Changeset 561 for trunk/src/gui/painting/qtextureglyphcache.cpp

Timestamp:

Feb 11, 2010, 11:19:06 PM (15 years ago)

Author:

Dmitry A. Kuminov

Message:

trunk: Merged in qt 4.6.1 sources.

Location:

trunk

Files:

• . (modified) (1 prop)
• src/gui/painting/qtextureglyphcache.cpp (modified) (8 diffs)

trunk/src/gui/painting/qtextureglyphcache.cpp

@@ -2 +2 @@
 **
 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
-** Contact: Qt Software Information (qt-info@nokia.com)
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
 **
 ** This file is part of the QtGui module of the Qt Toolkit.
@@ -21 +22 @@
 ** 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 1.0, included in the file LGPL_EXCEPTION.txt in this
-** package.
+** 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
@@ -34 +34 @@
 ** met: http://www.gnu.org/copyleft/gpl.html.
 **
-** If you are unsure which license is appropriate for your use, please
-** contact the sales department at qt-sales@nokia.com.
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
 ** $QT_END_LICENSE$
 **
@@ -89 +89 @@
                ti.descent.toReal());
 #endif
-        int glyph_width = metrics.width.ceil().toInt() + margin * 2;
-        int glyph_height = metrics.height.ceil().toInt() + margin * 2;
+        int glyph_width = metrics.width.ceil().toInt();
+        int glyph_height = metrics.height.ceil().toInt();
         if (glyph_height == 0 || glyph_width == 0)
             continue;
-
+        glyph_width += margin * 2 + 4;
+        glyph_height += margin * 2 + 4;
         // align to 8-bit boundary
         if (m_type == QFontEngineGlyphCache::Raster_Mono)
@@ -101 +102 @@
                     glyph_width,
                     glyph_height, // texture coords
-                    metrics.x.truncate(),
+                    metrics.x.round().truncate(),
                     -metrics.y.truncate() }; // baseline for horizontal scripts
 
@@ -155 +156 @@
 
 
+}
+
+QImage QTextureGlyphCache::textureMapForGlyph(glyph_t g) const
+{
+#if defined(Q_WS_X11)
+    if (m_transform.type() > QTransform::TxTranslate) {
+        QFontEngineFT::GlyphFormat format = QFontEngineFT::Format_None;
+        QImage::Format imageFormat = QImage::Format_Invalid;
+        switch (m_type) {
+        case Raster_RGBMask:
+            format = QFontEngineFT::Format_A32;
+            imageFormat = QImage::Format_RGB32;
+            break;
+        case Raster_A8:
+            format = QFontEngineFT::Format_A8;
+            imageFormat = QImage::Format_Indexed8;
+            break;
+        case Raster_Mono:
+            format = QFontEngineFT::Format_Mono;
+            imageFormat = QImage::Format_Mono;
+            break;
+        };
+
+        QFontEngineFT *ft = static_cast<QFontEngineFT*> (m_current_textitem->fontEngine);
+        QFontEngineFT::QGlyphSet *gset = ft->loadTransformedGlyphSet(m_transform);
+
+        if (gset && ft->loadGlyphs(gset, &g, 1, format)) {
+            QFontEngineFT::Glyph *glyph = gset->glyph_data.value(g);
+            const int bytesPerLine = (format == QFontEngineFT::Format_Mono ? ((glyph->width + 31) & ~31) >> 3
+                               : (glyph->width + 3) & ~3);
+            return QImage(glyph->data, glyph->width, glyph->height, bytesPerLine, imageFormat);
+        }
+    } else
+#endif
+    if (m_type == QFontEngineGlyphCache::Raster_RGBMask)
+        return m_current_textitem->fontEngine->alphaRGBMapForGlyph(g, glyphMargin(), m_transform);
+    else
+        return m_current_textitem->fontEngine->alphaMapForGlyph(g, m_transform);
+
+    return QImage();
 }
 
@@ -189 +230 @@
 int QImageTextureGlyphCache::glyphMargin() const
 {
-#ifdef Q_WS_MAC
-    return 2;
+#if defined(Q_WS_MAC) && defined(QT_MAC_USE_COCOA)
+    return 0;
 #else
     return m_type == QFontEngineGlyphCache::Raster_RGBMask ? 2 : 0;
@@ -198 +239 @@
 void QImageTextureGlyphCache::fillTexture(const Coord &c, glyph_t g)
 {
-    QImage mask;
-#if defined(Q_WS_X11)
-    if (m_transform.type() > QTransform::TxTranslate) {
-        QFontEngineFT::GlyphFormat format = QFontEngineFT::Format_None;
-        switch (m_type) {
-        case Raster_RGBMask:
-            format = QFontEngineFT::Format_A32; break;
-        case Raster_A8:
-            format = QFontEngineFT::Format_A8; break;
-        case Raster_Mono:
-            format = QFontEngineFT::Format_Mono; break;
-        };
-
-        QFontEngineFT *ft = static_cast<QFontEngineFT*> (m_current_textitem->fontEngine);
-        QFontEngineFT::QGlyphSet *gset = ft->loadTransformedGlyphSet(m_transform);
-
-        if (gset && ft->loadGlyphs(gset, &g, 1, format)) {
-            QFontEngineFT::Glyph *glyph = gset->glyph_data.value(g);
-            const int bytesPerLine = (format == QFontEngineFT::Format_Mono ? ((glyph->width + 31) & ~31) >> 3
-                               : (glyph->width + 3) & ~3);
-            mask = QImage(glyph->data, glyph->width, glyph->height, bytesPerLine, m_image.format());
-        }
-    } else
-#endif
-    if (m_type == QFontEngineGlyphCache::Raster_RGBMask)
-        mask = m_current_textitem->fontEngine->alphaRGBMapForGlyph(g, glyphMargin(), m_transform);
-    else
-        mask = m_current_textitem->fontEngine->alphaMapForGlyph(g, m_transform);
+    QImage mask = textureMapForGlyph(g);
 
 #ifdef CACHE_DEBUG