diff options
Diffstat (limited to 'src/declarative/scenegraph/qsgdefaultglyphnode_p.cpp')
| -rw-r--r-- | src/declarative/scenegraph/qsgdefaultglyphnode_p.cpp | 306 |
1 files changed, 0 insertions, 306 deletions
diff --git a/src/declarative/scenegraph/qsgdefaultglyphnode_p.cpp b/src/declarative/scenegraph/qsgdefaultglyphnode_p.cpp deleted file mode 100644 index 3476ab1665..0000000000 --- a/src/declarative/scenegraph/qsgdefaultglyphnode_p.cpp +++ /dev/null @@ -1,306 +0,0 @@ -/**************************************************************************** -** -** 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 QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU General -** Public License version 3.0 as published by the Free Software Foundation -** and appearing in the file LICENSE.GPL included in the packaging of this -** file. Please review the following information to ensure the GNU General -** Public License version 3.0 requirements will be met: -** http://www.gnu.org/copyleft/gpl.html. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qsgdefaultglyphnode_p_p.h" - -#include <qopenglshaderprogram.h> - -#include <QtGui/private/qopengltextureglyphcache_p.h> -#include <private/qfontengine_p.h> -#include <private/qopenglextensions_p.h> - -#include <private/qsgtexture_p.h> - -#include <private/qrawfont_p.h> - -QT_BEGIN_NAMESPACE - -class QSGTextMaskMaterialData : public QSGMaterialShader -{ -public: - QSGTextMaskMaterialData(); - - virtual void updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect); - virtual char const *const *attributeNames() const; -private: - virtual void initialize(); - virtual const char *vertexShader() const; - virtual const char *fragmentShader() const; - - int m_matrix_id; - int m_color_id; - int m_textureScale_id; -}; - -const char *QSGTextMaskMaterialData::vertexShader() const { - return - "uniform highp mat4 matrix; \n" - "uniform highp vec2 textureScale; \n" - "attribute highp vec4 vCoord; \n" - "attribute highp vec2 tCoord; \n" - "varying highp vec2 sampleCoord; \n" - "void main() { \n" - " sampleCoord = tCoord * textureScale; \n" - " gl_Position = matrix * vCoord; \n" - "}"; -} - -const char *QSGTextMaskMaterialData::fragmentShader() const { - return - "varying highp vec2 sampleCoord; \n" - "uniform sampler2D texture; \n" - "uniform lowp vec4 color; \n" - "void main() { \n" - " gl_FragColor = color * texture2D(texture, sampleCoord).a; \n" - "}"; -} - -char const *const *QSGTextMaskMaterialData::attributeNames() const -{ - static char const *const attr[] = { "vCoord", "tCoord", 0 }; - return attr; -} - -QSGTextMaskMaterialData::QSGTextMaskMaterialData() -{ -} - -void QSGTextMaskMaterialData::initialize() -{ - m_matrix_id = program()->uniformLocation("matrix"); - m_color_id = program()->uniformLocation("color"); - m_textureScale_id = program()->uniformLocation("textureScale"); -} - -void QSGTextMaskMaterialData::updateState(const RenderState &state, QSGMaterial *newEffect, QSGMaterial *oldEffect) -{ - Q_ASSERT(oldEffect == 0 || newEffect->type() == oldEffect->type()); - QSGTextMaskMaterial *material = static_cast<QSGTextMaskMaterial *>(newEffect); - QSGTextMaskMaterial *oldMaterial = static_cast<QSGTextMaskMaterial *>(oldEffect); - - if (oldMaterial == 0 || material->color() != oldMaterial->color() || state.isOpacityDirty()) { - QVector4D color(material->color().redF(), material->color().greenF(), - material->color().blueF(), material->color().alphaF()); - color *= state.opacity(); - program()->setUniformValue(m_color_id, color); - } - - bool updated = material->ensureUpToDate(); - Q_ASSERT(material->texture()); - - Q_ASSERT(oldMaterial == 0 || oldMaterial->texture()); - if (updated - || oldMaterial == 0 - || oldMaterial->texture()->textureId() != material->texture()->textureId()) { - program()->setUniformValue(m_textureScale_id, QVector2D(1.0 / material->cacheTextureWidth(), - 1.0 / material->cacheTextureHeight())); - glBindTexture(GL_TEXTURE_2D, material->texture()->textureId()); - - // Set the mag/min filters to be linear. We only need to do this when the texture - // has been recreated. - if (updated) { - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - } - } - - if (state.isMatrixDirty()) - program()->setUniformValue(m_matrix_id, state.combinedMatrix()); -} - -QSGTextMaskMaterial::QSGTextMaskMaterial(const QRawFont &font) - : m_texture(0), m_glyphCache(), m_font(font) -{ - init(); -} - -QSGTextMaskMaterial::~QSGTextMaskMaterial() -{ -} - -void QSGTextMaskMaterial::init() -{ - Q_ASSERT(m_font.isValid()); - - QFontEngineGlyphCache::Type type = QFontEngineGlyphCache::Raster_A8; - setFlag(Blending, true); - - QOpenGLContext *ctx = const_cast<QOpenGLContext *>(QOpenGLContext::currentContext()); - Q_ASSERT(ctx != 0); - - QRawFontPrivate *fontD = QRawFontPrivate::get(m_font); - if (fontD->fontEngine != 0) { - m_glyphCache = fontD->fontEngine->glyphCache(ctx, type, QTransform()); - if (!m_glyphCache || m_glyphCache->cacheType() != type) { - m_glyphCache = new QOpenGLTextureGlyphCache(type, QTransform()); - fontD->fontEngine->setGlyphCache(ctx, m_glyphCache.data()); - } - } -} - -void QSGTextMaskMaterial::populate(const QPointF &p, - const QVector<quint32> &glyphIndexes, - const QVector<QPointF> &glyphPositions, - QSGGeometry *geometry, - QRectF *boundingRect, - QPointF *baseLine) -{ - Q_ASSERT(m_font.isValid()); - QVector<QFixedPoint> fixedPointPositions; - for (int i=0; i<glyphPositions.size(); ++i) - fixedPointPositions.append(QFixedPoint::fromPointF(glyphPositions.at(i))); - - QTextureGlyphCache *cache = glyphCache(); - - QRawFontPrivate *fontD = QRawFontPrivate::get(m_font); - cache->populate(fontD->fontEngine, glyphIndexes.size(), glyphIndexes.constData(), - fixedPointPositions.data()); - cache->fillInPendingGlyphs(); - - int margin = cache->glyphMargin(); - - Q_ASSERT(geometry->indexType() == GL_UNSIGNED_SHORT); - geometry->allocate(glyphIndexes.size() * 4, glyphIndexes.size() * 6); - QVector4D *vp = (QVector4D *)geometry->vertexDataAsTexturedPoint2D(); - Q_ASSERT(geometry->sizeOfVertex() == sizeof(QVector4D)); - ushort *ip = geometry->indexDataAsUShort(); - - QPointF position(p.x(), p.y() - m_font.ascent()); - bool supportsSubPixelPositions = fontD->fontEngine->supportsSubPixelPositions(); - for (int i=0; i<glyphIndexes.size(); ++i) { - QFixed subPixelPosition; - if (supportsSubPixelPositions) - subPixelPosition = fontD->fontEngine->subPixelPositionForX(QFixed::fromReal(glyphPositions.at(i).x())); - - QTextureGlyphCache::GlyphAndSubPixelPosition glyph(glyphIndexes.at(i), subPixelPosition); - const QTextureGlyphCache::Coord &c = cache->coords.value(glyph); - - QPointF glyphPosition = glyphPositions.at(i) + position; - int x = qRound(glyphPosition.x()) + c.baseLineX - margin; - int y = qRound(glyphPosition.y()) - c.baseLineY - margin; - - *boundingRect |= QRectF(x + margin, y + margin, c.w, c.h); - - float cx1 = x; - float cx2 = x + c.w; - float cy1 = y; - float cy2 = y + c.h; - - float tx1 = c.x; - float tx2 = (c.x + c.w); - float ty1 = c.y; - float ty2 = (c.y + c.h); - - if (baseLine->isNull()) - *baseLine = glyphPosition; - - vp[4 * i + 0] = QVector4D(cx1, cy1, tx1, ty1); - vp[4 * i + 1] = QVector4D(cx2, cy1, tx2, ty1); - vp[4 * i + 2] = QVector4D(cx1, cy2, tx1, ty2); - vp[4 * i + 3] = QVector4D(cx2, cy2, tx2, ty2); - - int o = i * 4; - ip[6 * i + 0] = o + 0; - ip[6 * i + 1] = o + 2; - ip[6 * i + 2] = o + 3; - ip[6 * i + 3] = o + 3; - ip[6 * i + 4] = o + 1; - ip[6 * i + 5] = o + 0; - } -} - -QSGMaterialType *QSGTextMaskMaterial::type() const -{ - static QSGMaterialType type; - return &type; -} - -QOpenGLTextureGlyphCache *QSGTextMaskMaterial::glyphCache() const -{ - return static_cast<QOpenGLTextureGlyphCache*>(m_glyphCache.data()); -} - -QSGMaterialShader *QSGTextMaskMaterial::createShader() const -{ - return new QSGTextMaskMaterialData; -} - -int QSGTextMaskMaterial::compare(const QSGMaterial *o) const -{ - Q_ASSERT(o && type() == o->type()); - const QSGTextMaskMaterial *other = static_cast<const QSGTextMaskMaterial *>(o); - if (m_glyphCache != other->m_glyphCache) - return m_glyphCache - other->m_glyphCache; - QRgb c1 = m_color.rgba(); - QRgb c2 = other->m_color.rgba(); - return int(c2 < c1) - int(c1 < c2); -} - -bool QSGTextMaskMaterial::ensureUpToDate() -{ - QSize glyphCacheSize(glyphCache()->width(), glyphCache()->height()); - if (glyphCacheSize != m_size) { - if (m_texture) - delete m_texture; - m_texture = new QSGPlainTexture(); - m_texture->setTextureId(glyphCache()->texture()); - m_texture->setTextureSize(QSize(glyphCache()->width(), glyphCache()->height())); - m_texture->setOwnsTexture(false); - - m_size = glyphCacheSize; - - return true; - } else { - return false; - } -} - -int QSGTextMaskMaterial::cacheTextureWidth() const -{ - return glyphCache()->width(); -} - -int QSGTextMaskMaterial::cacheTextureHeight() const -{ - return glyphCache()->height(); -} - -QT_END_NAMESPACE |