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C++ cairo_rel_line_to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_rel_line_to函数的典型用法代码示例。如果您正苦于以下问题：C++ cairo_rel_line_to函数的具体用法？C++ cairo_rel_line_to怎么用？C++ cairo_rel_line_to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_rel_line_to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_cross

static void
draw_cross (cairo_t *cr,
            double   cx,
            double   cy,
            double   size)
{
        cairo_move_to (cr, cx, cy - size/2.0);
        cairo_rel_line_to (cr, size, size);

        cairo_move_to (cr, cx, cy + size/2.0);
        cairo_rel_line_to (cr, size, -size);

        cairo_set_source_rgba (cr, 0.6, 0.6, 0.6, GSD_OSD_WINDOW_FG_ALPHA / 2);
        cairo_set_line_width (cr, 14);
        cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
        cairo_stroke_preserve (cr);

        cairo_set_source_rgba (cr, 1.0, 1.0, 1.0, GSD_OSD_WINDOW_FG_ALPHA);
        cairo_set_line_width (cr, 10);
        cairo_set_line_cap (cr, CAIRO_LINE_CAP_ROUND);
        cairo_stroke (cr);
}
开发者ID:ebroder，项目名称:gnome-settings-daemon，代码行数:22，代码来源:gsd-media-keys-window.c


示例2: pycairo_rel_line_to

static PyObject *
pycairo_rel_line_to (PycairoContext *o, PyObject *args)
{
    double dx, dy;

    if (!PyArg_ParseTuple (args, "dd:Context.rel_line_to", &dx, &dy))
	return NULL;

    cairo_rel_line_to (o->ctx, dx, dy);
    if (Pycairo_Check_Status (cairo_status (o->ctx)))
	return NULL;
    Py_RETURN_NONE;
}
开发者ID:anarcher，项目名称:enso-launcher-continued，代码行数:13，代码来源:pycairo-context.c


示例3: DrawMarker

void DrawMarker(cairo_t *cr, gint x, gint y, gint type, GdkColor *color) 
{
    if (type == 0) {
        gdk_cairo_set_source_color(cr, &color[0]);
        cairo_move_to(cr, x - MARKERLENGTH, y);
        cairo_rel_line_to(cr, 2 * MARKERLENGTH, 0);
        cairo_move_to(cr, x, y);
        cairo_rel_line_to(cr, 0, -MARKERLENGTH);
        cairo_stroke(cr);
    } else if (type == 1) {
        gdk_cairo_set_source_color(cr, &color[1]);
        cairo_move_to(cr, x, y - MARKERLENGTH);
        cairo_rel_line_to(cr, 0, 2 * MARKERLENGTH);
        cairo_move_to(cr, x, y);
        cairo_rel_line_to(cr, MARKERLENGTH, 0);
        cairo_stroke(cr);
    } else if (type == 2) {
        gdk_cairo_set_source_color(cr, &color[2]);
        cairo_rectangle(cr, x - MARKERLENGTH / 2, y - MARKERLENGTH / 2, MARKERLENGTH, MARKERLENGTH);
        cairo_stroke(cr);
    }
}
开发者ID:Dalb，项目名称:g3data，代码行数:22，代码来源:drawing.c


示例4: cairo_save

void DefaultWebThemeEngine::paintCheckbox(WebCanvas* canvas, State state, const WebRect& rect, const ButtonExtraParams& param) const
{
    cairo_save(canvas);
    setupBorder(canvas, state);
    cairo_rectangle(canvas, rect.x + 0.5, rect.y + 0.5, rect.width, rect.height);
    cairo_stroke_preserve(canvas);

    gradientFill(canvas, rect.y, rect.height, state == StatePressed);

    if (param.checked) {
        const double border = 3;
        cairo_set_line_width(canvas, 2);
        cairo_set_source_rgb(canvas, CHECK_COLOR, CHECK_COLOR, CHECK_COLOR);
        cairo_move_to(canvas, rect.x + 0.5 + border, rect.y + 0.5 + rect.height - border);
        cairo_rel_line_to(canvas, rect.width - border * 2, -rect.height + border * 2);
        cairo_move_to(canvas, rect.x + 0.5 + border, rect.y + 0.5 + border);
        cairo_rel_line_to(canvas, rect.width - border * 2, rect.height - border * 2);
        cairo_stroke(canvas);
    }

    cairo_restore(canvas);
}
开发者ID:iArnaud，项目名称:webkitnix，代码行数:22，代码来源:DefaultWebThemeEngine.cpp


