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/*=========================================================================*/
/* RUBBER.C - 10/12/95 */
/* Funcoes para o desenho interativo das primitivas. */
/*=========================================================================*/
/*- Bibliotecas padrao usadas ---------------------------------------------*/
#include <stdio.h>
#include <stdlib.h>
#include <math.h>
#include <string.h>
/*- Inclusao das bibliotecas IUP e CD: ------------------------------------*/
#include <iup.h>
#include <cd.h>
#include <cdiup.h>
/*- Prototypes e declaracoes do CD Test: ----------------------------------*/
#include "cdtest.h"
/*- Contexto do CD Test (declarado em CDTEST.C): --------------------------*/
extern tCTC ctgc;
/*- Parametros para o desenho das primitivas: -----------------------------*/
extern tLinePos line_pos;
extern tBoxPos box_pos;
extern tPixelPos pixel_pos;
extern tMarkPos mark_pos;
extern tArcPos arc_pos;
/*-------------------------------------------------------------------------*/
/* Segue as coordenadas do mouse atualizando o TXT apropriado. */
/*-------------------------------------------------------------------------*/
void follow(int x, int y)
{
static char mx[10], my[10];
static char nx[10], ny[10];
sprintf(nx, "%d", x);
sprintf(ny, "%d", y);
switch(ctgc.cur_prim) {
case PIXEL:
/* atualiza os parametros do pixel */
pixel_pos.x = x;
pixel_pos.y = y;
/* atualiza a caixa de dialogo */
sprintf(mx, "%d", x);
sprintf(my, "%d", y);
IupSetAttribute(IupGetHandle("txtPixelX"), IUP_VALUE, mx);
IupSetAttribute(IupGetHandle("txtPixelY"), IUP_VALUE, my);
break;
case MARK:
/* atualiza os parametros da mark */
mark_pos.x = x;
mark_pos.y = y;
/* atualiza a caixa de dialogo */
sprintf(mx, "%d", x);
sprintf(my, "%d", y);
IupSetAttribute(IupGetHandle("txtMarkX"), IUP_VALUE, mx);
IupSetAttribute(IupGetHandle("txtMarkY"), IUP_VALUE, my);
break;
case RECT:
case BOX:
/* atualiza os parametros da box */
if (ctgc.following) {
if (x < box_pos.x) {
box_pos.xmin = x;
box_pos.xmax = box_pos.x;
}
else {
box_pos.xmax = x;
box_pos.xmin = box_pos.x;
}
if (y < box_pos.y) {
box_pos.ymin = y;
box_pos.ymax = box_pos.y;
}
else {
box_pos.ymax = y;
box_pos.ymin = box_pos.y;
}
}
else {
box_pos.xmax = box_pos.xmin = x;
box_pos.ymax = box_pos.ymin = y;
}
/* atualiza a caixa de dialogo */
sprintf(mx, "%d", box_pos.xmin);
sprintf(nx, "%d", box_pos.xmax);
sprintf(my, "%d", box_pos.ymin);
sprintf(ny, "%d", box_pos.ymax);
IupSetAttribute(IupGetHandle("txtLBX1"), IUP_VALUE, mx);
IupSetAttribute(IupGetHandle("txtLBX2"), IUP_VALUE, nx);
IupSetAttribute(IupGetHandle("txtLBY1"), IUP_VALUE, my);
IupSetAttribute(IupGetHandle("txtLBY2"), IUP_VALUE, ny);
break;
case LINE:
sprintf(mx, "%d", x);
sprintf(my, "%d", y);
line_pos.x2 = x;
line_pos.y2 = y;
if (ctgc.following) {
IupSetAttribute(IupGetHandle("txtLBX2"), IUP_VALUE, mx);
IupSetAttribute(IupGetHandle("txtLBY2"), IUP_VALUE, my);
}
else {
line_pos.x1 = x;
line_pos.y1 = y;
IupSetAttribute(IupGetHandle("txtLBX1"), IUP_VALUE, mx);
IupSetAttribute(IupGetHandle("txtLBX2"), IUP_VALUE, mx);
IupSetAttribute(IupGetHandle("txtLBY1"), IUP_VALUE, my);
IupSetAttribute(IupGetHandle("txtLBY2"), IUP_VALUE, my);
}
break;
case ARC: /* ARC e SECTOR... */
case CHORD:
case SECTOR: /* ...sao equivalentes */
if (ctgc.following) {
/* atualiza os parametros do arc */
arc_pos.w = 2*abs(arc_pos.xc-x+1);
arc_pos.h = 2*abs(arc_pos.yc-y+1);
/* atualiza a caixa de dialogo */
sprintf(mx, "%d", arc_pos.w);
sprintf(my, "%d", arc_pos.h);
