--- a/src/openvg/qpaintengine_vg.cpp Wed Apr 21 12:15:23 2010 +0300
+++ b/src/openvg/qpaintengine_vg.cpp Wed Apr 21 20:15:53 2010 +0300
@@ -75,8 +75,8 @@
#if !defined(QVG_NO_DRAW_GLYPHS)
-extern int qt_defaultDpiX();
-extern int qt_defaultDpiY();
+Q_DECL_IMPORT extern int qt_defaultDpiX();
+Q_DECL_IMPORT extern int qt_defaultDpiY();
class QVGPaintEnginePrivate;
@@ -183,7 +183,6 @@
qreal penScale; // Pen scaling factor from "transform".
QTransform pathTransform; // Calculated VG path transformation.
- QTransform glyphTransform; // Calculated VG glyph transformation.
QTransform imageTransform; // Calculated VG image transformation.
bool pathTransformSet; // True if path transform set in the VG context.
@@ -497,7 +496,7 @@
vgLoadMatrix(mat);
}
-extern bool qt_scaleForTransform(const QTransform &transform, qreal *scale);
+Q_DECL_IMPORT extern bool qt_scaleForTransform(const QTransform &transform, qreal *scale);
void QVGPaintEnginePrivate::updateTransform(QPaintDevice *pdev)
{
@@ -508,24 +507,15 @@
// | 1 0 0 |
// | 0 -1 devh |
// | 0 0 1 |
- // The glyph transform uses a slightly different transformation:
- // | 1 0 0 | | 1 0 0.5 | | 1 0 0.5 |
- // | 0 -1 devh - 1 | * | 0 1 -0.5 | = | 0 -1 (devh - 0.5) |
- // | 0 0 1 | | 0 0 1 | | 0 0 1 |
// The full VG transform is effectively:
// 1. Apply the user's transformation matrix.
- // 2. Translate glyphs by an extra (0.5, -0.5).
- // 3. Flip the co-ordinate system upside down.
+ // 2. Flip the co-ordinate system upside down.
QTransform viewport(1.0f, 0.0f, 0.0f,
0.0f, -1.0f, 0.0f,
0.0f, devh, 1.0f);
- QTransform gviewport(1.0f, 0.0f, 0.0f,
- 0.0f, -1.0f, 0.0f,
- 0.5f, devh - 0.5f, 1.0f);
// Compute the path transform and determine if it is projective.
pathTransform = transform * viewport;
- glyphTransform = transform * gviewport;
bool projective = (pathTransform.m13() != 0.0f ||
pathTransform.m23() != 0.0f ||
pathTransform.m33() != 1.0f);
@@ -534,7 +524,6 @@
// so we will have to convert the co-ordinates ourselves.
// Change the matrix to just the viewport transformation.
pathTransform = viewport;
- glyphTransform = gviewport;
simpleTransform = false;
} else {
simpleTransform = true;
@@ -975,7 +964,7 @@
return vgpath;
}
-extern QImage qt_imageForBrush(int style, bool invert);
+Q_DECL_IMPORT extern QImage qt_imageForBrush(int style, bool invert);
static QImage colorizeBitmap(const QImage &image, const QColor &color)
{
@@ -3248,10 +3237,10 @@
vgImageSubData(vgImage, qt_vg_imageBits(img), img.bytesPerLine(), VG_sARGB_8888_PRE, 0, 0, img.width(), img.height());
}
}
- origin[0] = -metrics.x.toReal() + 0.5f;
- origin[1] = -metrics.y.toReal() + 0.5f;
- escapement[0] = metrics.xoff.toReal();
- escapement[1] = metrics.yoff.toReal();
+ origin[0] = -metrics.x.toReal();
+ origin[1] = -metrics.y.toReal();
+ escapement[0] = 0;
+ escapement[1] = 0;
vgSetGlyphToImage(font, glyph, vgImage, origin, escapement);
vgDestroyImage(vgImage); // Reduce reference count.
#else
@@ -3267,8 +3256,8 @@
}
origin[0] = 0;
origin[1] = 0;
- escapement[0] = metrics.xoff.toReal();
- escapement[1] = metrics.yoff.toReal();
+ escapement[0] = 0;
+ escapement[1] = 0;
vgSetGlyphToPath(font, glyph, vgPath, VG_FALSE, origin, escapement);
vgDestroyPath(vgPath); // Reduce reference count.
#endif // !defined(QVG_NO_IMAGE_GLYPHS)
@@ -3293,10 +3282,8 @@
// Get the glyphs and positions associated with the text item.
QVarLengthArray<QFixedPoint> positions;
QVarLengthArray<glyph_t> glyphs;
- QTransform matrix = d->transform;
- matrix.translate(p.x(), p.y());
- ti.fontEngine->getGlyphPositions
- (ti.glyphs, matrix, ti.flags, glyphs, positions);
+ QTransform matrix;
+ ti.fontEngine->getGlyphPositions(ti.glyphs, matrix, ti.flags, glyphs, positions);
// Find the glyph cache for this font.
QVGFontCache::ConstIterator it = d->fontCache.constFind(ti.fontEngine);
@@ -3320,7 +3307,7 @@
}
// Set the transformation to use for drawing the current glyphs.
- QTransform glyphTransform(d->glyphTransform);
+ QTransform glyphTransform(d->pathTransform);
glyphTransform.translate(p.x(), p.y());
#if defined(QVG_NO_IMAGE_GLYPHS)
glyphTransform.scale(glyphCache->scaleX, glyphCache->scaleY);
@@ -3330,10 +3317,18 @@
// Add the glyphs from the text item into the glyph cache.
glyphCache->cacheGlyphs(d, ti, glyphs);
+ // Create the array of adjustments between glyphs
+ QVarLengthArray<VGfloat> adjustments_x(glyphs.size());
+ QVarLengthArray<VGfloat> adjustments_y(glyphs.size());
+ for (int i = 1; i < glyphs.size(); ++i) {
+ adjustments_x[i-1] = (positions[i].x - positions[i-1].x).toReal();
+ adjustments_y[i-1] = (positions[i].y - positions[i-1].y).toReal();
+ }
+
// Set the glyph drawing origin.
VGfloat origin[2];
- origin[0] = 0;
- origin[1] = 0;
+ origin[0] = positions[0].x.toReal();
+ origin[1] = positions[0].y.toReal();
vgSetfv(VG_GLYPH_ORIGIN, 2, origin);
// Fast anti-aliasing for paths, better for images.
@@ -3348,7 +3343,7 @@
// the Qt pen, not the Qt brush.
d->ensureBrush(state()->pen.brush());
vgDrawGlyphs(glyphCache->font, glyphs.size(), (VGuint*)glyphs.data(),
- NULL, NULL, VG_FILL_PATH, VG_TRUE);
+ adjustments_x.data(), adjustments_y.data(), VG_FILL_PATH, VG_TRUE);
#else
// OpenGL 1.0 does not have support for VGFont and glyphs,
// so fall back to the default Qt path stroking algorithm.