1// Copyright 2019 Google LLC.
2// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
3#include "tools/fiddle/examples.h"
4// HASH=eeec9e07e604b44d0208899a2fe5bef5
5REG_FIDDLE(Image_makeTextureImage, 256, 256, false, 5) {
6void draw(SkCanvas* canvas) {
7    auto dContext = GrAsDirectContext(canvas->recordingContext());
8    if (!dContext) {
9        return;
10    }
11
12    auto drawImage = [=](sk_sp<SkImage> image,
13                         GrDirectContext* dContext,
14                         const char* label) -> void {
15        if (nullptr == image || nullptr == dContext) {
16            return;
17        }
18
19        SkFont font(nullptr, 12);
20
21        SkPaint paint;
22        paint.setAntiAlias(true);
23
24        sk_sp<SkImage> texture(image->makeTextureImage(dContext));
25        canvas->drawImage(texture, 0, 0);
26        canvas->drawString(label, 20, texture->height() / 4, font, paint);
27    };
28    sk_sp<SkImage> bitmapImage(source.asImage());
29
30
31    sk_sp<SkImage> textureImage(SkImage::MakeFromTexture(dContext, backEndTexture,
32                                                         kTopLeft_GrSurfaceOrigin,
33                                                         kRGBA_8888_SkColorType,
34                                                         kOpaque_SkAlphaType, nullptr));
35    drawImage(image, dContext, "image");
36    canvas->translate(image->width(), 0);
37    drawImage(bitmapImage, dContext, "source");
38    canvas->translate(-image->width(), image->height());
39    drawImage(textureImage, dContext, "backEndTexture");
40}
41}  // END FIDDLE
42