// 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 "tools/fiddle/examples.h" // HASH=818e4e1191e39d2a642902cbf253b399 REG_FIDDLE(ImageInfo_computeOffset, 256, 128, false, 0) { void draw(SkCanvas* canvas) { uint8_t pixels[][12] = { { 0x00, 0x00, 0x00, 0xFF, 0xFF, 0x00, 0x00, 0x00}, { 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, 0x00}, { 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0x00}, { 0xFF, 0xFF, 0x00, 0xFF, 0xFF, 0x00, 0xFF, 0xFF}, { 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF}, { 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00}, { 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0x00}, { 0x00, 0x00, 0xFF, 0x00, 0x00, 0xFF, 0x00, 0x00} }; SkImageInfo imageInfo = SkImageInfo::MakeA8(8, 8); SkBitmap bitmap; bitmap.installPixels(imageInfo, (void*) pixels, sizeof(pixels[0])); SkPaint paint; paint.setColor(SK_ColorRED); canvas->drawBitmapRect(bitmap, SkRect::MakeWH(8, 8), SkRect::MakeWH(32, 32), &paint); size_t offset = imageInfo.computeOffset(2, 3, sizeof(pixels[0])); pixels[0][offset] = 0x7F; offset = imageInfo.computeOffset(5, 3, sizeof(pixels[0])); pixels[0][offset] = 0x7F; bitmap.installPixels(imageInfo, (void*) pixels, sizeof(pixels[0])); canvas->drawBitmapRect(bitmap, SkRect::MakeWH(8, 8), SkRect::MakeWH(128, 128), &paint); } } // END FIDDLE