obj c 画 图形 过程式开发

再次“复习”下过程式语言的繁琐

 

////  main.m//  shapes-Procedural////  Created by Wunderman on 11-12-28.//  Copyright (c) 2011年 __MyCompanyName__. All rights reserved.//  过程式开发//#import <Foundation/Foundation.h>typedef enum {    kCircle,    kRectangle,    kOblateSpheroid} ShapeType;typedef enum {    kRedColor,    kGreenColor,    kBlueColor} ShapeColor;typedef struct {    int x, y, width, height;} ShapeRect;typedef struct {    ShapeType type;    ShapeColor fillColor;    ShapeRect bounds;} Shape;void drawShapes(Shape shapes[], int count);void drawCircle(ShapeRect bounts, ShapeColor fillColor);NSString *colorName(ShapeColor colorName);int main (int argc, const char * argv[]){    @autoreleasepool {                // insert code here...        NSLog(@"Hello, World!");                Shape shape[3];                ShapeRect bounds_0 = {0, 0, 10, 30};        shape[0].type = kCircle;        shape[0].fillColor = kRedColor;        shape[0].bounds = bounds_0;                ShapeRect bounds_1 = {1, 1, 11, 31};        shape[1].type = kRectangle;        shape[1].fillColor = kGreenColor;        shape[1].bounds = bounds_1;                ShapeRect bounds_2 = {2, 2, 12, 32};        shape[2].type = kOblateSpheroid;        shape[2].fillColor = kBlueColor;        shape[2].bounds = bounds_2;                drawShapes(shape, 3);                }        return 0;}void drawShapes(Shape shapes[], int count) {    int i;    for(i = 0; i<count; i++) {        switch (shapes[i].type) {            case kCircle:                drawCircle(shapes[i].bounds, shapes[i].fillColor);                break;                            case kRectangle:                //drawRectangle(shapes[i].bounds, shapes[i].fillColor);                break;                            case kOblateSpheroid:                //drawOblateSpheroid(shapes[i].bounds, shapes[i].fillColor);                break;                            default:                break;        }    }}void drawCircle(ShapeRect bounts, ShapeColor fillColor) {    NSLog(@"drawing a circle at (%d, %d, %d, %d) in %@", bounts.x, bounts.y, bounts.width, bounts.height, colorName(fillColor));}NSString *colorName(ShapeColor colorName) {    switch (colorName) {        case kRedColor:            return @"red";            break;                    case kGreenColor:            return @"green";            break;                    case kBlueColor:            return @"blue";            break;                    default:            break;    }}