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 "fiddle_main.h"
GetDrawOptions()13 DrawOptions GetDrawOptions() {
14 // path *should* be absolute.
15 static const char path[] = "resources/images/color_wheel.png";
16 return DrawOptions(256, 256, true, true, true, true, true, false, false, path,
17 GrMipMapped::kYes, 64, 64, 0, GrMipMapped::kYes);
18 }
draw(SkCanvas * canvas)19 void draw(SkCanvas* canvas) {
20 canvas->clear(SK_ColorWHITE);
21 SkMatrix matrix;
22 matrix.setScale(0.75f, 0.75f);
23 matrix.preRotate(frame * 30.0f * duration); // If an animation, rotate at 30 deg/s.
24 SkPaint paint;
25 paint.setShader(image->makeShader(SkShader::kRepeat_TileMode,
26 SkShader::kRepeat_TileMode,
27 &matrix));
28 canvas->drawPaint(paint);
29 SkDebugf("This is text output: %d", 2);
30
31 GrContext* context = canvas->getGrContext();
32 if (context) {
33 sk_sp<SkImage> tmp = SkImage::MakeFromTexture(context,
34 backEndTexture,
35 kTopLeft_GrSurfaceOrigin,
36 kRGBA_8888_SkColorType,
37 kOpaque_SkAlphaType,
38 nullptr);
39
40 // TODO: this sampleCnt parameter here should match that set in the options!
41 sk_sp<SkSurface> tmp2 = SkSurface::MakeFromBackendTexture(context,
42 backEndTextureRenderTarget,
43 kTopLeft_GrSurfaceOrigin,
44 0, kRGBA_8888_SkColorType,
45 nullptr, nullptr);
46
47 // Note: this surface should only be renderable (i.e., not textureable)
48 sk_sp<SkSurface> tmp3 = SkSurface::MakeFromBackendRenderTarget(context,
49 backEndRenderTarget,
50 kTopLeft_GrSurfaceOrigin,
51 kRGBA_8888_SkColorType,
52 nullptr, nullptr);
53 }
54 }
55