From: Ivailo Monev <xakepa10@gmail.com>
Date: Sun, 23 Jan 2022 22:24:54 +0000 (+0200)
Subject: use QPointF instead of QTransform as argument for QFontEngine::getGlyphPositions()
X-Git-Tag: 4.12.0~1089
X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=738c766af23425282425750d4aaed2dc91b5e9c7;p=kde%2FKatie.git

use QPointF instead of QTransform as argument for QFontEngine::getGlyphPositions()

Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
---

diff --git a/src/gui/painting/qpdf.cpp b/src/gui/painting/qpdf.cpp
index fbbffb69f..17c759bb0 100644
--- a/src/gui/painting/qpdf.cpp
+++ b/src/gui/painting/qpdf.cpp
@@ -1767,8 +1767,7 @@ void QPdfBaseEnginePrivate::drawTextItem(const QPointF &p, const QTextItemInt &t
     const qreal size = ti.fontEngine->fontDef.pixelSize;
     QVarLengthArray<glyph_t> glyphs;
     QVarLengthArray<QFixedPoint> positions;
-    const QTransform m = QTransform::fromTranslate(p.x(), p.y());
-    ti.fontEngine->getGlyphPositions(ti.glyphs, m, glyphs, positions);
+    ti.fontEngine->getGlyphPositions(ti.glyphs, p, glyphs, positions);
     if (glyphs.size() == 0)
         return;
     const int synthesized = ti.fontEngine->synthesized();
diff --git a/src/gui/text/qfontengine.cpp b/src/gui/text/qfontengine.cpp
index 41b7ac7e1..f8319ed21 100644
--- a/src/gui/text/qfontengine.cpp
+++ b/src/gui/text/qfontengine.cpp
@@ -88,49 +88,25 @@ QFixed QFontEngine::averageCharWidth() const
 }
 
 
-void QFontEngine::getGlyphPositions(const QGlyphLayout &glyphs, const QTransform &matrix,
+void QFontEngine::getGlyphPositions(const QGlyphLayout &glyphs, const QPointF &point,
                                     QVarLengthArray<glyph_t> &glyphs_out, QVarLengthArray<QFixedPoint> &positions)
 {
-    QFixed xpos;
-    QFixed ypos;
-
-    const bool transform = matrix.m11() != 1.
-                           || matrix.m12() != 0.
-                           || matrix.m21() != 0.
-                           || matrix.m22() != 1.;
-    if (!transform) {
-        xpos = QFixed::fromReal(matrix.dx());
-        ypos = QFixed::fromReal(matrix.dy());
-    }
+    QFixed xpos = QFixed::fromReal(point.x());
+    QFixed ypos = QFixed::fromReal(point.y());
 
     int current = 0;
     positions.resize(glyphs.numGlyphs);
     glyphs_out.resize(glyphs.numGlyphs);
     int i = 0;
-    if (!transform) {
-        while (i < glyphs.numGlyphs) {
-            if (!glyphs.attributes[i].dontPrint) {
-                positions[current].x = xpos;
-                positions[current].y = ypos;
-                glyphs_out[current] = glyphs.glyphs[i];
-                xpos += glyphs.advances_x[i];
-                ++current;
-            }
-            ++i;
-        }
-    } else {
-        while (i < glyphs.numGlyphs) {
-            if (!glyphs.attributes[i].dontPrint) {
-                QPointF gpos(xpos.toReal(), ypos.toReal());
-                gpos = gpos * matrix;
-                positions[current].x = QFixed::fromReal(gpos.x());
-                positions[current].y = QFixed::fromReal(gpos.y());
-                glyphs_out[current] = glyphs.glyphs[i];
-                xpos += glyphs.advances_x[i];
-                ++current;
-            }
-            ++i;
+    while (i < glyphs.numGlyphs) {
+        if (!glyphs.attributes[i].dontPrint) {
+            positions[current].x = xpos;
+            positions[current].y = ypos;
+            glyphs_out[current] = glyphs.glyphs[i];
+            xpos += glyphs.advances_x[i];
+            ++current;
         }
+        ++i;
     }
     positions.resize(current);
     glyphs_out.resize(current);
@@ -154,7 +130,7 @@ void QFontEngine::addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyphs,
 
     QVarLengthArray<QFixedPoint> positions;
     QVarLengthArray<glyph_t> positioned_glyphs;
-    getGlyphPositions(glyphs, QTransform::fromTranslate(x, y), positioned_glyphs, positions);
+    getGlyphPositions(glyphs, QPointF(x, y), positioned_glyphs, positions);
     addGlyphsToPath(positioned_glyphs.data(), positions.data(), positioned_glyphs.size(), path);
 }
 
@@ -368,7 +344,7 @@ void QFontEngineBox::addOutlineToPath(qreal x, qreal y, const QGlyphLayout &glyp
 
     QVarLengthArray<QFixedPoint> positions;
     QVarLengthArray<glyph_t> positioned_glyphs;
-    getGlyphPositions(glyphs, QTransform::fromTranslate(x, y - _size), positioned_glyphs, positions);
+    getGlyphPositions(glyphs, QPointF(x, y - _size), positioned_glyphs, positions);
 
     const QSize s(_size - 3, _size - 3);
     for (int k = 0; k < positions.size(); k++) {
diff --git a/src/gui/text/qfontengine_p.h b/src/gui/text/qfontengine_p.h
index ad9688bf5..c9c1dce0a 100644
--- a/src/gui/text/qfontengine_p.h
+++ b/src/gui/text/qfontengine_p.h
@@ -111,7 +111,7 @@ public:
     virtual void addGlyphsToPath(glyph_t *glyphs, QFixedPoint *positions, int nglyphs,
                                  QPainterPath *path) = 0;
 
-    void getGlyphPositions(const QGlyphLayout &glyphs, const QTransform &matrix,
+    void getGlyphPositions(const QGlyphLayout &glyphs, const QPointF &point,
                            QVarLengthArray<glyph_t> &glyphs_out, QVarLengthArray<QFixedPoint> &positions);
 
     virtual void addOutlineToPath(qreal, qreal, const QGlyphLayout &, QPainterPath *);