122 lines
2.9 KiB
C
122 lines
2.9 KiB
C
/*
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* 用于在可绘制对象上绘制中文文字
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*
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* 绘制时将对象作为参数传入
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*/
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#include "cn/中文化.hpp"
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#include "lci/Drawable.h"
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/* 用于文字的绘制，只要不动就线程安全 */
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extern unsigned char ttu[];
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extern int ttunumber;
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extern unsigned char zzhi[];
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extern int zzhinumber;
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命名空间 qing {
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类 字体绘制器 {
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私有的:
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/*------ fonts lib ------
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* 文字库 */
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int font_w, font_h;
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unsigned short *chss = (unsigned short *)zzhi;
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unsigned char *vec = ttu;
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int zn = zzhinumber;
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int vennum = ttunumber;
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unsigned char *drawvect(Drawable* d, int x, int y, unsigned char *vect, int width, int high, Color &clr)
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// x, y是左上角坐标，vect指向矢量图数据，width和high分别代表要绘制的图的宽和高(好像宽需要=高)
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{
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if (!vect) return nullptr;
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int i = 0, j = 1; // 指向第一对数字
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unsigned char ix, iy; // 从数组取出的第一对坐标放在这
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double x1, y1;//, x2, y2; // 绘制直线的实数的坐标
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if (high == 0) high = width; // 调节高宽
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int ii1, jj1, ii2, jj2; // 最后算出的绘制直线的坐标
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int isend = 0; //是否到达曲线尾
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int isallend = 0; // 是否结束整个图像
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do {
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ix = vect[i];
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iy = vect[j];
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isend = ix & 1; // 奇数代表曲线尾
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isallend = iy & 1; // 奇数代表整个图像结束
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if (isallend) {
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i += 2;
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break; // 整个图像结束返回
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}
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if (isend) { // 如果这里曲线结束什么也不画进到下一条曲线
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i += 2;
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j += 2;
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continue;
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}
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ix /= 2;
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iy /= 2;
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x1 = ix;
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y1 = iy;
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x1 = width * x1 / 128.0;
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y1 = high * y1 / 128.0;
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ii1 = (int)(x1 + x);
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jj1 = (int)(y1 + y);
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int k;
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for (k = 0; k < 100000; k++) {
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//x2 = x1;
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//y2 = y1;
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ii2 = ii1;
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jj2 = jj1;
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i += 2;
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j += 2;
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ix = vect[i];
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iy = vect[j];
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isend = ix & 1; //奇数代表曲线尾
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isallend = iy & 1; //奇数代表整个图像结束
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ix /= 2;
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iy /= 2;
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x1 = ix;
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y1 = iy;
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x1 = width * x1 / 128.0;
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y1 = high * y1 / 128.0;
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ii1 = (int)(x1 + x);
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jj1 = (int)(y1 + y);
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d->line(ii1, jj1, ii2, jj2, clr);
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if (isend || isallend)
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break;
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}
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i += 2; //指向下一条曲线
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j += 2;
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} while (!isallend);
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return vect + i;
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}
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公开的:
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字体绘制器(const int font_w, const int font_h)
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: font_w(font_w), font_h(font_h) {}
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/* 绘制文字 */
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void drawvfont(Drawable* d, int x, int y, unsigned short z, Color &clr) {
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int i, j, k, ii;
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j = -1;
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for (i = 0; i < zn; i++) {
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if (chss[i] == z) {
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j = i;
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break;
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}
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}
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if (j < 0) return;
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k = 0;
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for (i = 0; i < vennum; i++) {
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if (k == j)
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break;
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for (ii =i; ii <vennum; ii++) {
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if (vec[2*ii + 1] & 1) {
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k++;
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i = ii;
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break;
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}
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}
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}
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if (k < j) return;
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drawvect(d, x, y, vec + 2 * i, font_w, font_h, clr);
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}
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};
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}
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