skia2/gm/fatpathfill.cpp
Ben Wagner 7fde8e1728 IWYU for gms.
This almost gets gms to be iwyu clean. The last bit is around gm.cpp
and the tracing framework and its use of atomic. Will also need a way
of keeping things from regressing, which is difficult due to needing to
do this outside-in.

Change-Id: I1393531e99da8b0f1a29f55c53c86d53f459af7d
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/211593
Reviewed-by: Herb Derby <herb@google.com>
Commit-Queue: Ben Wagner <bungeman@google.com>
2019-05-02 17:48:53 +00:00

75 lines
2.0 KiB
C++

/*
* 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/gm.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPath.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkScalar.h"
#include "include/core/SkSurface.h"
#include "tools/ToolUtils.h"
#define ZOOM 32
#define SMALL_W 9
#define SMALL_H 3
#define REPEAT_LOOP 5
static sk_sp<SkSurface> new_surface(int width, int height) {
return SkSurface::MakeRasterN32Premul(width, height);
}
static void draw_pixel_centers(SkCanvas* canvas) {
SkPaint paint;
paint.setColor(ToolUtils::color_to_565(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& path) {
SkPaint paint;
surface->getCanvas()->clear(SK_ColorTRANSPARENT);
surface->getCanvas()->drawPath(path, paint);
surface->draw(canvas, 0, 0, nullptr);
paint.setAntiAlias(true);
paint.setColor(SK_ColorRED);
paint.setStyle(SkPaint::kStroke_Style);
canvas->drawPath(path, paint);
draw_pixel_centers(canvas);
}
DEF_SIMPLE_GM(fatpathfill, canvas,
SMALL_W * ZOOM,
SMALL_H * ZOOM * REPEAT_LOOP) {
auto 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(SkIntToScalar(4 + i), 1);
paint.getFillPath(line, &path);
draw_fatpath(canvas, surface.get(), path);
canvas->translate(0, SMALL_H);
}
}