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From 27a914815e757ed12523edf968c9da134dabeaf8 Mon Sep 17 00:00:00 2001
From: George Wright <gwright@mozilla.com>
Date: Fri, 18 May 2012 14:10:44 -0400
Subject: [PATCH 01/10] Bug 755869 - [4] Re-apply bug 687189 - Implement
SkPaint::getPosTextPath r=mattwoodrow
---
gfx/skia/include/core/SkPaint.h | 3 +++
gfx/skia/src/core/SkPaint.cpp | 27 +++++++++++++++++++++++++++
2 files changed, 30 insertions(+), 0 deletions(-)
diff --git a/gfx/skia/include/core/SkPaint.h b/gfx/skia/include/core/SkPaint.h
index 1930db1..ff37d77 100644
--- a/gfx/skia/include/core/SkPaint.h
+++ b/gfx/skia/include/core/SkPaint.h
@@ -813,6 +813,9 @@ public:
void getTextPath(const void* text, size_t length, SkScalar x, SkScalar y,
SkPath* path) const;
+ void getPosTextPath(const void* text, size_t length,
+ const SkPoint pos[], SkPath* path) const;
+
#ifdef SK_BUILD_FOR_ANDROID
const SkGlyph& getUnicharMetrics(SkUnichar);
const SkGlyph& getGlyphMetrics(uint16_t);
diff --git a/gfx/skia/src/core/SkPaint.cpp b/gfx/skia/src/core/SkPaint.cpp
index 1b74fa1..4c119aa 100644
--- a/gfx/skia/src/core/SkPaint.cpp
+++ b/gfx/skia/src/core/SkPaint.cpp
@@ -1355,6 +1355,33 @@ void SkPaint::getTextPath(const void* textData, size_t length,
}
}
+void SkPaint::getPosTextPath(const void* textData, size_t length,
+ const SkPoint pos[], SkPath* path) const {
+ SkASSERT(length == 0 || textData != NULL);
+
+ const char* text = (const char*)textData;
+ if (text == NULL || length == 0 || path == NULL) {
+ return;
+ }
+
+ SkTextToPathIter iter(text, length, *this, false);
+ SkMatrix matrix;
+ SkPoint prevPos;
+ prevPos.set(0, 0);
+
+ matrix.setScale(iter.getPathScale(), iter.getPathScale());
+ path->reset();
+
+ unsigned int i = 0;
+ const SkPath* iterPath;
+ while ((iterPath = iter.next(NULL)) != NULL) {
+ matrix.postTranslate(pos[i].fX - prevPos.fX, pos[i].fY - prevPos.fY);
+ path->addPath(*iterPath, matrix);
+ prevPos = pos[i];
+ i++;
+ }
+}
+
static void add_flattenable(SkDescriptor* desc, uint32_t tag,
SkFlattenableWriteBuffer* buffer) {
buffer->flatten(desc->addEntry(tag, buffer->size(), NULL));
--
1.7.5.4
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