1 files changed, 105 insertions, 0 deletions
diff --git a/WebCore/platform/graphics/cairo/FontCairo.cpp b/WebCore/platform/graphics/cairo/FontCairo.cpp
new file mode 100644
index 0000000..9da9426
--- /dev/null
+++ b/WebCore/platform/graphics/cairo/FontCairo.cpp
@@ -0,0 +1,105 @@
+/*
+ * Copyright (C) 2006 Apple Computer, Inc.  All rights reserved.
+ * Copyright (C) 2006 Michael Emmel mike.emmel@gmail.com
+ * Copyright (C) 2007, 2008 Alp Toker <alp@atoker.com>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
+ * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+ * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
+ * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "config.h"
+#include "Font.h"
+
+#include "GlyphBuffer.h"
+#include "GraphicsContext.h"
+#include "SimpleFontData.h"
+
+namespace WebCore {
+
+void Font::drawGlyphs(GraphicsContext* context, const SimpleFontData* font, const GlyphBuffer& glyphBuffer,
+                      int from, int numGlyphs, const FloatPoint& point) const
+{
+    cairo_t* cr = context->platformContext();
+    cairo_save(cr);
+
+    font->setFont(cr);
+
+    GlyphBufferGlyph* glyphs = (GlyphBufferGlyph*)glyphBuffer.glyphs(from);
+
+    float offset = point.x();
+    for (int i = 0; i < numGlyphs; i++) {
+        glyphs[i].x = offset;
+        glyphs[i].y = point.y();
+        offset += glyphBuffer.advanceAt(from + i);
+    }
+
+    Color fillColor = context->fillColor();
+
+    // Text shadow, inspired by FontMac
+    IntSize shadowSize;
+    int shadowBlur = 0;
+    Color shadowColor;
+    bool hasShadow = context->textDrawingMode() == cTextFill &&
+        context->getShadow(shadowSize, shadowBlur, shadowColor);
+
+    // TODO: Blur support
+    if (hasShadow) {
+        // Disable graphics context shadows (not yet implemented) and paint them manually
+        context->clearShadow();
+        Color shadowFillColor(shadowColor.red(), shadowColor.green(), shadowColor.blue(), shadowColor.alpha() * fillColor.alpha() / 255);
+        cairo_save(cr);
+
+        float red, green, blue, alpha;
+        shadowFillColor.getRGBA(red, green, blue, alpha);
+        cairo_set_source_rgba(cr, red, green, blue, alpha);
+
+        cairo_translate(cr, shadowSize.width(), shadowSize.height());
+        cairo_show_glyphs(cr, glyphs, numGlyphs);
+
+        cairo_restore(cr);
+    }
+
+    if (context->textDrawingMode() & cTextFill) {
+        float red, green, blue, alpha;
+        fillColor.getRGBA(red, green, blue, alpha);
+        cairo_set_source_rgba(cr, red, green, blue, alpha);
+
+        cairo_show_glyphs(cr, glyphs, numGlyphs);
+    }
+
+    if (context->textDrawingMode() & cTextStroke) {
+        Color strokeColor = context->strokeColor();
+        float red, green, blue, alpha;
+        strokeColor.getRGBA(red, green, blue, alpha);
+        cairo_set_source_rgba(cr, red, green, blue, alpha);       
+        cairo_glyph_path(cr, glyphs, numGlyphs);
+        cairo_set_line_width(cr, context->strokeThickness());
+        cairo_stroke(cr);
+    }
+
+    // Re-enable the platform shadow we disabled earlier
+    if (hasShadow)
+        context->setShadow(shadowSize, shadowBlur, shadowColor);
+
+    cairo_restore(cr);
+}
+
+}