示例5: _cairo_draw_rounded_box

void
_cairo_draw_rounded_box (cairo_t *cr,
			 double   x,
			 double   y,
			 double   w,
			 double   h,
			 double   r)
{
	if (r == 0) {
		cairo_rectangle (cr, x, y, w, h);
	}
	else {
		cairo_move_to (cr, x, y + r);
		cairo_arc (cr, x + r, y + r, r, 1.0 * M_PI, 1.5 * M_PI);
		cairo_rel_line_to (cr, w - (r * 2), 0);
		cairo_arc (cr, x + w - r, y + r, r, 1.5 * M_PI, 2.0 * M_PI);
		cairo_rel_line_to (cr, 0, h - (r * 2));
		cairo_arc (cr, x + w - r, y + h - r, r, 0.0 * M_PI, 0.5 * M_PI);
		cairo_rel_line_to (cr, - (w - (r * 2)), 0);
		cairo_arc (cr, x + r, y + h - r, r, 0.5 * M_PI, 1.0 * M_PI);
		cairo_rel_line_to (cr, 0, - (h - (r * 2)));
	}
}
开发者ID:cormac-w，项目名称:gthumb，代码行数:23，代码来源:cairo-utils.c


示例6: rel_line_to

ETERM * rel_line_to(ETERM* arg, int c_node) {
    ETERM *x, *y;
    cairo_context *ctx = get_cairo_context(arg);
    if (ctx) {
        x = erl_element(2, arg);  
        y = erl_element(3, arg); 
        cairo_rel_line_to(ctx->cr, val(x), val(y));
        erl_free_term(x);
        erl_free_term(y);
        return erl_format("{c_node, ~i, ok}", c_node);
    } else { 
        return erl_format("{c_node, ~i, {error, '~s'}}", c_node, ERR_CONTEXT);
    }
}
开发者ID:chinnurtb，项目名称:erlycairo，代码行数:14，代码来源:erlycairo.c


示例7: gdk_threads_enter

JNIEXPORT void JNICALL Java_gnu_java_awt_peer_gtk_GdkGraphics2D_cairoRelLineTo 
   (JNIEnv *env, jobject obj, jdouble dx, jdouble dy)
{
  struct graphics2d *gr = NULL;

  gdk_threads_enter();
  if (peer_is_disposed(env, obj)) { gdk_threads_leave(); return; }

  gr = (struct graphics2d *) NSA_GET_G2D_PTR (env, obj);
  g_assert (gr != NULL);
  if (gr->debug) printf ("cairo_rel_line_to (%f, %f)\n", dx, dy);
  cairo_rel_line_to (gr->cr, dx, dy);
  gdk_threads_leave();
}
开发者ID:aosm，项目名称:gcc_40，代码行数:14，代码来源:gnu_java_awt_peer_gtk_GdkGraphics2D.c


示例8: draw

static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
    cairo_translate (cr, PAD, PAD);

    /* A red triangle with SOURCE */
    cairo_move_to     (cr,  SIZE / 5, SIZE / 5);
    cairo_rel_line_to (cr,  SIZE / 2, 0);
    cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2);
    cairo_close_path (cr);

    cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
    cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */

    cairo_fill (cr);

    /* A green circle with OVER */
    cairo_arc (cr, SIZE / 2, SIZE / 2, SIZE / 4, 0., 2. * M_PI);

    cairo_set_operator (cr, CAIRO_OPERATOR_OVER);
    cairo_set_source_rgba (cr, 0., 1., 0., 0.5); /* 50% green */

    cairo_fill (cr);

