ea3f014e2b
sk_tool_utils doesn't really fit the naming convention the rest of code under tools/ tends to use. Change-Id: I45326a174101c6eb4b6149e9c742f658f2fd23b1 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/202313 Auto-Submit: Mike Klein <mtklein@google.com> Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Brian Osman <brianosman@google.com>
133 lines
5.0 KiB
C++
133 lines
5.0 KiB
C++
/*
|
|
* Copyright 2013 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "SkColorFilterImageFilter.h"
|
|
#include "SkColorMatrixFilter.h"
|
|
#include "SkImage.h"
|
|
#include "SkImageSource.h"
|
|
#include "SkTileImageFilter.h"
|
|
#include "ToolUtils.h"
|
|
#include "gm.h"
|
|
|
|
#define WIDTH 400
|
|
#define HEIGHT 200
|
|
#define MARGIN 12
|
|
|
|
namespace skiagm {
|
|
|
|
class TileImageFilterGM : public GM {
|
|
public:
|
|
TileImageFilterGM() {
|
|
this->setBGColor(0xFF000000);
|
|
}
|
|
|
|
protected:
|
|
SkString onShortName() override {
|
|
return SkString("tileimagefilter");
|
|
}
|
|
|
|
SkISize onISize() override{
|
|
return SkISize::Make(WIDTH, HEIGHT);
|
|
}
|
|
|
|
void onOnceBeforeDraw() override {
|
|
fBitmap = SkImage::MakeFromBitmap(
|
|
ToolUtils::create_string_bitmap(50, 50, 0xD000D000, 10, 45, 50, "e"));
|
|
|
|
fCheckerboard = SkImage::MakeFromBitmap(
|
|
ToolUtils::create_checkerboard_bitmap(80, 80, 0xFFA0A0A0, 0xFF404040, 8));
|
|
}
|
|
|
|
void onDraw(SkCanvas* canvas) override {
|
|
canvas->clear(SK_ColorBLACK);
|
|
SkPaint red;
|
|
red.setColor(SK_ColorRED);
|
|
red.setStyle(SkPaint::kStroke_Style);
|
|
SkPaint blue;
|
|
blue.setColor(SK_ColorBLUE);
|
|
blue.setStyle(SkPaint::kStroke_Style);
|
|
|
|
int x = 0, y = 0;
|
|
for (size_t i = 0; i < 4; i++) {
|
|
sk_sp<SkImage> image = (i & 0x01) ? fCheckerboard : fBitmap;
|
|
SkRect srcRect = SkRect::MakeXYWH(SkIntToScalar(image->width()/4),
|
|
SkIntToScalar(image->height()/4),
|
|
SkIntToScalar(image->width()/(i+1)),
|
|
SkIntToScalar(image->height()/(i+1)));
|
|
SkRect dstRect = SkRect::MakeXYWH(SkIntToScalar(i * 8),
|
|
SkIntToScalar(i * 4),
|
|
SkIntToScalar(image->width() - i * 12),
|
|
SkIntToScalar(image->height()) - i * 12);
|
|
sk_sp<SkImageFilter> tileInput(SkImageSource::Make(image));
|
|
sk_sp<SkImageFilter> filter(SkTileImageFilter::Make(srcRect,
|
|
dstRect,
|
|
std::move(tileInput)));
|
|
canvas->save();
|
|
canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
|
|
SkPaint paint;
|
|
paint.setImageFilter(std::move(filter));
|
|
canvas->drawImage(fBitmap.get(), 0, 0, &paint);
|
|
canvas->drawRect(srcRect, red);
|
|
canvas->drawRect(dstRect, blue);
|
|
canvas->restore();
|
|
x += image->width() + MARGIN;
|
|
if (x + image->width() > WIDTH) {
|
|
x = 0;
|
|
y += image->height() + MARGIN;
|
|
}
|
|
}
|
|
|
|
SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0,
|
|
0, SK_Scalar1, 0, 0, 0,
|
|
0, 0, SK_Scalar1, 0, 0,
|
|
0, 0, 0, SK_Scalar1, 0 };
|
|
|
|
SkRect srcRect = SkRect::MakeWH(SkIntToScalar(fBitmap->width()),
|
|
SkIntToScalar(fBitmap->height()));
|
|
SkRect dstRect = SkRect::MakeWH(SkIntToScalar(fBitmap->width() * 2),
|
|
SkIntToScalar(fBitmap->height() * 2));
|
|
sk_sp<SkImageFilter> tile(SkTileImageFilter::Make(srcRect, dstRect, nullptr));
|
|
sk_sp<SkColorFilter> cf(SkColorFilter::MakeMatrixFilterRowMajor255(matrix));
|
|
|
|
SkPaint paint;
|
|
paint.setImageFilter(SkColorFilterImageFilter::Make(std::move(cf), std::move(tile)));
|
|
canvas->save();
|
|
canvas->translate(SkIntToScalar(x), SkIntToScalar(y));
|
|
canvas->clipRect(dstRect);
|
|
canvas->saveLayer(&dstRect, &paint);
|
|
canvas->drawImage(fBitmap.get(), 0, 0);
|
|
canvas->restore();
|
|
canvas->drawRect(srcRect, red);
|
|
canvas->drawRect(dstRect, blue);
|
|
canvas->restore();
|
|
|
|
canvas->translate(0, SkIntToScalar(100));
|
|
|
|
srcRect = SkRect::MakeXYWH(0, 0, 50, 50);
|
|
dstRect = SkRect::MakeXYWH(0, 0, 100, 100);
|
|
SkImageFilter::CropRect cropRect(SkRect::MakeXYWH(5, 5, 40, 40));
|
|
sk_sp<SkColorFilter> greenCF = SkColorFilter::MakeModeFilter(SK_ColorGREEN,
|
|
SkBlendMode::kSrc);
|
|
sk_sp<SkImageFilter> green(SkColorFilterImageFilter::Make(std::move(greenCF),
|
|
nullptr,
|
|
&cropRect));
|
|
tile = SkTileImageFilter::Make(srcRect, dstRect, std::move(green));
|
|
paint.setColor(SK_ColorRED);
|
|
paint.setImageFilter(std::move(tile));
|
|
canvas->drawRect(dstRect, paint);
|
|
}
|
|
private:
|
|
sk_sp<SkImage> fBitmap, fCheckerboard;
|
|
|
|
typedef GM INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
DEF_GM(return new TileImageFilterGM;)
|
|
}
|