| 1 | /**************************************************************************** |
| 2 | ** |
| 3 | ** Copyright (C) 2016 The Qt Company Ltd. |
| 4 | ** Contact: https://www.qt.io/licensing/ |
| 5 | ** |
| 6 | ** This file is part of the QtQuick module of the Qt Toolkit. |
| 7 | ** |
| 8 | ** $QT_BEGIN_LICENSE:LGPL$ |
| 9 | ** Commercial License Usage |
| 10 | ** Licensees holding valid commercial Qt licenses may use this file in |
| 11 | ** accordance with the commercial license agreement provided with the |
| 12 | ** Software or, alternatively, in accordance with the terms contained in |
| 13 | ** a written agreement between you and The Qt Company. For licensing terms |
| 14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
| 15 | ** information use the contact form at https://www.qt.io/contact-us. |
| 16 | ** |
| 17 | ** GNU Lesser General Public License Usage |
| 18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
| 19 | ** General Public License version 3 as published by the Free Software |
| 20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| 21 | ** packaging of this file. Please review the following information to |
| 22 | ** ensure the GNU Lesser General Public License version 3 requirements |
| 23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| 24 | ** |
| 25 | ** GNU General Public License Usage |
| 26 | ** Alternatively, this file may be used under the terms of the GNU |
| 27 | ** General Public License version 2.0 or (at your option) the GNU General |
| 28 | ** Public license version 3 or any later version approved by the KDE Free |
| 29 | ** Qt Foundation. The licenses are as published by the Free Software |
| 30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| 31 | ** included in the packaging of this file. Please review the following |
| 32 | ** information to ensure the GNU General Public License requirements will |
| 33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| 34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
| 35 | ** |
| 36 | ** $QT_END_LICENSE$ |
| 37 | ** |
| 38 | ****************************************************************************/ |
| 39 | |
| 40 | #include "qquickshapesoftwarerenderer_p.h" |
| 41 | #include <private/qquickpath_p_p.h> |
| 42 | |
| 43 | QT_BEGIN_NAMESPACE |
| 44 | |
| 45 | void QQuickShapeSoftwareRenderer::beginSync(int totalCount) |
| 46 | { |
| 47 | if (m_sp.count() != totalCount) { |
| 48 | m_sp.resize(asize: totalCount); |
| 49 | m_accDirty |= DirtyList; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | void QQuickShapeSoftwareRenderer::setPath(int index, const QQuickPath *path) |
| 54 | { |
| 55 | ShapePathGuiData &d(m_sp[index]); |
| 56 | d.path = path ? path->path() : QPainterPath(); |
| 57 | d.dirty |= DirtyPath; |
| 58 | m_accDirty |= DirtyPath; |
| 59 | } |
| 60 | |
| 61 | void QQuickShapeSoftwareRenderer::setStrokeColor(int index, const QColor &color) |
| 62 | { |
| 63 | ShapePathGuiData &d(m_sp[index]); |
| 64 | d.pen.setColor(color); |
| 65 | d.dirty |= DirtyPen; |
| 66 | m_accDirty |= DirtyPen; |
| 67 | } |
| 68 | |
| 69 | void QQuickShapeSoftwareRenderer::setStrokeWidth(int index, qreal w) |
| 70 | { |
| 71 | ShapePathGuiData &d(m_sp[index]); |
| 72 | d.strokeWidth = w; |
| 73 | if (w >= 0.0f) |
| 74 | d.pen.setWidthF(w); |
| 75 | d.dirty |= DirtyPen; |
| 76 | m_accDirty |= DirtyPen; |
| 77 | } |
| 78 | |
| 79 | void QQuickShapeSoftwareRenderer::setFillColor(int index, const QColor &color) |
| 80 | { |
| 81 | ShapePathGuiData &d(m_sp[index]); |
| 82 | d.fillColor = color; |
| 83 | d.brush.setColor(color); |
| 84 | d.dirty |= DirtyBrush; |
| 85 | m_accDirty |= DirtyBrush; |
| 86 | } |
| 87 | |