IupSetAttribute(IupGetHandle("txtASW"), IUP_VALUE, mx);
IupSetAttribute(IupGetHandle("txtASH"), IUP_VALUE, my);
}
else {
/* atualiza os parametros do arc */
arc_pos.xc = x;
arc_pos.xc = y;
/* atualiza a caixa de dialogo */
sprintf(mx, "%d", x);
sprintf(my, "%d", y);
IupSetAttribute(IupGetHandle("txtASXC"), IUP_VALUE, mx);
IupSetAttribute(IupGetHandle("txtASYC"), IUP_VALUE, my);
}
break;
case TEXT:
IupSetAttribute(IupGetHandle("txtTextX"), IUP_VALUE, nx);
IupSetAttribute(IupGetHandle("txtTextY"), IUP_VALUE, ny);
break;
case CLIP:
if (ctgc.following) {
if (atoi(nx) >= atoi(mx)) {
IupSetAttribute(IupGetHandle("txtClipXmax"), IUP_VALUE, nx);
IupSetAttribute(IupGetHandle("txtClipXmin"), IUP_VALUE, mx);
}
else {
IupSetAttribute(IupGetHandle("txtClipXmin"), IUP_VALUE, nx);
IupSetAttribute(IupGetHandle("txtClipXmax"), IUP_VALUE, mx);
}
if (atoi(ny) >= atoi(my)) {
IupSetAttribute(IupGetHandle("txtClipYmax"), IUP_VALUE, ny);
IupSetAttribute(IupGetHandle("txtClipYmin"), IUP_VALUE, my);
}
else {
IupSetAttribute(IupGetHandle("txtClipYmin"), IUP_VALUE, ny);
IupSetAttribute(IupGetHandle("txtClipYmax"), IUP_VALUE, my);
}
}
else {
IupSetAttribute(IupGetHandle("txtClipXmin"), IUP_VALUE, nx);
IupSetAttribute(IupGetHandle("txtClipYmin"), IUP_VALUE, ny);
IupSetAttribute(IupGetHandle("txtClipXmax"), IUP_VALUE, nx);
IupSetAttribute(IupGetHandle("txtClipYmax"), IUP_VALUE, ny);
strcpy(mx, nx);
strcpy(my, ny);
}
break;
case IMAGE:
if (ctgc.following) {
if (atoi(mx) <= atoi(nx)) {
sprintf(nx, "%d", abs(atoi(nx)-atoi(mx)));
IupSetAttribute(IupGetHandle("txtImageW"), IUP_VALUE, nx);
}
else {
IupSetAttribute(IupGetHandle("txtImageX"), IUP_VALUE, nx);
sprintf(nx, "%d", abs(atoi(nx)-atoi(mx)));
IupSetAttribute(IupGetHandle("txtImageW"), IUP_VALUE, nx);
}
if (atoi(my) <= atoi(ny)) {
sprintf(ny, "%d", abs(atoi(ny)-atoi(my)));
IupSetAttribute(IupGetHandle("txtImageH"), IUP_VALUE, ny);
}
else {
IupSetAttribute(IupGetHandle("txtImageY"), IUP_VALUE, ny);
sprintf(ny, "%d", abs(atoi(ny)-atoi(my)));
IupSetAttribute(IupGetHandle("txtImageH"), IUP_VALUE, ny);
}
}
else {
IupSetAttribute(IupGetHandle("txtImageX"), IUP_VALUE, nx);
IupSetAttribute(IupGetHandle("txtImageY"), IUP_VALUE, ny);
strcpy(mx, nx);
strcpy(my, ny);
}
break;
case RGB:
if (ctgc.following) {
if (atoi(mx) <= atoi(nx)) {
sprintf(nx, "%d", abs(atoi(nx)-atoi(mx)));
IupSetAttribute(IupGetHandle("txtImageRGBW"), IUP_VALUE, nx);
}
else {
IupSetAttribute(IupGetHandle("txtImageRGBX"), IUP_VALUE, nx);
sprintf(nx, "%d", abs(atoi(nx)-atoi(mx)));
IupSetAttribute(IupGetHandle("txtImageRGBW"), IUP_VALUE, nx);
}
if (atoi(my) <= atoi(ny)) {
sprintf(ny, "%d", abs(atoi(ny)-atoi(my)));
IupSetAttribute(IupGetHandle("txtImageRGBH"), IUP_VALUE, ny);
}
else {
IupSetAttribute(IupGetHandle("txtImageRGBY"), IUP_VALUE, ny);
sprintf(ny, "%d", abs(atoi(ny)-atoi(my)));
IupSetAttribute(IupGetHandle("txtImageRGBH"), IUP_VALUE, ny);
}
}
else {
IupSetAttribute(IupGetHandle("txtImageRGBX"), IUP_VALUE, nx);
IupSetAttribute(IupGetHandle("txtImageRGBY"), IUP_VALUE, ny);
strcpy(mx, nx);
strcpy(my, ny);
}
break;
default:
break;
}
}
/*-------------------------------------------------------------------------*/
/* Desenha uma linha em rubber band. */
/*-------------------------------------------------------------------------*/
void line(tRubber what, int x, int y)
{
static int x1, x2, y1, y2;
static int lastwhat = CLOSE;
switch (what) {
case NEWPOINT:
x1 = x2 = x; /* novo segmento comeca no... */
y1 = y2 = y; /* ...fim do primeiro */
break;
case MOVE:
if (lastwhat == MOVE) {
cdLine(x1, y1, x2, y2); /* apaga o segmento velho */
