88 lines
3.3 KiB
C++
88 lines
3.3 KiB
C++
#pragma once
|
||
|
||
#include "framework.h"
|
||
|
||
#define MAX_LOADSTRING 100
|
||
#define BUF_SIZE 255
|
||
|
||
#define MOVESEP 50
|
||
|
||
#define MAX(a, b) ((a) > (b) ? (a) : (b))
|
||
#define SIGN(x) ((x) > 0 ? 1 : (((x) == 0) ? 0 : -1))
|
||
|
||
enum { DGravity = 4, DUp = 0, DDown = 3, DLeft = 1, DRight = 2, DStay = 5, Gravity = 3 };
|
||
|
||
enum { StdWidth = 32, StdHeight = 32, WindowWidth = 720, WindowHeight = 480, GAME_HEAD, GAME_START, GAME_PAUSE, GAME_LOAD, GAME_SET, GAME_ABOUT };
|
||
|
||
enum { ById, ByName, ByFree };
|
||
|
||
typedef int Direction;
|
||
typedef int Mode;
|
||
|
||
// #define OPEN_DEBUG
|
||
|
||
// 调试输出
|
||
namespace DebugOutPut {
|
||
inline void openConsole() {
|
||
AllocConsole();
|
||
}
|
||
inline void closeConsole() {
|
||
FreeConsole();
|
||
}
|
||
inline void output(const char buf[]) {
|
||
HANDLE hd = GetStdHandle(STD_OUTPUT_HANDLE);
|
||
WriteConsole(hd, buf, strlen(buf), NULL, NULL);
|
||
CloseHandle(hd);
|
||
}
|
||
}; // namespace DebugOutPut
|
||
|
||
// 设置文字
|
||
inline void setText(LPCSTR fName, COLORREF color, LONG fHeight, LONG fWeight) {
|
||
settextcolor(color);
|
||
LOGFONT f;
|
||
gettextstyle(&f);
|
||
|
||
f.lfHeight = fHeight;
|
||
f.lfWeight = fWeight;
|
||
|
||
_tcscpy_s(f.lfFaceName, fName);
|
||
settextstyle(&f);
|
||
}
|
||
|
||
// 绘图函数，补充透明度
|
||
inline void drawAlpha(IMAGE* image, int x, int y, int width, int height, int pic_x, int pic_y, double AA = 1) {
|
||
// 变量初始化
|
||
DWORD* dst = GetImageBuffer(); // GetImageBuffer()函数，用于获取绘图设备的显存指针，EASYX自带
|
||
DWORD* draw = GetImageBuffer();
|
||
DWORD* src = GetImageBuffer(image); // 获取picture的显存指针
|
||
int imageWidth = image->getwidth(); // 获取图片宽度
|
||
int imageHeight = image->getheight(); // 获取图片宽度
|
||
int dstX = 0; // 在 绘图区域 显存里像素的角标
|
||
int srcX = 0; // 在 image 显存里像素的角标
|
||
|
||
// 实现透明贴图 公式： Cp=αp*FP+(1-αp)*BP ， 贝叶斯定理来进行点颜色的概率计算
|
||
for(int iy = 0; iy < height; iy++) {
|
||
for(int ix = 0; ix < width; ix++) {
|
||
// 防止越界
|
||
if(ix + pic_x >= 0 && ix + pic_x < imageWidth && iy + pic_y >= 0 && iy + pic_y < imageHeight && ix + x >= 0 && ix + x < WindowWidth && iy + y >= 0 && iy + y < WindowHeight) {
|
||
// 获取像素角标
|
||
int srcX = (ix + pic_x) + (iy + pic_y) * imageWidth;
|
||
dstX = (ix + x) + (iy + y) * WindowWidth;
|
||
|
||
int sa = ((src[srcX] & 0xff000000) >> 24) * AA; // 0xAArrggbb;AA是透明度
|
||
int sr = ((src[srcX] & 0xff0000) >> 16); // 获取 RGB 里的 R
|
||
int sg = ((src[srcX] & 0xff00) >> 8); // G
|
||
int sb = src[srcX] & 0xff; // B
|
||
|
||
// 设置对应的绘图区域像素信息
|
||
int dr = ((dst[dstX] & 0xff0000) >> 16);
|
||
int dg = ((dst[dstX] & 0xff00) >> 8);
|
||
int db = dst[dstX] & 0xff;
|
||
draw[dstX] = ((sr * sa / 255 + dr * (255 - sa) / 255) << 16) // 公式： Cp=αp*FP+(1-αp)*BP ； αp=sa/255 , FP=sr , BP=dr
|
||
| ((sg * sa / 255 + dg * (255 - sa) / 255) << 8) // αp=sa/255 , FP=sg , BP=dg
|
||
| (sb * sa / 255 + db * (255 - sa) / 255); // αp=sa/255 , FP=sb , BP=db
|
||
}
|
||
}
|
||
}
|
||
}
|