| 88 | void QQuickShapeSoftwareRenderer::setFillRule(int index, QQuickShapePath::FillRule fillRule) |
| 89 | { |
| 90 | ShapePathGuiData &d(m_sp[index]); |
| 91 | d.fillRule = Qt::FillRule(fillRule); |
| 92 | d.dirty |= DirtyFillRule; |
| 93 | m_accDirty |= DirtyFillRule; |
| 94 | } |
| 95 | |
| 96 | void QQuickShapeSoftwareRenderer::setJoinStyle(int index, QQuickShapePath::JoinStyle joinStyle, int miterLimit) |
| 97 | { |
| 98 | ShapePathGuiData &d(m_sp[index]); |
| 99 | d.pen.setJoinStyle(Qt::PenJoinStyle(joinStyle)); |
| 100 | d.pen.setMiterLimit(miterLimit); |
| 101 | d.dirty |= DirtyPen; |
| 102 | m_accDirty |= DirtyPen; |
| 103 | } |
| 104 | |
| 105 | void QQuickShapeSoftwareRenderer::setCapStyle(int index, QQuickShapePath::CapStyle capStyle) |
| 106 | { |
| 107 | ShapePathGuiData &d(m_sp[index]); |
| 108 | d.pen.setCapStyle(Qt::PenCapStyle(capStyle)); |
| 109 | d.dirty |= DirtyPen; |
| 110 | m_accDirty |= DirtyPen; |
| 111 | } |
| 112 | |
| 113 | void QQuickShapeSoftwareRenderer::setStrokeStyle(int index, QQuickShapePath::StrokeStyle strokeStyle, |
| 114 | qreal dashOffset, const QVector<qreal> &dashPattern) |
| 115 | { |
| 116 | ShapePathGuiData &d(m_sp[index]); |
| 117 | switch (strokeStyle) { |
| 118 | case QQuickShapePath::SolidLine: |
| 119 | d.pen.setStyle(Qt::SolidLine); |
| 120 | break; |
| 121 | case QQuickShapePath::DashLine: |
| 122 | d.pen.setStyle(Qt::CustomDashLine); |
| 123 | d.pen.setDashPattern(dashPattern); |
| 124 | d.pen.setDashOffset(dashOffset); |
| 125 | break; |
| 126 | default: |
| 127 | break; |
| 128 | } |
| 129 | d.dirty |= DirtyPen; |
| 130 | m_accDirty |= DirtyPen; |
| 131 | } |
| 132 | |
| 133 | static inline void setupPainterGradient(QGradient *painterGradient, const QQuickShapeGradient &g) |
| 134 | { |
| 135 | painterGradient->setStops(g.gradientStops()); // sorted |
| 136 | switch (g.spread()) { |
| 137 | case QQuickShapeGradient::PadSpread: |
| 138 | painterGradient->setSpread(QGradient::PadSpread); |
| 139 | break; |
| 140 | case QQuickShapeGradient::RepeatSpread: |
| 141 | painterGradient->setSpread(QGradient::RepeatSpread); |
| 142 | break; |
| 143 | case QQuickShapeGradient::ReflectSpread: |
| 144 | painterGradient->setSpread(QGradient::ReflectSpread); |
| 145 | break; |
| 146 | default: |
| 147 | break; |
| 148 | } |
| 149 | } |
| 150 | |
| 151 | void QQuickShapeSoftwareRenderer::setFillGradient(int index, QQuickShapeGradient *gradient) |
| 152 | { |
| 153 | ShapePathGuiData &d(m_sp[index]); |
| 154 | if (QQuickShapeLinearGradient *g = qobject_cast<QQuickShapeLinearGradient *>(object: gradient)) { |
| 155 | QLinearGradient painterGradient(g->x1(), g->y1(), g->x2(), g->y2()); |
| 156 | setupPainterGradient(painterGradient: &painterGradient, g: *g); |
| 157 | d.brush = QBrush(painterGradient); |
| 158 | } else if (QQuickShapeRadialGradient *g = qobject_cast<QQuickShapeRadialGradient *>(object: gradient)) { |
| 159 | QRadialGradient painterGradient(g->centerX(), g->centerY(), g->centerRadius(), |
| 160 | g->focalX(), g->focalY(), g->focalRadius()); |
| 161 | setupPainterGradient(painterGradient: &painterGradient, g: *g); |
| 162 | d.brush = QBrush(painterGradient); |
| 163 | } else if (QQuickShapeConicalGradient *g = qobject_cast<QQuickShapeConicalGradient *>(object: gradient)) { |
| 164 | QConicalGradient painterGradient(g->centerX(), g->centerY(), g->angle()); |
| 165 | setupPainterGradient(painterGradient: &painterGradient, g: *g); |
| 166 | d.brush = QBrush(painterGradient); |
| 167 | } else { |
| 168 | d.brush = QBrush(d.fillColor); |
| 169 | } |
| 170 | d.dirty |= DirtyBrush; |
| 171 | m_accDirty |= DirtyBrush; |
| 172 | } |
| 173 | |
| 174 | void QQuickShapeSoftwareRenderer::endSync(bool) |
