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-rw-r--r--src/adaptationlayers/default/default_pixmapnode.cpp277
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diff --git a/src/adaptationlayers/default/default_pixmapnode.cpp b/src/adaptationlayers/default/default_pixmapnode.cpp
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--- a/src/adaptationlayers/default/default_pixmapnode.cpp
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-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Qt scene graph research project.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include "adaptationinterfaces.h"
-
-#include "default_pixmapnode.h"
-#include "adaptationlayer.h"
-
-/****************************************************************************
-**
-** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
-** All rights reserved.
-** Contact: Nokia Corporation (qt-info@nokia.com)
-**
-** This file is part of the Qt scene graph research project.
-**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
-** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
-** General Public License version 2.1 as published by the Free Software
-** Foundation and appearing in the file LICENSE.LGPL included in the
-** packaging of this file. Please review the following information to
-** ensure the GNU Lesser General Public License version 2.1 requirements
-** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
-**
-** In addition, as a special exception, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
-** If you have questions regarding the use of this file, please contact
-** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
-** $QT_END_LICENSE$
-**
-****************************************************************************/
-
-#include <qmath.h>
-#include <qvarlengtharray.h>
-
-DefaultPixmapNode::DefaultPixmapNode()
-{
- m_material.setLinearFiltering(m_linear_filtering);
- m_materialO.setLinearFiltering(m_linear_filtering);
- m_materialO.setOpacity(m_opacity);
- setMaterial(&m_material);
-
- updateGeometryDescription(Utilities::getTexturedRectGeometryDescription(), GL_UNSIGNED_SHORT);
-
-#ifdef QML_RUNTIME_TESTING
- description = "pixmap";
-#endif
-}
-
-void DefaultPixmapNode::setRect(const QRectF &rect)
-{
- if (m_rect == rect)
- return;
- m_rect = rect;
- setBoundingRect(rect);
- setUpdateFlag(UpdateGeometry);
-}
-
-void DefaultPixmapNode::setSourceRect(const QRectF &rect)
-{
- if (m_source_rect == rect)
- return;
- m_source_rect = rect;
- setUpdateFlag(UpdateGeometry);
-}
-
-void DefaultPixmapNode::setOpacity(qreal opacity)
-{
- if (m_opacity == opacity)
- return;
- m_materialO.setOpacity(opacity);
- m_opacity = opacity;
- setMaterial(opacity == 1 ? &m_material : &m_materialO); // Indicate that the material state has changed.
-}
-
-void DefaultPixmapNode::setPixmap(const QPixmap &pixmap, bool dynamic)
-{
- if (pixmap.cacheKey() == m_pixmap.cacheKey())
- return;
- m_pixmap = pixmap;
- m_dynamic = dynamic;
- setUpdateFlag(UpdateTexture);
-}
-
-void DefaultPixmapNode::setClampToEdge(bool clampToEdge)
-{
- if (m_clamp_to_edge == clampToEdge)
- return;
- m_clamp_to_edge = clampToEdge;
- setUpdateFlag(UpdateTexture);
-}
-
-void DefaultPixmapNode::setLinearFiltering(bool linearFiltering)
-{
- if (m_linear_filtering == linearFiltering)
- return;
- m_material.setLinearFiltering(linearFiltering);
- m_materialO.setLinearFiltering(linearFiltering);
- m_linear_filtering = linearFiltering;
- setMaterial(m_opacity == 1 ? &m_material : &m_materialO); // Indicate that the material state has changed.
-}
-
-void DefaultPixmapNode::update(uint updateFlags)
-{
- if (updateFlags & UpdateTexture)
- updateTexture();
- // A texture update causes the source rectangle to change, so update geometry too.
