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C++ cairo_set_antialias函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中cairo_set_antialias函数的典型用法代码示例。如果您正苦于以下问题：C++ cairo_set_antialias函数的具体用法？C++ cairo_set_antialias怎么用？C++ cairo_set_antialias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_antialias函数的20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，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: draw

static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
    cairo_set_source_rgb (cr, 0, 0, 0);
    cairo_paint (cr);

    cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
    cairo_move_to(cr, 85, -465);
    cairo_line_to(cr, 3, 4.1);
    cairo_line_to(cr, -145, -25);
    cairo_close_path(cr);
    cairo_clip(cr);

    cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT);
    cairo_move_to(cr, -139, -524);
    cairo_line_to(cr, 78, 44);
    cairo_line_to(cr, -229, -10);
    cairo_close_path(cr);
    cairo_clip(cr);

    cairo_set_source_rgb (cr, 1, 1, 1);
    cairo_paint (cr);

    return CAIRO_TEST_SUCCESS;
}
开发者ID:zwcloud，项目名称:CairoSharp，代码行数:25，代码来源:clip-complex-bug61592.c


示例2: _draw_round_box

static void _draw_round_box(cairo_t* cr, gint width, gint height, double radius)
{
    cairo_set_antialias(cr, CAIRO_ANTIALIAS_BEST);

    double xc = radius, yc = radius;
    double angle1 = 180.0  * (M_PI/180.0);  /* angles are specified */
    double angle2 = 270.0 * (M_PI/180.0);  /* in radians           */

    cairo_arc (cr, xc, yc, radius, angle1, angle2);

    xc = width - radius;
    angle1 = 270.0 * (M_PI/180.0);
    angle2 = 360.0 * (M_PI/180.0);
    cairo_arc (cr, xc, yc, radius, angle1, angle2);

    yc = height - radius;
    angle1 = 0.0 * (M_PI/180.0);
    angle2 = 90.0 * (M_PI/180.0);
    cairo_arc (cr, xc, yc, radius, angle1, angle2);

    xc = radius;
    angle1 = 90.0 * (M_PI/180.0);
    angle2 = 180.0 * (M_PI/180.0);
    cairo_arc (cr, xc, yc, radius, angle1, angle2);

    cairo_set_antialias(cr, CAIRO_ANTIALIAS_DEFAULT);
    cairo_close_path(cr);
}
开发者ID:linuxdeepin，项目名称:deepin-metacity，代码行数:28，代码来源:deepin-workspace-overview.c


示例3: expose_event

/**
 * Handle GTK expose-events
 */
static void expose_event(GtkWidget* widget, GdkEventExpose* event, Console* console)
{
  console->width = widget->allocation.width;
  console->height = widget->allocation.height;

  cairo_t* context = gdk_cairo_create(widget->window);

  /* background */
  cairo_set_source_rgba(context, 1, 1, 1, console->transparency);
  cairo_paint(context);

  /* options */
  if (console->transparency < 1.0) {
    cairo_set_operator(context, CAIRO_OPERATOR_SOURCE); 
  }
  if (console->antialias_graphics == true) {
    cairo_set_antialias(context, CAIRO_ANTIALIAS_DEFAULT);
  } else {
    cairo_set_antialias(context, CAIRO_ANTIALIAS_NONE);
  }

  /* draw the console */
  cairo_save(context);
  Console_expose(console, context); 
  cairo_restore(context);
  
  cairo_destroy(context);
}
开发者ID:antoinevg，项目名称:xo-lambda，代码行数:31，代码来源:main_gtk.c


示例4: cairo_set_antialias

void
gfxContext::SetAntialiasMode(AntialiasMode mode)
{
    if (mode == MODE_ALIASED) {
        cairo_set_antialias(mCairo, CAIRO_ANTIALIAS_NONE);
    } else if (mode == MODE_COVERAGE) {
        cairo_set_antialias(mCairo, CAIRO_ANTIALIAS_DEFAULT);
    }
}
开发者ID:typ4rk，项目名称:mozilla-history，代码行数:9，代码来源:gfxContext.cpp


示例5: clip_1

static void clip_1 (cairo_t *cr)
{
    cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);

    cairo_arc (cr, 100, 100, 125, 0, 2*M_PI);
    cairo_clip (cr);

    cairo_set_antialias (cr, CAIRO_ANTIALIAS_DEFAULT);
}
开发者ID:AZed，项目名称:cairo，代码行数:9，代码来源:clip-mixed-antialias.c


