本文整理了Java中org.eclipse.swt.graphics.Device.checkCairo()方法的一些代码示例，展示了Device.checkCairo()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Device.checkCairo()方法的具体详情如下：
包路径：org.eclipse.swt.graphics.Device
类名称：Device
方法名：checkCairo

Device.checkCairo介绍

暂无

代码示例

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

void initCairo() {
  data.device.checkCairo();
  long /*int*/ cairo = data.cairo;
  if (cairo != 0) return;
  data.cairo = cairo = OS.gdk_cairo_create(data.drawable);
  if (cairo == 0) SWT.error(SWT.ERROR_NO_HANDLES);
  data.disposeCairo = true;
  Cairo.cairo_set_fill_rule(cairo, Cairo.CAIRO_FILL_RULE_EVEN_ODD);
  data.state &= ~(BACKGROUND | FOREGROUND | FONT | LINE_WIDTH | LINE_CAP | LINE_JOIN | LINE_STYLE | DRAW_OFFSET);
  setCairoClip(data.damageRgn, data.clipRgn);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

void initCairo() {
  data.device.checkCairo();
  int /*long*/ cairo = data.cairo;
  if (cairo != 0) return;
  data.cairo = cairo = OS.gdk_cairo_create(data.drawable);
  if (cairo == 0) SWT.error(SWT.ERROR_NO_HANDLES);
  data.disposeCairo = true;
  Cairo.cairo_set_fill_rule(cairo, Cairo.CAIRO_FILL_RULE_EVEN_ODD);
  data.state &= ~(BACKGROUND | FOREGROUND | FONT | LINE_WIDTH | LINE_CAP | LINE_JOIN | LINE_STYLE | DRAW_OFFSET);
  setCairoClip(data.damageRgn, data.clipRgn);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

void initCairo() {
  data.device.checkCairo();
  int /*long*/ cairo = data.cairo;
  if (cairo != 0) return;
  data.cairo = cairo = OS.gdk_cairo_create(data.drawable);
  if (cairo == 0) SWT.error(SWT.ERROR_NO_HANDLES);
  data.disposeCairo = true;
  Cairo.cairo_set_fill_rule(cairo, Cairo.CAIRO_FILL_RULE_EVEN_ODD);
  data.state &= ~(BACKGROUND | FOREGROUND | FONT | LINE_WIDTH | LINE_CAP | LINE_JOIN | LINE_STYLE | DRAW_OFFSET);
  setCairoClip(data.damageRgn, data.clipRgn);
}

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

this.device.checkCairo();
handle = new double[6];
if (handle == null) SWT.error(SWT.ERROR_NO_HANDLES);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

this.device.checkCairo();
handle = new double[6];
if (handle == null) SWT.error(SWT.ERROR_NO_HANDLES);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

this.device.checkCairo();
handle = new double[6];
if (handle == null) SWT.error(SWT.ERROR_NO_HANDLES);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

this.device.checkCairo();
long /*int*/ surface = Cairo.cairo_image_surface_create(Cairo.CAIRO_FORMAT_ARGB32, 1, 1);
if (surface == 0) SWT.error(SWT.ERROR_NO_HANDLES);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

this.device.checkCairo();
int /*long*/ surface = Cairo.cairo_image_surface_create(Cairo.CAIRO_FORMAT_ARGB32, 1, 1);
if (surface == 0) SWT.error(SWT.ERROR_NO_HANDLES);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

this.device.checkCairo();
int /*long*/ surface = Cairo.cairo_image_surface_create(Cairo.CAIRO_FORMAT_ARGB32, 1, 1);
if (surface == 0) SWT.error(SWT.ERROR_NO_HANDLES);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

if (image == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (image.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
this.device.checkCairo();
image.createSurface();
handle = Cairo.cairo_pattern_create_for_surface(image.surface);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

if (image == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (image.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
this.device.checkCairo();
image.createSurface();
handle = Cairo.cairo_pattern_create_for_surface(image.surface);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

if (image == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (image.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
this.device.checkCairo();
image.createSurface();
handle = Cairo.cairo_pattern_create_for_surface(image.surface);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.aix.ppc

if (color2 == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (color2.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
this.device.checkCairo();
handle = Cairo.cairo_pattern_create_linear(x1, y1, x2, y2);
if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.s390x

if (color2 == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (color2.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
this.device.checkCairo();
handle = Cairo.cairo_pattern_create_linear(x1, y1, x2, y2);
if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES);

代码示例来源：origin: org.eclipse.platform/org.eclipse.swt.gtk.linux.ppc

if (color2 == null) SWT.error(SWT.ERROR_NULL_ARGUMENT);
if (color2.isDisposed()) SWT.error(SWT.ERROR_INVALID_ARGUMENT);
this.device.checkCairo();
handle = Cairo.cairo_pattern_create_linear(x1, y1, x2, y2);
if (handle == 0) SWT.error(SWT.ERROR_NO_HANDLES);