diff options
Diffstat (limited to 'src/plugins/scenegraph/openvg/qsgopenvginternalimagenode.cpp')
| -rw-r--r-- | src/plugins/scenegraph/openvg/qsgopenvginternalimagenode.cpp | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/src/plugins/scenegraph/openvg/qsgopenvginternalimagenode.cpp b/src/plugins/scenegraph/openvg/qsgopenvginternalimagenode.cpp new file mode 100644 index 0000000000..3dd1f9133c --- /dev/null +++ b/src/plugins/scenegraph/openvg/qsgopenvginternalimagenode.cpp @@ -0,0 +1,239 @@ +/**************************************************************************** +** +** 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 "qsgopenvginternalimagenode.h" +#include "qsgopenvghelpers.h" + +#include <VG/openvg.h> + +QT_BEGIN_NAMESPACE + +QSGOpenVGInternalImageNode::QSGOpenVGInternalImageNode() +{ + // Set Dummy material and geometry to avoid asserts + setMaterial((QSGMaterial*)1); + setGeometry((QSGGeometry*)1); +} + +QSGOpenVGInternalImageNode::~QSGOpenVGInternalImageNode() +{ + if (m_subSourceRectImage != 0) + vgDestroyImage(m_subSourceRectImage); +} + +void QSGOpenVGInternalImageNode::render() +{ + if (!m_texture) { + return; + } + + // Set Draw Mode + if (opacity() < 1.0) { + //Transparent + vgSetPaint(opacityPaint(), VG_FILL_PATH); + vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_MULTIPLY); + } else { + vgSeti(VG_IMAGE_MODE, VG_DRAW_IMAGE_NORMAL); + } + + // Set Transform + vgSeti(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE); + vgLoadMatrix(transform().constData()); + + VGImage image = static_cast<VGImage>(m_texture->textureId()); + QSize textureSize = m_texture->textureSize(); + + if (image == VG_INVALID_HANDLE || !textureSize.isValid()) + return; + + + // If Mirrored + if (m_mirror) { + vgTranslate(m_targetRect.width(), 0.0f); + vgScale(-1.0, 1.0); + } + + if (m_smooth) + vgSeti(VG_IMAGE_QUALITY, VG_IMAGE_QUALITY_BETTER); + else + vgSeti(VG_IMAGE_QUALITY, VG_IMAGE_QUALITY_NONANTIALIASED); + + + if (m_innerTargetRect != m_targetRect) { + // border image + QSGOpenVGHelpers::qDrawBorderImage(image, textureSize, m_targetRect, m_innerTargetRect, m_subSourceRect); + } else if (m_tileHorizontal || m_tileVertical) { + // Tilled Image + + float sx = m_targetRect.width() / (m_subSourceRect.width() * textureSize.width()); + float sy = m_targetRect.height() / (m_subSourceRect.height() * textureSize.height()); + QPointF offset(m_subSourceRect.left() * textureSize.width(), m_subSourceRect.top() * textureSize.height()); + + QSGOpenVGHelpers::qDrawTiled(image, textureSize, m_targetRect, offset, sx, sy); + + } else { + // Regular BLIT + + QRectF sr(m_subSourceRect.left() * textureSize.width(), m_subSourceRect.top() * textureSize.height(), + m_subSourceRect.width() * textureSize.width(), m_subSourceRect.height() * textureSize.height()); + + if (m_subSourceRectImageDirty) { + if (m_subSourceRectImage != 0) + vgDestroyImage(m_subSourceRectImage); + m_subSourceRectImage = vgChildImage(image, sr.x(), sr.y(), sr.width(), sr.height()); + m_subSourceRectImageDirty = false; + } + + // If the the source rect is the same as the target rect + if (sr == m_targetRect) { + vgDrawImage(image); + } else { + // Scale + float scaleX = m_targetRect.width() / sr.width(); + float scaleY = m_targetRect.height() / sr.height(); + vgTranslate(m_targetRect.x(), m_targetRect.y()); + vgScale(scaleX, scaleY); + vgDrawImage(m_subSourceRectImage); + } + } +} + +void QSGOpenVGInternalImageNode::setTargetRect(const QRectF &rect) +{ + if (rect == m_targetRect) + return; + m_targetRect = rect; + markDirty(DirtyGeometry); +} + +void QSGOpenVGInternalImageNode::setInnerTargetRect(const QRectF &rect) +{ + if (rect == m_innerTargetRect) + return; + m_innerTargetRect = rect; + markDirty(DirtyGeometry); +} + +void QSGOpenVGInternalImageNode::setInnerSourceRect(const QRectF &rect) +{ + if (rect == m_innerSourceRect) + return; + m_innerSourceRect = rect; + markDirty(DirtyGeometry); +} + +void QSGOpenVGInternalImageNode::setSubSourceRect(const QRectF &rect) +{ + if (rect == m_subSourceRect) + return; + m_subSourceRect = rect; + m_subSourceRectImageDirty = true; + markDirty(DirtyGeometry); +} + +void QSGOpenVGInternalImageNode::setTexture(QSGTexture *texture) +{ + m_texture = texture; + m_subSourceRectImageDirty = true; + markDirty(DirtyMaterial); +} + +void QSGOpenVGInternalImageNode::setMirror(bool mirror) +{ + if (m_mirror != mirror) { + m_mirror = mirror; + markDirty(DirtyMaterial); + } +} + +void QSGOpenVGInternalImageNode::setMipmapFiltering(QSGTexture::Filtering) +{ +} + +void QSGOpenVGInternalImageNode::setFiltering(QSGTexture::Filtering filtering) +{ + bool smooth = (filtering == QSGTexture::Linear); + if (smooth == m_smooth) + return; + + m_smooth = smooth; + markDirty(DirtyMaterial); +} + +void QSGOpenVGInternalImageNode::setHorizontalWrapMode(QSGTexture::WrapMode wrapMode) +{ + bool tileHorizontal = (wrapMode == QSGTexture::Repeat); + if (tileHorizontal == m_tileHorizontal) + return; + + m_tileHorizontal = tileHorizontal; + markDirty(DirtyMaterial); +} + +void QSGOpenVGInternalImageNode::setVerticalWrapMode(QSGTexture::WrapMode wrapMode) +{ + bool tileVertical = (wrapMode == QSGTexture::Repeat); + if (tileVertical == m_tileVertical) + return; + + m_tileVertical = (wrapMode == QSGTexture::Repeat); + markDirty(DirtyMaterial); +} + +void QSGOpenVGInternalImageNode::update() +{ +} + +void QSGOpenVGInternalImageNode::preprocess() +{ + bool doDirty = false; + QSGLayer *t = qobject_cast<QSGLayer *>(m_texture); + if (t) { + doDirty = t->updateTexture(); + markDirty(DirtyGeometry); + } + if (doDirty) + markDirty(DirtyMaterial); +} + +QT_END_NAMESPACE + + + + |