37bd7c3aca
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1812023002 Review URL: https://codereview.chromium.org/1812023002
121 lines
4.4 KiB
C++
121 lines
4.4 KiB
C++
/*
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* Copyright 2013 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 "sk_tool_utils.h"
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#include "SkColorFilterImageFilter.h"
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#include "SkColorMatrixFilter.h"
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#include "SkImage.h"
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#include "SkImageSource.h"
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#include "SkTileImageFilter.h"
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#include "gm.h"
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#define WIDTH 400
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#define HEIGHT 100
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#define MARGIN 12
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namespace skiagm {
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class TileImageFilterGM : public GM {
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public:
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TileImageFilterGM() {
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this->setBGColor(0xFF000000);
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}
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protected:
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SkString onShortName() override {
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return SkString("tileimagefilter");
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}
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SkISize onISize() override{
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return SkISize::Make(WIDTH, HEIGHT);
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}
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void onOnceBeforeDraw() override {
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fBitmap = SkImage::MakeFromBitmap(
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sk_tool_utils::create_string_bitmap(50, 50, 0xD000D000, 10, 45, 50, "e"));
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fCheckerboard = SkImage::MakeFromBitmap(
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sk_tool_utils::create_checkerboard_bitmap(80, 80,
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sk_tool_utils::color_to_565(0xFFA0A0A0),
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sk_tool_utils::color_to_565(0xFF404040),
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8));
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}
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void onDraw(SkCanvas* canvas) override {
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canvas->clear(SK_ColorBLACK);
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SkPaint red;
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red.setColor(SK_ColorRED);
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red.setStyle(SkPaint::kStroke_Style);
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SkPaint blue;
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blue.setColor(SK_ColorBLUE);
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blue.setStyle(SkPaint::kStroke_Style);
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int x = 0, y = 0;
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for (size_t i = 0; i < 4; i++) {
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SkImage* image = (i & 0x01) ? fCheckerboard.get() : fBitmap.get();
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SkRect srcRect = SkRect::MakeXYWH(SkIntToScalar(image->width()/4),
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SkIntToScalar(image->height()/4),
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SkIntToScalar(image->width()/(i+1)),
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SkIntToScalar(image->height()/(i+1)));
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SkRect dstRect = SkRect::MakeXYWH(SkIntToScalar(i * 8),
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SkIntToScalar(i * 4),
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SkIntToScalar(image->width() - i * 12),
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SkIntToScalar(image->height()) - i * 12);
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SkAutoTUnref<SkImageFilter> tileInput(SkImageSource::Create(image));
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SkAutoTUnref<SkImageFilter> filter(
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SkTileImageFilter::Create(srcRect, dstRect, tileInput));
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canvas->save();
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canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
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SkPaint paint;
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paint.setImageFilter(filter);
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canvas->drawImage(fBitmap.get(), 0, 0, &paint);
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canvas->drawRect(srcRect, red);
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canvas->drawRect(dstRect, blue);
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canvas->restore();
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x += image->width() + MARGIN;
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if (x + image->width() > WIDTH) {
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x = 0;
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y += image->height() + MARGIN;
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}
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}
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SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0,
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0, SK_Scalar1, 0, 0, 0,
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0, 0, SK_Scalar1, 0, 0,
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0, 0, 0, SK_Scalar1, 0 };
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SkRect srcRect = SkRect::MakeWH(SkIntToScalar(fBitmap->width()),
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SkIntToScalar(fBitmap->height()));
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SkRect dstRect = SkRect::MakeWH(SkIntToScalar(fBitmap->width() * 2),
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SkIntToScalar(fBitmap->height() * 2));
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SkAutoTUnref<SkImageFilter> tile(SkTileImageFilter::Create(srcRect, dstRect, nullptr));
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SkAutoTUnref<SkColorFilter> cf(SkColorMatrixFilter::Create(matrix));
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SkAutoTUnref<SkImageFilter> cfif(SkColorFilterImageFilter::Create(cf, tile.get()));
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SkPaint paint;
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paint.setImageFilter(cfif);
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canvas->save();
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canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
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canvas->clipRect(dstRect);
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canvas->saveLayer(&dstRect, &paint);
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canvas->drawImage(fBitmap.get(), 0, 0);
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canvas->restore();
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canvas->drawRect(srcRect, red);
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canvas->drawRect(dstRect, blue);
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canvas->restore();
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}
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private:
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sk_sp<SkImage> fBitmap, fCheckerboard;
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typedef GM INHERITED;
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};
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//////////////////////////////////////////////////////////////////////////////
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DEF_GM(return new TileImageFilterGM;)
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}
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