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C++ cairo_set_fill_rule函数代码示例

本文整理汇总了C++中cairo_set_fill_rule函数的典型用法代码示例。如果您正苦于以下问题：C++ cairo_set_fill_rule函数的具体用法？C++ cairo_set_fill_rule怎么用？C++ cairo_set_fill_rule使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。


在下文中一共展示了cairo_set_fill_rule函数的15个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: render

void render() {
	draw_fill(ctx, rgba(0,0,0,127));

	int stride = cairo_format_stride_for_width(CAIRO_FORMAT_ARGB32, window->width);
	cairo_surface_t * surface = cairo_image_surface_create_for_data(ctx->buffer, CAIRO_FORMAT_ARGB32, window->width, window->height, stride);
	cairo_t * cr = cairo_create(surface);

	cairo_set_line_width (cr, 6);

	cairo_rectangle (cr, 12, 12, 232, 70);
	cairo_new_sub_path (cr); cairo_arc (cr, 64, 64, 40, 0, 2*M_PI);
	cairo_new_sub_path (cr); cairo_arc_negative (cr, 192, 64, 40, 0, -2*M_PI);

	cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
	cairo_set_source_rgb (cr, 0, 0.7, 0); cairo_fill_preserve (cr);
	cairo_set_source_rgb (cr, 0, 0, 0); cairo_stroke (cr);

	cairo_translate (cr, 0, 128);
	cairo_rectangle (cr, 12, 12, 232, 70);
	cairo_new_sub_path (cr); cairo_arc (cr, 64, 64, 40, 0, 2*M_PI);
	cairo_new_sub_path (cr); cairo_arc_negative (cr, 192, 64, 40, 0, -2*M_PI);

	cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
	cairo_set_source_rgb (cr, 0, 0, 0.9); cairo_fill_preserve (cr);
	cairo_set_source_rgb (cr, 0, 0, 0); cairo_stroke (cr);

	cairo_surface_flush(surface);
	cairo_destroy(cr);
	cairo_surface_flush(surface);
	cairo_surface_destroy(surface);
}
开发者ID:Atomication，项目名称:toaruos，代码行数:31，代码来源:cairo-demo.c

示例2: draw

/* Fill the same path twice, once with each fill rule */
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
    cairo_set_source_rgb (cr, 1, 0, 0);

    cairo_translate (cr, 1, 1);
    little_star_path (cr);
    cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
    cairo_fill (cr);

    cairo_translate (cr, LITTLE_STAR_SIZE + 1, 0);
    little_star_path (cr);
    cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_fill (cr);

    cairo_translate (cr, -(LITTLE_STAR_SIZE + 1), LITTLE_STAR_SIZE + 1);
    big_star_path (cr);
    cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
    cairo_fill (cr);

    cairo_translate (cr, BIG_STAR_SIZE + 1, 0);
    big_star_path (cr);
    cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_fill (cr);

    return CAIRO_TEST_SUCCESS;
}
开发者ID:3oyka，项目名称:cairo2，代码行数:28，代码来源:fill-rule.c

示例3: clip_2

static void clip_2 (cairo_t *cr)
{
    cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);

    rounded_rectangle (cr, 50, 50, 100, 100, 15);
    rounded_rectangle (cr, 60, 60, 80, 80, 5);
    cairo_clip (cr);

    cairo_set_fill_rule (cr, CAIRO_FILL_RULE_WINDING);
}
开发者ID:AZed，项目名称:cairo，代码行数:10，代码来源:clip-mixed-antialias.c

示例4: platformPath

bool Path::contains(const FloatPoint& point, WindRule rule) const
{
    if (!isfinite(point.x()) || !isfinite(point.y()))
        return false;
    cairo_t* cr = platformPath()->context();
    cairo_fill_rule_t cur = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, rule == RULE_EVENODD ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);
    bool contains = cairo_in_fill(cr, point.x(), point.y());
    cairo_set_fill_rule(cr, cur);
    return contains;
}
开发者ID:bearmingo，项目名称:UI，代码行数:11，代码来源:PathCairo.cpp

