[go: up one dir, main page]

Menu

[r5]: / trunk / src / http / svg.c  Maximize  Restore  History

Download this file

154 lines (121 with data), 5.8 kB

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
/*
* Copyright (C) 2012 RCP100 Team (rcpteam@yahoo.com)
*
* This file is part of RCP100 project
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "http.h"
static unsigned max = 0;
static float normalize(unsigned h, unsigned *data, int data_cnt) {
int i;
max = 0;
for (i = 0; i < data_cnt; i++) {
if (data[i] > max)
max = data[i];
}
if (max > 80 && max <= 100)
return (float) 100 / (float) h;
// adjust max
unsigned tmp = 10;
while (1) {
tmp *= 2;
if (max <= tmp) {
max = tmp;
return (float) tmp / (float) h;
}
}
return 0;
}
void svg(const char *label, int w, int h, int xmargin, int ymargin, unsigned *data, unsigned data_cnt) {
int i;
float scale = normalize(h - 2 * ymargin, data, data_cnt);
if (scale == 0)
scale = 1;
printf("<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\"");
printf(" width=\"%dpx\" height=\"%dpx\">\n", w + 100, h);
printf("<text style=\"font-size:12px;font-style:normal;font-weight:normal;line-height:125%%;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans\" x=\"%d\" y=\"%d\">%s</text>\n",
xmargin, ymargin - 5, label);
// print grid
printf("<polyline points=\"%d, %d %d,%d %d,%d %d,%d %d,%d\" style=\"fill:none;stroke:grey;stroke-width:2\" />\n",
xmargin, ymargin, w - xmargin, ymargin,
w - xmargin, h - ymargin, xmargin, h - ymargin,
xmargin, ymargin);
for (i = 1; i < 4; i++) {
unsigned delta = ((h - (2 * ymargin)) / 4) * i;
printf("<polyline points=\"%d, %d %d,%d \" style=\"fill:none;stroke:grey;stroke-width:0.5\" />\n",
xmargin, ymargin + delta, w - xmargin, ymargin + delta);
}
unsigned delta = (w - (2 * xmargin)) / 8;
printf("<text style=\"font-size:12px;font-style:normal;font-weight:normal;line-height:125%%;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans\" x=\"%d\" y=\"%d\">%d</text>\n",
xmargin - 5, h - ymargin + 15, 0);
for (i = 1; i < 8; i++) {
printf("<polyline points=\"%d, %d %d,%d \" style=\"fill:none;stroke:grey;stroke-width:0.5\" />\n",
xmargin + delta * i, ymargin, xmargin + delta * i, h - ymargin);
printf("<text style=\"font-size:12px;font-style:normal;font-weight:normal;line-height:125%%;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans\" x=\"%d\" y=\"%d\">%d</text>\n",
xmargin + (delta * i) - 5, h - ymargin + 15, i * 3);
}
printf("<text style=\"font-size:12px;font-style:normal;font-weight:normal;line-height:125%%;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans\" x=\"%d\" y=\"%d\">%d</text>\n",
xmargin + (delta * i) - 5, h - ymargin + 15, i * 3);
int blank = rcpGetStatsInterval();
float deltax = (float) (w - (2 * xmargin)) / (float) (data_cnt - 1);
for (i = 0; i < data_cnt - 1; i++) {
if (i == blank)
continue;
float stroke = 1.5;
if (i > blank)
stroke = 0.5;
printf("<polyline points=\"%.02f, %.02f %.02f,%.02f \" style=\"fill:none;stroke:red;stroke-width:%.02f\" />\n",
xmargin + i * deltax, h - ymargin - data[i] / scale,
xmargin + i * deltax + deltax, h - ymargin - data[i + 1] / scale,
stroke);
}
max /= 4;
unsigned yoffset = (h - 2 * ymargin) / 4;
for (i = 1; i < 5; i++) {
printf("<text style=\"font-size:12px;font-style:normal;font-weight:normal;line-height:125%%;letter-spacing:0px;word-spacing:0px;fill:#000000;fill-opacity:1;stroke:none;font-family:Sans\" x=\"%d\" y=\"%d\">%d</text>\n",
w - xmargin + 3, h - ymargin + 5 - yoffset * i, i * max);
}
printf("</svg>\n");
}
void svg_hbar(int w, int h) {
printf("<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\"");
printf(" width=\"%dpx\" height=\"%dpx\">", w, h);
printf("<rect width=\"%dpx\" height=\"%dpx\" ", w, h);
printf("style=\"fill:#00ff00;stroke-width:1;stroke:white\" />");
printf("</svg>");
}
void svg_checkmark(int size) {
float scale = (float) size / (float) 100;
printf("<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\"");
printf(" width=\"%dpx\" height=\"%dpx\">", size, size);
printf("<path d=\"M10 10 L10 90 L 90 90 L90 10 L10 10 Z\" ");
printf("style=\"fill:white;stroke-width:1;stroke:black\" transform=\"scale(%f)\" />", scale);
printf("<path d=\"M0 50 L50 100 L100 0 L75 3 L45 80 L0 48 L0 50 Z\" ");
printf("style=\"fill:#00ff00;stroke-width:2;stroke:black\" transform=\"scale(%f)\" />", scale);
printf("</svg>");
}
void svg_cross(int size) {
float scale = (float) size / (float) 100;
printf("<svg xmlns=\"http://www.w3.org/2000/svg\" version=\"1.1\"");
printf(" width=\"%dpx\" height=\"%dpx\">", size, size);
printf("<path d=\"M10 10 L10 90 L 90 90 L90 10 L10 10 Z\" ");
printf("style=\"fill:white;stroke-width:1;stroke:black\" transform=\"scale(%f)\" />", scale);
printf("<path d=\"M20 0 L0 10 L95 100 L100 95 L20 0 Z\" ");
printf("style=\"fill:#ff0000;stroke-width:2;stroke:black\" transform=\"scale(%f)\" />", scale);
printf("<path d=\"M0 95 L5 100 L100 15 L90 0 L0 95 Z\" ");
printf("style=\"fill:#ff0000;stroke-width:2;stroke:black\" transform=\"scale(%f)\" />", scale);
printf("</svg>");
}