cc2d073020
This was a particularly bad hash (A == B didn't imply hash(A) == hash(B)). It was also entirely unused. Change-Id: Id923bf1035effce04e12b1cc01d1c6aa4d11fdb6 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/419336 Commit-Queue: Brian Osman <brianosman@google.com> Reviewed-by: Mike Reed <reed@google.com>
233 lines
7.2 KiB
C++
233 lines
7.2 KiB
C++
/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "include/core/SkFont.h"
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#include "include/core/SkMaskFilter.h"
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#include "include/core/SkPath.h"
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#include "include/core/SkTypeface.h"
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#include "include/private/SkTo.h"
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#include "include/utils/SkRandom.h"
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#include "src/core/SkAutoMalloc.h"
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#include "src/core/SkBlurMask.h"
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#include "src/core/SkPaintPriv.h"
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#include "src/core/SkReadBuffer.h"
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#include "src/core/SkWriteBuffer.h"
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#include "src/utils/SkUTF.h"
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#include "tests/Test.h"
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#undef ASSERT
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DEF_TEST(Paint_copy, reporter) {
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SkPaint paint;
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// set a few member variables
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paint.setStyle(SkPaint::kStrokeAndFill_Style);
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paint.setStrokeWidth(SkIntToScalar(2));
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// set a few pointers
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paint.setMaskFilter(SkMaskFilter::MakeBlur(kNormal_SkBlurStyle,
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SkBlurMask::ConvertRadiusToSigma(1)));
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// copy the paint using the copy constructor and check they are the same
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SkPaint copiedPaint = paint;
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REPORTER_ASSERT(reporter, paint == copiedPaint);
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// copy the paint using the equal operator and check they are the same
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copiedPaint = paint;
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REPORTER_ASSERT(reporter, paint == copiedPaint);
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// clean the paint and check they are back to their initial states
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SkPaint cleanPaint;
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paint.reset();
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copiedPaint.reset();
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REPORTER_ASSERT(reporter, cleanPaint == paint);
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REPORTER_ASSERT(reporter, cleanPaint == copiedPaint);
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}
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// found and fixed for webkit: mishandling when we hit recursion limit on
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// mostly degenerate cubic flatness test
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DEF_TEST(Paint_regression_cubic, reporter) {
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SkPath path, stroke;
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SkPaint paint;
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path.moveTo(460.2881309415525f,
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303.250847066498f);
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path.cubicTo(463.36378422175284f,
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302.1169735073363f,
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456.32239330810046f,
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304.720354932878f,
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453.15255460013304f,
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305.788586869862f);
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SkRect fillR, strokeR;
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fillR = path.getBounds();
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paint.setStyle(SkPaint::kStroke_Style);
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paint.setStrokeWidth(SkIntToScalar(2));
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paint.getFillPath(path, &stroke);
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strokeR = stroke.getBounds();
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SkRect maxR = fillR;
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SkScalar miter = std::max(SK_Scalar1, paint.getStrokeMiter());
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SkScalar inset = paint.getStrokeJoin() == SkPaint::kMiter_Join ?
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paint.getStrokeWidth() * miter :
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paint.getStrokeWidth();
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maxR.inset(-inset, -inset);
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// test that our stroke didn't explode
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REPORTER_ASSERT(reporter, maxR.contains(strokeR));
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}
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DEF_TEST(Paint_flattening, reporter) {
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const SkPaint::Cap caps[] = {
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SkPaint::kButt_Cap,
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SkPaint::kRound_Cap,
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SkPaint::kSquare_Cap,
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};
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const SkPaint::Join joins[] = {
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SkPaint::kMiter_Join,
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SkPaint::kRound_Join,
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SkPaint::kBevel_Join,
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};
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const SkPaint::Style styles[] = {
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SkPaint::kFill_Style,
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SkPaint::kStroke_Style,
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SkPaint::kStrokeAndFill_Style,
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};
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#define FOR_SETUP(index, array, setter) \
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for (size_t index = 0; index < SK_ARRAY_COUNT(array); ++index) { \
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paint.setter(array[index]);
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SkPaint paint;
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paint.setAntiAlias(true);
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// we don't serialize hinting or encoding -- soon to be removed from paint
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FOR_SETUP(l, caps, setStrokeCap)
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FOR_SETUP(m, joins, setStrokeJoin)
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FOR_SETUP(p, styles, setStyle)
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SkBinaryWriteBuffer writer;
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SkPaintPriv::Flatten(paint, writer);
