ImageIsOpaqueTest.cpp File Reference

#include "include/core/SkAlphaType.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkColorSpace.h"
#include "include/core/SkImage.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkPicture.h"
#include "include/core/SkPixmap.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSurface.h"
#include "include/core/SkTypes.h"
#include "include/gpu/GpuTypes.h"
#include "include/gpu/GrDirectContext.h"
#include "include/gpu/ganesh/SkSurfaceGanesh.h"
#include "tests/CtsEnforcement.h"
#include "tests/Test.h"
#include "tools/DecodeUtils.h"
#include "tools/Resources.h"
#include <cstdint>
#include <initializer_list>
#include "include/core/SkPictureRecorder.h"

Go to the source code of this file.

Functions
static void	check_isopaque (skiatest::Reporter *reporter, const sk_sp< SkSurface > &surface, bool expectedOpaque)
	DEF_TEST (ImageIsOpaqueTest, reporter)
	DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS (ImageIsOpaqueTest_Gpu, reporter, ctxInfo, CtsEnforcement::kApiLevel_T)
static sk_sp< SkPicture >	make_picture ()
	DEF_TEST (Image_isAlphaOnly, reporter)

Function Documentation

check_isopaque()

static void check_isopaque ( skiatest::Reporter *  reporter, const sk_sp< SkSurface > &  surface, bool  expectedOpaque  )

static

Definition at line 32 of file ImageIsOpaqueTest.cpp.

                                                {
    sk_sp<SkImage> image(surface->makeImageSnapshot());
    REPORTER_ASSERT(reporter, image->isOpaque() == expectedOpaque);
}

DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS()

DEF_GANESH_TEST_FOR_RENDERING_CONTEXTS	(	ImageIsOpaqueTest_Gpu	,
		reporter	,
		ctxInfo	,
		CtsEnforcement::kApiLevel_T
	)

Definition at line 48 of file ImageIsOpaqueTest.cpp.

                                                                  {
    auto context = ctxInfo.directContext();
    SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
    auto surfaceTransparent(
            SkSurfaces::RenderTarget(context, skgpu::Budgeted::kNo, infoTransparent));
    check_isopaque(reporter, surfaceTransparent, false);
 
    SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
    auto surfaceOpaque(SkSurfaces::RenderTarget(context, skgpu::Budgeted::kNo, infoOpaque));
 
    check_isopaque(reporter, surfaceOpaque, true);
}

DEF_TEST() [1/2]

DEF_TEST	(	Image_isAlphaOnly	,
		reporter
	)

Definition at line 74 of file ImageIsOpaqueTest.cpp.

                                      {
    SkPMColor pmColors = 0;
    SkPixmap pmap = {
        SkImageInfo::MakeN32Premul(1, 1),
        &pmColors,
        sizeof(pmColors)
    };
    for (auto& image : {
                 SkImages::RasterFromPixmapCopy(pmap),
                 ToolUtils::GetResourceAsImage("images/mandrill_128.png"),
                 ToolUtils::GetResourceAsImage("images/color_wheel.jpg"),
                 SkImages::DeferredFromPicture(make_picture(),
                                               {10, 10},
                                               nullptr,
                                               nullptr,
                                               SkImages::BitDepth::kU8,
                                               SkColorSpace::MakeSRGB()),
         }) {
        REPORTER_ASSERT(reporter, image->isAlphaOnly() == false);
    }
 
    REPORTER_ASSERT(
            reporter,
            SkImages::RasterFromPixmapCopy({SkImageInfo::MakeA8(1, 1), (uint8_t*)&pmColors, 1})
                            ->isAlphaOnly() == true);
}

DEF_TEST() [2/2]

DEF_TEST	(	ImageIsOpaqueTest	,
		reporter
	)

Definition at line 38 of file ImageIsOpaqueTest.cpp.

                                      {
    SkImageInfo infoTransparent = SkImageInfo::MakeN32Premul(5, 5);
    auto surfaceTransparent(SkSurfaces::Raster(infoTransparent));
    check_isopaque(reporter, surfaceTransparent, false);
 
    SkImageInfo infoOpaque = SkImageInfo::MakeN32(5, 5, kOpaque_SkAlphaType);
    auto surfaceOpaque(SkSurfaces::Raster(infoOpaque));
    check_isopaque(reporter, surfaceOpaque, true);
}

make_picture()

static sk_sp< SkPicture > make_picture ( )

static

Definition at line 67 of file ImageIsOpaqueTest.cpp.

                                       {
    SkPictureRecorder recorder;
    SkCanvas* canvas = recorder.beginRecording({ 0, 0, 10, 10 });
    canvas->drawColor(SK_ColorRED);
    return recorder.finishRecordingAsPicture();
}