ImageBitmapTest.cpp File Reference

#include "include/core/SkBitmap.h"
#include "include/core/SkColor.h"
#include "include/core/SkImage.h"
#include "include/core/SkRect.h"
#include "include/core/SkRefCnt.h"
#include "tests/Test.h"

Go to the source code of this file.

Functions
	DEF_TEST (ImageBitmapIdentity, r)

Function Documentation

DEF_TEST()

DEF_TEST	(	ImageBitmapIdentity	,
		r
	)

Definition at line 19 of file ImageBitmapTest.cpp.

                                 {
    SkBitmap bm, a, b;
    bm.allocN32Pixels(32, 64);
    bm.eraseColor(SK_ColorBLACK);
    bm.setImmutable();
    (void)bm.extractSubset(&a, SkIRect::MakeXYWH(0, 0, 32, 32));
    (void)bm.extractSubset(&b, SkIRect::MakeXYWH(0, 32, 32, 32));
    REPORTER_ASSERT(r, a.getGenerationID() == b.getGenerationID());
    auto img = bm.asImage();
    auto imgA = a.asImage();
    auto imgB = b.asImage();
    REPORTER_ASSERT(r, img->uniqueID() == bm.getGenerationID());
    REPORTER_ASSERT(r, img->uniqueID() != imgA->uniqueID());
    REPORTER_ASSERT(r, img->uniqueID() != imgB->uniqueID());
    REPORTER_ASSERT(r, imgA->uniqueID() != imgB->uniqueID());
    REPORTER_ASSERT(r, imgA->uniqueID() != a.getGenerationID());
    REPORTER_ASSERT(r, imgB->uniqueID() != b.getGenerationID());
}