Root/tools/ant-gui/ant-gui.c

Source at commit 121acf6ffad8f1bcd4b08e50e293e597880b68eb created 10 years 11 months ago.
By Werner Almesberger, tornado/cpu/cpu.brd: make connection to the MCU's GND pad straighter
1/*
2 * tools/ant-gui/ant-gui.c - Antorcha GUI
3 *
4 * Written 2012 by Werner Almesberger
5 * Copyright 2012 Werner Almesberger
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 */
12
13
14#include <stdint.h>
15#include <stdlib.h>
16#include <stdio.h>
17#include <unistd.h>
18
19#include "SDL.h"
20#include "SDL_gfxPrimitives.h"
21
22#include <libant/libant.h>
23
24
25#define XRES 320 /* canvas width */
26#define YRES 240 /* canvas height */
27
28#define W 80 /* image width */
29#define H 16 /* image height */
30#define GAP 6
31
32#define NX ((XRES+GAP)/(W+GAP))
33#define NY ((YRES+GAP)/(H+GAP))
34
35
36#define FG_SEL_RGBA 0x000000ff
37#define BG_SEL_RGBA 0xffffffff
38#define FG_NORM_RGBA 0xffffffff
39#define BG_NORM_RGBA 0x000000ff
40#define FG_ACT_RGBA 0xff2020ff
41
42
43static void upload(const uint8_t *img)
44{
45    FILE *file;
46
47    file = popen("ant-cl -", "w");
48    if (!file) {
49        perror("ant-cl");
50        exit(1);
51    }
52    if (dump_binary(file, img, W, H) < 0) {
53        perror("ant-cl");
54        fclose(file);
55        exit(1);
56    }
57    if (fclose(file) < 0) {
58        perror("ant-cl");
59        exit(1);
60    }
61}
62
63
64static void render(SDL_Surface *s, const uint8_t *img, int x, int y,
65    int sel, int act)
66{
67    int ix, iy;
68
69    uint32_t fg = act ? FG_ACT_RGBA : sel ? FG_SEL_RGBA : FG_NORM_RGBA;
70    uint32_t bg = sel ? BG_SEL_RGBA : BG_NORM_RGBA;
71
72    for (iy = 0; iy != H; iy++)
73        for (ix = 0; ix != W; ix++)
74            if (img[(iy*W+ix) >> 3] & (1 << (ix & 7)))
75                pixelColor(s, x+ix, y+iy, fg);
76            else
77                pixelColor(s, x+ix, y+iy, bg);
78}
79
80
81static void gui(uint8_t *const *imgs, int n)
82{
83    SDL_Surface *surf;
84    SDL_Event event;
85    int x = 0, y = 0, y_top = 0;
86    int dx, dy, do_upload;
87    int ix, iy, i;
88    int active = -1;
89
90    if (SDL_Init(SDL_INIT_VIDEO) < 0) {
91        fprintf(stderr, "SDL_init: %s\n", SDL_GetError());
92        exit(1);
93    }
94    atexit(SDL_Quit);
95
96    surf = SDL_SetVideoMode(XRES, YRES, 0, SDL_SWSURFACE);
97    if (!surf) {
98        fprintf(stderr, "SDL_SetVideoMode: %s\n", SDL_GetError());
99        exit(1);
100    }
101
102    while (1) {
103        dx = dy = do_upload = 0;
104        SDL_WaitEvent(&event);
105        switch (event.type) {
106        case SDL_KEYDOWN:
107            switch (event.key.keysym.sym) {
108            case SDLK_UP:
109                if (y > 0)
110                    dy = -1;
111                break;
112            case SDLK_DOWN:
113                if ((y+1)*NX+x < n)
114                    dy = 1;
115                break;
116            case SDLK_RIGHT:
117                dx = 1;
118                break;
119            case SDLK_LEFT:
120                dx = -1;
121                break;
122            case SDLK_RETURN:
123                do_upload = 1;
124                break;
125            case SDLK_q:
126                return;
127            default:
128                break;
129            }
130            break;
131        case SDL_QUIT:
132            return;
133        default:
134            break;
135        }
136
137        x = (x+NX+dx) % NX;
138        y += dy;
139        if (y*NX+x >= n)
140            x = n-y*NX-1;
141        if (y < y_top)
142            y_top = y;
143        if (y >= y_top+NY)
144            y_top = y-NY+1;
145
146        if (do_upload) {
147            i = y*NX+x;
148            upload(imgs[i]);
149            active = i;
150        }
151
152        SDL_LockSurface(surf);
153            SDL_FillRect(surf, NULL, SDL_MapRGB(surf->format, 0, 0, 0));
154        for (iy = 0; iy != NY; iy++)
155            for (ix = 0; ix != NX; ix++) {
156                i = (y_top+iy)*NX+ix;
157                if (i >= n)
158                    break;
159                render(surf, imgs[i],
160                    ix*(W+GAP), iy*(H+GAP),
161                    ix == x && y_top+iy == y, i == active);
162            }
163        SDL_UnlockSurface(surf);
164        SDL_UpdateRect(surf, 0, 0, 0, 0);
165    }
166}
167
168
169static void flush_edits(uint8_t ***imgs, int *n, struct edit *edits)
170{
171    const char *err;
172
173    if (!edits)
174        return;
175    *imgs = realloc(*imgs, sizeof(uint8_t **)*(*n+1));
176    if (!*imgs) {
177        perror("realloc");
178        exit(1);
179    }
180    (*imgs)[*n] = apply_edits(W, H, edits, &err);
181    if (!(*imgs)[*n]) {
182        fprintf(stderr, "%s\n", err);
183        exit(1);
184    }
185    (*n)++;
186    free_edits(edits);
187}
188
189
190static void generate(uint8_t ***imgs, int *n, const char *path)
191{
192    FILE *file;
193    char buf[100];
194    struct edit *edits = NULL, **last = &edits;
195    const char *err;
196    char *nl;
197
198    file = fopen(path, "r");
199    if (!file) {
200        perror(path);
201        exit(1);
202    }
203    while (fgets(buf, sizeof(buf), file)) {
204        if (buf[0] == '#')
205            continue;
206        nl = strchr(buf, '\n');
207        if (nl)
208            *nl = 0;
209        if (!buf[0]) {
210            flush_edits(imgs, n, edits);
211            edits = NULL;
212            last = &edits;
213            continue;
214        }
215        if (edits) {
216            *last = malloc(sizeof(struct edit));
217            if (!*last)
218                abort();
219            (*last)->type = edit_nl;
220            last = &(*last)->next;
221        }
222        *last = text2edit(buf, &err);
223        if (!*last) {
224            fprintf(stderr, "\"%s\": %s\n", buf, err);
225            exit(1);
226        }
227        while (*last)
228            last = &(*last)->next;
229    }
230    fclose(file);
231    flush_edits(imgs, n, edits);
232}
233
234
235static void usage(const char *name)
236{
237    fprintf(stderr, "usage: %s [-F font_dir ...] file ...\n", name);
238    exit(1);
239}
240
241
242int main(int argc, char **argv)
243{
244    uint8_t **imgs = NULL;
245    int n = 0;
246    int i, c;
247
248    while ((c = getopt(argc, argv, "F:")) != EOF)
249        switch (c) {
250        case 'F':
251            add_font_dir(optarg);
252            break;
253        default:
254            usage(*argv);
255        }
256
257    if (optind == argc)
258        usage(*argv);
259
260    for (i = optind; i != argc; i++)
261        generate(&imgs, &n, argv[i]);
262    gui(imgs, n);
263    exit(1);
264}
265

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