    /* Another red triangle with SOURCE */
    cairo_move_to     (cr,  SIZE / 2, SIZE / 2);
    cairo_rel_line_to (cr,  SIZE / 2, 0);
    cairo_rel_line_to (cr, -SIZE / 2, SIZE / 2);
    cairo_close_path (cr);

    cairo_set_operator (cr, CAIRO_OPERATOR_SOURCE);
    cairo_set_source_rgba (cr, 1., 0., 0., 0.5); /* 50% red */

    cairo_fill (cr);

    return CAIRO_TEST_SUCCESS;
}
开发者ID:499940913，项目名称:moon，代码行数:37，代码来源:over-between-source.c


示例9: draw_text_cursor_cb

static gboolean
draw_text_cursor_cb (GtkWidget *widget, cairo_t *cr, gpointer user_data)
{
    GtkEditable *editable = GTK_EDITABLE(widget);
    GtkStyleContext *stylectxt = gtk_widget_get_style_context (GTK_WIDGET(widget));
    gint height = gtk_widget_get_allocated_height (widget);
    const gchar *text;
    GdkRGBA *fg_color;
    GdkRGBA color;
    gint x_offset;
    gint cursor_x = 0;

    // Get the layout x offset
    gtk_entry_get_layout_offsets (GTK_ENTRY(widget), &x_offset, NULL);

    // Get the foreground color
    gdk_rgba_parse (&color, "black");
    gtk_style_context_get_color (stylectxt, GTK_STATE_FLAG_NORMAL, &color);
    fg_color = &color;

    text = gtk_entry_get_text (GTK_ENTRY (widget));

    if ((text != NULL) && (*text != '\0'))
    {
        PangoLayout *layout;
        PangoRectangle strong_pos;
        gint start_pos, end_pos, cursor_pos, cursor_byte_pos;

        cursor_pos = gtk_editable_get_position (editable);
        cursor_byte_pos = g_utf8_offset_to_pointer (text, cursor_pos) - text;

        gtk_editable_get_selection_bounds (editable, &start_pos, &end_pos);

        layout = gtk_entry_get_layout (GTK_ENTRY(widget));
        pango_layout_get_cursor_pos (layout, cursor_byte_pos, &strong_pos, NULL);
        cursor_x = x_offset + PANGO_PIXELS (strong_pos.x);
    }
    else
        cursor_x = x_offset;

    // Now draw a vertical line
    cairo_set_source_rgb (cr, fg_color->red, fg_color->green, fg_color->blue);
    cairo_set_line_width (cr, 1.0);
    cairo_move_to (cr, cursor_x + 0.5, 2);
    cairo_rel_line_to (cr, 0, height - 4);
    cairo_stroke (cr);

    return FALSE;
}
开发者ID:carrot-garden，项目名称:money_gnucash，代码行数:49，代码来源:gnucash-item-edit.c


示例10: make_path

static void
make_path (cairo_t *cr)
{
    cairo_move_to (cr, 0, SIZE/2 + LINE_WIDTH);
    cairo_rel_line_to (cr, SIZE, 0);
    cairo_rel_line_to (cr, -SIZE, 0);
    cairo_close_path (cr);

    cairo_move_to (cr, 3*SIZE/4, 0);
    cairo_rel_line_to (cr, -SIZE/2, SIZE);
    cairo_rel_line_to (cr, SIZE/2, -SIZE);
    cairo_close_path (cr);

    cairo_move_to (cr, 0, SIZE/2-LINE_WIDTH);
    cairo_rel_curve_to (cr,
			SIZE/2, -2*LINE_WIDTH,
			SIZE/2, 2*LINE_WIDTH,
			SIZE, 0);
    cairo_rel_curve_to (cr,
			-SIZE/2, 2*LINE_WIDTH,
			-SIZE/2, -2*LINE_WIDTH,
			-SIZE, 0);
    cairo_close_path (cr);
}
开发者ID:AZed，项目名称:cairo，代码行数:24，代码来源:joins-retrace.c