- if (updateFlags & (UpdateTexture | UpdateGeometry))
- updateGeometry();
-}
-
-void DefaultPixmapNode::updateGeometry()
-{
- if (m_source_rect.isEmpty())
- m_source_rect = m_pixmap.rect();
-
- Geometry *g = geometry();
-
- QRectF normalizedSource(0, 0, 1, 1);
- if (!m_pixmap.isNull()) {
- normalizedSource = QRectF(m_source_rect.left() / m_pixmap.width(), m_source_rect.top() / m_pixmap.height(),
- m_source_rect.width() / m_pixmap.width(), m_source_rect.height() / m_pixmap.height());
- }
-
- QVarLengthArray<qreal> xSrc, xDst;
- xSrc.append(normalizedSource.left());
- xDst.append(m_rect.left());
- if (!m_texture.isNull() && !m_texture->hasOwnTexture()) {
- for (int i = qFloor(normalizedSource.left()) + 1; i <= qCeil(normalizedSource.right()) - 1; ++i) {
- xSrc.append(i);
- xDst.append(m_rect.left() + m_rect.width() * (i - normalizedSource.left()) / normalizedSource.width());
- }
- }
- xSrc.append(normalizedSource.right());
- xDst.append(m_rect.right());
-
- QVarLengthArray<qreal> ySrc, yDst;
- ySrc.append(normalizedSource.top());
- yDst.append(m_rect.top());
- if (!m_texture.isNull() && !m_texture->hasOwnTexture()) {
- for (int i = qFloor(normalizedSource.top()) + 1; i <= qCeil(normalizedSource.bottom()) - 1; ++i) {
- ySrc.append(i);
- yDst.append(m_rect.top() + m_rect.height() * (i - normalizedSource.top()) / normalizedSource.height());
- }
- }
- ySrc.append(normalizedSource.bottom());
- yDst.append(m_rect.bottom());
-
- if (xSrc.size() == 2 && ySrc.size() == 2) {
- g->setDrawingMode(QGL::TriangleStrip);
- g->setVertexCount(4);
- if (!m_clamp_to_edge) {
- g->setIndexCount(4);
- for (int i=0; i<4; ++i)
- g->ushortIndexData()[i] = i;
- }
- } else {
- g->setDrawingMode(QGL::Triangles);
- int cellCount = (xSrc.size() - 1) * (ySrc.size() - 1);
- int vertexCount = cellCount * 4; // Four vertices per grid cell.
- if (vertexCount > 0x10000)
- qWarning("QxPixmapNode::updateGeometry: Number of vertices exceeds 65536.");
- g->setVertexCount(vertexCount);
-
- if (!m_clamp_to_edge) {
- int indexCount = cellCount * 6; // Six indices per grid cell.
- g->setIndexCount(indexCount);
-
- for (int i = 0; i < cellCount; ++i) {
- g->ushortIndexData()[6 * i + 0] = i * 4 + 0;
- g->ushortIndexData()[6 * i + 1] = i * 4 + 1;
- g->ushortIndexData()[6 * i + 2] = i * 4 + 3;
- g->ushortIndexData()[6 * i + 3] = i * 4 + 3;
- g->ushortIndexData()[6 * i + 4] = i * 4 + 2;
- g->ushortIndexData()[6 * i + 5] = i * 4 + 0;
- }
- }
- }
-
- struct V {
- float x, y, tx, ty;
- };
-
- V *v = (V *) g->vertexData();
-
- qreal xSrcOffset = qFloor(normalizedSource.left());
- qreal ySrcOffset = qFloor(normalizedSource.top());
- QRectF texSrcRect;
- if (!m_texture.isNull())
- texSrcRect = m_texture->sourceRect();
-
- for (int j = 0; j < ySrc.size() - 1; ++j) {
- for (int i = 0; i < xSrc.size() - 1; ++i) {
- v[0].x = v[1].x = xDst.at(i);
- v[2].x = v[3].x = xDst.at(i + 1);
- v[0].y = v[2].y = yDst.at(j);
- v[1].y = v[3].y = yDst.at(j + 1);
-
- QRectF src(texSrcRect.x() + (xSrc.at(i) - i - xSrcOffset) * texSrcRect.width(),
- texSrcRect.y() + (ySrc.at(j) - j - ySrcOffset) * texSrcRect.height(),
- (xSrc.at(i + 1) - xSrc.at(i)) * texSrcRect.width(),
- (ySrc.at(j + 1) - ySrc.at(j)) * texSrcRect.height());
-
- v[0].tx = v[1].tx = src.left();
- v[2].tx = v[3].tx = src.right();
- v[0].ty = v[2].ty = src.top();
- v[1].ty = v[3].ty = src.bottom();
- v += 4;
- }
- }
-
- markDirty(DirtyGeometry);
-}
-
-void DefaultPixmapNode::updateTexture()
-{
- m_texture = Utilities::getTextureForPixmap(m_pixmap, m_clamp_to_edge, m_dynamic);
- bool opaque = !m_pixmap.hasAlphaChannel();
- m_material.setTexture(m_texture->texture(), opaque);
- m_materialO.setTexture(m_texture->texture(), opaque);
- setMaterial(m_opacity == 1 ? &m_material : &m_materialO); // Indicate that the material state has changed.
-}
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