/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "sk_tool_utils.h"
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#include "SkBlurImageFilter.h"
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#include "SkRandom.h"
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// TODO deprecate imageblur
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constexpr int kWidth = 500;
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constexpr int kHeight = 500;
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DEF_SIMPLE_GM(imageblur2, canvas, kWidth, kHeight) {
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constexpr float kBlurSigmas[] = { 0.0, 0.3f, 0.5f, 2.0f, 32.0f, 80.0f };
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const char* kTestStrings[] = {
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"The quick`~",
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"brown fox[]",
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"jumped over",
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"the lazy@#$",
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"dog.{}!%^&",
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"*()+=-\\'\"/",
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};
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constexpr int sigmaCount = SK_ARRAY_COUNT(kBlurSigmas);
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constexpr int testStringCount = SK_ARRAY_COUNT(kTestStrings);
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constexpr SkScalar dx = kWidth / sigmaCount;
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constexpr SkScalar dy = kHeight / sigmaCount;
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constexpr SkScalar textSize = 12;
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SkFont font(sk_tool_utils::create_portable_typeface(), textSize);
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font.setEdging(SkFont::Edging::kAlias);
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for (int x = 0; x < sigmaCount; x++) {
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SkScalar sigmaX = kBlurSigmas[x];
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for (int y = 0; y < sigmaCount; y++) {
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SkScalar sigmaY = kBlurSigmas[y];
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SkPaint paint;
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paint.setImageFilter(SkBlurImageFilter::Make(sigmaX, sigmaY, nullptr));
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canvas->saveLayer(nullptr, &paint);
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SkRandom rand;
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SkPaint textPaint;
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textPaint.setColor(sk_tool_utils::color_to_565(rand.nextBits(24) | 0xFF000000));
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for (int i = 0; i < testStringCount; i++) {
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canvas->drawString(kTestStrings[i],
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SkIntToScalar(x * dx),
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SkIntToScalar(y * dy + textSize * i + textSize),
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font,
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textPaint);
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}
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canvas->restore();
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}
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}
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}
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