}
cdLine(x1, y1, x, y); /* desenha o novo */
x2 = x; /* o novo se... */
y2 = y; /* ...torna velho */
break;
case REPAINT:
cdLine(x1, y1, x2, y2); /* recupera o segmento perdido */
return; /* nao modifica lastwhat */
case CLOSE:
cdLine(x1, y1, x2, y2); /* apaga o ultimo segmento */
break;
default:
break;
}
lastwhat = what;
}
/*:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::*/
/* Desenha uma caixa vazia (funcao nao exportada). */
/*:::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::*/
static void frame(int x1, int y1, int x2, int y2)
{
cdLine(x1, y1, x1, y2);
cdLine(x2, y1, x2, y2);
cdLine(x1, y1, x2, y1);
cdLine(x1, y2, x2, y2);
}
/*-------------------------------------------------------------------------*/
/* Desenha uma caixa em rubber band. */
/*-------------------------------------------------------------------------*/
void box(tRubber what, int x, int y)
{
static int x1, x2, y1, y2;
static int lastwhat = CLOSE;
switch (what) {
case NEWPOINT:
x1 = x2 = x; /* novo segmento comeca no... */
y1 = y2 = y; /* fim do primeiro */
break;
case MOVE:
if (lastwhat == MOVE) {
frame(x1, y1, x2, y2); /* apaga a caixa anterior */
}
frame(x1, y1, x, y); /* desenha a nova */
x2 = x; /* o novo se... */
y2 = y; /* torna velho */
break;
case REPAINT:
frame(x1, y1, x2, y2); /* restaura a caixa perdida */
return; /* nao modifica lastwhat */
case CLOSE:
frame(x1, y1, x2, y2); /* apaga a caixa definitiva */
break;
default:
break;
}
lastwhat = what;
}
/*-------------------------------------------------------------------------*/
/* Desenha uma caixa centrada, em rubber band. */
/*-------------------------------------------------------------------------*/
void arc(tRubber what, int x, int y)
{
static int xc, yc, y1, x1;
static int lastwhat = CLOSE;
switch (what) {
case CENTER:
xc = x1 = x; /* novo segmento comeca no... */
yc = y1 = y; /* fim do primeiro */
break;
case MOVE:
if (lastwhat == MOVE) {
cdArc(xc, yc, 2*abs(xc-x1+1), 2*abs(yc-y1+1), 0, 360);
}
cdArc(xc, yc, 2*abs(xc-x+1), 2*abs(yc-y+1), 0, 360);
x1 = x; /* o novo se... */
y1 = y; /* torna velho */
break;
case REPAINT:
cdArc(xc, yc, 2*abs(xc-x1+1), 2*abs(yc-y1+1), 0, 360);
return; /* nao modifica lastwhat */
case CLOSE:
cdArc(xc, yc, 2*abs(xc-x1+1), 2*abs(yc-y1+1), 0, 360);
break;
default:
break;
}
lastwhat = what;
}
/*-------------------------------------------------------------------------*/
/* Desenha o poligono em rubber band. */
/*-------------------------------------------------------------------------*/
void polygon(tRubber what, int x, int y)
{
static int x1, x2, y1, y2;
static int lastwhat = CLOSE;
switch (what) {
case NEWPOINT:
if (lastwhat != CLOSE) {
cdLine(x1, y1, x2, y2); /* ...apaga a anterior e... */
cdLine(x1, y1, x, y); /* desenha a definitiva */
}
x1 = x; /* novo segmento comeca no... */
y1 = y; /* fim do primeiro */
break;
case MOVE:
if (lastwhat == MOVE) {
cdLine(x1, y1, x2, y2); /* apaga o segmento velho */
}
cdLine(x1, y1, x, y); /* desenha o novo */
x2 = x; /* o novo se... */
y2 = y; /* torna velho */
break;
case REPAINT:
cdLine(x1, y1, x2, y2); /* recupera o segmento perdido */
return; /* nao modifica lastwhat */
case CLOSE:
if (lastwhat != CLOSE) {
int i;
cdLine(x1, y1, x2, y2); /* apaga o ultimo segmento */
/* apaga o poligono temporario inteiro */
for (i=0; (i<ctgc.num_points-1); i++) {
cdLine(ctgc.points[i].x, ctgc.points[i].y,
ctgc.points[i+1].x, ctgc.points[i+1].y);
}
}
break;
default:
break;
}
lastwhat = what;
}
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