gecko-dev/other-licenses/skia-npapi/ANPPath.cpp

/*
 * Copyright 2009, The Android Open Source Project
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *  * Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *  * Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

// must include config.h first for webkit to fiddle with new/delete
#include "SkANP.h"

static ANPPath* anp_newPath() {
    return new ANPPath;
}

static void anp_deletePath(ANPPath* path) {
    delete path;
}

static void anp_copy(ANPPath* dst, const ANPPath* src) {
    *dst = *src;
}

static bool anp_equal(const ANPPath* p0, const ANPPath* p1) {
    return *p0 == *p1;
}

static void anp_reset(ANPPath* path) {
    path->reset();
}

static bool anp_isEmpty(const ANPPath* path) {
    return path->isEmpty();
}

static void anp_getBounds(const ANPPath* path, ANPRectF* bounds) {
    SkANP::SetRect(bounds, path->getBounds());
}

static void anp_moveTo(ANPPath* path, float x, float y) {
    path->moveTo(SkFloatToScalar(x), SkFloatToScalar(y));
}

static void anp_lineTo(ANPPath* path, float x, float y) {
    path->lineTo(SkFloatToScalar(x), SkFloatToScalar(y));
}

static void anp_quadTo(ANPPath* path, float x0, float y0, float x1, float y1) {
    path->quadTo(SkFloatToScalar(x0), SkFloatToScalar(y0),
                 SkFloatToScalar(x1), SkFloatToScalar(y1));
}

static void anp_cubicTo(ANPPath* path, float x0, float y0,
                        float x1, float y1, float x2, float y2) {
    path->cubicTo(SkFloatToScalar(x0), SkFloatToScalar(y0),
                  SkFloatToScalar(x1), SkFloatToScalar(y1),
                  SkFloatToScalar(x2), SkFloatToScalar(y2));
}

static void anp_close(ANPPath* path) {
    path->close();
}

static void anp_offset(ANPPath* path, float dx, float dy, ANPPath* dst) {
    path->offset(SkFloatToScalar(dx), SkFloatToScalar(dy), dst);
}

static void anp_transform(ANPPath* src, const ANPMatrix* matrix,
                          ANPPath* dst) {
    src->transform(*matrix, dst);
}

///////////////////////////////////////////////////////////////////////////////

#define ASSIGN(obj, name)   (obj)->name = anp_##name

void InitPathInterface(ANPPathInterfaceV0* i) {
    ASSIGN(i, newPath);
    ASSIGN(i, deletePath);
    ASSIGN(i, copy);
    ASSIGN(i, equal);
    ASSIGN(i, reset);
    ASSIGN(i, isEmpty);
    ASSIGN(i, getBounds);
    ASSIGN(i, moveTo);
    ASSIGN(i, lineTo);
    ASSIGN(i, quadTo);
    ASSIGN(i, cubicTo);
    ASSIGN(i, close);
    ASSIGN(i, offset);
    ASSIGN(i, transform);
}