示例6: clip_3

static void clip_3 (cairo_t *cr)
{
    cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);

    cairo_rectangle (cr, 40.25, 60.25, 120, 80);
    cairo_rectangle (cr, 60.25, 40.25, 80, 120);
    cairo_clip (cr);

    cairo_set_antialias (cr, CAIRO_ANTIALIAS_DEFAULT);
}
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7: uber_heat_map_render_fast

/**
 * uber_heat_map_render_fast:
 * @graph: A #UberGraph.
 *
 * XXX
 *
 * Returns: None.
 * Side effects: None.
 */
static void
uber_heat_map_render_fast (UberGraph    *graph, /* IN */
                           cairo_t      *cr,    /* IN */
                           GdkRectangle *area,  /* IN */
                           guint         epoch, /* IN */
                           gfloat        each)  /* IN */
{
    UberGraphPrivate *priv;
    gfloat height;
    gint i;

    g_return_if_fail(UBER_IS_HEAT_MAP(graph));

    priv = graph->priv;
    /*
     * XXX: Temporarily draw nice little squares.
     */
#define COUNT 10
    height = area->height / (gfloat)COUNT;
    for (i = 0; i < COUNT; i++) {
        cairo_rectangle(cr,
                        area->x + area->width - each,
                        area->y + (i * height),
                        each,
                        height);
        cairo_set_source_rgba(cr, .1, .1, .8,
                              g_random_double_range(0., 1.));
        cairo_set_antialias(cr, CAIRO_ANTIALIAS_NONE);
        cairo_fill(cr);
    }
}
开发者ID:radii，项目名称:uber，代码行数:40，代码来源:uber-heat-map.c


示例8: gra2cairo_set_antialias

void
gra2cairo_set_antialias(struct gra2cairo_local *local, int antialias)
{
  if (local->cairo == NULL)
    return;

  local->antialias = antialias;

  switch (antialias) {
  case ANTIALIAS_TYPE_NONE:
    antialias = CAIRO_ANTIALIAS_NONE;
    break;
  case ANTIALIAS_TYPE_DEFAULT:
    antialias = CAIRO_ANTIALIAS_DEFAULT;
    break;
  case ANTIALIAS_TYPE_GRAY:
    antialias = CAIRO_ANTIALIAS_GRAY;
    break;
  case ANTIALIAS_TYPE_SUBPIXEL:
    antialias = CAIRO_ANTIALIAS_SUBPIXEL;
    break;
  }

  cairo_set_antialias(local->cairo, antialias);
}
开发者ID:htrb，项目名称:ngraph-gtk，代码行数:25，代码来源:ogra2cairo.c


示例9: draw

static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
    static const struct point {
	double x;
	double y;
    } xy[] = {
	{ 627.016212, 221.749777 },
	{ 756.120787, 221.749777 },
	{ 756.120787, 557.602766 },
	{ 626.952721, 557.602766 },
	{ 626.548456, 493.315729 },
    };
    unsigned int i;

    cairo_set_source_rgb (cr, 0, 0, 0);
    cairo_paint (cr);

    for (i = 0; i < sizeof (xy) / sizeof (xy[0]); i++)
	cairo_line_to (cr, xy[i].x, xy[i].y);

    cairo_set_source_rgb (cr, 1, 0, 0);
    cairo_fill_preserve (cr);

    cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);
    cairo_set_source_rgb (cr, 0, 1, 0);
    cairo_fill (cr);

    return CAIRO_TEST_SUCCESS;
}
开发者ID:JamalAbuDayyeh，项目名称:pdf4ax，代码行数:30，代码来源:a1-bug.c


示例10: on_composited_changed

void on_composited_changed ( GdkScreen *screen,
			   gpointer   user_data)
{
  GromitData *data = (GromitData *) user_data;

  if(data->debug)
    g_printerr("DEBUG: got composited-changed event\n");

  data->composited = gdk_screen_is_composited (data->screen);

  if(data->composited)
    {
      // undo shape
      gtk_widget_shape_combine_region(data->win, NULL);
      // re-apply transparency
      gtk_window_set_opacity(GTK_WINDOW(data->win), 0.75);
    }

  // set anti-aliasing
  GHashTableIter it;
  gpointer value;
  g_hash_table_iter_init (&it, data->tool_config);
  while (g_hash_table_iter_next (&it, NULL, &value)) 
    {
      GromitPaintContext *context = value;
      cairo_set_antialias(context->paint_ctx, data->composited ? CAIRO_ANTIALIAS_DEFAULT : CAIRO_ANTIALIAS_NONE);
    }
      

