Esempio n. 1
0
/*
 * Class:     magick_Magick
 * Method:    parseImageGeometry
 * Signature: (Ljava/lang/String;Ljava/awt/Rectangle;)I
 */
JNIEXPORT jint JNICALL Java_magick_Magick_parseImageGeometry
  (JNIEnv *env, jclass magickClass, jstring geometry, jobject rect)
{
    unsigned long x, y, width, height;
    jint flags;
    const char *cstr;

    if (!getIntFieldValue(env, rect, "width", NULL, (jint *) &width) ||
	!getIntFieldValue(env, rect, "height", NULL, (jint *) &height) ||
	!getIntFieldValue(env, rect, "x", NULL, (jint *) &x) ||
	!getIntFieldValue(env, rect, "y", NULL, (jint *) &y)) {
        throwMagickException(env, "Unable to obtain Rectangle values");
        return 0;
    }

    cstr = (const char *) (*env)->GetStringUTFChars(env, geometry, 0);
    flags = ParseImageGeometry(cstr, &x, &y, &width, &height);
    (*env)->ReleaseStringUTFChars(env, geometry, cstr);

    if (!setIntFieldValue(env, rect, "width", NULL, width) ||
	!setIntFieldValue(env, rect, "height", NULL, height) ||
	!setIntFieldValue(env, rect, "x", NULL, x) ||
	!setIntFieldValue(env, rect, "y", NULL, y)) {
        throwMagickException(env, "Unable to set Rectangle values");
        return 0;
    }

    return flags;
}
Esempio n. 2
0
/*
 * From a java.awt.Rectangle object, construct a ImageMagick
 * RectangleInfo, as passed in from the parameter.
 *
 * Input:
 *   env        Java VM environment
 *   jRect      an instance of java.awt.Rectangle
 *
 * Output:
 *   iRect      to be initilised by values in jRect
 *
 * Return:
 *   non-zero   if successful
 *   zero       if failed
 */
int getRectangle(JNIEnv *env, jobject jRect, RectangleInfo *iRect)
{
	jint width, height, x, y;
    int retVal =
		getIntFieldValue(env, jRect, "width", NULL, (jint *) &width) &&
		getIntFieldValue(env, jRect, "height", NULL, (jint *) &height) &&
		getIntFieldValue(env, jRect, "x", NULL, (jint *) &x) &&
		getIntFieldValue(env, jRect, "y", NULL, (jint *) &y);
	if (retVal) {
		iRect->width = width;
		iRect->height = height;
		iRect->x = x;
		iRect->y = y;
	}
	return retVal;
}
Esempio n. 3
0
/*
 * From a magick.PixelPacket object, construct a ImageMagick
 * PixelPacket, as passed in from the parameter.
 *
 * Input:
 *   env           Java VM environment
 *   jPixelPacket  an instance of magick.PixelPacket
 *
 * Output:
 *   iPixelPacket  to be initilised by values in jPixelPacket
 *
 * Return:
 *   non-zero   if successful
 *   zero       if failed
 */
int getPixelPacket(JNIEnv *env,
		   jobject jPixelPacket,
		   PixelPacket *iPixelPacket)
{
  jint red, green, blue, opacity;
  int successful =
	getIntFieldValue(env, jPixelPacket, "red", NULL,
                         &red) &&
	getIntFieldValue(env, jPixelPacket, "green", NULL,
                         &green) &&
        getIntFieldValue(env, jPixelPacket, "blue", NULL,
                         &blue) &&
	getIntFieldValue(env, jPixelPacket, "opacity", NULL,
                         &opacity);
  if (!successful) {
      return successful;
  }
  iPixelPacket->red = (Quantum) red;
  iPixelPacket->green = (Quantum) green;
  iPixelPacket->blue = (Quantum) blue;
  iPixelPacket->opacity = (Quantum) opacity;
  return successful;
}