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Diffstat (limited to 'src/quick/scenegraph/adaptations/software/qsgsoftwareinternalimagenode.cpp')
| -rw-r--r-- | src/quick/scenegraph/adaptations/software/qsgsoftwareinternalimagenode.cpp | 501 |
1 files changed, 501 insertions, 0 deletions
diff --git a/src/quick/scenegraph/adaptations/software/qsgsoftwareinternalimagenode.cpp b/src/quick/scenegraph/adaptations/software/qsgsoftwareinternalimagenode.cpp new file mode 100644 index 0000000000..10291b9cb5 --- /dev/null +++ b/src/quick/scenegraph/adaptations/software/qsgsoftwareinternalimagenode.cpp @@ -0,0 +1,501 @@ +/**************************************************************************** +** +** 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 "qsgsoftwareinternalimagenode_p.h" + +#include "qsgsoftwarepixmaptexture_p.h" +#include "qsgsoftwarelayer_p.h" +#include <QPainter> +#include <qmath.h> + +QT_BEGIN_NAMESPACE + +namespace QSGSoftwareHelpers { +// Helper from widgets/styles/qdrawutil.cpp + +static inline QMargins normalizedMargins(const QMargins &m) +{ + return QMargins(qMax(m.left(), 0), qMax(m.top(), 0), qMax(m.right(), 0), qMax(m.bottom(), 0)); +} + +void qDrawBorderPixmap(QPainter *painter, const QRect &targetRect, const QMargins &targetMarginsIn, + const QPixmap &pixmap, const QRect &sourceRect, const QMargins &sourceMarginsIn, + const QTileRules &rules, QDrawBorderPixmap::DrawingHints hints) +{ + QPainter::PixmapFragment d; + d.opacity = 1.0; + d.rotation = 0.0; + + QPixmapFragmentsArray opaqueData; + QPixmapFragmentsArray translucentData; + + QMargins sourceMargins = normalizedMargins(sourceMarginsIn); + QMargins targetMargins = normalizedMargins(targetMarginsIn); + + // source center + const int sourceCenterTop = sourceRect.top() + sourceMargins.top(); + const int sourceCenterLeft = sourceRect.left() + sourceMargins.left(); + const int sourceCenterBottom = sourceRect.bottom() - sourceMargins.bottom() + 1; + const int sourceCenterRight = sourceRect.right() - sourceMargins.right() + 1; + const int sourceCenterWidth = sourceCenterRight - sourceCenterLeft; + const int sourceCenterHeight = sourceCenterBottom - sourceCenterTop; + // target center + const int targetCenterTop = targetRect.top() + targetMargins.top(); + const int targetCenterLeft = targetRect.left() + targetMargins.left(); + const int targetCenterBottom = targetRect.bottom() - targetMargins.bottom() + 1; + const int targetCenterRight = targetRect.right() - targetMargins.right() + 1; + const int targetCenterWidth = targetCenterRight - targetCenterLeft; + const int targetCenterHeight = targetCenterBottom - targetCenterTop; + + QVarLengthArray<qreal, 16> xTarget; // x-coordinates of target rectangles + QVarLengthArray<qreal, 16> yTarget; // y-coordinates of target rectangles + + int columns = 3; + int rows = 3; + if (rules.horizontal != Qt::StretchTile && sourceCenterWidth != 0) + columns = qMax(3, 2 + qCeil(targetCenterWidth / qreal(sourceCenterWidth))); + if (rules.vertical != Qt::StretchTile && sourceCenterHeight != 0) + rows = qMax(3, 2 + qCeil(targetCenterHeight / qreal(sourceCenterHeight))); + + xTarget.resize(columns + 1); + yTarget.resize(rows + 1); + + bool oldAA = painter->testRenderHint(QPainter::Antialiasing); + if (painter->paintEngine()->type() != QPaintEngine::OpenGL + && painter->paintEngine()->type() != QPaintEngine::OpenGL2 + && oldAA && painter->combinedTransform().type() != QTransform::TxNone) { + painter->setRenderHint(QPainter::Antialiasing, false); + } + + xTarget[0] = targetRect.left(); + xTarget[1] = targetCenterLeft; + xTarget[columns - 1] = targetCenterRight; + xTarget[columns] = targetRect.left() + targetRect.width(); + + yTarget[0] = targetRect.top(); + yTarget[1] = targetCenterTop; + yTarget[rows - 1] = targetCenterBottom; + yTarget[rows] = targetRect.top() + targetRect.height(); + + qreal dx = targetCenterWidth; + qreal dy = targetCenterHeight; + + switch (rules.horizontal) { + case Qt::StretchTile: + dx = targetCenterWidth; + break; + case Qt::RepeatTile: + dx = sourceCenterWidth; + break; + case Qt::RoundTile: + dx = targetCenterWidth / qreal(columns - 2); + break; + } + + for (int i = 2; i < columns - 1; ++i) + xTarget[i] = xTarget[i - 1] + dx; + + switch (rules.vertical) { + case Qt::StretchTile: + dy = targetCenterHeight; + break; + case Qt::RepeatTile: + dy = sourceCenterHeight; + break; + case Qt::RoundTile: + dy = targetCenterHeight / qreal(rows - 2); + break; + } + + for (int i = 2; i < rows - 1; ++i) + yTarget[i] = yTarget[i - 1] + dy; + + // corners + if (targetMargins.top() > 0 && targetMargins.left() > 0 && sourceMargins.top() > 0 && sourceMargins.left() > 0) { // top left + d.x = (0.5 * (xTarget[1] + xTarget[0])); + d.y = (0.5 * (yTarget[1] + yTarget[0])); + d.sourceLeft = sourceRect.left(); + d.sourceTop = sourceRect.top(); + d.width = sourceMargins.left(); + d.height = sourceMargins.top(); + d.scaleX = qreal(xTarget[1] - xTarget[0]) / d.width; + d.scaleY = qreal(yTarget[1] - yTarget[0]) / d.height; + if (hints & QDrawBorderPixmap::OpaqueTopLeft) + opaqueData.append(d); + else + translucentData.append(d); + } + if (targetMargins.top() > 0 && targetMargins.right() > 0 && sourceMargins.top() > 0 && sourceMargins.right() > 0) { // top right + d.x = (0.5 * (xTarget[columns] + xTarget[columns - 1])); + d.y = (0.5 * (yTarget[1] + yTarget[0])); + d.sourceLeft = sourceCenterRight; + d.sourceTop = sourceRect.top(); + d.width = sourceMargins.right(); + d.height = sourceMargins.top(); + d.scaleX = qreal(xTarget[columns] - xTarget[columns - 1]) / d.width; + d.scaleY = qreal(yTarget[1] - yTarget[0]) / d.height; + if (hints & QDrawBorderPixmap::OpaqueTopRight) + opaqueData.append(d); + else + translucentData.append(d); + } + if (targetMargins.bottom() > 0 && targetMargins.left() > 0 && sourceMargins.bottom() > 0 && sourceMargins.left() > 0) { // bottom left + d.x = (0.5 * (xTarget[1] + xTarget[0])); + d.y =(0.5 * (yTarget[rows] + yTarget[rows - 1])); + d.sourceLeft = sourceRect.left(); + d.sourceTop = sourceCenterBottom; + d.width = sourceMargins.left(); + d.height = sourceMargins.bottom(); + d.scaleX = qreal(xTarget[1] - xTarget[0]) / d.width; + d.scaleY = qreal(yTarget[rows] - yTarget[rows - 1]) / d.height; + if (hints & QDrawBorderPixmap::OpaqueBottomLeft) + opaqueData.append(d); + else + translucentData.append(d); + } + if (targetMargins.bottom() > 0 && targetMargins.right() > 0 && sourceMargins.bottom() > 0 && sourceMargins.right() > 0) { // bottom right + d.x = (0.5 * (xTarget[columns] + xTarget[columns - 1])); + d.y = (0.5 * (yTarget[rows] + yTarget[rows - 1])); + d.sourceLeft = sourceCenterRight; + d.sourceTop = sourceCenterBottom; + d.width = sourceMargins.right(); + d.height = sourceMargins.bottom(); + d.scaleX = qreal(xTarget[columns] - xTarget[columns - 1]) / d.width; + d.scaleY = qreal(yTarget[rows] - yTarget[rows - 1]) / d.height; + if (hints & QDrawBorderPixmap::OpaqueBottomRight) + opaqueData.append(d); + else + translucentData.append(d); + } + + // horizontal edges + if (targetCenterWidth > 0 && sourceCenterWidth > 0) { + if (targetMargins.top() > 0 && sourceMargins.top() > 0) { // top + QPixmapFragmentsArray &data = hints & QDrawBorderPixmap::OpaqueTop ? opaqueData : translucentData; + d.sourceLeft = sourceCenterLeft; + d.sourceTop = sourceRect.top(); + d.width = sourceCenterWidth; + d.height = sourceMargins.top(); + d.y = (0.5 * (yTarget[1] + yTarget[0])); + d.scaleX = dx / d.width; + d.scaleY = qreal(yTarget[1] - yTarget[0]) / d.height; + for (int i = 1; i < columns - 1; ++i) { + d.x = (0.5 * (xTarget[i + 1] + xTarget[i])); + data.append(d); + } + if (rules.horizontal == Qt::RepeatTile) + data[data.size() - 1].width = ((xTarget[columns - 1] - xTarget[columns - 2]) / d.scaleX); + } + if (targetMargins.bottom() > 0 && sourceMargins.bottom() > 0) { // bottom + QPixmapFragmentsArray &data = hints & QDrawBorderPixmap::OpaqueBottom ? opaqueData : translucentData; + d.sourceLeft = sourceCenterLeft; + d.sourceTop = sourceCenterBottom; + d.width = sourceCenterWidth; + d.height = sourceMargins.bottom(); + d.y = (0.5 * (yTarget[rows] + yTarget[rows - 1])); + d.scaleX = dx / d.width; + d.scaleY = qreal(yTarget[rows] - yTarget[rows - 1]) / d.height; + for (int i = 1; i < columns - 1; ++i) { + d.x = (0.5 * (xTarget[i + 1] + xTarget[i])); + data.append(d); + } + if (rules.horizontal == Qt::RepeatTile) + data[data.size() - 1].width = ((xTarget[columns - 1] - xTarget[columns - 2]) / d.scaleX); + } + } + + // vertical edges + if (targetCenterHeight > 0 && sourceCenterHeight > 0) { + if (targetMargins.left() > 0 && sourceMargins.left() > 0) { // left + QPixmapFragmentsArray &data = hints & QDrawBorderPixmap::OpaqueLeft ? opaqueData : translucentData; + d.sourceLeft = sourceRect.left(); + d.sourceTop = sourceCenterTop; + d.width = sourceMargins.left(); + d.height = sourceCenterHeight; + d.x = (0.5 * (xTarget[1] + xTarget[0])); + d.scaleX = qreal(xTarget[1] - xTarget[0]) / d.width; + d.scaleY = dy / d.height; + for (int i = 1; i < rows - 1; ++i) { + d.y = (0.5 * (yTarget[i + 1] + yTarget[i])); + data.append(d); + } + if (rules.vertical == Qt::RepeatTile) + data[data.size() - 1].height = ((yTarget[rows - 1] - yTarget[rows - 2]) / d.scaleY); + } + if (targetMargins.right() > 0 && sourceMargins.right() > 0) { // right + QPixmapFragmentsArray &data = hints & QDrawBorderPixmap::OpaqueRight ? opaqueData : translucentData; + d.sourceLeft = sourceCenterRight; + d.sourceTop = sourceCenterTop; + d.width = sourceMargins.right(); + d.height = sourceCenterHeight; + d.x = (0.5 * (xTarget[columns] + xTarget[columns - 1])); + d.scaleX = qreal(xTarget[columns] - xTarget[columns - 1]) / d.width; + d.scaleY = dy / d.height; + for (int i = 1; i < rows - 1; ++i) { + d.y = (0.5 * (yTarget[i + 1] + yTarget[i])); + data.append(d); + } + if (rules.vertical == Qt::RepeatTile) + data[data.size() - 