skia2/docs/examples/Canvas_drawImageNine.cpp
Hal Canary d88c2e8e09 Docs: rename examples files to match names
Change-Id: I9a6b2780cfdd91cdd16d5a08eb9ba1214492cb7e
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/201982
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
2019-03-19 18:49:22 +00:00

32 lines
1.2 KiB
C++

// Copyright 2019 Google LLC.
// Use of this source code is governed by a BSD-style license that can be found in the LICENSE file.
#include "fiddle/examples.h"
// HASH=4f153cf1d0dbe1a95acf5badeec14dae
REG_FIDDLE(Canvas_drawImageNine, 256, 128, false, 0) {
void draw(SkCanvas* canvas) {
SkIRect center = { 20, 10, 50, 40 };
SkBitmap bitmap;
bitmap.allocPixels(SkImageInfo::MakeN32Premul(60, 60));
SkCanvas bitCanvas(bitmap);
SkPaint paint;
SkColor gray = 0xFF000000;
int left = 0;
for (auto right: { center.fLeft, center.fRight, bitmap.width() } ) {
int top = 0;
for (auto bottom: { center.fTop, center.fBottom, bitmap.height() } ) {
paint.setColor(gray);
bitCanvas.drawIRect(SkIRect::MakeLTRB(left, top, right, bottom), paint);
gray += 0x001f1f1f;
top = bottom;
}
left = right;
}
sk_sp<SkImage> image = SkImage::MakeFromBitmap(bitmap);
SkImage* imagePtr = image.get();
for (auto dest: { 20, 30, 40, 60, 90 } ) {
canvas->drawImageNine(imagePtr, center, SkRect::MakeWH(dest, dest), nullptr);
canvas->translate(dest + 4, 0);
}
}
} // END FIDDLE