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>
118 lines
3.7 KiB
C++
118 lines
3.7 KiB
C++
/*
|
|
* Copyright 2017 Google Inc.
|
|
*
|
|
* Use of this source code is governed by a BSD-style license that can be
|
|
* found in the LICENSE file.
|
|
*/
|
|
|
|
#include "SkBlurImageFilter.h"
|
|
#include "SkSurface.h"
|
|
#include "ToolUtils.h"
|
|
#include "gm.h"
|
|
|
|
static sk_sp<SkImage> make_image(SkCanvas* canvas, int direction) {
|
|
SkImageInfo info = SkImageInfo::MakeN32Premul(250, 200);
|
|
auto surface = ToolUtils::makeSurface(canvas, info);
|
|
SkCanvas* c = surface->getCanvas();
|
|
SkPaint paint;
|
|
paint.setAntiAlias(true);
|
|
|
|
const SkColor colors[] = {
|
|
SK_ColorRED, SK_ColorBLUE, SK_ColorGREEN, SK_ColorYELLOW, SK_ColorBLACK
|
|
};
|
|
|
|
int width = 25;
|
|
bool xDirection = (direction & 0x1) == 1;
|
|
bool yDirection = (direction & 0x2) == 2;
|
|
if (xDirection) {
|
|
for (int x = 0; x < info.width(); x += width) {
|
|
paint.setColor(colors[x/width % 5]);
|
|
if (yDirection) {
|
|
paint.setAlphaf(0.5f);
|
|
}
|
|
c->drawRect(SkRect::MakeXYWH(x, 0, width, info.height()), paint);
|
|
}
|
|
}
|
|
|
|
if (yDirection) {
|
|
for (int y = 0; y < info.height(); y += width) {
|
|
paint.setColor(colors[y/width % 5]);
|
|
if (xDirection) {
|
|
paint.setAlphaf(0.5f);
|
|
}
|
|
c->drawRect(SkRect::MakeXYWH(0, y, info.width(), width), paint);
|
|
}
|
|
}
|
|
return surface->makeImageSnapshot();
|
|
}
|
|
|
|
static void draw_image(SkCanvas* canvas, const sk_sp<SkImage> image, sk_sp<SkImageFilter> filter) {
|
|
SkAutoCanvasRestore acr(canvas, true);
|
|
SkPaint paint;
|
|
paint.setImageFilter(std::move(filter));
|
|
|
|
canvas->translate(SkIntToScalar(30), 0);
|
|
canvas->clipRect(SkRect::MakeIWH(image->width(),image->height()));
|
|
canvas->drawImage(image, 0, 0, &paint);
|
|
}
|
|
|
|
namespace skiagm {
|
|
|
|
// This GM draws a colorful grids with different blur settings.
|
|
class ImageBlurRepeatModeGM : public GM {
|
|
public:
|
|
ImageBlurRepeatModeGM() {
|
|
this->setBGColor(0xFFCCCCCC);
|
|
}
|
|
|
|
protected:
|
|
|
|
SkString onShortName() override {
|
|
return SkString("imageblurrepeatmode");
|
|
}
|
|
|
|
SkISize onISize() override {
|
|
return SkISize::Make(850, 920);
|
|
}
|
|
|
|
bool runAsBench() const override { return true; }
|
|
|
|
void onDraw(SkCanvas* canvas) override {
|
|
sk_sp<SkImage> image[] =
|
|
{ make_image(canvas, 1), make_image(canvas, 2), make_image(canvas, 3) };
|
|
|
|
canvas->translate(0, 30);
|
|
// Test different kernel size, including the one to launch 2d Gaussian
|
|
// blur.
|
|
for (auto sigma: { 0.6f, 3.0f, 8.0f, 20.0f }) {
|
|
canvas->save();
|
|
sk_sp<SkImageFilter> filter(
|
|
SkBlurImageFilter::Make(sigma, 0.0f, nullptr, nullptr,
|
|
SkBlurImageFilter::kRepeat_TileMode));
|
|
draw_image(canvas, image[0], std::move(filter));
|
|
canvas->translate(image[0]->width() + 20, 0);
|
|
|
|
filter = SkBlurImageFilter::Make(0.0f, sigma, nullptr, nullptr,
|
|
SkBlurImageFilter::kRepeat_TileMode);
|
|
draw_image(canvas, image[1], std::move(filter));
|
|
canvas->translate(image[1]->width() + 20, 0);
|
|
|
|
filter = SkBlurImageFilter::Make(sigma, sigma, nullptr, nullptr,
|
|
SkBlurImageFilter::kRepeat_TileMode);
|
|
draw_image(canvas, image[2], std::move(filter));
|
|
canvas->translate(image[2]->width() + 20, 0);
|
|
|
|
canvas->restore();
|
|
canvas->translate(0, image[0]->height() + 20);
|
|
}
|
|
}
|
|
|
|
private:
|
|
typedef GM INHERITED;
|
|
};
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
|
|
DEF_GM(return new ImageBlurRepeatModeGM;)
|
|
}
|