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Diffstat (limited to 'src/plugins/scenegraph/openvg/qsgopenvginternalrectanglenode.cpp')
| -rw-r--r-- | src/plugins/scenegraph/openvg/qsgopenvginternalrectanglenode.cpp | 732 |
1 files changed, 732 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/openvg/qsgopenvginternalrectanglenode.cpp b/src/plugins/scenegraph/openvg/qsgopenvginternalrectanglenode.cpp new file mode 100644 index 0000000000..be437303bc --- /dev/null +++ b/src/plugins/scenegraph/openvg/qsgopenvginternalrectanglenode.cpp @@ -0,0 +1,732 @@ +/**************************************************************************** +** +** Copyright (C) 2016 The Qt Company Ltd. +** Contact: https://www.qt.io/licensing/ +** +** This file is part of the QtQuick 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. +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qsgopenvginternalrectanglenode.h" +#include "qsgopenvghelpers.h" + +#include <VG/vgu.h> + +QSGOpenVGInternalRectangleNode::QSGOpenVGInternalRectangleNode() +{ + // Set Dummy material and geometry to avoid asserts + setMaterial((QSGMaterial*)1); + setGeometry((QSGGeometry*)1); + createVGResources(); +} + +QSGOpenVGInternalRectangleNode::~QSGOpenVGInternalRectangleNode() +{ + destroyVGResources(); +} + + +void QSGOpenVGInternalRectangleNode::setRect(const QRectF &rect) +{ + m_rect = rect; + m_pathDirty = true; +} + +void QSGOpenVGInternalRectangleNode::setColor(const QColor &color) +{ + m_fillColor = color; + m_fillDirty = true; +} + +void QSGOpenVGInternalRectangleNode::setPenColor(const QColor &color) +{ + m_strokeColor = color; + m_strokeDirty = true; +} + +void QSGOpenVGInternalRectangleNode::setPenWidth(qreal width) +{ + m_penWidth = width; + m_strokeDirty = true; + m_pathDirty = true; +} + +//Move first stop by pos relative to seconds +static QGradientStop interpolateStop(const QGradientStop &firstStop, const QGradientStop &secondStop, double newPos) +{ + double distance = secondStop.first - firstStop.first; + double distanceDelta = newPos - firstStop.first; + double modifierValue = distanceDelta / distance; + int redDelta = (secondStop.second.red() - firstStop.second.red()) * modifierValue; + int greenDelta = (secondStop.second.green() - firstStop.second.green()) * modifierValue; + int blueDelta = (secondStop.second.blue() - firstStop.second.blue()) * modifierValue; + int alphaDelta = (secondStop.second.alpha() - firstStop.second.alpha()) * modifierValue; + + QGradientStop newStop; + newStop.first = newPos; + newStop.second = QColor(firstStop.second.red() + redDelta, + firstStop.second.green() + greenDelta, + firstStop.second.blue() + blueDelta, + firstStop.second.alpha() + alphaDelta); + + return newStop; +} + +void QSGOpenVGInternalRectangleNode::setGradientStops(const QGradientStops &stops) +{ + + //normalize stops + bool needsNormalization = false; + for (const QGradientStop &stop : qAsConst(stops)) { + if (stop.first < 0.0 || stop.first > 1.0) { + needsNormalization = true; + continue; + } + } + + if (needsNormalization) { + QGradientStops normalizedStops; + if (stops.count() == 1) { + //If there is only one stop, then the position does not matter + //It is just treated as a color + QGradientStop stop = stops.at(0); + stop.first = 0.0; + normalizedStops.append(stop); + } else { + //Clip stops to only the first below 0.0 and above 1.0 + int below = -1; + int above = -1; + QVector<int> between; + for (int i = 0; i < stops.count(); ++i) { + if (stops.at(i).first < 0.0) { + below = i; + } else if (stops.at(i).first > 1.0) { + above = i; + break; + } else { + between.append(i); + } + } + + //Interpoloate new color values for above and below + if (below != -1 ) { + //If there are more than one stops left, interpolate + if (below + 1 < stops.count()) { + normalizedStops.append(interpolateStop(stops.at(below), stops.at(below + 1), 0.0)); + } else { + QGradientStop singleStop; + singleStop.first = 0.0; + singleStop.second = stops.at(below).second; + normalizedStops.append(singleStop); + } + } + + for (int i = 0; i < between.count(); ++i) + normalizedStops.append(stops.at(between.at(i))); + + if (above != -1) { + //If there stops before above, interpolate + if (above >= 1) { + normalizedStops.append(interpolateStop(stops.at(above), stops.at(above - 1), 1.0)); + } else { + QGradientStop singleStop; + singleStop.first = 1.0; + singleStop.second = stops.at(above).second; + normalizedStops.append(singleStop); + } + } + } + + m_gradientStops = normalizedStops; + + } else { + m_gradientStops = stops; + } + + m_fillDirty = true; +} + +void QSGOpenVGInternalRectangleNode::setRadius(qreal radius) +{ + m_radius = radius; + m_pathDirty = true; +} + +void QSGOpenVGInternalRectangleNode::setAligned(bool aligned) +{ + m_aligned = aligned; +} + +void QSGOpenVGInternalRectangleNode::update() +{ +} + +void QSGOpenVGInternalRectangleNode::render() +{ + // Set Transform + if (transform().isAffine()) { + // Use current transform matrix + vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE); + vgLoadMatrix(transform().constData()); + if (m_offscreenSurface) { + delete m_offscreenSurface; + m_offscreenSurface = nullptr; + } + } else { + vgSeti(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE); + vgLoadIdentity(); + if (m_radius > 0) { + // Fallback to rendering to an image for rounded rects with perspective transforms + if (m_offscreenSurface == nullptr || m_offscreenSurface->size() != QSize(ceil(m_rect.width()), ceil(m_rect.height()))) { + delete m_offscreenSurface; + m_offscreenSurface = new QOpenVGOffscreenSurface(QSize(ceil(m_rect.width()), ceil(m_rect.height()))); + } + + m_offscreenSurface->makeCurrent(); + } else if (m_offscreenSurface) { + delete m_offscreenSurface; + m_offscreenSurface = nullptr; + } + } + + + // If path is dirty + if (m_pathDirty) { + vgClearPath(m_rectanglePath, VG_PATH_CAPABILITY_APPEND_TO); + vgClearPath(m_borderPath, VG_PATH_CAPABILITY_APPEND_TO); + + if (m_penWidth == 0) { + generateRectanglePath(m_rect, m_radius, m_rectanglePath); + } else { + generateRectangleAndBorderPaths(m_rect, m_penWidth, m_radius, m_rectanglePath, m_borderPath); + } + + m_pathDirty = false; + } + + //If fill is drity + if (m_fillDirty) { + if (m_gradientStops.isEmpty()) { + vgSetParameteri(m_rectanglePaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR); + vgSetParameterfv(m_rectanglePaint, VG_PAINT_COLOR, 4, QSGOpenVGHelpers::qColorToVGColor(m_fillColor, opacity()).constData()); + } else { + // Linear Gradient + vgSetParameteri(m_rectanglePaint, VG_PAINT_TYPE, VG_PAINT_TYPE_LINEAR_GRADIENT); + const VGfloat verticalLinearGradient[] = { + 0.0f, + 0.0f, + 0.0f, + static_cast<VGfloat>(m_rect.height()) + }; + vgSetParameterfv(m_rectanglePaint, VG_PAINT_LINEAR_GRADIENT, 4, verticalLinearGradient); + vgSetParameteri(m_rectanglePaint, VG_PAINT_COLOR_RAMP_SPREAD_MODE, VG_COLOR_RAMP_SPREAD_PAD); + vgSetParameteri(m_rectanglePaint, VG_PAINT_COLOR_RAMP_PREMULTIPLIED, false); + + QVector<VGfloat> stops; + for (const QGradientStop &stop : qAsConst(m_gradientStops)) { + // offset + stops.append(stop.first); + // color + stops.append(QSGOpenVGHelpers::qColorToVGColor(stop.second, opacity())); + } + + vgSetParameterfv(m_rectanglePaint, VG_PAINT_COLOR_RAMP_STOPS, stops.length(), stops.constData()); + } + + m_fillDirty = false; + } + + //If stroke is dirty + if (m_strokeDirty) { + vgSetParameteri(m_borderPaint, VG_PAINT_TYPE, VG_PAINT_TYPE_COLOR); + vgSetParameterfv(m_borderPaint, VG_PAINT_COLOR, 4, QSGOpenVGHelpers::qColorToVGColor(m_strokeColor, opacity()).constData()); + + m_strokeDirty = false; + } + + //Draw + if (m_penWidth > 0) { + vgSetPaint(m_borderPaint, VG_FILL_PATH); + vgDrawPath(m_borderPath, VG_FILL_PATH); + vgSetPaint(m_rectanglePaint, VG_FILL_PATH); + vgDrawPath(m_rectanglePath, VG_FILL_PATH); + } else { + vgSetPaint(m_rectanglePaint, VG_FILL_PATH); + vgDrawPath(m_rectanglePath, VG_FILL_PATH); + } + + if (!transform().isAffine() && m_radius > 0) { + m_offscreenSurface->doneCurrent(); + // Render offscreen surface + vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE); + vgLoadMatrix(transform().constData()); + vgDrawImage(m_offscreenSurface->image()); + } +} + +void QSGOpenVGInternalRectangleNode::setOpacity(float opacity) +{ + if (opacity != QSGOpenVGRenderable::opacity()) { + QSGOpenVGRenderable::setOpacity(opacity); + m_strokeDirty = true; + m_fillDirty = true; + } +} + +void QSGOpenVGInternalRectangleNode::setTransform(const QOpenVGMatrix &transform) +{ + // if there transform matrix is not affine, regenerate the path + if (transform.isAffine()) + m_pathDirty = true; + + QSGOpenVGRenderable::setTransform(transform); +} + +void QSGOpenVGInternalRectangleNode::createVGResources() +{ + m_rectanglePaint = vgCreatePaint(); + m_borderPaint = vgCreatePaint(); + m_rectanglePath = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); + m_borderPath = vgCreatePath(VG_PATH_FORMAT_STANDARD, VG_PATH_DATATYPE_F, 1, 0, 0, 0, + VG_PATH_CAPABILITY_APPEND_TO); +} + +void QSGOpenVGInternalRectangleNode::destroyVGResources() +{ + if (m_offscreenSurface) + delete m_offscreenSurface; + + vgDestroyPaint(m_rectanglePaint); + vgDestroyPaint(m_borderPaint); + vgDestroyPath(m_rectanglePath); + vgDestroyPath(m_borderPath); +} + +void QSGOpenVGInternalRectangleNode::generateRectanglePath(const QRectF &rect, float radius, VGPath path) const +{ + if (radius == 0) { + // Generate a rectangle + if (transform().isAffine()) { + // Create command list + static const VGubyte rectCommands[] = { + VG_MOVE_TO_ABS, + VG_HLINE_TO_REL, + VG_VLINE_TO_REL, + VG_HLINE_TO_REL, + VG_CLOSE_PATH + }; + + // Create command data + QVector<VGfloat> coordinates(5); + coordinates[0] = rect.x(); + coordinates[1] = rect.y(); + coordinates[2] = rect.width(); + coordinates[3] = rect.height(); + coordinates[4] = -rect.width(); + vgAppendPathData(path, 5, rectCommands, coordinates.constData()); + } else { + // Pre-transform path + static const VGubyte rectCommands[] = { + VG_MOVE_TO_ABS, + VG_LINE_TO_ABS, + VG_LINE_TO_ABS, + VG_LINE_TO_ABS, + VG_CLOSE_PATH + }; + + QVector<VGfloat> coordinates(8); + const QPointF topLeft = transform().map(rect.topLeft()); + const QPointF topRight = transform().map(rect.topRight()); + const QPointF bottomLeft = transform().map(rect.bottomLeft()); + const QPointF bottomRight = transform().map(rect.bottomRight()); + coordinates[0] = bottomLeft.x(); + coordinates[1] = bottomLeft.y(); + coordinates[2] = bottomRight.x(); + coordinates[3] = bottomRight.y(); + coordinates[4] = topRight.x(); + coordinates[5] = topRight.y(); + coordinates[6] = topLeft.x(); + coordinates[7] = topLeft.y(); + + vgAppendPathData(path, 5, rectCommands, coordinates.constData()); + } + } else { + // Generate a rounded rectangle + //Radius should never exceeds half of the width or half of the height + float adjustedRadius = qMin((float)qMin(rect.width(), rect.height()) * 0.5f, radius); + + // OpenVG expectes radius to be 2x what we expect + adjustedRadius *= 2; + + // Create command list + static const VGubyte roundedRectCommands[] = { + VG_MOVE_TO_ABS, + VG_HLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_VLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_HLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_VLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_CLOSE_PATH + }; + + // Create command data + QVector<VGfloat> coordinates(26); + + coordinates[0] = rect.x() + adjustedRadius / 2; + coordinates[1] = rect.y(); + + coordinates[2] = rect.width() - adjustedRadius; + + coordinates[3] = adjustedRadius / 2; + coordinates[4] = adjustedRadius / 2; + coordinates[5] = 0; + coordinates[6] = adjustedRadius / 2; + coordinates[7] = adjustedRadius / 2; + + coordinates[8] = rect.height() - adjustedRadius; + + coordinates[9] = adjustedRadius / 2; + coordinates[10] = adjustedRadius / 2; + coordinates[11] = 0; + coordinates[12] = -adjustedRadius / 2; + coordinates[13] = adjustedRadius / 2; + + coordinates[14] = -(rect.width() - adjustedRadius); + + coordinates[15] = adjustedRadius / 2; + coordinates[16] = adjustedRadius / 2; + coordinates[17] = 0; + coordinates[18] = -adjustedRadius / 2; + coordinates[19] = -adjustedRadius / 2; + + coordinates[20] = -(rect.height() - adjustedRadius); + + coordinates[21] = adjustedRadius / 2; + coordinates[22] = adjustedRadius / 2; + coordinates[23] = 0; + coordinates[24] = adjustedRadius / 2; + coordinates[25] = -adjustedRadius / 2; + + vgAppendPathData(path, 10, roundedRectCommands, coordinates.constData()); + } +} + +void QSGOpenVGInternalRectangleNode::generateBorderPath(const QRectF &rect, float borderWidth, float borderHeight, float radius, VGPath path) const +{ + if (radius == 0) { + // squared frame + if (transform().isAffine()) { + // Create command list + static const VGubyte squaredBorderCommands[] = { + VG_MOVE_TO_ABS, + VG_HLINE_TO_REL, + VG_VLINE_TO_REL, + VG_HLINE_TO_REL, + VG_MOVE_TO_ABS, + VG_VLINE_TO_REL, + VG_HLINE_TO_REL, + VG_VLINE_TO_REL, + VG_CLOSE_PATH + }; + + // Create command data + QVector<VGfloat> coordinates(10); + // Outside Square + coordinates[0] = rect.x(); + coordinates[1] = rect.y(); + coordinates[2] = rect.width(); + coordinates[3] = rect.height(); + coordinates[4] = -rect.width(); + // Inside Square (opposite direction) + coordinates[5] = rect.x() + borderWidth; + coordinates[6] = rect.y() + borderHeight; + coordinates[7] = rect.height() - (borderHeight * 2); + coordinates[8] = rect.width() - (borderWidth * 2); + coordinates[9] = -(rect.height() - (borderHeight * 2)); + + vgAppendPathData(path, 9, squaredBorderCommands, coordinates.constData()); + } else { + // persepective transform + static const VGubyte squaredBorderCommands[] = { + VG_MOVE_TO_ABS, + VG_LINE_TO_ABS, + VG_LINE_TO_ABS, + VG_LINE_TO_ABS, + VG_MOVE_TO_ABS, + VG_LINE_TO_ABS, + VG_LINE_TO_ABS, + VG_LINE_TO_ABS, + VG_CLOSE_PATH + }; + + QVector<VGfloat> coordinates(16); + QRectF insideRect = rect.marginsRemoved(QMarginsF(borderWidth, borderHeight, borderWidth, borderHeight)); + QPointF outsideBottomLeft = transform().map(rect.bottomLeft()); + QPointF outsideBottomRight = transform().map(rect.bottomRight()); + QPointF outsideTopRight = transform().map(rect.topRight()); + QPointF outsideTopLeft = transform().map(rect.topLeft()); + QPointF insideBottomLeft = transform().map(insideRect.bottomLeft()); + QPointF insideTopLeft = transform().map(insideRect.topLeft()); + QPointF insideTopRight = transform().map(insideRect.topRight()); + QPointF insideBottomRight = transform().map(insideRect.bottomRight()); + + // Outside + coordinates[0] = outsideBottomLeft.x(); + coordinates[1] = outsideBottomLeft.y(); + coordinates[2] = outsideBottomRight.x(); + coordinates[3] = outsideBottomRight.y(); + coordinates[4] = outsideTopRight.x(); + coordinates[5] = outsideTopRight.y(); + coordinates[6] = outsideTopLeft.x(); + coordinates[7] = outsideTopLeft.y(); + // Inside + coordinates[8] = insideBottomLeft.x(); + coordinates[9] = insideBottomLeft.y(); + coordinates[10] = insideTopLeft.x(); + coordinates[11] = insideTopLeft.y(); + coordinates[12] = insideTopRight.x(); + coordinates[13] = insideTopRight.y(); + coordinates[14] = insideBottomRight.x(); + coordinates[15] = insideBottomRight.y(); + + vgAppendPathData(path, 9, squaredBorderCommands, coordinates.constData()); + } + } else if (radius < qMax(borderWidth, borderHeight)){ + // rounded outside, squared inside + // Create command list + static const VGubyte roundedRectCommands[] = { + VG_MOVE_TO_ABS, + VG_HLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_VLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_HLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_VLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_MOVE_TO_ABS, + VG_VLINE_TO_REL, + VG_HLINE_TO_REL, + VG_VLINE_TO_REL, + VG_CLOSE_PATH + }; + + // Ajust for OpenVG's usage or radius + float adjustedRadius = radius * 2; + + // Create command data + QVector<VGfloat> coordinates(31); + // Outside Rounded Rect + coordinates[0] = rect.x() + adjustedRadius / 2; + coordinates[1] = rect.y(); + + coordinates[2] = rect.width() - adjustedRadius; + + coordinates[3] = adjustedRadius / 2; + coordinates[4] = adjustedRadius / 2; + coordinates[5] = 0; + coordinates[6] = adjustedRadius / 2; + coordinates[7] = adjustedRadius / 2; + + coordinates[8] = rect.height() - adjustedRadius; + + coordinates[9] = adjustedRadius / 2; + coordinates[10] = adjustedRadius / 2; + coordinates[11] = 0; + coordinates[12] = -adjustedRadius / 2; + coordinates[13] = adjustedRadius / 2; + + coordinates[14] = -(rect.width() - adjustedRadius); + + coordinates[15] = adjustedRadius / 2; + coordinates[16] = adjustedRadius / 2; + coordinates[17] = 0; + coordinates[18] = -adjustedRadius / 2; + coordinates[19] = -adjustedRadius / 2; + + coordinates[20] = -(rect.height() - adjustedRadius); + + coordinates[21] = adjustedRadius / 2; + coordinates[22] = adjustedRadius / 2; + coordinates[23] = 0; + coordinates[24] = adjustedRadius / 2; + coordinates[25] = -adjustedRadius / 2; + + // Inside Square (opposite direction) + coordinates[26] = rect.x() + borderWidth; + coordinates[27] = rect.y() + borderHeight; + coordinates[28] = rect.height() - (borderHeight * 2); + coordinates[29] = rect.width() - (borderWidth * 2); + coordinates[30] = -(rect.height() - (borderHeight * 2)); + + vgAppendPathData(path, 14, roundedRectCommands, coordinates.constData()); + } else { + // rounded outside, rounded inside + + static const VGubyte roundedBorderCommands[] = { + // Outer + VG_MOVE_TO_ABS, + VG_HLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_VLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_HLINE_TO_REL, + VG_SCCWARC_TO_REL, + VG_VLINE_TO_REL, + VG_SCCWARC_TO_REL, + // Inner + VG_MOVE_TO_ABS, + VG_SCWARC_TO_REL, + VG_VLINE_TO_REL, + VG_SCWARC_TO_REL, + VG_HLINE_TO_REL, + VG_SCWARC_TO_REL, + VG_VLINE_TO_REL, + VG_SCWARC_TO_REL, + VG_HLINE_TO_REL, + VG_CLOSE_PATH + }; + + // Adjust for OpenVG's usage or radius + float adjustedRadius = radius * 2; + float adjustedInnerRadius = (radius - qMax(borderWidth, borderHeight)) * 2; + + // Create command data + QVector<VGfloat> coordinates(52); + + // Outer + coordinates[0] = rect.x() + adjustedRadius / 2; + coordinates[1] = rect.y(); + + coordinates[2] = rect.width() - adjustedRadius; + + coordinates[3] = adjustedRadius / 2; + coordinates[4] = adjustedRadius / 2; + coordinates[5] = 0; + coordinates[6] = adjustedRadius / 2; + coordinates[7] = adjustedRadius / 2; + + coordinates[8] = rect.height() - adjustedRadius; + + coordinates[9] = adjustedRadius / 2; + coordinates[10] = adjustedRadius / 2; + coordinates[11] = 0; + coordinates[12] = -adjustedRadius / 2; + coordinates[13] = adjustedRadius / 2; + + coordinates[14] = -(rect.width() - adjustedRadius); + + coordinates[15] = adjustedRadius / 2; + coordinates[16] = adjustedRadius / 2; + coordinates[17] = 0; + coordinates[18] = -adjustedRadius / 2; + coordinates[19] = -adjustedRadius / 2; + + coordinates[20] = -(rect.height() - adjustedRadius); + + coordinates[21] = adjustedRadius / 2; + coordinates[22] = adjustedRadius / 2; + coordinates[23] = 0; + coordinates[24] = adjustedRadius / 2; + coordinates[25] = -adjustedRadius / 2; + + // Inner + coordinates[26] = rect.width() - (adjustedInnerRadius / 2 + borderWidth); + coordinates[27] = rect.height() - borderHeight; + + coordinates[28] = adjustedInnerRadius / 2; + coordinates[29] = adjustedInnerRadius / 2; + coordinates[30] = 0; + coordinates[31] = adjustedInnerRadius / 2; + coordinates[32] = -adjustedInnerRadius / 2; + + coordinates[33] = -((rect.height() - borderHeight * 2) - adjustedInnerRadius); + + coordinates[34] = adjustedInnerRadius / 2; + coordinates[35] = adjustedInnerRadius / 2; + coordinates[36] = 0; + coordinates[37] = -adjustedInnerRadius / 2; + coordinates[38] = -adjustedInnerRadius / 2; + + coordinates[39] = -((rect.width() - borderWidth * 2) - adjustedInnerRadius); + + coordinates[40] = adjustedInnerRadius / 2; + coordinates[41] = adjustedInnerRadius / 2; + coordinates[42] = 0; + coordinates[43] = -adjustedInnerRadius / 2; + coordinates[44] = adjustedInnerRadius / 2; + + coordinates[45] = (rect.height() - borderHeight * 2) - adjustedInnerRadius; + + coordinates[46] = adjustedInnerRadius / 2; + coordinates[47] = adjustedInnerRadius / 2; + coordinates[48] = 0; + coordinates[49] = adjustedInnerRadius / 2; + coordinates[50] = adjustedInnerRadius / 2; + + coordinates[51] = (rect.width() - borderWidth * 2) - adjustedInnerRadius; + + vgAppendPathData(path, 19, roundedBorderCommands, coordinates.constData()); + } +} + +void QSGOpenVGInternalRectangleNode::generateRectangleAndBorderPaths(const QRectF &rect, float penWidth, float radius, VGPath inside, VGPath outside) const +{ + //Borders can not be more than half the height/width of a rect + float borderWidth = qMin(penWidth, (float)rect.width() * 0.5f); + float borderHeight = qMin(penWidth, (float)rect.height() * 0.5f); + + //Radius should never exceeds half of the width or half of the height + float adjustedRadius = qMin((float)qMin(rect.width(), rect.height()) * 0.5f, radius); + + QRectF innerRect = rect; + innerRect.adjust(borderWidth, borderHeight, -borderWidth, -borderHeight); + + if (radius == 0) { + // Regular rect with border + generateRectanglePath(innerRect, 0, inside); + generateBorderPath(rect, borderWidth, borderHeight, 0, outside); + } else { + // Rounded Rect with border + float innerRadius = radius - qMax(borderWidth, borderHeight); + if (innerRadius < 0) + innerRadius = 0.0f; + + generateRectanglePath(innerRect, innerRadius, inside); + generateBorderPath(rect, borderWidth, borderHeight, adjustedRadius, outside); + } +} |