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=c5bfa944e17ba4a4400dc799f032069c
5 REG_FIDDLE(Canvas_drawBitmapLattice, 256, 128, false, 0) {
draw(SkCanvas * canvas)6 void draw(SkCanvas* canvas) {
7 SkIRect center = { 20, 10, 50, 40 };
8 SkBitmap bitmap;
9 bitmap.allocPixels(SkImageInfo::MakeN32Premul(60, 60));
10 SkCanvas bitCanvas(bitmap);
11 SkPaint paint;
12 SkColor gray = 0xFF000000;
13 int left = 0;
14 for (auto right: { center.fLeft, center.fRight, bitmap.width() } ) {
15 int top = 0;
16 for (auto bottom: { center.fTop, center.fBottom, bitmap.height() } ) {
17 paint.setColor(gray);
18 bitCanvas.drawIRect(SkIRect::MakeLTRB(left, top, right, bottom), paint);
19 gray += 0x001f1f1f;
20 top = bottom;
21 }
22 left = right;
23 }
24 const int xDivs[] = { center.fLeft, center.fRight };
25 const int yDivs[] = { center.fTop, center.fBottom };
26 SkCanvas::Lattice::RectType fillTypes[3][3];
27 memset(fillTypes, 0, sizeof(fillTypes));
28 fillTypes[1][1] = SkCanvas::Lattice::kTransparent;
29 SkColor dummy[9]; // temporary pending bug fix
30 SkCanvas::Lattice lattice = { xDivs, yDivs, fillTypes[0], SK_ARRAY_COUNT(xDivs),
31 SK_ARRAY_COUNT(yDivs), nullptr, dummy };
32 for (auto dest: { 20, 30, 40, 60, 90 } ) {
33 canvas->drawBitmapLattice(bitmap, lattice, SkRect::MakeWH(dest, 110 - dest), nullptr);
34 canvas->translate(dest + 4, 0);
35 }
36 }
37 } // END FIDDLE
38