dzxk.rar_linux 电子相框_电子相框

#include <stdlib.h> #include <stdio.h> #include <unistd.h> #include <fcntl.h> #include <sys/mman.h> #include <sys/stat.h> #include "common.h" #define DEBUG 0 #if DEBUG #endif int display_jpeg(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i, j; for(i = 0; i < fb_inf.w; ++i){ for (j = 0; j < fb_inf.h; ++j){ fb_pixel(fb_inf, i, j, buf32[i + j * fb_inf.w]); } //usleep(5000); } free(buf24); free(scale_buf); free(buf32); return 0; } int display_eff0(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i, j; for(i = 0; i < fb_inf.w/2; ++i){ for (j = 0; j < fb_inf.h/2; j = ++j){ fb_pixel(fb_inf, i, j, buf32[i + j * fb_inf.w]); } }usleep(1000000); for(i =fb_inf.w/2; i < fb_inf.w; ++i){ for (j = fb_inf.h/2; j < fb_inf.h; j = ++j){ fb_pixel(fb_inf, i, j, buf32[i + j * fb_inf.w]); } }usleep(1000000); for(i = 0; i < fb_inf.h/2; ++i){ for (j = fb_inf.w/2; j < fb_inf.w; j = ++j){ fb_pixel(fb_inf, j, i, buf32[j + i * fb_inf.w]); } }usleep(1000000); for(i = fb_inf.h/2; i < fb_inf.h; ++i){ for (j = 0; j < fb_inf.w/2; j =++j){ fb_pixel(fb_inf, j, i, buf32[j + i * fb_inf.w]); } }usleep(1000000); free(buf24); free(scale_buf); free(buf32); return 0; } int display_eff1(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i, j; for(i = 0; i < fb_inf.h; ++i){ for (j = 0; j < fb_inf.w; ++j){ fb_pixel(fb_inf, j, i, buf32[j + i * fb_inf.w]); } } free(buf24); free(scale_buf); free(buf32); return 0; } int display_eff2(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i, j; for(i = 0; i < fb_inf.w; ++i){ for (j = 0; j < fb_inf.h; j = j + 3){ fb_pixel(fb_inf, i, j, buf32[i + j * fb_inf.w]); } usleep(500); } for(i = 0; i < fb_inf.w; ++i){ for (j = 1; j < fb_inf.h; j = j + 3){ fb_pixel(fb_inf, i, j, buf32[i + j * fb_inf.w]); } usleep(500); } for(i = 0; i < fb_inf.w; ++i){ for (j = 2; j < fb_inf.h; j = j + 3){ fb_pixel(fb_inf, i, j, buf32[i + j * fb_inf.w]); } usleep(500); } free(buf24); free(scale_buf); free(buf32); return 0; } int display_444(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i, j,m,n; for(i = 0; i < 1500; ++i){ for (j = 0; j < 2000; ++j){ m=rand()%1024,n=rand()%768; fb_pixel(fb_inf, m, n, buf32[m + n * fb_inf.w]); } } for(i = 0; i < fb_inf.h; ++i){ for (j = 0; j < fb_inf.w; ++j){ fb_pixel(fb_inf, j, i, buf32[j + i * fb_inf.w]); } } free(buf24); free(scale_buf); free(buf32); return 0; } int display_443(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i, j; for(i = fb_inf.h*2/5; i < fb_inf.h*3/5; ++i){ for (j =fb_inf.w*2/5; j < fb_inf.w*3/5; ++j){ fb_pixel(fb_inf, j, i, buf32[j +i * fb_inf.w]); } }usleep(500000); for(i = fb_inf.h/5; i < fb_inf.h*4/5; ++i){ for (j =fb_inf.w*2/5; j < fb_inf.w*4/5; ++j){ fb_pixel(fb_inf, j, i, buf32[j +i * fb_inf.w]); } }usleep(500000); for(i = 