diff options
Diffstat (limited to 'src/gui/painting/qoutlinemapper.cpp')
| -rw-r--r-- | src/gui/painting/qoutlinemapper.cpp | 70 |
1 files changed, 22 insertions, 48 deletions
diff --git a/src/gui/painting/qoutlinemapper.cpp b/src/gui/painting/qoutlinemapper.cpp index e92c747010..2f87ff43b7 100644 --- a/src/gui/painting/qoutlinemapper.cpp +++ b/src/gui/painting/qoutlinemapper.cpp @@ -1,41 +1,5 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the QtGui module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ +// Copyright (C) 2016 The Qt Company Ltd. +// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only #include "qoutlinemapper_p.h" @@ -73,6 +37,24 @@ static const QRectF boundingRect(const QPointF *points, int pointCount) return QRectF(QPointF(minx, miny), QPointF(maxx, maxy)); } +void QOutlineMapper::setClipRect(QRect clipRect) +{ + auto limitCoords = [](QRect r) { + const QRect limitRect(QPoint(-QT_RASTER_COORD_LIMIT, -QT_RASTER_COORD_LIMIT), + QPoint(QT_RASTER_COORD_LIMIT, QT_RASTER_COORD_LIMIT)); + r &= limitRect; + r.setWidth(qMin(r.width(), QT_RASTER_COORD_LIMIT)); + r.setHeight(qMin(r.height(), QT_RASTER_COORD_LIMIT)); + return r; + }; + + if (clipRect != m_clip_rect) { + m_clip_rect = limitCoords(clipRect); + const int mw = 1 << 10; // margin width. No need to trigger clipping for slight overshooting + m_clip_trigger_rect = QRectF(limitCoords(m_clip_rect.adjusted(-mw, -mw, mw, mw))); + } +} + void QOutlineMapper::curveTo(const QPointF &cp1, const QPointF &cp2, const QPointF &ep) { #ifdef QT_DEBUG_CONVERT printf("QOutlineMapper::curveTo() (%f, %f)\n", ep.x(), ep.y()); @@ -236,16 +218,8 @@ void QOutlineMapper::endOutline() m_clip_rect.x(), m_clip_rect.y(), m_clip_rect.width(), m_clip_rect.height()); #endif - - // Check for out of dev bounds... - const bool do_clip = !m_in_clip_elements && ((controlPointRect.left() < -QT_RASTER_COORD_LIMIT - || controlPointRect.right() > QT_RASTER_COORD_LIMIT - || controlPointRect.top() < -QT_RASTER_COORD_LIMIT - || controlPointRect.bottom() > QT_RASTER_COORD_LIMIT - || controlPointRect.width() > QT_RASTER_COORD_LIMIT - || controlPointRect.height() > QT_RASTER_COORD_LIMIT)); - - if (do_clip) { + // Avoid rasterizing outside cliprect: faster, and ensures coords < QT_RASTER_COORD_LIMIT + if (!m_in_clip_elements && !m_clip_trigger_rect.contains(controlPointRect)) { clipElements(elements, elementTypes(), m_elements.size()); } else { convertElements(elements, elementTypes(), m_elements.size()); |