C++ (Cpp) CanvasPattern 예제들

예제 #1

파일: CanvasRenderingContext2D.cpp 프로젝트: jackiekaon/owb-mirror

void CanvasRenderingContext2D::applyFillPattern()
{
    GraphicsContext* c = drawingContext();
    if (!c)
        return;

#if PLATFORM(CG)
    // Check for case where the pattern is already set.
    CGAffineTransform m = CGContextGetCTM(c->platformContext());
    if (state().m_appliedFillPattern
            && CGAffineTransformEqualToTransform(m, state().m_fillStylePatternTransform))
        return;

    CanvasPattern* pattern = state().m_fillStyle->pattern();
    if (!pattern)
        return;

    CGPatternRef platformPattern = pattern->createPattern(m);
    if (!platformPattern)
        return;

    CGColorSpaceRef patternSpace = CGColorSpaceCreatePattern(0);
    CGContextSetFillColorSpace(c->platformContext(), patternSpace);
    CGColorSpaceRelease(patternSpace);

    const CGFloat patternAlpha = 1;
    CGContextSetFillPattern(c->platformContext(), platformPattern, &patternAlpha);
    CGPatternRelease(platformPattern);

    state().m_fillStylePatternTransform = m;
#elif PLATFORM(QT)
    fprintf(stderr, "FIXME: CanvasRenderingContext2D::applyFillPattern\n");
#endif
    state().m_appliedFillPattern = true;
}

예제 #2

파일: CanvasRenderingContext2D.cpp 프로젝트: Gin-Rye/duibrowser

void CanvasRenderingContext2D::applyFillPattern()
{
    GraphicsContext* c = drawingContext();
    if (!c)
        return;

#if PLATFORM(CG)
    // Check for case where the pattern is already set.
    CGAffineTransform m = CGContextGetCTM(c->platformContext());
    if (state().m_appliedFillPattern
            && CGAffineTransformEqualToTransform(m, state().m_fillStylePatternTransform))
        return;

    CanvasPattern* pattern = state().m_fillStyle->pattern();
    if (!pattern)
        return;

    CGPatternRef platformPattern = pattern->createPattern(m);
    if (!platformPattern)
        return;

    CGColorSpaceRef patternSpace = CGColorSpaceCreatePattern(0);
    CGContextSetFillColorSpace(c->platformContext(), patternSpace);
    CGColorSpaceRelease(patternSpace);

    const CGFloat patternAlpha = 1;
    CGContextSetFillPattern(c->platformContext(), platformPattern, &patternAlpha);
    CGPatternRelease(platformPattern);

    state().m_fillStylePatternTransform = m;
#elif PLATFORM(QT)
    notImplemented();
#elif PLATFORM(CAIRO) && !PLATFORM(BAL)
    CanvasPattern* pattern = state().m_fillStyle->pattern();
    if (!pattern)
        return;

    cairo_t* cr = c->platformContext();
    cairo_matrix_t m;
    cairo_get_matrix(cr, &m);

    cairo_pattern_t* platformPattern = pattern->createPattern(m);
    if (!platformPattern)
        return;

    cairo_set_source(cr, platformPattern);
    cairo_pattern_destroy(platformPattern);
#elif PLATFORM(BAL)
    notImplemented();
#endif
    state().m_appliedFillPattern = true;
}