示例11: gt_graphics_cairo_draw_vertical_line

void gt_graphics_cairo_draw_vertical_line(GtGraphics *gg, double x, double y,
                                          GtColor color, double length,
                                          double stroke_width)
{
  GtGraphicsCairo *g = gt_graphics_cairo_cast(gg);
  gt_assert(g);
  cairo_save(g->cr);
  cairo_move_to(g->cr, rnd_to_nhalf(x), rnd_to_nhalf(y));
  cairo_set_line_width(g->cr, 1);
  cairo_rel_line_to(g->cr, 0, floor(length));
  cairo_set_line_width(g->cr, stroke_width);
  cairo_set_source_rgba(g->cr, color.red, color.green, color.blue, color.alpha);
  cairo_stroke(g->cr);
  cairo_restore(g->cr);
}
开发者ID:simongog，项目名称:genometools，代码行数:15，代码来源:graphics_cairo.c


示例12: diagonal

static cairo_test_status_t
diagonal (cairo_t *cr, int width, int height)
{
    int x;

    cairo_set_source_rgb (cr, 0.0, 0.0, 0.0);
    cairo_paint (cr);

    cairo_set_source_rgba (cr, 1, 1, 1, 1);
    for (x = -HEIGHT*PRECISION-2; x <= (WIDTH+HEIGHT)*PRECISION+2; x += 6) {
	cairo_move_to (cr, x / (double)PRECISION - 2, -2);
	cairo_rel_line_to (cr, HEIGHT + 4, HEIGHT + 4);
    }
    cairo_set_line_width (cr, 2 / (double)PRECISION);
    cairo_stroke (cr);

    return CAIRO_TEST_SUCCESS;
}
开发者ID:GuoCheng111，项目名称:WinCairoRequirements，代码行数:18，代码来源:sample.c


示例13: psrpgn_

/*==================================================================================
 psrpgn - subroutine to generate closed polygons using rel. coordinates for all after
	the first
==================================================================================*/
void psrpgn_ (double *x1, double *y1, double *rx, double *ry, int *npts, double *rline, double *width,int *ifill) {

	int i;

	DEBUGPRINT(("In psrpgn\n"));
	completeRelativeOperation();
	cairo_move_to(dmh_cr, *x1, *y1);
	for (i = 0; i <= *npts-1; i++) {
		cairo_rel_line_to(dmh_cr, deviceW(rx[i]), deviceH(ry[i]));
	}
	cairo_close_path(dmh_cr);

	setLineProperties((int) *rline, *width);
	cairo_set_source_rgb (dmh_cr, 0, 0, 0);	/* black */
	cairo_stroke_preserve(dmh_cr);
	setFillType (*ifill);
	cairo_fill(dmh_cr);
}
开发者ID:davehirsch，项目名称:Perplex，代码行数:22，代码来源:graphic_output.c


示例14: vcap_sunburst_draw

static double
vcap_sunburst_draw (cairo_t * cr, const struct vcap_data_entry * e, unsigned int m_radius, double arc_start)
{
  unsigned int i;
  double arc_end, radius, nrsum, c;

  radius = ((double)e->level / m_radius); 

  if (e->parent) {
    arc_end = arc_start + ((double)e->amount / vcap_data_lookup("eth")->amount) * 2 * M_PI;
  } else {
    arc_end = 2 * M_PI;
  }

  if (e->entries) 
    {
      nrsum = arc_start;
      for (i = 0; i < e->ecount; i++)
	{
	  nrsum = vcap_sunburst_draw(cr, e->entries[i], m_radius, nrsum);
	}
    }

  cairo_move_to (cr, 0, 0);
  cairo_rel_line_to (cr, cos (arc_start) * radius, sin (arc_start) * radius);
  cairo_arc (cr, 0, 0, radius, arc_start, arc_end);
  cairo_line_to (cr, 0, 0);

  c = ((double)(1/(double)(arc_start+e->level+1)))+0.2;
  cairo_set_source_rgb (cr, c + (e->level%3 > 0)*0.02, c + (e->level/3)*0.05, c + (e->level%2 == 0)*0.1); 
  cairo_fill_preserve (cr);

  cairo_set_source_rgb (cr, 0, 0, 0);
  cairo_set_line_width (cr, 0.001);
  cairo_stroke (cr);

