skia2/tests/BitmapGetColorTest.cpp

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#include "Test.h"
#include "SkBitmap.h"
static void TestGetColor(skiatest::Reporter* reporter) {
static const struct Rec {
SkBitmap::Config fConfig;
SkColor fInColor;
SkColor fOutColor;
} gRec[] = {
// todo: add some tests that involve alpha, so we exercise the
// unpremultiply aspect of getColor()
{ SkBitmap::kA8_Config, 0xFF000000, 0xFF000000 },
{ SkBitmap::kA8_Config, 0, 0 },
{ SkBitmap::kARGB_4444_Config, 0xFF224466, 0xFF224466 },
{ SkBitmap::kARGB_4444_Config, 0, 0 },
{ SkBitmap::kRGB_565_Config, 0xFF00FF00, 0xFF00FF00 },
{ SkBitmap::kRGB_565_Config, 0xFFFF00FF, 0xFFFF00FF },
{ SkBitmap::kARGB_8888_Config, 0xFFFFFFFF, 0xFFFFFFFF },
{ SkBitmap::kARGB_8888_Config, 0, 0 },
{ SkBitmap::kARGB_8888_Config, 0xFF224466, 0xFF224466 },
};
for (size_t i = 0; i < SK_ARRAY_COUNT(gRec); i++) {
SkBitmap bm;
uint32_t storage[1];
bm.setConfig(gRec[i].fConfig, 1, 1);
bm.setPixels(storage);
bm.eraseColor(gRec[i].fInColor);
SkColor c = bm.getColor(0, 0);
REPORTER_ASSERT(reporter, c == gRec[i].fOutColor);
}
}
#include "TestClassDef.h"
DEFINE_TESTCLASS("GetColor", TestGetColorClass, TestGetColor)