1, "src.gif", "2x.gif 2x", "2x.gif", 2.0, -1}, {2.5, -1, "src.gif", "2x.gif 2x, 3x.gif 3x", "3x.gif", 3.0, -1}, {2.0, -1, "", "1x,, , x ,2x ", "1x", 1.0, -1}, {2.0, -1, "", "1x,, , x ,2x ", "1x", 1.0, -1}, {2.0, -1, "", ",,1x,, , x ,2x ", "1x", 1.0, -1}, {2.0, -1, "", ",,1x,,", "1x", 1.0, -1}, {2.0, -1, "", ",1x,", "1x", 1.0, -1}, {2.0, -1, "", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg 1x, 2x.gif 2x", "2x.gif", 2.0, -1}, {2.0, -1, "", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg 2x, 1x.gif 1x", "data:image/png;base64,iVBORw0KGgoAAAANSUhEUg", 2.0, -1}, {2.0, -1, "", "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100z, 5x.gif 5, dx.gif dx, 2x.gif 2x ,", "2x.gif", 2.0, -1}, {4.0, -1, "", "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100h, 5x.gif 5, dx.gif dx, 2x.gif 2x ,", "2x.gif", 2.0, -1}, {4.0, -1, "", "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100z, 5x.gif 5, dx.gif dx, 2x.gif 2x ,", "2x.gif", 2.0, -1}, {1.0, -1, "", "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100z, 5x.gif 5, dx.gif dx, 2x.gif 2x ,", "1x", 1.0, -1}, {5.0, -1, "", "1x,, , x ,2x , 1x.gif, 3x, 4x.gif 4x 100z, 5x.gif 5, dx.gif dx, 2x.gif 2x ,", "2x.gif", 2.0, -1}, {2.0, -1, "", "1x.gif 1x, data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K 2x", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K", 2.0, -1 }, {2.0, -1, "1x.gif", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K 2x", "data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIj4KCTxyZWN0IHdpZHRoPSIxMDAiIGhlaWdodD0iMTAwIiBmaWxsPSJncmVlbiIvPgo8L3N2Zz4K", 2.0, -1 }, {2.0, -1, "1x.svg#red", "1x.svg#green 2x", "1x.svg#green", 2.0, -1}, {2.0, -1, "", "1x.svg#red 1x, 1x.svg#green 2x", "1x.svg#green", 2.0, -1}, {1.0, 400, "", "400.gif 400w, 6000.gif 6000w", "400.gif", 1.0, 400}, {1.0, 400, "", "400.gif 400pw, 6000.gif 6000w", "6000.gif", 15.0, 6000}, {1.0, 400, "fallback.gif", "400.gif 400pw", "fallback.gif", 1.0, -1}, {1.0, 400, "fallback.gif", "400.gif +400w", "fallback.gif", 1.0, -1}, {1.0, 400, "", "400.gif 400w 400h, 6000.gif 6000w", "400.gif", 1.0, 400}, {4.0, 400, "", "400.gif 400w, 6000.gif 6000w", "6000.gif", 15.0, 6000}, {3.8, 400, "", "400.gif 400w, 6000.gif 6000w", "400.gif", 1.0, 400}, {0.9, 800, "src.gif", "400.gif 400w", "400.gif", 0.5, 400}, {0.9, 800, "src.gif", "1x.gif 1x, 400.gif 400w", "1x.gif", 1.0, -1}, {0.9, 800, "src.gif", "1x.gif 0.6x, 400.gif 400w", "1x.gif", 0.6, -1}, {0.9, 800, "src.gif", "1x.gif 1x, 400.gif 720w", "400.gif", 0.9, 720}, {0.9, 800, "src.gif", "1x.gif 1x, 400.gif 719w", "1x.gif", 1.0, -1}, {2.0, 800, "src.gif", "400.gif 400w", "400.gif", 0.5, 400}, {1.0, 400, "src.gif", "800.gif 800w", "800.gif", 2.0, 800}, {1.0, 400, "src.gif", "0.gif 0w, 800.gif 800w", "800.gif", 2.0, 800}, {1.0, 400, "src.gif", "0.gif 0w, 2x.gif 2x", "src.gif", 1.0, -1}, {1.0, 400, "src.gif", "800.gif 2x, 1600.gif 1600w", "800.gif", 2.0, -1}, {1.0, 400, "", "400.gif 400w, 2x.gif 2x", "400.gif", 1.0, 400}, {2.0, 400, "", "400.gif 400w, 2x.gif 2x", "2x.gif", 2.0, -1}, {1.0, 0, "", "400.gif 400w, 6000.gif 6000w", "400.gif", std::numeric_limits<float>::infinity(), 400}, {2.0, -1, "", ", 1x.gif 1x, 2x.gif 2x", "2x.gif", 2.0, -1}, {1.0, -1, "", ",1x.gif 1x, 2x.gif 2x", "1x.gif", 1.0, -1}, {1.0, -1, "", ",1x.gif 1.x , 2x.gif 2x", "2x.gif", 2.0, -1}, {1.2, -1, "", ",1x.gif 1x, 1.4x.gif 1.4x, 2x.gif 2x", "1.4x.gif", 1.4, -1}, {1.0, -1, "", "inf.gif 0.00000000001x", "inf.gif", 1e-11, -1}, {1.0, -1, "", "data:,a ( , data:,b 1x, ), data:,c", "data:,c", 1.0, -1}, {1.0, 1, "", "data:,a 1w 1h", "data:,a", 1.0, 1}, {1.0, -1, "", ",1x.gif 1x future-descriptor(3x, 4h, whatever), 2x.gif 2x", "2x.gif", 2.0, -1}, {2.0, -1, "", ",1x.gif 1x future-descriptor(3x, 4h, whatever), 2x.gif 2x", "2x.gif", 2.0, -1}, {1.0, -1, "", "data:,a 1 w", "", 1.0, -1}, {1.0, -1, "", "data:,a 1 w", "", 1.0, -1}, {1.0, -1, "", "data:,a +1x", "", 1.0, -1}, {1.0, -1, "", "data:,a +1x", "", 1.0, -1}, {1.0, -1, "", "data:,a 1.0x", "data:,a", 1.0, -1}, {1.0, -1, "", "1%20and%202.gif 1x", "1%20and%202.gif", 1.0, -1}, {1.0, 700, "", "data:,a 0.5x, data:,b 1400w", "data:,b", 2.0, 1400}, {0, 0, 0, 0, 0, 0} // Do not remove the terminator line. }; for (unsigned i = 0; testCases[i].srcInput; ++i) { TestCase test = testCases[i]; ImageCandidate candidate = bestFitSourceForImageAttributes(test.deviceScaleFactor, test.effectiveSize, test.srcInput, test.srcsetInput); ASSERT_EQ(test.outputDensity, candidate.density()); ASSERT_EQ(test.outputResourceWidth, candidate.getResourceWidth()); ASSERT_STREQ(test.outputURL, candidate.toString().ascii().data()); } }