0; i < fb_inf.h; ++i){ for (j = 0; j < fb_inf.w; ++j){ fb_pixel(fb_inf, j, i, buf32[j + i * fb_inf.w]); } }usleep(500000); free(buf24); free(scale_buf); free(buf32); return 0; } int display_442(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i,j,r,R; R=(int)sqrt(fb_inf.w/2*fb_inf.w/2+fb_inf.h/2*fb_inf.h/2); for(r=0; r<R; r++) { for(j=fb_inf.h/2-r; j<fb_inf.h/2+r; j++) { if(j<0||j>=fb_inf.h) continue; for(i=fb_inf.w/2-r;i<fb_inf.w/2+r;i++) { if(i<0||i>=fb_inf.w) continue; if( sqrt((j-fb_inf.h/2)*(j-fb_inf.h/2)+(i-fb_inf.w/2)*(i-fb_inf.w/2))<r) fb_pixel(fb_inf, i, j, buf32[i + j * fb_inf.w]);} } } free(buf24); free(scale_buf); free(buf32); return 0; } int display_440(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i,j,m; for(m=1; m<6; m++) { for(i=fb_inf.h/2-fb_inf.h*m/10; i<fb_inf.h/2+fb_inf.h*m/10; ++i) { for(j=fb_inf.w/2-fb_inf.w*m/10;j<fb_inf.w/2+fb_inf.w*m/10;++j){ fb_pixel(fb_inf, j, i, buf32[j + i * fb_inf.w]);} }usleep(200000); } free(buf24); free(scale_buf); free(buf32); return 0; } int display_1(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i,j,r,R; R=(int)sqrt(fb_inf.w/2*fb_inf.w/2+fb_inf.h/2*fb_inf.h/2); for(r=R; r>0; r--) { for(j=fb_inf.h/2+r; j>0; j--) { if(j<0||j>=fb_inf.h) continue; for(i=fb_inf.w/2+r;i>0;i--) { if(i<0||i>=fb_inf.w) continue; if( sqrt((j-fb_inf.h/2)*(j-fb_inf.h/2)+(i-fb_inf.w/2)*(i-fb_inf.w/2))>=r) fb_pixel(fb_inf, i, j, buf32[i + j * fb_inf.w]);} } } free(buf24); free(scale_buf); free(buf32); return 0; } int display_2(char *file, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(file, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i, j; for (j = 0; j < fb_inf.w; j++){ for(i = 0; i<fb_inf.h/2; ++i){ fb_pixel(fb_inf, j, i, buf32[j + i * fb_inf.w]); }usleep(20); } usleep(100000); for (j = fb_inf.w; j>0; j--){ for(i =fb_inf.h/2 ; i<fb_inf.h; ++i) { fb_pixel(fb_inf, j, i, buf32[j + i * fb_inf.w]); }usleep(20); } usleep(100000); usleep(1000000); free(buf24); free(scale_buf); free(buf32); return 0; } int display_441(char *filename, fb_info fb_inf) { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); int i, j; int x = fb_inf.w; for(j = 0; j < fb_inf.w/2; ++j){ for (i = 0; i < fb_inf.h; ++i){ fb_pixel(fb_inf, j, i, buf32[j + i * fb_inf.w]); x=j+fb_inf.w/2; fb_pixel(fb_inf, x, i, buf32[x + i * fb_inf.w]); } usleep(5000); } free(buf24); free(scale_buf); free(buf32); return 0; } int display_3(char *filename, fb_info fb_inf)//菱形扩张 { fb_info jpeg_inf; u8_t *buf24 = decode_jpeg(filename, &jpeg_inf); u8_t * scale_buf = scale24(buf24, fb_inf, jpeg_inf); u32_t *buf32 = rgb24to32(scale_buf, fb_inf); //int i, j; int r,j,i; for(r=0;r<fb_inf.w;r+=20) { for (j = 0; j < fb_inf.h; j++){ for(i = 0; i < fb_inf.w; i++){ if(abs(j-fb_inf.h/2)+abs(i-fb_inf.w/2)<=r) fb_pixel(f