| 175 | { |
| 176 | } |
| 177 | |
| 178 | void QQuickShapeSoftwareRenderer::setNode(QQuickShapeSoftwareRenderNode *node) |
| 179 | { |
| 180 | if (m_node != node) { |
| 181 | m_node = node; |
| 182 | m_accDirty |= DirtyList; |
| 183 | } |
| 184 | } |
| 185 | |
| 186 | void QQuickShapeSoftwareRenderer::updateNode() |
| 187 | { |
| 188 | if (!m_accDirty) |
| 189 | return; |
| 190 | |
| 191 | const int count = m_sp.count(); |
| 192 | const bool listChanged = m_accDirty & DirtyList; |
| 193 | if (listChanged) |
| 194 | m_node->m_sp.resize(asize: count); |
| 195 | |
| 196 | m_node->m_boundingRect = QRectF(); |
| 197 | |
| 198 | for (int i = 0; i < count; ++i) { |
| 199 | ShapePathGuiData &src(m_sp[i]); |
| 200 | QQuickShapeSoftwareRenderNode::ShapePathRenderData &dst(m_node->m_sp[i]); |
| 201 | |
| 202 | if (listChanged || (src.dirty & DirtyPath)) { |
| 203 | dst.path = src.path; |
| 204 | dst.path.setFillRule(src.fillRule); |
| 205 | } |
| 206 | |
| 207 | if (listChanged || (src.dirty & DirtyFillRule)) |
| 208 | dst.path.setFillRule(src.fillRule); |
| 209 | |
| 210 | if (listChanged || (src.dirty & DirtyPen)) { |
| 211 | dst.pen = src.pen; |
| 212 | dst.strokeWidth = src.strokeWidth; |
| 213 | } |
| 214 | |
| 215 | if (listChanged || (src.dirty & DirtyBrush)) |
| 216 | dst.brush = src.brush; |
| 217 | |
| 218 | src.dirty = 0; |
| 219 | |
| 220 | QRectF br = dst.path.boundingRect(); |
| 221 | const float sw = qMax(a: 1.0f, b: dst.strokeWidth); |
| 222 | br.adjust(xp1: -sw, yp1: -sw, xp2: sw, yp2: sw); |
| 223 | m_node->m_boundingRect |= br; |
| 224 | } |
| 225 | |
| 226 | m_node->markDirty(bits: QSGNode::DirtyMaterial); |
| 227 | m_accDirty = 0; |
| 228 | } |
| 229 | |
| 230 | QQuickShapeSoftwareRenderNode::QQuickShapeSoftwareRenderNode(QQuickShape *item) |
| 231 | : m_item(item) |
| 232 | { |
| 233 | } |
| 234 | |
| 235 | QQuickShapeSoftwareRenderNode::~QQuickShapeSoftwareRenderNode() |
| 236 | { |
| 237 | releaseResources(); |
| 238 | } |
| 239 | |
| 240 | void QQuickShapeSoftwareRenderNode::releaseResources() |
| 241 | { |
| 242 | } |
| 243 | |
| 244 | void QQuickShapeSoftwareRenderNode::render(const RenderState *state) |
| 245 | { |
| 246 | if (m_sp.isEmpty()) |
| 247 | return; |
| 248 | |
| 249 | QSGRendererInterface *rif = m_item->window()->rendererInterface(); |
| 250 | QPainter *p = static_cast<QPainter *>(rif->getResource(window: m_item->window(), resource: QSGRendererInterface::PainterResource)); |
| 251 | Q_ASSERT(p); |
| 252 | |
| 253 | const QRegion *clipRegion = state->clipRegion(); |
| 254 | if (clipRegion && !clipRegion->isEmpty()) |
| 255 | p->setClipRegion(*clipRegion, op: Qt::ReplaceClip); // must be done before setTransform |
| 256 | |
| 257 | p->setTransform(transform: matrix()->toTransform()); |
| 258 | p->setOpacity(inheritedOpacity()); |
| 259 | |
| 260 | for (const ShapePathRenderData &d : qAsConst(t&: m_sp)) { |
| 261 | p->setPen(d.strokeWidth >= 0.0f && d.pen.color() != Qt::transparent ? d.pen : Qt::NoPen); |
| 262 | p->setBrush(d.brush.color() != Qt::transparent ? d.brush : Qt::NoBrush); |
| 263 | p->drawPath(path: d.path); |
| 264 | } |
| 265 | } |
| 266 | |
| 267 | QSGRenderNode::StateFlags QQuickShapeSoftwareRenderNode::changedStates() const |
| 268 | { |
| 269 | return {}; |
| 270 | } |
| 271 | |
| 272 | QSGRenderNode::RenderingFlags QQuickShapeSoftwareRenderNode::flags() const |
| 273 | { |
| 274 | return BoundedRectRendering; // avoid fullscreen updates by saying we won't draw outside rect() |
| 275 | } |
| 276 | |
| 277 | QRectF QQuickShapeSoftwareRenderNode::rect() const |
| 278 | { |
| 279 | return m_boundingRect; |
| 280 | } |
| 281 | |
| 282 | QT_END_NAMESPACE |
| 283 | |