chromium/third_party/skia/src/core/SkLatticeIter.cpp

/*
 * Copyright 2015 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#include "src/core/SkLatticeIter.h"

#include "include/core/SkMatrix.h"
#include "include/core/SkRect.h"
#include "include/private/base/SkAssert.h"
#include "include/private/base/SkTo.h"

#include <cstdint>

/**
 *  Divs must be in increasing order with no duplicates.
 */
static bool valid_divs(const int* divs, int count, int start, int end) { … }

bool SkLatticeIter::Valid(int width, int height, const SkCanvas::Lattice& lattice) { … }

/**
 *  Count the number of pixels that are in "scalable" patches.
 */
static int count_scalable_pixels(const int32_t* divs, int numDivs, bool firstIsScalable,
                                 int start, int end) { … }

/**
 *  Set points for the src and dst rects on subsequent draw calls.
 */
static void set_points(float* dst, int* src, const int* divs, int divCount, int srcFixed,
                       int srcScalable, int srcStart, int srcEnd, float dstStart, float dstEnd,
                       bool isScalable) { … }

SkLatticeIter::SkLatticeIter(const SkCanvas::Lattice& lattice, const SkRect& dst) { … }

bool SkLatticeIter::Valid(int width, int height, const SkIRect& center) { … }

SkLatticeIter::SkLatticeIter(int w, int h, const SkIRect& c, const SkRect& dst) { … }

bool SkLatticeIter::next(SkIRect* src, SkRect* dst, bool* isFixedColor, SkColor* fixedColor) { … }

void SkLatticeIter::mapDstScaleTranslate(const SkMatrix& matrix) { … }