1 /*
2 * Copyright 2015 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8 // This is an example of the translation unit that needs to be
9 // assembled by the fiddler program to compile into a fiddle: an
10 // implementation of the GetDrawOptions() and draw() functions.
11
12 #include "tools/fiddle/fiddle_main.h"
13 #include "tools/gpu/ManagedBackendTexture.h"
14
GetDrawOptions()15 DrawOptions GetDrawOptions() {
16 // path *should* be absolute.
17 static const char path[] = "resources/images/color_wheel.png";
18 return DrawOptions(256, 256, true, true, true, true, true, false, false, path,
19 GrMipmapped::kYes, 64, 64, 0, GrMipmapped::kYes);
20 }
draw(SkCanvas * canvas)21 void draw(SkCanvas* canvas) {
22 canvas->clear(SK_ColorWHITE);
23 SkMatrix matrix;
24 matrix.setScale(0.75f, 0.75f);
25 matrix.preRotate(frame * 30.0f * duration); // If an animation, rotate at 30 deg/s.
26 SkPaint paint;
27 paint.setShader(image->makeShader(SkTileMode::kRepeat, SkTileMode::kRepeat,
28 SkSamplingOptions(), matrix));
29 canvas->drawPaint(paint);
30 SkDebugf("This is text output: %d", 2);
31
32 if (auto dContext = GrAsDirectContext(canvas->recordingContext())) {
33 sk_sp<SkImage> tmp = SkImage::MakeFromTexture(dContext,
34 backEndTexture,
35 kTopLeft_GrSurfaceOrigin,
36 kRGBA_8888_SkColorType,
37 kOpaque_SkAlphaType,
38 nullptr);
39
40 constexpr int kSampleCnt = 0;
41 sk_sp<SkSurface> tmp2 = SkSurface::MakeFromBackendTexture(
42 dContext,
43 backEndTextureRenderTarget,
44 kTopLeft_GrSurfaceOrigin,
45 kSampleCnt,
46 kRGBA_8888_SkColorType,
47 nullptr, nullptr);
48
49 // Note: this surface should only be renderable (i.e., not textureable)
50 sk_sp<SkSurface> tmp3 = SkSurface::MakeFromBackendRenderTarget(dContext,
51 backEndRenderTarget,
52 kTopLeft_GrSurfaceOrigin,
53 kRGBA_8888_SkColorType,
54 nullptr, nullptr);
55 }
56 }
57
