mirror of https://gitlab.com/rnger/amath
146 lines
4.3 KiB
C++
Executable File
146 lines
4.3 KiB
C++
Executable File
/*
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* Copyright (c) 2015-2017 Carsten Sonne Larsen <cs@innolan.dk>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. 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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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include "clib.h"
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#include "lib/real.h"
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#include "lib/fgrid.h"
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#include "main/functions.h"
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#include "system/graph_amiga.h"
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#ifdef AMIGA
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#include <exec/types.h>
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#include <exec/io.h>
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#include <exec/memory.h>
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#include <intuition/intuition.h>
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#include <clib/alib_protos.h>
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#include <clib/dos_protos.h>
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#include <clib/exec_protos.h>
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#include <clib/graphics_protos.h>
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#include <clib/layers_protos.h>
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#include <clib/gadtools_protos.h>
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#include <clib/intuition_protos.h>
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AmigaGraphWindow::AmigaGraphWindow() :
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GraphWindow()
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{
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window = NOMEM;
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}
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AmigaGraphWindow::~AmigaGraphWindow()
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{
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if (window != NOMEM) {
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CloseWindow(window);
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}
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}
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void AmigaGraphWindow::OpenGraphWindow(UserFunction* function)
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{
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grid = new Grid(function);
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window = OpenWindowTags(NULL,
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WA_Left, 20, WA_Top, 20,
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WA_Width, width, WA_Height, height,
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WA_IDCMP, IDCMP_CLOSEWINDOW | IDCMP_REFRESHWINDOW,
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WA_Flags, WFLG_SIZEGADGET | WFLG_DRAGBAR | WFLG_DEPTHGADGET | WFLG_CLOSEGADGET | WFLG_ACTIVATE |
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WFLG_SMART_REFRESH,
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WA_Title, (BYTE*)function->GetDefitionName(),
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TAG_DONE);
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grid->SetScreenBounderues(0, width - 15, 0, height - 15);
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grid->SetFunctionBounderies(min, max);
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DrawAxis();
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}
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void AmigaGraphWindow::CloseGraphWindow()
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{
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//TODO: Implement
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}
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void AmigaGraphWindow::DrawGraph(UserFunction* function)
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{
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RastPort *rp = window->RPort;
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SetAPen(rp, (ULONG)17);
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bool first = true;
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RealNumber *parameter = new RealNumber();
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double x = min;
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double y;
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double step = grid->GetHorizontalResolution();
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int screenX;
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int screenY;
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while (x < max) {
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parameter->SetRealValue(x);
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function->GetVariable()->AssignValue(parameter);
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Number *res = function->GetExpression()->Evaluate();
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y = res->GetRealValue();
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grid->GetScreenCoordinates(x, &screenX, y, &screenY);
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if (screenX != -1 && screenY != -1) {
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if (first) {
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Move(rp, screenX, height - screenY);
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first = false;
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} else {
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Draw(rp, screenX, height - screenY);
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}
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}
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x = x + step;
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}
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}
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void AmigaGraphWindow::DrawAxis()
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{
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const int arrow = 4;
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int xstart, ystart;
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int xend, yend;
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RastPort *rp = window->RPort;
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SetAPen(rp, (ULONG)17);
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grid->GetXAxis(&xstart, &xend, &ystart, ¥d);
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Move(rp, xstart, height - ystart);
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Draw(rp, xend, height - yend);
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Draw(rp, xend - arrow, height - yend + arrow);
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Move(rp, xend, height - yend);
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Draw(rp, xend - arrow, height - yend - arrow);
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grid->GetYAxis(&xstart, &xend, &ystart, ¥d);
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Move(rp, xstart, height - ystart);
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Draw(rp, xend, height - yend);
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Draw(rp, xend - arrow, height - yend + arrow);
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Move(rp, xend, height - yend);
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Draw(rp, xend + arrow, height - yend + arrow);
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}
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#endif
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