/*=============================================================================#
# Copyright (c) 2011-2016 Stephan Wahlbrink (WalWare.de) and others.
# All rights reserved. This program and the accompanying materials
# are made available under the terms of either (per the licensee's choosing)
# - the Eclipse Public License v1.0
# which accompanies this distribution, and is available at
# http://www.eclipse.org/legal/epl-v10.html, or
# - the GNU Lesser General Public License v2.1 or newer
# which accompanies this distribution, and is available at
# http://www.gnu.org/licenses/lgpl.html
#
# Contributors:
# Stephan Wahlbrink - initial API and implementation
#=============================================================================*/
package de.walware.rj.server.gr;
import de.walware.rj.server.GDCmdItem;
import de.walware.rj.server.MainCmdItem;
import de.walware.rj.server.RJ;
public final class RjsGraphic {
public static final int STATE_CLOSED = -1;
public static final int STATE_OPENED = 1;
public static final int STATE_PAGED = 2;
private final RJ rj;
private final RjsGraphicManager manager;
private final byte slot;
private int devId;
int state;
private int cachedStrWidthChar;
private double[] cachedStrWidthCharResult;
private String cachedStrWidthStr;
private double[] cachedStrWidthStrResult;
public RjsGraphic() {
this.rj = RJ.get();
this.manager = this.rj.getGraphicManager();
this.slot = this.rj.getCurrentSlot();
}
public byte getSlot() {
return this.slot;
}
public int getDevId() {
return this.devId;
}
public int getState() {
return this.state;
}
public void initPage(final int devId, final int state, final double width, final double height,
final int canvasColor, final boolean isActive) {
if (this.devId != devId || this.state < STATE_OPENED) {
this.devId = devId;
this.manager.registerGraphic(this);
}
this.state = state;
this.cachedStrWidthChar = -1;
this.cachedStrWidthStr = null;
this.rj.sendMainCmd(new GDCmdItem.CInit(
this.devId, width, height, canvasColor, isActive, this.slot ));
}
public void close() {
this.state = STATE_CLOSED;
this.manager.unregisterGraphic(this);
this.rj.sendMainCmd(new GDCmdItem.CCloseDevice(
this.devId, this.slot ));
}
public void setMode(final int mode) {
if (this.state > 0) {
this.rj.sendMainCmd(new GDCmdItem.CSetMode(
this.devId, mode, this.slot ));
}
}
public void activate() {
if (this.state > 0) {
this.manager.activate(this);
}
}
public void deactivate() {
if (this.state > 0) {
this.manager.deactivate(this);
}
}
public boolean newPageConfirm() {
return false;
}
public double[] newPagePPI() {
return (double[]) this.rj.getClientProperty(this.slot, "display.ppi");
}
public double[] newPageSize() {
final MainCmdItem answer = this.rj.sendMainCmd(new GDCmdItem.CGetSize(
this.devId, this.slot ));
return (answer instanceof GDCmdItem && answer.isOK() ) ?
