skia2/docs/examples/Src_Over.cpp
Mike Reed fae8fceb4a Use SkTileMode instead of nested enum
Add guard to transition clients

Change-Id: Ia7a3e8f95722f91e84af262168dadf89a78707da
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/205720
Reviewed-by: Mike Reed <reed@google.com>
Commit-Queue: Mike Reed <reed@google.com>
Auto-Submit: Mike Reed <reed@google.com>
2019-04-03 15:24:18 +00:00

23 lines
1013 B
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=2ea9c149964a06cdb4929158cb4f15f8
REG_FIDDLE(Src_Over, 256, 256, false, 0) {
void draw(SkCanvas* canvas) {
SkColor colors[] = { SK_ColorRED, SK_ColorBLUE };
SkPoint horz[] = { { 0, 0 }, { 256, 0 } };
SkPaint paint;
paint.setShader(SkGradientShader::MakeLinear(horz, colors, nullptr, SK_ARRAY_COUNT(colors),
SkTileMode::kClamp));
canvas->drawPaint(paint);
paint.setBlendMode(SkBlendMode::kDstIn);
SkColor alphas[] = { SK_ColorBLACK, SK_ColorTRANSPARENT };
SkPoint vert[] = { { 0, 0 }, { 0, 256 } };
paint.setShader(SkGradientShader::MakeLinear(vert, alphas, nullptr, SK_ARRAY_COUNT(alphas),
SkTileMode::kClamp));
canvas->drawPaint(paint);
canvas->clipRect( { 30, 30, 226, 226 } );
canvas->drawColor(SkColorSetA(SK_ColorGREEN, 128), SkBlendMode::kSrcOver);
}
} // END FIDDLE