  return arc_end;
}
开发者ID:dsp，项目名称:vcap，代码行数:38，代码来源:sunburst.c


示例15: metaball_a

//=================================================================================
// metaball
//=================================================================================
static void metaball_a(Qdr *qdr, cairo_t *cr, int edge, int x, int y, double radius)
{
	switch(edge){
		case 0:	//MB_NON
			cairo_arc(cr, x+radius, y+radius, radius, 180*(M_PI/180.0), 270*(M_PI/180.0));
			break;
		case 1:	//MB_TB
			cairo_arc(cr, x+radius, y+radius, radius, 180*(M_PI/180.0), 210*(M_PI/180.0));
			cairo_arc_negative(cr, x+radius-sqrt(3)*radius, y, radius, 30*(M_PI/180.0), 0*(M_PI/180.0));
			break;
		case 2:	//MB_LR
			cairo_arc_negative(cr, x, y+radius-sqrt(3)*radius, radius, 90*(M_PI/180.0), 60*(M_PI/180.0));
			cairo_arc(cr, x+radius, y+radius, radius, 240*(M_PI/180.0), 270*(M_PI/180.0));
			break;
		case 3:	//MB_BOTH
			cairo_arc_negative(cr, x, y, (2-sqrt(3))*radius, 90*(M_PI/180.0), 0*(M_PI/180.0));
			break;
		case 4:	//MB_FULL
			cairo_line_to(cr, x, y-radius);
			cairo_rel_line_to(cr, radius, 0);
			break;
	}
}
开发者ID:devilstan，项目名称:sqr，代码行数:26，代码来源:qdr_mark.c


示例16: metaball_d

static void metaball_d(Qdr *qdr, cairo_t *cr, int edge, int x, int y, double radius)
{
	switch(edge){
		case 0:
			cairo_arc(cr, x+radius, y+radius, radius, 90*(M_PI/180.0), 180*(M_PI/180.0));
			break;
		case 1:
			cairo_arc_negative(cr, x+radius-sqrt(3)*radius, y+radius*2, radius, 0*(M_PI/180.0), 330*(M_PI/180.0));
			cairo_arc(cr, x+radius, y+radius, radius, 150*(M_PI/180.0), 180*(M_PI/180.0));
			break;
		case 2:
			cairo_arc(cr, x+radius, y+radius, radius, 90*(M_PI/180.0), 120*(M_PI/180.0));
			cairo_arc_negative(cr, x, y+radius+sqrt(3)*radius, radius, 300*(M_PI/180.0), 270*(M_PI/180.0));
			break;
		case 3:
			cairo_arc_negative(cr, x, y+radius*2, (2-sqrt(3))*radius, 0*(M_PI/180.0), 270*(M_PI/180.0));
			break;
		case 4:
			cairo_line_to(cr, x, y+qdr->msize);
			cairo_rel_line_to(cr, 0, -radius);
			break;
	}
}
开发者ID:devilstan，项目名称:sqr，代码行数:23，代码来源:qdr_mark.c


示例17: blockarc_c

static void blockarc_c(Qdr *qdr, cairo_t *cr, int edge, int x, int y, double half, double lead, double radius)
{
	switch(edge){
		case 0:	//rect
			cairo_rel_line_to(cr, 0, half);
			cairo_rel_line_to(cr, -half, 0);
			break;
		case 1:	//arc
			cairo_rel_line_to(cr, 0, lead);
			cairo_arc(cr, x+half+lead, y+half+lead, radius, 0*(M_PI/180.0), 90*(M_PI/180.0));
			cairo_rel_line_to(cr, -lead, 0);
			break;
		case 2:	//narc
			cairo_rel_line_to(cr, 0, lead);
			cairo_arc_negative(cr, x+qdr->msize+radius, y+half+lead, radius, 180*(M_PI/180.0), 90*(M_PI/180.0));
			cairo_rel_line_to(cr, -(radius+half), 0);
			break;
	}
}
开发者ID:devilstan，项目名称:sqr，代码行数:19，代码来源:qdr_mark.c


示例18: sc_arrow_draw

static gboolean sc_arrow_draw(GtkWidget*widget, cairo_t*cr)
{

    SCArrow*arrow=SC_ARROW(widget);

    int width=gtk_widget_get_allocated_width(widget);
    int height =gtk_widget_get_allocated_height(widget);

    double arrow_width=1.5*arrow->line_width;
    double arrow_length=2*arrow_width;


    double dashs[]={arrow_length,arrow_length-2,100000};



    cairo_set_line_width(cr,arrow->line_width);
    
    gdk_cairo_set_source_rgba(cr,&arrow->color);

