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 REG_FIDDLE(Canvas_drawImageNine, 256, 128, false, 0) {
draw(SkCanvas * canvas)5 void draw(SkCanvas* canvas) {
6 SkIRect center = { 20, 10, 50, 40 };
7 SkBitmap bitmap;
8 bitmap.allocPixels(SkImageInfo::MakeN32Premul(60, 60));
9 SkCanvas bitCanvas(bitmap);
10 SkPaint paint;
11 SkColor gray = 0xFF000000;
12 int left = 0;
13 for (auto right: { center.fLeft, center.fRight, bitmap.width() } ) {
14 int top = 0;
15 for (auto bottom: { center.fTop, center.fBottom, bitmap.height() } ) {
16 paint.setColor(gray);
17 bitCanvas.drawIRect(SkIRect::MakeLTRB(left, top, right, bottom), paint);
18 gray += 0x001f1f1f;
19 top = bottom;
20 }
21 left = right;
22 }
23 sk_sp<SkImage> image = bitmap.asImage();
24 SkImage* imagePtr = image.get();
25 for (auto dest: { 20, 30, 40, 60, 90 } ) {
26 canvas->drawImageNine(imagePtr, center, SkRect::MakeWH(dest, dest),
27 SkFilterMode::kNearest, nullptr);
28 canvas->translate(dest + 4, 0);
29 }
30 }
31 } // END FIDDLE
32