Flutter Engine
The Flutter Engine
Loading...
Searching...
No Matches
ColorSetA.cpp
Go to the documentation of this file.
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.
4// HASH=18f6f376f771f5ffa56d5e5b2ebd20fb
5REG_FIDDLE(ColorSetA, 256, 256, false, 3) {
6void draw(SkCanvas* canvas) {
7 canvas->drawImage(source.asImage(), 0, 0);
8 for (int y = 0; y < 256; y += 16) {
9 for (int x = 0; x < 256; x += 16) {
10 SkColor color = source.getColor(x + 8, y + 8);
12 paint.setColor(SkColorSetA(color, x + y));
13 canvas->drawRect(SkRect::MakeXYWH(x, y, 16, 16), paint);
14 }
15 }
16}
17} // END FIDDLE
SkColor4f color
uint32_t SkColor
Definition SkColor.h:37
static constexpr SkColor SkColorSetA(SkColor c, U8CPU a)
Definition SkColor.h:82
static void draw(SkCanvas *canvas, SkRect &target, int x, int y)
Definition aaclip.cpp:27
sk_sp< SkImage > asImage() const
Definition SkBitmap.cpp:645
SkColor getColor(int x, int y) const
Definition SkBitmap.h:874
void drawRect(const SkRect &rect, const SkPaint &paint)
void drawImage(const SkImage *image, SkScalar left, SkScalar top)
Definition SkCanvas.h:1528
const Paint & paint
SkBitmap source
Definition examples.cpp:28
#define REG_FIDDLE(NAME, W, H, TEXT, I)
Definition examples.h:60
double y
double x
static constexpr SkRect MakeXYWH(float x, float y, float w, float h)
Definition SkRect.h:659