//
    cairo_move_to(cr,arrow->x1,arrow->y1);
    cairo_line_to(cr,arrow->x0,arrow->y0);
//
    cairo_set_dash(cr,dashs,3,arrow_length);
    cairo_stroke(cr);
//


    double rad=0.0;
    int dx,dy;
    dx=arrow->x1-arrow->x0;
    dy=arrow->y1-arrow->y0;

    if(dx>=0){
   
        rad= atan(((double)dy)/dx);

    }else{//dx<=0 
   
        rad=atan(((double)dy)/dx)+M_PI;

    }

    cairo_save(cr);
    cairo_translate(cr,arrow->x1,arrow->y1);
//FIXME
//WARNING:: invalid matrix (not invertible)
    cairo_rotate(cr,rad);

    cairo_move_to(cr,0,0);
    cairo_rel_line_to(cr,-arrow_length,-arrow_width);
    cairo_rel_line_to(cr,0,arrow_width*2);
    cairo_rel_line_to(cr,0,0);
    cairo_fill(cr);

    cairo_restore(cr);

    return FALSE;

}
开发者ID:ranrangor，项目名称:ScreenCapturer，代码行数:61，代码来源:sc-arrow.c


示例19: draw_month_grid

static void
draw_month_grid (GcalYearView *year_view,
                 GtkWidget    *widget,
                 cairo_t      *cr,
                 gint          month_nr,
                 gint         *weeks_counter)
{
  GcalYearViewPrivate *priv = year_view->priv;

  GtkStyleContext *context;
  GtkStateFlags state_flags;

  PangoLayout *layout, *slayout;
  PangoFontDescription *font_desc, *sfont_desc;

  GdkRGBA color;
  gint layout_width, layout_height, i, j, sw;
  gint x, y, column, row, box_side, box_padding_top, box_padding_start;
  gint days_delay, days, shown_rows, sunday_idx;
  gchar *str, *nr_day, *nr_week;
  gboolean selected_day;

  cairo_save (cr);
  context = gtk_widget_get_style_context (widget);
  state_flags = gtk_widget_get_state_flags (widget);
  sw = 1 - 2 * priv->k;
  box_side = priv->navigator_grid->box_side;
  x = priv->navigator_grid->coordinates[month_nr].x;
  y = priv->navigator_grid->coordinates[month_nr].y;

  gtk_style_context_get (context, state_flags | GTK_STATE_FLAG_SELECTED, "font", &sfont_desc, NULL);
  slayout = gtk_widget_create_pango_layout (widget, NULL);
  pango_layout_set_font_description (slayout, sfont_desc);

  /* header */
  gtk_style_context_save (context);
  gtk_style_context_add_class (context, "header");

  str = g_strdup (gcal_get_month_name (month_nr));
  gtk_style_context_get (context, state_flags, "font", &font_desc, NULL);

  layout = gtk_widget_create_pango_layout (widget, str);
  pango_layout_set_font_description (layout, font_desc);
  pango_layout_get_pixel_size (layout, &layout_width, &layout_height);
  gtk_render_layout (context, cr, x + (box_side * 8 - layout_width) / 2, y + (box_side - layout_height) / 2,
                     layout);

  gtk_render_background (context, cr,
                         x + (box_side * 8 - layout_width) / 2, y + (box_side - layout_height) / 2,
                         layout_width, layout_width);

  pango_font_description_free (font_desc);
  g_free (str);
  gtk_style_context_restore (context);

  /* separator line */
  gtk_style_context_save (context);
  gtk_style_context_add_class (context, "lines");

  gtk_style_context_get_color (context, state_flags, &color);
  cairo_set_line_width (cr, 0.2);
  gdk_cairo_set_source_rgba (cr, &color);
  cairo_move_to (cr, x + box_side / 2, y + box_side + 0.4);
  cairo_rel_line_to (cr, 7 * box_side, 0);
  cairo_stroke (cr);

  gtk_style_context_restore (context);