示例5: qDebug

void QCairoPaintEngine::drawPolygon(const QPointF *points, int pointCount, QPaintEngine::PolygonDrawMode mode)
{
    if (!cr || !surface) {
        qDebug()<<"Cairo Error [QCairoPaintEngine::drawPolygon]: no cairo or no surface!";
        return;
    }
    /*if (cpen.style()==Qt::NoPen) {
        qDebug()<<"Cairo Error [QCairoPaintEngine::drawPolygon]: no pen set!";
        return;
    }*/
    if (mode!=QPaintEngine::PolylineMode && cbrush.style()==Qt::NoBrush && cpen.style()==Qt::NoPen) {
        qDebug()<<"Cairo Error [QCairoPaintEngine::drawPolygon]: no pen and no brush set!";
        return;
    }
    //updatePen();

    //qDebug()<<"drawPolygon n="<<pointCount;
    if (pointCount>1) {
        cairo_new_path(cr);
        cairo_move_to(cr, points[0].x(), points[0].y());
        for (int i=1; i<pointCount; i++) {
            cairo_line_to(cr, points[i].x(), points[i].y());
        }
        if (points[0].x()==points[pointCount-1].x() && points[0].y()==points[pointCount-1].y()){
            cairo_close_path(cr);
        } else if (mode!=QPaintEngine::PolylineMode) {
            cairo_close_path(cr);
        }
        if (mode==QPaintEngine::PolylineMode) {
            updatePen();
            cairo_stroke(cr);
        } else {
            switch (mode) {
                case QPaintEngine::WindingMode:
                    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_WINDING);
                    break;
                default:
                case QPaintEngine::OddEvenMode:
                    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
                    break;
            }


            updateBrush();
            if (cpen.style()!=Qt::NoPen) {
                cairo_fill_preserve(cr);
                updatePen();
                cairo_stroke(cr);
            } else cairo_fill(cr);
        }
    }

}
开发者ID:jkriege2，项目名称:cairoQPaintDevice，代码行数:53，代码来源:qcairopaintengine.cpp

示例6: uiDrawClip

void uiDrawClip(uiDrawContext *c, uiDrawPath *path)
{
	runPath(path, c->cr);
	switch (pathFillMode(path)) {
	case uiDrawFillModeWinding:
		cairo_set_fill_rule(c->cr, CAIRO_FILL_RULE_WINDING);
		break;
	case uiDrawFillModeAlternate:
		cairo_set_fill_rule(c->cr, CAIRO_FILL_RULE_EVEN_ODD);
		break;
	}
	cairo_clip(c->cr);
}
开发者ID:08opt，项目名称:libui，代码行数:13，代码来源:draw.c

示例7: platformContext

void GraphicsContext::clip(const FloatRect& rect)
{
    if (paintingDisabled())
        return;

    cairo_t* cr = platformContext()->cr();
    cairo_rectangle(cr, rect.x(), rect.y(), rect.width(), rect.height());
    cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_WINDING);
    cairo_clip(cr);
    cairo_set_fill_rule(cr, savedFillRule);
    m_data->clip(rect);
}
开发者ID:sysrqb，项目名称:chromium-src，代码行数:13，代码来源:GraphicsContextCairo.cpp

示例8: cairo_copy_path

void GraphicsContext::clip(const Path& path)
{
    if (paintingDisabled())
        return;

    cairo_t* cr = m_data->cr;
    cairo_path_t* p = cairo_copy_path(path.platformPath()->m_cr);
    cairo_append_path(cr, p);
    cairo_path_destroy(p);
    cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_WINDING);
    cairo_clip(cr);
    cairo_set_fill_rule(cr, savedFillRule);
    m_data->clip(path);
}
开发者ID:Katarzynasrom，项目名称:patch-hosting-for-android-x86-support，代码行数:15，代码来源:GraphicsContextCairo.cpp

示例9: platformContext

void GraphicsContext::clipOut(const IntRect& r)
{
    if (paintingDisabled())
        return;

    cairo_t* cr = platformContext()->cr();
    double x1, y1, x2, y2;
    cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
    cairo_rectangle(cr, x1, y1, x2 - x1, y2 - y1);
    cairo_rectangle(cr, r.x(), r.y(), r.width(), r.height());
    cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_clip(cr);
    cairo_set_fill_rule(cr, savedFillRule);
}
开发者ID:ZeusbaseWeb，项目名称:webkit，代码行数:15，代码来源:GraphicsContextCairo.cpp

