skia2/gm/stroketext.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

96 lines
2.8 KiB
C++

/*
* Copyright 2014 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/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkColor.h"
#include "include/core/SkFont.h"
#include "include/core/SkFontTypes.h"
#include "include/core/SkImageInfo.h"
#include "include/core/SkPaint.h"
#include "include/core/SkPathEffect.h"
#include "include/core/SkPoint.h"
#include "include/core/SkScalar.h"
#include "include/core/SkTextBlob.h"
#include "include/core/SkTypeface.h"
#include "include/core/SkTypes.h"
#include "include/effects/SkDashPathEffect.h"
#include "tools/ToolUtils.h"
static void test_nulldev(SkCanvas* canvas) {
SkBitmap bm;
bm.setInfo(SkImageInfo::MakeN32Premul(30, 30));
// notice: no pixels mom! be sure we don't crash
// https://code.google.com/p/chromium/issues/detail?id=352616
SkCanvas c(bm);
SkBitmap src;
src.allocN32Pixels(10, 10);
src.eraseColor(SK_ColorRED);
// ensure we don't crash
c.writePixels(src, 0, 0);
}
static void draw_text_stroked(SkCanvas* canvas, const SkPaint& paint, const SkFont& font,
SkScalar strokeWidth) {
SkPaint p(paint);
SkPoint loc = { 20, 435 };
if (strokeWidth > 0) {
p.setStyle(SkPaint::kFill_Style);
canvas->drawSimpleText("P", 1, kUTF8_SkTextEncoding, loc.fX, loc.fY - 225, font, p);
canvas->drawTextBlob(SkTextBlob::MakeFromPosText("P", 1, &loc, font), 0, 0, p);
}
p.setColor(SK_ColorRED);
p.setStyle(SkPaint::kStroke_Style);
p.setStrokeWidth(strokeWidth);
canvas->drawSimpleText("P", 1, kUTF8_SkTextEncoding, loc.fX, loc.fY - 225, font, p);
canvas->drawTextBlob(SkTextBlob::MakeFromPosText("P", 1, &loc, font), 0, 0, p);
}
static void draw_text_set(SkCanvas* canvas, const SkPaint& paint, const SkFont& font) {
SkAutoCanvasRestore acr(canvas, true);
draw_text_stroked(canvas, paint, font, 10);
canvas->translate(200, 0);
draw_text_stroked(canvas, paint, font, 0);
const SkScalar intervals[] = { 20, 10, 5, 10 };
const SkScalar phase = 0;
canvas->translate(200, 0);
SkPaint p(paint);
p.setPathEffect(SkDashPathEffect::Make(intervals, SK_ARRAY_COUNT(intervals), phase));
draw_text_stroked(canvas, p, font, 10);
}
namespace {
enum {
kBelowThreshold_TextSize = 255,
kAboveThreshold_TextSize = 257
};
}
DEF_SIMPLE_GM(stroketext, canvas, 1200, 480) {
if (true) { test_nulldev(canvas); }
SkPaint paint;
paint.setAntiAlias(true);
SkFont font(ToolUtils::create_portable_typeface(), kBelowThreshold_TextSize);
draw_text_set(canvas, paint, font);
canvas->translate(600, 0);
font.setSize(kAboveThreshold_TextSize);
draw_text_set(canvas, paint, font);
}