  /* days */
  gtk_style_context_save (context);
  gtk_style_context_add_class (context, "days");

  gtk_style_context_get (context, state_flags, "font", &font_desc, NULL);
  pango_layout_set_font_description (layout, font_desc);

  days_delay = (time_day_of_week (1, month_nr, priv->date->year) - priv->first_weekday + 7) % 7;
  days = days_delay + icaltime_days_in_month (month_nr + 1, priv->date->year);
  shown_rows = ceil (days / 7.0);
  sunday_idx = priv->k * 6 + sw * ((7 - priv->first_weekday) % 7);

  for (i = 0; i < 7 * shown_rows; i++)
    {
      column = i % 7;
      row = i / 7;

      j = 7 * ((i + 7 * priv->k) / 7) + sw * (i % 7) + (1 - priv->k);
      if (j <= days_delay)
        continue;
      else if (j > days)
        continue;
      j -= days_delay;

      nr_day = g_strdup_printf ("%d", j);
      pango_layout_set_text (layout, nr_day, -1);
      pango_layout_get_pixel_size (layout, &layout_width, &layout_height);
      box_padding_top = (box_side - layout_height) / 2 > 0 ? (box_side - layout_height) / 2 : 0;
      box_padding_start = (box_side - layout_width) / 2 > 0 ? (box_side - layout_width) / 2 : 0;

      selected_day = FALSE;
      if (priv->selected_data->start_day != 0)
//.........这里部分代码省略.........
开发者ID:C4jk，项目名称:gnome-calendar，代码行数:101，代码来源:gcal-year-view.c


示例20: cd_rendering_render_optimized_3D_plane

void cd_rendering_render_optimized_3D_plane (cairo_t *pCairoContext, CairoDock *pDock, GdkRectangle *pArea)
{
	//g_print ("%s ((%d;%d) x (%d;%d) / (%dx%d))\n", __func__, pArea->x, pArea->y, pArea->width, pArea->height, pDock->iCurrentWidth, pDock->iCurrentHeight);
	double fLineWidth = myBackground.iDockLineWidth;
	double fMargin = myBackground.iFrameMargin;
	int iWidth = pDock->iCurrentWidth;
	int iHeight = pDock->iCurrentHeight;
	
	//\____________________ On dessine les decorations du fond sur la portion de fenetre.
	cairo_save (pCairoContext);
	
	double fDockOffsetX, fDockOffsetY;
	if (pDock->bHorizontalDock)
	{
		fDockOffsetX = pArea->x;
		fDockOffsetY = (pDock->bDirectionUp ? iHeight - pDock->iDecorationsHeight - fLineWidth : fLineWidth);
	}
	else
	{
		fDockOffsetX = (pDock->bDirectionUp ? iHeight - pDock->iDecorationsHeight - fLineWidth : fLineWidth);
		fDockOffsetY = pArea->y;
	}
	
	//cairo_move_to (pCairoContext, fDockOffsetX, fDockOffsetY);
	if (pDock->bHorizontalDock)
		cairo_rectangle (pCairoContext, fDockOffsetX, fDockOffsetY, pArea->width, pDock->iDecorationsHeight);
	else
		cairo_rectangle (pCairoContext, fDockOffsetX, fDockOffsetY, pDock->iDecorationsHeight, pArea->height);
	
	double fRadius = MIN (myBackground.iDockRadius, (pDock->iDecorationsHeight + myBackground.iDockLineWidth) / 2 - 1);
	double fDeltaXTrapeze=0.;
	double fOffsetX;
	if (cairo_dock_is_extended_dock (pDock))  // mode panel etendu.
	{
		fOffsetX = fRadius + fLineWidth / 2;
	}
	else
	{
		Icon *pFirstIcon = cairo_dock_get_first_drawn_icon (pDock);
		fOffsetX = (pFirstIcon != NULL ? pFirstIcon->fX - fMargin : fRadius + fLineWidth / 2);
	}
	double fDockWidth = cairo_dock_get_current_dock_width_linear (pDock);
	if (g_pBackgroundSurface != NULL)
	{
		double fInclinationOnHorizon = (fDockWidth / 2) / iVanishingPointY;
		double fRadius = myBackground.iDockRadius;
		if (2*fRadius > pDock->iDecorationsHeight + fLineWidth)
			fRadius = (pDock->iDecorationsHeight + fLineWidth) / 2 - 1;
		double fDeltaXForLoop = fInclinationOnHorizon * (pDock->iDecorationsHeight + fLineWidth - (myBackground.bRoundedBottomCorner ? 2 : 1) * fRadius);
		