示例10: box_outline_aa_fill

static cairo_time_t
box_outline_aa_fill (cairo_t *cr, int width, int height, int loops)
{
    cairo_set_source_rgb (cr, 0, 0, 1); /* blue */
    cairo_paint (cr);

    cairo_translate (cr, .5, .5);
    cairo_rectangle (cr,
		     1.0, 1.0,
		     width - 2, height - 2);
    cairo_rectangle (cr,
		     2.0, 2.0,
		     width - 4, height - 4);
    cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_set_source_rgb (cr, 0, 1, 0); /* green */

    cairo_perf_timer_start ();
    cairo_perf_set_thread_aware (cr, FALSE);

    while (loops--) {
	if (loops == 0)
	    cairo_perf_set_thread_aware (cr, TRUE);
	cairo_fill_preserve (cr);
    }

    cairo_perf_timer_stop ();

    cairo_new_path (cr);

    return cairo_perf_timer_elapsed ();
}
开发者ID:csyuschmjuh，项目名称:apl，代码行数:31，代码来源:box-outline.c

示例11: cairo_save

void GraphicsContext::drawConvexPolygon(size_t npoints, const FloatPoint* points, bool shouldAntialias)
{
    if (paintingDisabled())
        return;

    if (npoints <= 1)
        return;

    cairo_t* cr = m_data->cr;

    cairo_save(cr);
    cairo_set_antialias(cr, shouldAntialias ? CAIRO_ANTIALIAS_DEFAULT : CAIRO_ANTIALIAS_NONE);
    cairo_move_to(cr, points[0].x(), points[0].y());
    for (size_t i = 1; i < npoints; i++)
        cairo_line_to(cr, points[i].x(), points[i].y());
    cairo_close_path(cr);

    if (fillColor().alpha()) {
        setColor(cr, fillColor());
        cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
        cairo_fill_preserve(cr);
    }

    if (strokeStyle() != NoStroke) {
        setColor(cr, strokeColor());
        cairo_set_line_width(cr, strokeThickness());
        cairo_stroke(cr);
    }

    cairo_new_path(cr);
    cairo_restore(cr);
}
开发者ID:jackiekaon，项目名称:owb-mirror，代码行数:32，代码来源:GraphicsContextCairo.cpp

示例12: cairo_save

void GraphicsContext::fillPath()
{
    if (paintingDisabled())
        return;

    cairo_t* cr = m_data->cr;
    cairo_save(cr);

    cairo_set_fill_rule(cr, fillRule() == RULE_EVENODD ? CAIRO_FILL_RULE_EVEN_ODD : CAIRO_FILL_RULE_WINDING);
    switch (m_common->state.fillColorSpace) {
    case SolidColorSpace:
        setColor(cr, fillColor());
        cairo_clip(cr);
        cairo_paint_with_alpha(cr, m_common->state.globalAlpha);
        break;
    case PatternColorSpace: {
        TransformationMatrix affine;
        cairo_set_source(cr, m_common->state.fillPattern->createPlatformPattern(affine));
        cairo_clip(cr);
        cairo_paint_with_alpha(cr, m_common->state.globalAlpha);
        break;
    }
    case GradientColorSpace:
        cairo_pattern_t* pattern = m_common->state.fillGradient->platformGradient();
        pattern = applySpreadMethod(pattern, spreadMethod());
        cairo_set_source(cr, pattern);
        cairo_clip(cr);
        cairo_paint_with_alpha(cr, m_common->state.globalAlpha);
        break;
    }
    cairo_restore(cr);
}
开发者ID:Katarzynasrom，项目名称:patch-hosting-for-android-x86-support，代码行数:32，代码来源:GraphicsContextCairo.cpp