1].height = ((yTarget[rows - 1] - yTarget[rows - 2]) / d.scaleY); + } + } + + // center + if (targetCenterWidth > 0 && targetCenterHeight > 0 && sourceCenterWidth > 0 && sourceCenterHeight > 0) { + QPixmapFragmentsArray &data = hints & QDrawBorderPixmap::OpaqueCenter ? opaqueData : translucentData; + d.sourceLeft = sourceCenterLeft; + d.sourceTop = sourceCenterTop; + d.width = sourceCenterWidth; + d.height = sourceCenterHeight; + d.scaleX = dx / d.width; + d.scaleY = dy / d.height; + + qreal repeatWidth = (xTarget[columns - 1] - xTarget[columns - 2]) / d.scaleX; + qreal repeatHeight = (yTarget[rows - 1] - yTarget[rows - 2]) / d.scaleY; + + for (int j = 1; j < rows - 1; ++j) { + d.y = (0.5 * (yTarget[j + 1] + yTarget[j])); + for (int i = 1; i < columns - 1; ++i) { + d.x = (0.5 * (xTarget[i + 1] + xTarget[i])); + data.append(d); + } + if (rules.horizontal == Qt::RepeatTile) + data[data.size() - 1].width = repeatWidth; + } + if (rules.vertical == Qt::RepeatTile) { + for (int i = 1; i < columns - 1; ++i) + data[data.size() - i].height = repeatHeight; + } + } + + if (opaqueData.size()) + painter->drawPixmapFragments(opaqueData.data(), opaqueData.size(), pixmap, QPainter::OpaqueHint); + if (translucentData.size()) + painter->drawPixmapFragments(translucentData.data(), translucentData.size(), pixmap); + + if (oldAA) + painter->setRenderHint(QPainter::Antialiasing, true); +} + +} // QSGSoftwareHelpers namespace + +QSGSoftwareInternalImageNode::QSGSoftwareInternalImageNode() + : m_innerSourceRect(0, 0, 1, 1) + , m_subSourceRect(0, 0, 1, 1) + , m_texture(0) + , m_mirror(false) + , m_smooth(true) + , m_tileHorizontal(false) + , m_tileVertical(false) + , m_cachedMirroredPixmapIsDirty(false) +{ + setMaterial((QSGMaterial*)1); + setGeometry((QSGGeometry*)1); +} + + +void QSGSoftwareInternalImageNode::setTargetRect(const QRectF &rect) +{ + if (rect == m_targetRect) + return; + m_targetRect = rect; + markDirty(DirtyGeometry); +} + +void QSGSoftwareInternalImageNode::setInnerTargetRect(const QRectF &rect) +{ + if (rect == m_innerTargetRect) + return; + m_innerTargetRect = rect; + markDirty(DirtyGeometry); +} + +void QSGSoftwareInternalImageNode::setInnerSourceRect(const QRectF &rect) +{ + if (rect == m_innerSourceRect) + return; + m_innerSourceRect = rect; + markDirty(DirtyGeometry); +} + +void QSGSoftwareInternalImageNode::setSubSourceRect(const QRectF &rect) +{ + if (rect == m_subSourceRect) + return; + m_subSourceRect = rect; + markDirty(DirtyGeometry); +} + +void QSGSoftwareInternalImageNode::setTexture(QSGTexture *texture) +{ + m_texture = texture; + m_cachedMirroredPixmapIsDirty = true; + markDirty(DirtyMaterial); +} + +void QSGSoftwareInternalImageNode::setMirror(bool mirror) +{ + if (m_mirror != mirror) { + m_mirror = mirror; + m_cachedMirroredPixmapIsDirty = true; + markDirty(DirtyMaterial); + } +} + +void QSGSoftwareInternalImageNode::setMipmapFiltering(QSGTexture::Filtering /*filtering*/) +{ +} + +void QSGSoftwareInternalImageNode::setFiltering(QSGTexture::Filtering filtering) +{ + bool smooth = (filtering == QSGTexture::Linear); + if (smooth == m_smooth) + return; + + m_smooth = smooth; + markDirty(DirtyMaterial); +} + +void QSGSoftwareInternalImageNode::setHorizontalWrapMode(QSGTexture::WrapMode wrapMode) +{ + bool