((GDCmdItem) answer).getDoubleData() : null;
}
public void setColor(final int color) {
this.rj.sendMainCmd(new GDCmdItem.SetColor(
this.devId, color, this.slot ));
}
public void setFill(final int color) {
this.rj.sendMainCmd(new GDCmdItem.SetFill(
this.devId, color, this.slot ));
}
public void setLine(final int lty, final float lwd,
final byte cap, final byte join, final float joinMiterLimit) {
this.rj.sendMainCmd(new GDCmdItem.SetLine(
this.devId, lty, lwd, cap, join, joinMiterLimit, this.slot ));
}
public void setClip(final double x0, final double x1, final double y0, final double y1) {
this.rj.sendMainCmd(new GDCmdItem.SetClip(
this.devId, x0, y0, x1, y1, this.slot ));
}
public void drawLine(final double x0, final double y0, final double x1, final double y1) {
this.rj.sendMainCmd(new GDCmdItem.DrawLine(
this.devId, x0, y0, x1, y1, this.slot ));
}
public void drawRect(final double x0, final double y0, final double x1, final double y1) {
this.rj.sendMainCmd(new GDCmdItem.DrawRect(
this.devId, x0, y0, x1, y1, this.slot ));
}
public void drawPolyline(final double[] x, final double[] y) {
this.rj.sendMainCmd(new GDCmdItem.DrawPolyline(
this.devId, x, y, this.slot ));
}
public void drawPolygon(final double[] x, final double[] y) {
this.rj.sendMainCmd(new GDCmdItem.DrawPolygon(
this.devId, x, y, this.slot ));
}
public void drawPath(final int[] n, final double[] x, final double[] y, final int mode) {
this.rj.sendMainCmd(new GDCmdItem.DrawPath(
this.devId, n, x, y, mode, this.slot ));
}
public void drawCircle(final double x, final double y, final double r) {
this.rj.sendMainCmd(new GDCmdItem.DrawCircle(
this.devId, x, y, r, this.slot ));
}
public void setFont(final String family, final int face, final float pointSize,
final float lineheight) {
this.rj.sendMainCmd(new GDCmdItem.SetFont(
this.devId, family, face, pointSize, lineheight, this.slot ));
this.cachedStrWidthChar = -1;
this.cachedStrWidthStr = null;
}
public double[] getStrWidth(final String str) {
if (str.length() == 1) {
final int ch = str.charAt(0);
if (ch == this.cachedStrWidthChar) {
return this.cachedStrWidthCharResult;
}
final MainCmdItem answer = this.rj.sendMainCmd(new GDCmdItem.CGetStrWidth(
this.devId, str, this.slot ));
this.cachedStrWidthCharResult = (answer instanceof GDCmdItem && answer.isOK() ) ?
((GDCmdItem) answer).getDoubleData() : null;
this.cachedStrWidthChar = ch;
return this.cachedStrWidthCharResult;
}
else {
if (str.equals(this.cachedStrWidthStr)) {
return this.cachedStrWidthStrResult;
}
final MainCmdItem answer = this.rj.sendMainCmd(new GDCmdItem.CGetStrWidth(
this.devId, str, this.slot ));
this.cachedStrWidthStrResult = (answer instanceof GDCmdItem && answer.isOK() ) ?
((GDCmdItem) answer).getDoubleData() : null;
this.cachedStrWidthStr = str;
return this.cachedStrWidthStrResult;
}
}
public double[] getMetricInfo(final int ch) {
final MainCmdItem answer = this.rj.sendMainCmd(new GDCmdItem.CGetFontMetric(
this.devId, ch, this.slot ));
return (answer instanceof GDCmdItem && answer.isOK() ) ?
((GDCmdItem) answer).getDoubleData() : null;
}
public void drawText(final String str, final double x, final double y, final double rDeg, final double hAdj) {
this.rj.sendMainCmd(new GDCmdItem.DrawText(
this.devId, str, x, y, rDeg, hAdj, this.slot ));
}
public void drawRaster(final byte[] imgData, final boolean imgAlpha, final int imgW, final int imgH,
final double x, final double y, final double w, final double h,
final double rDeg, final boolean interpolate) {
this.rj.sendMainCmd(new GDCmdItem.DrawRaster(this.devId, imgData, imgAlpha, imgW, imgH, x, y, w, h,
rDeg, interpolate, this.slot ));
}
public byte[] capture(final int[] dim) {
final MainCmdItem answer = this.rj.sendMainCmd(new GDCmdItem.Capture(this.devId,
dim[0], dim[1], this.slot ));
return (answer instanceof GDCmdItem && answer.isOK() ) ?
((GDCmdItem) answer).getByteData() : null;
}
public double[] execLocator() {
final MainCmdItem answer = this.rj.sendMainCmd(new GDCmdItem.Locator(
this.devId, this.slot ));
return (answer instanceof GDCmdItem && answer.isOK() ) ?
((GDCmdItem) answer).getDoubleData() : null;
}
}