  GdkRectangle rect = {0, 0, data->width, data->height};
  gdk_window_invalidate_rect(gtk_widget_get_window(data->win), &rect, 0); 
}
开发者ID:Gwyki，项目名称:gromit-mpx，代码行数:32，代码来源:callbacks.c


示例11: BM_Open

static Rboolean
BM_Open(pDevDesc dd, pX11Desc xd, int width, int height)
{
    cairo_status_t res;
    if (xd->type == PNG || xd->type == JPEG ||
	xd->type == TIFF || xd->type == BMP) {
	xd->cs = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
					    xd->windowWidth,
					    xd->windowHeight);
    } else if (xd->type == PNGdirect) {
	xd->cs = cairo_image_surface_create(CAIRO_FORMAT_ARGB32,
					    xd->windowWidth,
					    xd->windowHeight);
    } else if(xd->type == SVG || xd->type == PDF || xd->type == PS) {
	/* leave creation to BM_Newpage */
	return TRUE;
    } else
	error(_("unimplemented cairo-based device"));

    res = cairo_surface_status(xd->cs);
    if (res != CAIRO_STATUS_SUCCESS) {
	warning("cairo error '%s'", cairo_status_to_string(res));
	return FALSE;
    }
    xd->cc = cairo_create(xd->cs);
    res = cairo_status(xd->cc);
    if (res != CAIRO_STATUS_SUCCESS) {
	warning("cairo error '%s'", cairo_status_to_string(res));
	return FALSE;
    }
    cairo_set_operator(xd->cc, CAIRO_OPERATOR_OVER);
    cairo_reset_clip(xd->cc);
    cairo_set_antialias(xd->cc, xd->antialias);
    return TRUE;
}
开发者ID:SvenDowideit，项目名称:clearlinux，代码行数:35，代码来源:cairoBM.c


示例12: uber_line_graph_stylize_line

/**
 * uber_line_graph_stylize_line:
 * @graph: A #UberLineGraph.
 *
 * XXX
 *
 * Returns: None.
 * Side effects: None.
 */
static void
uber_line_graph_stylize_line (UberLineGraph *graph, /* IN */
                              LineInfo      *info,  /* IN */
                              cairo_t       *cr)    /* IN */
{
	UberLineGraphPrivate *priv;

	g_return_if_fail(UBER_IS_LINE_GRAPH(graph));
	g_return_if_fail(info != NULL);

	priv = graph->priv;
	if (info->dashes) {
		cairo_set_dash(cr, info->dashes, info->num_dashes, info->dash_offset);
	} else {
		cairo_set_dash(cr, NULL, 0, 0);
	}
	cairo_set_line_cap(cr, CAIRO_LINE_CAP_ROUND);
	cairo_set_line_join(cr, CAIRO_LINE_JOIN_ROUND);
	cairo_set_line_width(cr, info->width);
	cairo_set_antialias(cr, priv->antialias);
	cairo_set_source_rgba(cr,
	                      info->color.red / 65535.,
	                      info->color.green / 65535.,
	                      info->color.blue / 65535.,
	                      info->alpha);
}
开发者ID:djandruczyk，项目名称:uber-graph，代码行数:35，代码来源:uber-line-graph.c


示例13: on_badge_draw

static gboolean on_badge_draw(ClutterCanvas* canvas, cairo_t* cr,
        gint width, gint height, ClutterActor* badge)
{
    g_debug("%s: %d,%d, ", __func__, width, height);

    cairo_set_antialias(cr, CAIRO_ANTIALIAS_BEST);
    cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
    cairo_set_source_rgba(cr, 0.0, 0.0, 0.0, 1.0);
    cairo_paint_with_alpha(cr, 0.0);

    cairo_arc(cr, width/2, height/2, MIN(width, height)/2.0, 0, 2*M_PI);
    cairo_close_path(cr);

    cairo_set_operator(cr, CAIRO_OPERATOR_OVER);
    cairo_set_source_rgba(cr, 0.6, 0.2, 0.2, 0.8);
    cairo_fill(cr);

    char title[20];
    snprintf(title, 19, "%d", GPOINTER_TO_INT(g_object_get_qdata(G_OBJECT(badge), moses_overview_window_clone_order())));
    cairo_set_source_rgba(cr, 1.0, 1.0, 1.0, 1.0);

    cairo_select_font_face(cr, "fantasy", CAIRO_FONT_SLANT_NORMAL, CAIRO_FONT_WEIGHT_BOLD);
    cairo_set_font_size(cr, 28.0);

    cairo_text_extents_t te;
    cairo_text_extents(cr, title, &te);
    cairo_move_to(cr, (width - te.width)/2.0 - te.x_bearing, (height - te.height)/2.0 - te.y_bearing);
    cairo_show_text(cr, title);

    return TRUE;
}
开发者ID:AOSC-Dev，项目名称:elsa-shell，代码行数:31，代码来源:overview.c


示例14: fill

static cairo_test_status_t
fill (cairo_t *cr, int width, int height)
{
    int i, j;

