From ed5640d8b587fbcfed7dd7967f3de04b37a76f26 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 11:06:44 +0200 Subject: Adding upstream version 4:7.4.7. Signed-off-by: Daniel Baumann --- vcl/source/control/imgctrl.cxx | 184 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 184 insertions(+) create mode 100644 vcl/source/control/imgctrl.cxx (limited to 'vcl/source/control/imgctrl.cxx') diff --git a/vcl/source/control/imgctrl.cxx b/vcl/source/control/imgctrl.cxx new file mode 100644 index 000000000..414824b29 --- /dev/null +++ b/vcl/source/control/imgctrl.cxx @@ -0,0 +1,184 @@ +/* -*- 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 + +namespace ImageScaleMode = css::awt::ImageScaleMode; + +ImageControl::ImageControl( vcl::Window* pParent, WinBits nStyle ) + :FixedImage( pParent, nStyle ) + ,mnScaleMode( ImageScaleMode::ANISOTROPIC ) +{ +} + +void ImageControl::SetScaleMode( const ::sal_Int16 _nMode ) +{ + if ( _nMode != mnScaleMode ) + { + mnScaleMode = _nMode; + Invalidate(); + } +} + +void ImageControl::Resize() +{ + Invalidate(); +} + +namespace +{ + Size lcl_calcPaintSize( const tools::Rectangle& _rPaintRect, const Size& _rBitmapSize ) + { + const Size aPaintSize = _rPaintRect.GetSize(); + + const double nRatioX = 1.0 * aPaintSize.Width() / _rBitmapSize.Width(); + const double nRatioY = 1.0 * aPaintSize.Height() / _rBitmapSize.Height(); + const double nRatioMin = ::std::min( nRatioX, nRatioY ); + + return Size( tools::Long( _rBitmapSize.Width() * nRatioMin ), tools::Long( _rBitmapSize.Height() * nRatioMin ) ); + } + + Point lcl_centerWithin( const tools::Rectangle& _rArea, const Size& _rObjectSize ) + { + Point aPos( _rArea.TopLeft() ); + aPos.AdjustX(( _rArea.GetWidth() - _rObjectSize.Width() ) / 2 ); + aPos.AdjustY(( _rArea.GetHeight() - _rObjectSize.Height() ) / 2 ); + return aPos; + } +} + +void ImageControl::ImplDraw(OutputDevice& rDev, const Point& rPos, const Size& rSize) const +{ + DrawImageFlags nStyle = DrawImageFlags::NONE; + if ( !IsEnabled() ) + nStyle |= DrawImageFlags::Disable; + + const Image& rImage( GetModeImage() ); + const tools::Rectangle aDrawRect( rPos, rSize ); + if (!rImage) + { + OUString sText( GetText() ); + if ( sText.isEmpty() ) + return; + + WinBits nWinStyle = GetStyle(); + DrawTextFlags nTextStyle = FixedText::ImplGetTextStyle( nWinStyle ); + if ( !IsEnabled() ) + nTextStyle |= DrawTextFlags::Disable; + + rDev.DrawText( aDrawRect, sText, nTextStyle ); + return; + } + + const Size& rBitmapSize = rImage.GetSizePixel(); + + switch ( mnScaleMode ) + { + case ImageScaleMode::NONE: + { + rDev.DrawImage(lcl_centerWithin( aDrawRect, rBitmapSize ), rImage, nStyle); + } + break; + + case ImageScaleMode::ISOTROPIC: + { + const Size aPaintSize = lcl_calcPaintSize( aDrawRect, rBitmapSize ); + rDev.DrawImage(lcl_centerWithin(aDrawRect, aPaintSize), aPaintSize, rImage, nStyle); + } + break; + + case ImageScaleMode::ANISOTROPIC: + { + rDev.DrawImage( + aDrawRect.TopLeft(), + aDrawRect.GetSize(), + rImage, nStyle ); + } + break; + + default: + OSL_ENSURE( false, "ImageControl::ImplDraw: unhandled scale mode!" ); + break; + + } // switch ( mnScaleMode ) +} + +void ImageControl::Paint(vcl::RenderContext& rRenderContext, const tools::Rectangle& /*rRect*/) +{ + ImplDraw(rRenderContext, Point(), GetOutputSizePixel()); + + if (!HasFocus()) + return; + + vcl::Window* pBorderWindow = GetWindow(GetWindowType::Border); + + bool bFlat = (GetBorderStyle() == WindowBorderStyle::MONO); + tools::Rectangle aRect(Point(0,0), pBorderWindow->GetOutputSizePixel()); + Color oldLineCol = pBorderWindow->GetOutDev()->GetLineColor(); + Color oldFillCol = pBorderWindow->GetOutDev()->GetFillColor(); + pBorderWindow->GetOutDev()->SetFillColor(); + pBorderWindow->GetOutDev()->SetLineColor(bFlat ? COL_WHITE : COL_BLACK); + pBorderWindow->GetOutDev()->DrawRect(aRect); + aRect.AdjustLeft( 1 ); + aRect.AdjustRight( -1 ); + aRect.AdjustTop( 1 ); + aRect.AdjustBottom( -1 ); + pBorderWindow->GetOutDev()->SetLineColor(bFlat ? COL_BLACK : COL_WHITE); + pBorderWindow->GetOutDev()->DrawRect(aRect); + pBorderWindow->GetOutDev()->SetLineColor(oldLineCol); + pBorderWindow->GetOutDev()->SetFillColor(oldFillCol); + +} + +void ImageControl::Draw( OutputDevice* pDev, const Point& rPos, SystemTextColorFlags ) +{ + const Point aPos = pDev->LogicToPixel( rPos ); + const Size aSize = GetSizePixel(); + tools::Rectangle aRect( aPos, aSize ); + + pDev->Push(); + pDev->SetMapMode(); + + // Border + if ( GetStyle() & WB_BORDER ) + { + ImplDrawFrame( pDev, aRect ); + } + pDev->IntersectClipRegion( aRect ); + ImplDraw( *pDev, aRect.TopLeft(), aRect.GetSize() ); + + pDev->Pop(); +} + +void ImageControl::GetFocus() +{ + FixedImage::GetFocus(); + GetWindow( GetWindowType::Border )->Invalidate(); +} + +void ImageControl::LoseFocus() +{ + FixedImage::GetFocus(); + GetWindow( GetWindowType::Border )->Invalidate(); +} + +/* vim:set shiftwidth=4 softtabstop=4 expandtab: */ -- cgit v1.2.3