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// 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 "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->comparisonKey());
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
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