    /* Fill background white */
    cairo_set_source_rgb (cr, 1, 1, 1);
    cairo_paint (cr);

    /* Draw in black */
    cairo_set_source_rgb (cr, 0, 0, 0);

    cairo_translate (cr, PAD, PAD);
    cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);

    for (i = 0; i < POINTS; i++)
	for (j = 0; j < POINTS; j++) {
	    cairo_save (cr);
	    cairo_rectangle (cr, 2 * i + i * STEP, 2 * j + j * STEP, 1, 1);
	    cairo_clip (cr);
	    cairo_rectangle (cr, 2 * i, 2 * j, 2, 2);
	    cairo_fill (cr);
	    cairo_restore (cr);
	}

    return CAIRO_TEST_SUCCESS;
}
开发者ID:AZed，项目名称:cairo，代码行数:27，代码来源:a1-clip.c


示例15: _cairo_create

static PyObject * 
_cairo_create(PyObject *self, PyObject *args)
{
    xcb_connection_t *connection;
    xcb_visualtype_t *visual;
    xcb_window_t window;
    cairo_surface_t * surface;
    cairo_t * cairo;
    int width, height;

    if (!PyArg_ParseTuple(args, "lIlii", &connection, &window, &visual, &width, &height))
        return NULL;

    surface = cairo_xcb_surface_create(connection,
            window,
            visual,
            width,
            height);

    cairo = cairo_create(surface);
    cairo_set_antialias(cairo, CAIRO_ANTIALIAS_NONE);
    cairo_surface_destroy(surface);

    return Py_BuildValue("l", cairo);
}
开发者ID:Roger，项目名称:caw，代码行数:25，代码来源:cawc.c


示例16: cr_set_antialias

static VALUE
cr_set_antialias(VALUE self, VALUE antialias)
{
  cairo_set_antialias(_SELF, RVAL2CRANTIALIAS (antialias));
  cr_check_status(_SELF);
  return self;
}
开发者ID:exvayn，项目名称:cairo-1.8.1-i386，代码行数:7，代码来源:rb_cairo_context.c


示例17: draw

static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
    int i, j;
    cairo_surface_t *surface;

    surface = cairo_image_surface_create_for_data ((unsigned char *) &black_pixel,
						   CAIRO_FORMAT_ARGB32,
						   1, 1, 4);

    /* Fill background white */
    cairo_set_source_rgb (cr, 1, 1, 1);
    cairo_paint (cr);

    /* Draw in black */
    cairo_set_source_rgb (cr, 0, 0, 0);

    cairo_translate (cr, PAD, PAD);
    cairo_set_antialias (cr, CAIRO_ANTIALIAS_NONE);

    for (i = 0; i < POINTS; i++)
	for (j = 0; j < POINTS; j++) {
	    cairo_set_source_surface (cr, surface,
				      2 * i + i * STEP, 2 * j + j * STEP);
	    cairo_pattern_set_filter (cairo_get_source (cr),
				      CAIRO_FILTER_NEAREST);
	    cairo_paint (cr);
	}

    cairo_surface_destroy (surface);

    return CAIRO_TEST_SUCCESS;
}
开发者ID:AliYousuf，项目名称:cairo，代码行数:33，代码来源:a1-image-sample.c


示例18: 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19: platformContext

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

    if (npoints <= 1)
        return;

    cairo_t* cr = platformContext()->cr();

    cairo_save(cr);
    cairo_set_antialias(cr, shouldAntialias ? CAIRO_ANTIALIAS_DEFAULT : CAIRO_ANTIALIAS_NONE);
    addConvexPolygonToContext(cr, npoints, points);

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

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

    cairo_restore(cr);
}
开发者ID:ZeusbaseWeb，项目名称:webkit，代码行数:29，代码来源:GraphicsContextCairo.cpp


示例20: cairo_set_antialias_l

static int cairo_set_antialias_l( lua_State* L )
{
  lua_cairo_t* lc = lua_cairo_check( L, 1 );

  cairo_set_antialias( lc->cairo, luaL_checkoption( L, 2, "default", cairo_antialias_lst ) );

  return( 0 );
}
开发者ID:matthewburk，项目名称:cel-reactor，代码行数:8，代码来源:cairo_L.c



注：本文中的cairo_set_antialias函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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