		double cosa = 1. / sqrt (1 + fInclinationOnHorizon * fInclinationOnHorizon);
		fDeltaXTrapeze = fDeltaXForLoop + fRadius * cosa;
		
		double sina = cosa * fInclinationOnHorizon;
		fDeltaXTrapeze = fInclinationOnHorizon * (pDock->iDecorationsHeight - (FALSE ? 2 : 1-sina) * fRadius) + fRadius * (FALSE ? 1 : cosa);
	}
	cairo_dock_render_decorations_in_frame (pCairoContext, pDock, pDock->bHorizontalDock ? fDockOffsetY : fDockOffsetX, fOffsetX-fDeltaXTrapeze, fDockWidth+2*fDeltaXTrapeze);
	
	
	//\____________________ On dessine la partie du cadre qui va bien.
	cairo_new_path (pCairoContext);
	
	if (pDock->bHorizontalDock)
	{
		cairo_set_line_width (pCairoContext, fLineWidth);
		cairo_move_to (pCairoContext, fDockOffsetX, fDockOffsetY - 0.5*fLineWidth);
		cairo_rel_line_to (pCairoContext, pArea->width, 0);
		cairo_set_source_rgba (pCairoContext, myBackground.fLineColor[0], myBackground.fLineColor[1], myBackground.fLineColor[2], myBackground.fLineColor[3]);
		cairo_stroke (pCairoContext);
		
		cairo_new_path (pCairoContext);
		cairo_move_to (pCairoContext, fDockOffsetX, (pDock->bDirectionUp ? iHeight - 0.5*fLineWidth : pDock->iDecorationsHeight + 1.5 * fLineWidth));
		cairo_rel_line_to (pCairoContext, pArea->width, 0);
	}
	else
	{
		cairo_move_to (pCairoContext, fDockOffsetX - .5*fLineWidth, fDockOffsetY);
		cairo_rel_line_to (pCairoContext, 0, pArea->height);
		cairo_set_line_width (pCairoContext, fLineWidth);
		cairo_set_source_rgba (pCairoContext, myBackground.fLineColor[0], myBackground.fLineColor[1], myBackground.fLineColor[2], myBackground.fLineColor[3]);
		cairo_stroke (pCairoContext);
		
		cairo_new_path (pCairoContext);
		cairo_move_to (pCairoContext, (pDock->bDirectionUp ? iHeight - fLineWidth / 2 : pDock->iDecorationsHeight + 1.5 * fLineWidth), fDockOffsetY);
		cairo_rel_line_to (pCairoContext, 0, pArea->height);
	}
	cairo_set_line_width (pCairoContext, fLineWidth);
	cairo_set_source_rgba (pCairoContext, myBackground.fLineColor[0], myBackground.fLineColor[1], myBackground.fLineColor[2], myBackground.fLineColor[3]);
	cairo_stroke (pCairoContext);
	
	cairo_restore (pCairoContext);
	
	//\____________________ On dessine les icones impactees.
	GList *pFirstDrawnElement = (pDock->pFirstDrawnElement != NULL ? pDock->pFirstDrawnElement : pDock->icons);
	if (pFirstDrawnElement != NULL)
	{
		double fXMin = (pDock->bHorizontalDock ? pArea->x : pArea->y), fXMax = (pDock->bHorizontalDock ? pArea->x + pArea->width : pArea->y + pArea->height);
		double fDockMagnitude = cairo_dock_calculate_magnitude (pDock->iMagnitudeIndex);
		double fXLeft, fXRight;
		Icon *icon;
//.........这里部分代码省略.........
开发者ID:BackupTheBerlios，项目名称:cairo-dock-svn，代码行数:101，代码来源:rendering-3D-plane.c



注：本文中的cairo_rel_line_to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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