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/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "Test.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "SkImage.h"
#include "SkPerlinNoiseShader.h"
#include "SkRRect.h"
#include "SkShader.h"
#include "SkSurface.h"
#include "SkData.h"
static void check_isabitmap(skiatest::Reporter* reporter, SkShader* shader,
int expectedW, int expectedH,
SkShader::TileMode expectedX, SkShader::TileMode expectedY,
const SkMatrix& expectedM) {
SkShader::TileMode tileModes[2];
SkMatrix localM;
#ifdef SK_SUPPORT_LEGACY_SHADER_ISABITMAP
SkBitmap bm;
REPORTER_ASSERT(reporter, shader->isABitmap(&bm, &localM, tileModes));
REPORTER_ASSERT(reporter, bm.width() == expectedW);
REPORTER_ASSERT(reporter, bm.height() == expectedH);
REPORTER_ASSERT(reporter, localM == expectedM);
REPORTER_ASSERT(reporter, tileModes[0] == expectedX);
REPORTER_ASSERT(reporter, tileModes[1] == expectedY);
#endif
// wack these so we don't get a false positive
localM.setScale(9999, -9999);
tileModes[0] = tileModes[1] = (SkShader::TileMode)99;
SkImage* image = shader->isAImage(&localM, tileModes);
REPORTER_ASSERT(reporter, image);
REPORTER_ASSERT(reporter, image->width() == expectedW);
REPORTER_ASSERT(reporter, image->height() == expectedH);
REPORTER_ASSERT(reporter, localM == expectedM);
REPORTER_ASSERT(reporter, tileModes[0] == expectedX);
REPORTER_ASSERT(reporter, tileModes[1] == expectedY);
}
DEF_TEST(Shader_isABitmap, reporter) {
const int W = 100;
const int H = 100;
SkBitmap bm;
bm.allocN32Pixels(W, H);
auto img = SkImage::MakeFromBitmap(bm);
const SkMatrix localM = SkMatrix::MakeScale(2, 3);
const SkShader::TileMode tmx = SkShader::kRepeat_TileMode;
const SkShader::TileMode tmy = SkShader::kMirror_TileMode;
auto shader0 = SkShader::MakeBitmapShader(bm, tmx, tmy, &localM);
auto shader1 = SkImage::MakeFromBitmap(bm)->makeShader(tmx, tmy, &localM);
check_isabitmap(reporter, shader0.get(), W, H, tmx, tmy, localM);
check_isabitmap(reporter, shader1.get(), W, H, tmx, tmy, localM);
}
// Make sure things are ok with just a single leg.
DEF_TEST(ComposeShaderSingle, reporter) {
SkBitmap srcBitmap;
srcBitmap.allocN32Pixels(10, 10);
srcBitmap.eraseColor(SK_ColorRED);
SkCanvas canvas(srcBitmap);
SkPaint p;
p.setShader(
SkShader::MakeComposeShader(
SkShader::MakeEmptyShader(),
SkPerlinNoiseShader::MakeFractalNoise(1.0f, 1.0f, 2, 0.0f),
SkBlendMode::kClear));
SkRRect rr;
SkVector rd[] = {{0, 0}, {0, 0}, {0, 0}, {0, 0}};
rr.setRectRadii({0, 0, 0, 0}, rd);
canvas.drawRRect(rr, p);
}
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