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SkAutoMalloc buf(writer.bytesWritten());
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writer.writeToMemory(buf.get());
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SkReadBuffer reader(buf.get(), writer.bytesWritten());
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SkPaint paint2;
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SkPaintPriv::Unflatten(&paint2, reader, nullptr);
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REPORTER_ASSERT(reporter, paint2 == paint);
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}}}
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#undef FOR_SETUP
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}
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// found and fixed for android: not initializing rect for string's of length 0
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DEF_TEST(Paint_regression_measureText, reporter) {
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SkFont font;
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font.setSize(12.0f);
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SkRect r;
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r.setLTRB(SK_ScalarNaN, SK_ScalarNaN, SK_ScalarNaN, SK_ScalarNaN);
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// test that the rect was reset
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font.measureText("", 0, SkTextEncoding::kUTF8, &r);
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REPORTER_ASSERT(reporter, r.isEmpty());
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}
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#define ASSERT(expr) REPORTER_ASSERT(r, expr)
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DEF_TEST(Paint_MoreFlattening, r) {
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SkPaint paint;
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paint.setColor(0x00AABBCC);
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paint.setBlendMode(SkBlendMode::kModulate);
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SkBinaryWriteBuffer writer;
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SkPaintPriv::Flatten(paint, writer);
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SkAutoMalloc buf(writer.bytesWritten());
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writer.writeToMemory(buf.get());
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SkReadBuffer reader(buf.get(), writer.bytesWritten());
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SkPaint other;
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SkPaintPriv::Unflatten(&other, reader, nullptr);
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ASSERT(reader.offset() == writer.bytesWritten());
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// No matter the encoding, these must always hold.
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ASSERT(other.getColor() == paint.getColor());
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ASSERT(other.getBlendMode() == paint.getBlendMode());
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}
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#include "include/effects/SkColorMatrixFilter.h"
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DEF_TEST(Paint_nothingToDraw, r) {
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SkPaint paint;
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REPORTER_ASSERT(r, !paint.nothingToDraw());
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paint.setAlpha(0);
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REPORTER_ASSERT(r, paint.nothingToDraw());
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paint.setAlpha(0xFF);
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paint.setBlendMode(SkBlendMode::kDst);
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REPORTER_ASSERT(r, paint.nothingToDraw());
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paint.setAlpha(0);
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paint.setBlendMode(SkBlendMode::kSrcOver);
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SkColorMatrix cm;
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cm.setIdentity(); // does not change alpha
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paint.setColorFilter(SkColorFilters::Matrix(cm));
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REPORTER_ASSERT(r, paint.nothingToDraw());
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cm.postTranslate(0, 0, 0, 1.0f/255); // wacks alpha
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paint.setColorFilter(SkColorFilters::Matrix(cm));
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REPORTER_ASSERT(r, !paint.nothingToDraw());
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}
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DEF_TEST(Font_getpos, r) {
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SkFont font;
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const char text[] = "Hamburgefons!@#!#23425,./;'[]";
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int count = font.countText(text, strlen(text), SkTextEncoding::kUTF8);
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SkAutoTArray<uint16_t> glyphStorage(count);
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uint16_t* glyphs = glyphStorage.get();
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(void)font.textToGlyphs(text, strlen(text), SkTextEncoding::kUTF8, glyphs, count);
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SkAutoTArray<SkScalar> widthStorage(count);
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SkAutoTArray<SkScalar> xposStorage(count);
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SkAutoTArray<SkPoint> posStorage(count);
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SkScalar* widths = widthStorage.get();
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SkScalar* xpos = xposStorage.get();
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SkPoint* pos = posStorage.get();
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for (bool subpix : { false, true }) {
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font.setSubpixel(subpix);
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for (auto hint : { SkFontHinting::kNone, SkFontHinting::kSlight, SkFontHinting::kNormal, SkFontHinting::kFull}) {
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font.setHinting(hint);
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for (auto size : { 1.0f, 12.0f, 100.0f }) {
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font.setSize(size);
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font.getWidths(glyphs, count, widths);
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font.getXPos(glyphs, count, xpos, 10);
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font.getPos(glyphs, count, pos, {10, 20});
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auto nearly_eq = [](SkScalar a, SkScalar b) {
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return SkScalarAbs(a - b) < 0.000001f;
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};
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SkScalar x = 10;
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for (int i = 0; i < count; ++i) {
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REPORTER_ASSERT(r, nearly_eq(x, xpos[i]));
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REPORTER_ASSERT(r, nearly_eq(x, pos[i].fX));
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REPORTER_ASSERT(r, nearly_eq(20, pos[i].fY));
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x += widths[i];
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}
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}
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}
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}
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}
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