示例13: cairo_clip_extents

void GraphicsContext::clipOut(const Path& path)
{
    if (paintingDisabled())
        return;

    cairo_t* cr = m_data->cr;
    double x1, y1, x2, y2;
    cairo_clip_extents(cr, &x1, &y1, &x2, &y2);
    cairo_rectangle(cr, x1, y1, x2 - x1, y2 - y1);
    addPath(path);

    cairo_fill_rule_t savedFillRule = cairo_get_fill_rule(cr);
    cairo_set_fill_rule(cr, CAIRO_FILL_RULE_EVEN_ODD);
    cairo_clip(cr);
    cairo_set_fill_rule(cr, savedFillRule);
}
开发者ID:acss，项目名称:owb-mirror，代码行数:16，代码来源:GraphicsContextCairo.cpp

示例14: process

static gboolean
process (GeglOperation       *operation,
         GeglBuffer          *input,
         GeglBuffer          *output,
         const GeglRectangle *result,
         gint                 level)
{
  GeglChantO *o = GEGL_CHANT_PROPERTIES (operation);
  gboolean need_fill = FALSE;
  gdouble r,g,b,a;

  if (input)
    {
      gegl_buffer_copy (input, result, output, result);
    }
  else
    {
      gegl_buffer_clear (output, result);
    }


  if (o->opacity > 0.0001 && o->color)
    {
      gegl_color_get_rgba (o->color, &r,&g,&b,&a);
      a *= o->opacity;
      if (a>0.001)
          need_fill=TRUE;
    }

  if (need_fill)
    {
      GStaticMutex mutex = G_STATIC_MUTEX_INIT;
      cairo_t *cr;
      cairo_surface_t *surface;
      guchar *data;


      g_static_mutex_lock (&mutex);
      data = (void*)gegl_buffer_linear_open (output, result, NULL, babl_format ("B'aG'aR'aA u8"));
      surface = cairo_image_surface_create_for_data (data,
                                                     CAIRO_FORMAT_ARGB32,
                                                     result->width,
                                                     result->height,
                                                     result->width * 4);

      cr = cairo_create (surface);
      cairo_translate (cr, -result->x, -result->y);
      if (g_str_equal (o->fill_rule, "evenodd"))
          cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);

      gegl_path_cairo_play (o->d, cr);
      cairo_set_source_rgba (cr, r,g,b,a);
      cairo_fill (cr);
      cairo_destroy (cr);

      gegl_buffer_linear_close (output, data);
      g_static_mutex_unlock (&mutex);
    }
  return  TRUE;
}
开发者ID:kleopatra999，项目名称:gegl-global-matting，代码行数:60，代码来源:vector-fill.c

示例15: begin_render

static void
begin_render(DiaRenderer *self)
{
  DiaCairoInteractiveRenderer *renderer = DIA_CAIRO_INTERACTIVE_RENDERER (self);
  DiaCairoRenderer *base_renderer = DIA_CAIRO_RENDERER (self);

  g_return_if_fail (base_renderer->cr == NULL);
#if GTK_CHECK_VERSION(2,8,0)
  base_renderer->cr = gdk_cairo_create(renderer->pixmap);
#else
  base_renderer->surface = cairo_image_surface_create (
                             CAIRO_FORMAT_ARGB32, get_width_pixels (self), get_height_pixels (self));
  base_renderer->cr = cairo_create (base_renderer->surface);
#endif

  cairo_scale (base_renderer->cr, *renderer->zoom_factor, *renderer->zoom_factor);
  cairo_translate (base_renderer->cr, -renderer->visible->left, -renderer->visible->top);

#ifdef HAVE_PANGOCAIRO_H
  base_renderer->layout = pango_cairo_create_layout (base_renderer->cr);
#endif

  cairo_set_fill_rule (base_renderer->cr, CAIRO_FILL_RULE_EVEN_ODD);

#if 0
  /* should we set the background color? Or do nothing at all? */
  /* if this is drawn you can see 'clipping in action', outside of the clip it gets yellow ;) */
  cairo_set_source_rgba (base_renderer->cr, 1.0, 1.0, .8, 1.0);
  cairo_set_operator (base_renderer->cr, CAIRO_OPERATOR_OVER);
  cairo_rectangle (base_renderer->cr, 0, 0, renderer->width, renderer->height);
  cairo_fill (base_renderer->cr);
#endif
}
开发者ID:krattai，项目名称:monoflow，代码行数:33，代码来源:diacairo-interactive.c


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