add test for bug in line drawing. fix is pending a way to handle all of the
rebaselines...
git-svn-id: http://skia.googlecode.com/svn/trunk@6208 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/fatpathfill.cpp b/gm/fatpathfill.cpp
new file mode 100644
index 0000000..4c5fee0
--- /dev/null
+++ b/gm/fatpathfill.cpp
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2012 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#include "gm.h"
+#include "SkCanvas.h"
+#include "SkPath.h"
+#include "SkSurface.h"
+
+#define ZOOM 32
+#define SMALL_W 9
+#define SMALL_H 3
+#define REPEAT_LOOP 5
+
+static SkSurface* new_surface(int width, int height) {
+ SkImage::Info info = {
+ width,
+ height,
+ SkImage::kPMColor_ColorType,
+ SkImage::kPremul_AlphaType
+ };
+ return SkSurface::NewRaster(info, NULL);
+}
+
+static void draw_pixel_centers(SkCanvas* canvas) {
+ SkPaint paint;
+ paint.setColor(0xFF0088FF);
+ paint.setAntiAlias(true);
+
+ for (int y = 0; y < SMALL_H; ++y) {
+ for (int x = 0; x < SMALL_W; ++x) {
+ canvas->drawCircle(x + 0.5f, y + 0.5f, 1.5f / ZOOM, paint);
+ }
+ }
+}
+
+static void draw_fatpath(SkCanvas* canvas, SkSurface* surface,
+ const SkPath paths[], int count) {
+ SkPaint paint;
+
+ surface->getCanvas()->clear(0);
+ for (int i = 0; i < count; ++i) {
+ surface->getCanvas()->drawPath(paths[i], paint);
+ }
+ surface->draw(canvas, 0, 0, NULL);
+
+ paint.setAntiAlias(true);
+ paint.setColor(SK_ColorRED);
+ paint.setStyle(SkPaint::kStroke_Style);
+ for (int j = 0; j < count; ++j) {
+ canvas->drawPath(paths[j], paint);
+ }
+
+ draw_pixel_centers(canvas);
+}
+
+class FatPathFillGM : public skiagm::GM {
+public:
+ FatPathFillGM() {}
+
+protected:
+ virtual SkString onShortName() {
+ return SkString("fatpathfill");
+ }
+
+ virtual SkISize onISize() {
+ return SkISize::Make(SMALL_W * ZOOM, SMALL_H * ZOOM * REPEAT_LOOP);
+ }
+
+ virtual void onDraw(SkCanvas* canvas) {
+ SkAutoTUnref<SkSurface> surface(new_surface(SMALL_W, SMALL_H));
+
+ canvas->scale(ZOOM, ZOOM);
+
+ SkPaint paint;
+ paint.setStyle(SkPaint::kStroke_Style);
+ paint.setStrokeWidth(SK_Scalar1);
+
+ for (int i = 0; i < REPEAT_LOOP; ++i) {
+ SkPath line, path;
+ line.moveTo(1, 2); line.lineTo(4 + i, 1);
+ paint.getFillPath(line, &path);
+ draw_fatpath(canvas, surface, &path, 1);
+
+ canvas->translate(0, SMALL_H);
+ }
+ }
+
+private:
+ typedef skiagm::GM INHERITED;
+};
+
+///////////////////////////////////////////////////////////////////////////////
+
+DEF_GM(return new FatPathFillGM;)
+