tileHorizontal = (wrapMode == QSGTexture::Repeat); + if (tileHorizontal == m_tileHorizontal) + return; + + m_tileHorizontal = tileHorizontal; + markDirty(DirtyMaterial); +} + +void QSGSoftwareInternalImageNode::setVerticalWrapMode(QSGTexture::WrapMode wrapMode) +{ + bool tileVertical = (wrapMode == QSGTexture::Repeat); + if (tileVertical == m_tileVertical) + return; + + m_tileVertical = (wrapMode == QSGTexture::Repeat); + markDirty(DirtyMaterial); +} + +void QSGSoftwareInternalImageNode::update() +{ + if (m_cachedMirroredPixmapIsDirty) { + if (m_mirror) { + m_cachedMirroredPixmap = pixmap().transformed(QTransform(-1, 0, 0, 1, 0, 0)); + } else { + //Cleanup cached pixmap if necessary + if (!m_cachedMirroredPixmap.isNull()) + m_cachedMirroredPixmap = QPixmap(); + } + m_cachedMirroredPixmapIsDirty = false; + } +} + +void QSGSoftwareInternalImageNode::preprocess() +{ + bool doDirty = false; + QSGLayer *t = qobject_cast<QSGLayer *>(m_texture); + if (t) { + doDirty = t->updateTexture(); + markDirty(DirtyGeometry); + } + if (doDirty) + markDirty(DirtyMaterial); +} + +static Qt::TileRule getTileRule(qreal factor) +{ + int ifactor = qRound(factor); + if (qFuzzyCompare(factor, ifactor )) { + if (ifactor == 1 || ifactor == 0) + return Qt::StretchTile; + return Qt::RoundTile; + } + return Qt::RepeatTile; +} + + +void QSGSoftwareInternalImageNode::paint(QPainter *painter) +{ + painter->setRenderHint(QPainter::SmoothPixmapTransform, m_smooth); + + const QPixmap &pm = m_mirror ? m_cachedMirroredPixmap : pixmap(); + + if (m_innerTargetRect != m_targetRect) { + // border image + QMargins margins(m_innerTargetRect.left() - m_targetRect.left(), m_innerTargetRect.top() - m_targetRect.top(), + m_targetRect.right() - m_innerTargetRect.right(), m_targetRect.bottom() - m_innerTargetRect.bottom()); + QSGSoftwareHelpers::QTileRules tilerules(getTileRule(m_subSourceRect.width()), getTileRule(m_subSourceRect.height())); + QSGSoftwareHelpers::qDrawBorderPixmap(painter, m_targetRect.toRect(), margins, pm, QRect(0, 0, pm.width(), pm.height()), + margins, tilerules, QSGSoftwareHelpers::QDrawBorderPixmap::DrawingHints(0)); + return; + } + + if (m_tileHorizontal || m_tileVertical) { + painter->save(); + qreal sx = m_targetRect.width()/(m_subSourceRect.width()*pm.width()); + qreal sy = m_targetRect.height()/(m_subSourceRect.height()*pm.height()); + QMatrix transform(sx, 0, 0, sy, 0, 0); + painter->setMatrix(transform, true); + painter->drawTiledPixmap(QRectF(m_targetRect.x()/sx, m_targetRect.y()/sy, m_targetRect.width()/sx, m_targetRect.height()/sy), + pm, + QPointF(m_subSourceRect.left()*pm.width(), m_subSourceRect.top()*pm.height())); + painter->restore(); + } else { + QRectF sr(m_subSourceRect.left()*pm.width(), m_subSourceRect.top()*pm.height(), + m_subSourceRect.width()*pm.width(), m_subSourceRect.height()*pm.height()); + painter->drawPixmap(m_targetRect, pm, sr); + } +} + +QRectF QSGSoftwareInternalImageNode::rect() const +{ + return m_targetRect; +} + +const QPixmap &QSGSoftwareInternalImageNode::pixmap() const +{ + if (QSGSoftwarePixmapTexture *pt = qobject_cast<QSGSoftwarePixmapTexture*>(m_texture)) { + return pt->pixmap(); + } else { + QSGSoftwareLayer *layer = qobject_cast<QSGSoftwareLayer*>(m_texture); + return layer->pixmap(); + } +} + +QT_END_NAMESPACE |