/*
 * Unit test suite for brushes
 *
 * Copyright (C) 2007 Google (Evan Stade)
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
 */

#include "windows.h"
#include "gdiplus.h"
#include "wine/test.h"
#include <math.h>

#define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got)
#define expectf(expected, got) ok(fabs(expected - got) < 0.0001, "Expected %.2f, got %.2f\n", expected, got)

static void test_constructor_destructor(void)
{
    GpStatus status;
    GpSolidFill *brush = NULL;

    status = GdipCreateSolidFill((ARGB)0xdeadbeef, &brush);
    expect(Ok, status);
    ok(brush != NULL, "Expected brush to be initialized\n");

    status = GdipDeleteBrush(NULL);
    expect(InvalidParameter, status);

    status = GdipDeleteBrush((GpBrush*) brush);
    expect(Ok, status);
}

static void test_type(void)
{
    GpStatus status;
    GpBrushType bt;
    GpSolidFill *brush = NULL;

    GdipCreateSolidFill((ARGB)0xdeadbeef, &brush);

    status = GdipGetBrushType((GpBrush*)brush, &bt);
    expect(Ok, status);
    expect(BrushTypeSolidColor, bt);

    GdipDeleteBrush((GpBrush*) brush);
}
static GpPointF blendcount_ptf[] = {{0.0, 0.0},
                                    {50.0, 50.0}};
static void test_gradientblendcount(void)
{
    GpStatus status;
    GpPathGradient *brush;
    INT count;

    status = GdipCreatePathGradient(blendcount_ptf, 2, WrapModeClamp, &brush);
    expect(Ok, status);

    status = GdipGetPathGradientBlendCount(NULL, NULL);
    expect(InvalidParameter, status);
    status = GdipGetPathGradientBlendCount(NULL, &count);
    expect(InvalidParameter, status);
    status = GdipGetPathGradientBlendCount(brush, NULL);
    expect(InvalidParameter, status);

    status = GdipGetPathGradientBlendCount(brush, &count);
    expect(Ok, status);
    expect(1, count);

    GdipDeleteBrush((GpBrush*) brush);
}

static GpPointF getblend_ptf[] = {{0.0, 0.0},
                                  {50.0, 50.0}};
static void test_getblend(void)
{
    GpStatus status;
    GpPathGradient *brush;
    REAL blends[4];
    REAL pos[4];

    status = GdipCreatePathGradient(getblend_ptf, 2, WrapModeClamp, &brush);
    expect(Ok, status);

    /* check some invalid parameters combinations */
    status = GdipGetPathGradientBlend(NULL, NULL,  NULL, -1);
    expect(InvalidParameter, status);
    status = GdipGetPathGradientBlend(brush,NULL,  NULL, -1);
    expect(InvalidParameter, status);
    status = GdipGetPathGradientBlend(NULL, blends,NULL, -1);
    expect(InvalidParameter, status);
    status = GdipGetPathGradientBlend(NULL, NULL,  pos,  -1);
    expect(InvalidParameter, status);
    status = GdipGetPathGradientBlend(NULL, NULL,  NULL,  1);
    expect(InvalidParameter, status);

    blends[0] = (REAL)0xdeadbeef;
    pos[0]    = (REAL)0xdeadbeef;
    status = GdipGetPathGradientBlend(brush, blends, pos, 1);
    expect(Ok, status);
    expectf(1.0, blends[0]);
    expectf((REAL)0xdeadbeef, pos[0]);

    GdipDeleteBrush((GpBrush*) brush);
}

static GpPointF getbounds_ptf[] = {{0.0, 20.0},
                                   {50.0, 50.0},
                                   {21.0, 25.0},
                                   {25.0, 46.0}};
static void test_getbounds(void)
{
    GpStatus status;
    GpPathGradient *brush;
    GpRectF bounds;

    status = GdipCreatePathGradient(getbounds_ptf, 4, WrapModeClamp, &brush);
    expect(Ok, status);

    status = GdipGetPathGradientRect(NULL, NULL);
    expect(InvalidParameter, status);
    status = GdipGetPathGradientRect(brush, NULL);
    expect(InvalidParameter, status);
    status = GdipGetPathGradientRect(NULL, &bounds);
    expect(InvalidParameter, status);

    status = GdipGetPathGradientRect(brush, &bounds);
    expect(Ok, status);
    expectf(0.0, bounds.X);
    expectf(20.0, bounds.Y);
    expectf(50.0, bounds.Width);
    expectf(30.0, bounds.Height);

    GdipDeleteBrush((GpBrush*) brush);
}

static void test_getgamma(void)
{
    GpStatus status;
    GpLineGradient *line;
    GpPointF start, end;
    BOOL gamma;

    start.X = start.Y = 0.0;
    end.X = end.Y = 100.0;

    status = GdipCreateLineBrush(&start, &end, (ARGB)0xdeadbeef, 0xdeadbeef, WrapModeTile, &line);
    expect(Ok, status);

    /* NULL arguments */
    status = GdipGetLineGammaCorrection(NULL, NULL);
    expect(InvalidParameter, status);
    status = GdipGetLineGammaCorrection(line, NULL);
    expect(InvalidParameter, status);
    status = GdipGetLineGammaCorrection(NULL, &gamma);
    expect(InvalidParameter, status);

    GdipDeleteBrush((GpBrush*)line);
}

START_TEST(brush)
{
    struct GdiplusStartupInput gdiplusStartupInput;
    ULONG_PTR gdiplusToken;

    gdiplusStartupInput.GdiplusVersion              = 1;
    gdiplusStartupInput.DebugEventCallback          = NULL;
    gdiplusStartupInput.SuppressBackgroundThread    = 0;
    gdiplusStartupInput.SuppressExternalCodecs      = 0;

    GdiplusStartup(&gdiplusToken, &gdiplusStartupInput, NULL);

    test_constructor_destructor();
    test_type();
    test_gradientblendcount();
    test_getblend();
    test_getbounds();
    test_getgamma();

    GdiplusShutdown(gdiplusToken);
}