153 lines
5.6 KiB
Rexx
Executable File
153 lines
5.6 KiB
Rexx
Executable File
/*----------------------------------------------------------------------------*/
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/* */
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/* Copyright (c) 1995, 2004 IBM Corporation. All rights reserved. */
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/* Copyright (c) 2005-2014 Rexx Language Association. All rights reserved. */
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/* */
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/* This program and the accompanying materials are made available under */
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/* the terms of the Common Public License v1.0 which accompanies this */
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/* distribution. A copy is also available at the following address: */
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/* https://www.oorexx.org/license.html */
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/* */
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/* Redistribution and use in source and binary forms, with or */
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/* without modification, are permitted provided that the following */
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/* conditions are met: */
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/* */
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/* Redistributions of source code must retain the above copyright */
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/* notice, this list of conditions and the following disclaimer. */
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/* Redistributions in binary form must reproduce the above copyright */
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/* notice, this list of conditions and the following disclaimer in */
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/* the documentation and/or other materials provided with the distribution. */
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/* */
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/* Neither the name of Rexx Language Association nor the names */
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/* of its contributors may be used to endorse or promote products */
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/* derived from this software without specific prior written permission. */
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/* */
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/* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS */
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/* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT */
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/* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS */
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/* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT */
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/* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, */
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/* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED */
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/* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */
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/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY */
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/* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */
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/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS */
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/* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
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/* */
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/*----------------------------------------------------------------------------*/
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/**
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* Name: drawing2.rex
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* Type: Open Object REXX Script
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*
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* Description: Example demonstrating drawing functionality.
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*/
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sd = locate()
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dlg = .MyDialogClass~new(sd"drawings.rc", 100)
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if dlg~initCode <> 0 then return 99
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dlg~execute("SHOWTOP")
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return 0
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::requires "ooDialog.cls"
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::class 'MyDialogClass' subclass RcDialog
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::attribute graphicObject
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::method init
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forward class (super) continue
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if self~initCode <> 0 then return self~initCode
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self~connectButtonEvent(11, "CLICKED", "circle")
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self~connectButtonEvent(12, "CLICKED", "myRectangle")
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self~connectDraw(10, "drawIt")
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self~graphicObject = "NONE"
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return self~initCode
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::method drawIt
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use arg id
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if self~graphicObject = "NONE" then return 0
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dc = self~getControlDC(10)
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if self~graphicObject = "CIRCLE" then do
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pen = self~createPen(5, "SOLID", 1)
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end
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else do
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pen = self~createPen(8, "SOLID", 2)
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end
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oldPen = self~objectToDc(dc, pen)
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properties = .directory~new
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properties~weight = 700
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properties~italic = .true
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font = self~createFontEx("Arial", 24, properties)
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oldFont = self~fontToDC(dc, font)
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self~transparentText(dc)
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self~getTextAlign(dc)
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if self~graphicObject = "CIRCLE" then do
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-- Get the size of the bounding rectangle for the text we are going to
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-- write, in this DC:
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size = self~getTextExtent(dc, self~graphicObject)
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-- Get the midpoint of the circle we are about to draw;
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pos = .Point~new(((300 - 10) % 2) + 10, ((200 - 10) % 2) + 10)
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-- Now adjust the pos point to specify where to write the text, in order
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-- to center it in the circle:
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pos~x -= size~width % 2
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pos~y -= size~height % 2
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-- Draw the circle.
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self~drawArc(dc, 10, 10, 300, 200)
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end
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else do
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-- Do the same calculations for the position to write the text as we did
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-- above for CIRCLE:
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size = self~getTextExtent(dc, self~graphicObject)
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pos = .Point~new(((320 - 10) % 2) + 10, ((200 - 10) % 2) + 10)
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pos~x -= size~width % 2
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pos~y -= size~height % 2
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-- Draw the rectangle.
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self~rectangle(dc, 10, 10, 320, 200)
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end
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-- Write the text at the position we calculated above.
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self~writeDirect(dc, pos~x, pos~y, self~graphicObject)
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self~fontToDC(dc, oldFont)
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self~deleteFont(font)
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self~objectToDc(dc, oldPen)
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self~deleteObject(pen)
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self~opaqueText(dc)
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self~freeControlDC(10, dc)
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return .true
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::method circle
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self~graphicObject = "CIRCLE"
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self~redrawControl(10, 1)
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::method myRectangle
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self~graphicObject = "RECTANGLE"
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self~redrawControl(10, 1)
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