From 9e2ed83f9b29d91058ba411a4137d099877a48b2 Mon Sep 17 00:00:00 2001 From: reed Date: Mon, 31 Oct 2016 05:27:28 -0700 Subject: add isAlphaOnly() query BUG=skia:5904 GOLD_TRYBOT_URL= https://gold.skia.org/search?issue=2461773002 TBR= Review-Url: https://codereview.chromium.org/2461773002 --- tests/ImageIsOpaqueTest.cpp | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) (limited to 'tests/ImageIsOpaqueTest.cpp') diff --git a/tests/ImageIsOpaqueTest.cpp b/tests/ImageIsOpaqueTest.cpp index ab995c8140..cc7255d37a 100644 --- a/tests/ImageIsOpaqueTest.cpp +++ b/tests/ImageIsOpaqueTest.cpp @@ -102,3 +102,34 @@ DEF_GPUTEST_FOR_RENDERING_CONTEXTS(ImageIsOpaqueTest_Gpu, reporter, ctxInfo) { } #endif + +/////////////////////////////////////////////////////////////////////////////////////////////////// +#include "SkPictureRecorder.h" + +static sk_sp make_picture() { + SkPictureRecorder recorder; + SkCanvas* canvas = recorder.beginRecording({ 0, 0, 10, 10 }); + canvas->drawColor(SK_ColorRED); + return recorder.finishRecordingAsPicture(); +} + +DEF_TEST(Image_isAlphaOnly, reporter) { + SkPMColor pmColors = 0; + SkPixmap pmap = { + SkImageInfo::MakeN32Premul(1, 1), + &pmColors, + sizeof(pmColors) + }; + for (auto& image : { + SkImage::MakeRasterCopy(pmap), + GetResourceAsImage("mandrill_128.png"), + GetResourceAsImage("color_wheel.jpg"), + SkImage::MakeFromPicture(make_picture(), { 10, 10 }, nullptr, nullptr), + }) + { + REPORTER_ASSERT(reporter, image->isAlphaOnly() == false); + } + + REPORTER_ASSERT(reporter, SkImage::MakeRasterCopy({ + SkImageInfo::MakeA8(1, 1), (uint8_t*)&pmColors, 1})->isAlphaOnly() == true); +} -- cgit v1.2.3