1 /* 2 * Name: Graphics functions 3 * 4 * Purpose: All the functions that are used to create the Online Signature Image 5 * 6 * Author: Pedro de Oliveira <falso@rdk.homeip.net> 7 * 8 * Copyright (c) 2004-2011 Pedro de Oliveira ( falso@rdk.homeip-net ) 9 * 10 * This file is part of aMule. 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the 24 * Free Software Foundation, Inc., 25 * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA 26 */ 27 28 29 #ifdef __GD__ 30 31 #include <stdlib.h> 32 33 #include <gd.h> 34 35 #include "functions.h" 36 #include "configfile.h" 37 #include "graphics.h" 38 39 /* 40 * this is the funcion that writes the text to the image. 41 * almost everything is taken from libgd examples 42 */ 43 int createimage(CONF *config, char *lines[IMG_TEXTLINES], char *path_for_picture) 44 { 45 FILE *in, *out; 46 char *path; 47 gdImagePtr im; 48 int white, i; 49 int brect[8]; 50 51 if ( (in = fopen(config->font, "r")) == NULL) { 52 perror("font not found\ncheck casrc\n"); 53 return 0; 54 } 55 fclose(in); 56 57 if ( (in = fopen(config->source, "rb")) == NULL) { 58 perror("source_image not found\ncheck casrc\n"); 59 return 0; 60 } 61 62 im = gdImageCreateFromPng(in); 63 fclose(in); 64 65 if( NULL == im) { 66 perror("Error loading source image (not a valid png image file?).\n"); 67 return 0; 68 } 69 white = gdImageColorResolve(im, 255, 255, 255); 70 71 for (i = 0; i < IMG_TEXTLINES; i++) { 72 if (config->enabled[i] == 1) { 73 gdImageStringFT(im, &brect[0], white, config->font, config->size, 74 0.0, config->x[i], config->y[i], lines[i]); 75 } 76 } 77 78 if (config->img_type==0) { 79 path = get_amule_path("aMule-online-sign.png", 0, path_for_picture); 80 } else { 81 path = get_amule_path("aMule-online-sign.jpg", 0, path_for_picture); 82 } 83 84 if (path == NULL && config->img_type==0) { 85 perror("could not get PNG path\n"); 86 return 0; 87 } else if (path == NULL) { 88 perror("could not get JPG path\n"); 89 return 0; 90 } 91 out = fopen(path, "w"); 92 free(path); 93 94 if (config->img_type==0) { 95 gdImagePng(im, out); 96 } else { 97 gdImageJpeg(im, out, -1); 98 } 99 100 fclose(out); 101 printf("Online Signature picture created.\n"); 102 gdImageDestroy(im); 103 104 return 1; 105 } 106 107 #endif 108 109