From 267c6f2ac71f92999e969232431ba04678e7437e Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Mon, 15 Apr 2024 07:54:39 +0200 Subject: Adding upstream version 4:24.2.0. Signed-off-by: Daniel Baumann --- vcl/skia/quartz/salbmp.mm | 107 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+) create mode 100644 vcl/skia/quartz/salbmp.mm (limited to 'vcl/skia/quartz') diff --git a/vcl/skia/quartz/salbmp.mm b/vcl/skia/quartz/salbmp.mm new file mode 100644 index 0000000000..4e9782daf1 --- /dev/null +++ b/vcl/skia/quartz/salbmp.mm @@ -0,0 +1,107 @@ +/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */ +/* + * This file is part of the LibreOffice project. + * + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. + * + * This file incorporates work covered by the following license notice: + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed + * with this work for additional information regarding copyright + * ownership. The ASF licenses this file to you under the Apache + * License, Version 2.0 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.apache.org/licenses/LICENSE-2.0 . + */ + +#include +#include +#include +#include +#include + +#include +#ifdef MACOSX +#include +#else +#include +#endif +#include + +CGImageRef SkiaSalBitmap::CreateWithMask(const SalBitmap& rMask, int nX, int nY, int nWidth, + int nHeight) const +{ + return CreateWithSalBitmapAndMask( *this, rMask, nX, nY, nWidth, nHeight ); +} + +/** creates an image from the given rectangle, replacing all black pixels + with nMaskColor and make all other full transparent */ +CGImageRef SkiaSalBitmap::CreateColorMask(int nX, int nY, int nWidth, int nHeight, + Color nMaskColor) const +{ + SkiaZone zone; + SkBitmap targetBitmap; + if (!targetBitmap.tryAllocPixels(SkImageInfo::Make(nWidth, nHeight, kN32_SkColorType, kPremul_SkAlphaType))) + return nullptr; + + SkPaint paint; + paint.setBlendMode(SkBlendMode::kSrc); // set as is + SkMatrix matrix; // The image is needed upside-down. + matrix.preTranslate(0, targetBitmap.height()); + matrix.setConcat(matrix, SkMatrix::Scale(1, -1)); + + SkCanvas canvas(targetBitmap); + canvas.concat(matrix); + canvas.drawImageRect(GetSkImage(), SkRect::MakeXYWH(nX, nY, nWidth, nHeight), SkRect::MakeXYWH(0, 0, nWidth, nHeight), SkSamplingOptions(), &paint, SkCanvas::SrcRectConstraint::kFast_SrcRectConstraint); + canvas.flush(); + + const SkColor maskColor = SkiaHelper::toSkColor(nMaskColor); + for (int y = 0; y < targetBitmap.height(); y++) + { + SkColor *pPixels = targetBitmap.getAddr32(0, y); + for (int x = 0; x < targetBitmap.width(); x++) + *pPixels++ = (*pPixels == SK_ColorBLACK ? maskColor : SK_ColorTRANSPARENT); + } + + targetBitmap.setImmutable(); + + CGContextRef xContext = CGBitmapContextCreate(targetBitmap.getAddr32(0, 0), targetBitmap.width(), targetBitmap.height(), 8, targetBitmap.rowBytes(), GetSalData()->mxRGBSpace, SkiaToCGBitmapType(targetBitmap.colorType(), targetBitmap.alphaType())); + if (!xContext) + return nullptr; + + CGImageRef xCroppedImage = CGBitmapContextCreateImage(xContext); + CGContextRelease(xContext); + return xCroppedImage; +} + + +CGImageRef SkiaSalBitmap::CreateCroppedImage(int nX, int nY, int nWidth, int nHeight) const +{ + SkiaZone zone; + SkBitmap targetBitmap; + if (!targetBitmap.tryAllocPixels(SkImageInfo::Make(nWidth, nHeight, kN32_SkColorType, kPremul_SkAlphaType))) + return nullptr; + + SkPaint paint; + paint.setBlendMode(SkBlendMode::kSrc); // set as is + SkMatrix matrix; // The image is needed upside-down. + matrix.preTranslate(0, targetBitmap.height()); + matrix.setConcat(matrix, SkMatrix::Scale(1, -1)); + + SkCanvas canvas(targetBitmap); + canvas.concat(matrix); + canvas.drawImageRect(GetSkImage(), SkRect::MakeXYWH(nX, nY, nWidth, nHeight), SkRect::MakeXYWH(0, 0, nWidth, nHeight), SkSamplingOptions(), &paint, SkCanvas::SrcRectConstraint::kFast_SrcRectConstraint); + canvas.flush(); + targetBitmap.setImmutable(); + + CGContextRef xContext = CGBitmapContextCreate(targetBitmap.getAddr32(0, 0), targetBitmap.width(), targetBitmap.height(), 8, targetBitmap.rowBytes(), GetSalData()->mxRGBSpace, SkiaToCGBitmapType(targetBitmap.colorType(), targetBitmap.alphaType())); + if (!xContext) + return nullptr; + + CGImageRef xCroppedImage = CGBitmapContextCreateImage(xContext); + CGContextRelease(xContext); + return xCroppedImage; +} -- cgit v1.2.3