diff options
author | Ben Wagner <bungeman@google.com> | 2017-02-16 16:56:26 -0500 |
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committer | Skia Commit-Bot <skia-commit-bot@chromium.org> | 2017-02-17 18:05:47 +0000 |
commit | 87e7f820f74a990a59fb8f1d5c182584ce586ecf (patch) | |
tree | f278c33e19d91bcd4089c0723ad3cc7d29876bea /tests/TypefaceTest.cpp | |
parent | 86125483f93fb9be7c90e1cea03054a1e0e80449 (diff) |
Add SkTypeface::getVariationDesignPosition.
Allow users to query a typeface's position in variation design space.
Change-Id: I5d80c8ff658708a5d1aa386ec5b7396dcb621198
Reviewed-on: https://skia-review.googlesource.com/7130
Commit-Queue: Ben Wagner <bungeman@google.com>
Reviewed-by: Mike Reed <reed@google.com>
Diffstat (limited to 'tests/TypefaceTest.cpp')
-rw-r--r-- | tests/TypefaceTest.cpp | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/tests/TypefaceTest.cpp b/tests/TypefaceTest.cpp index 2a3b32d2cf..51e2cdd6a7 100644 --- a/tests/TypefaceTest.cpp +++ b/tests/TypefaceTest.cpp @@ -6,6 +6,9 @@ */ #include "SkData.h" +#include "SkFixed.h" +#include "SkFontMgr.h" +#include "SkMakeUnique.h" #include "SkOTTable_OS_2.h" #include "SkSFNTHeader.h" #include "SkStream.h" @@ -87,6 +90,76 @@ DEF_TEST(TypefaceStyle, reporter) { } } +DEF_TEST(TypefaceAxes, reporter) { + std::unique_ptr<SkStreamAsset> distortable(GetResourceAsStream("/fonts/Distortable.ttf")); + if (!distortable) { + REPORT_FAILURE(reporter, "distortable", SkString()); + return; + } + + sk_sp<SkFontMgr> fm = SkFontMgr::RefDefault(); + const SkFontArguments::VariationPosition::Coordinate position[] = { + { SkSetFourByteTag('w','g','h','t'), SK_ScalarSqrt2 } + }; + SkFontArguments params; + params.setVariationDesignPosition({position, SK_ARRAY_COUNT(position)}); + // TODO: if axes are set and the back-end doesn't support them, should we create the typeface? + sk_sp<SkTypeface> typeface(fm->createFromStream(distortable.release(), params)); + + int count = typeface->getVariationDesignPosition(nullptr, 0); + if (count == -1) { + return; + } + REPORTER_ASSERT(reporter, count == SK_ARRAY_COUNT(position)); + + SkFontArguments::VariationPosition::Coordinate positionRead[SK_ARRAY_COUNT(position)]; + count = typeface->getVariationDesignPosition(positionRead, SK_ARRAY_COUNT(positionRead)); + REPORTER_ASSERT(reporter, count == SK_ARRAY_COUNT(position)); + + REPORTER_ASSERT(reporter, positionRead[0].axis == position[0].axis); + + // Convert to fixed for "almost equal". + SkFixed fixedRead = SkScalarToFixed(positionRead[0].value); + SkFixed fixedOriginal = SkScalarToFixed(position[0].value); + REPORTER_ASSERT(reporter, fixedRead == fixedOriginal); +} + +DEF_TEST(TypefaceVariationIndex, reporter) { + std::unique_ptr<SkStreamAsset> distortable(GetResourceAsStream("/fonts/Distortable.ttf")); + if (!distortable) { + REPORT_FAILURE(reporter, "distortable", SkString()); + return; + } + + sk_sp<SkFontMgr> fm = SkFontMgr::RefDefault(); + SkFontArguments params; + params.setCollectionIndex(0x00010000); + sk_sp<SkTypeface> typeface(fm->createFromStream(distortable.release(), params)); + if (!typeface) { + // FreeType is the only weird thing that supports this, Skia just needs to make sure if it + // gets one of these things make sense. + return; + } + + int count = typeface->getVariationDesignPosition(nullptr, 0); + if (!(count == 1)) { + REPORT_FAILURE(reporter, "count == 1", SkString()); + return; + } + + SkFontArguments::VariationPosition::Coordinate positionRead[1]; + count = typeface->getVariationDesignPosition(positionRead, SK_ARRAY_COUNT(positionRead)); + if (count == -1) { + return; + } + if (!(count == 1)) { + REPORT_FAILURE(reporter, "count == 1", SkString()); + return; + } + REPORTER_ASSERT(reporter, positionRead[0].axis == SkSetFourByteTag('w','g','h','t')); + REPORTER_ASSERT(reporter, positionRead[0].value == 1); +} + DEF_TEST(Typeface, reporter) { sk_sp<SkTypeface> t1(SkTypeface::MakeFromName(nullptr, SkFontStyle())); @@ -134,6 +207,11 @@ protected: SK_ABORT("unimplemented"); return nullptr; } + int onGetVariationDesignPosition(SkFontArguments::VariationPosition::Coordinate coordinates[], + int coordinateCount) const override + { + return 0; + } int onGetTableTags(SkFontTableTag tags[]) const override { return 0; } size_t onGetTableData(SkFontTableTag, size_t, size_t, void*) const override { return 0; } }; |