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shootgun debug session #539

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This commit is contained in:
tTh
2022-12-19 13:54:39 +01:00
parent c1c954100e
commit 00e796bf5e
4 changed files with 53 additions and 8 deletions
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16
Tools/essayage.sh Executable file
View File

@@ -0,0 +1,16 @@
#!/bin/bash
set -e
make genplot2
cat > a.scratch << __EOT__
0 0 0
320 0 2
320 240 2
0 240 2
0 0 2
320 240 7
__EOT__
./genplot2 -v -s 640x480 a.scratch foo.tga

24
Tools/genplot2.c
View File

@@ -20,6 +20,7 @@
static Image_Desc *image;
static RGB_map map;
static int curX, curY;
static int verbeux;
/*::------------------------------------------------------------------::*/
int initgr(int largeur, int hauteur)
{
@@ -30,7 +31,7 @@ if (NULL==(image=Image_alloc(largeur, hauteur, 3))) {
exit(3);
}
printf("Genplot2: initgr %d %d\n", largeur, hauteur);
if (verbeux) fprintf(stderr, "Genplot2: initgr %d %d\n", largeur, hauteur);
for (foo=0; foo<8; foo++) {
#if DEBUG_LEVEL
printf("\tPal(%d) = ", foo);
@@ -58,7 +59,7 @@ fprintf(stderr, "\tMOVE %5d %5d\n", x, y);
curX = x; curY = y;
return 0;
}
/*::------------------------------------------------------------------::*/
int draw(int x, int y, int color)
{
RGBA rgba;
@@ -76,7 +77,16 @@ if (idx != color) {
rgba.r = map.red[color];
rgba.g = map.green[color];
rgba.b = map.blue[color];
Image_draw_line(image, curX, curY, x, y, &rgba);
/* new Mon 19 Dec 2022 12:53:32 PM CET
check for special cases: eg horizontal lines
*/
if (y == curY) {
Image_H_line(image, curX, x, y, &rgba);
}
else {
Image_draw_line(image, curX, curY, x, y, &rgba);
}
curX = x; curY = y;
return 0;
}
@@ -84,7 +94,7 @@ return 0;
int endgr(char *filename)
{
fprintf(stderr, "genplot2 is saving to '%s'\n", filename);
if (verbeux) fprintf(stderr, "genplot2 is saving to '%s'\n", filename);
Image_TGA_save(filename, image, 0);
return 0;
@@ -125,6 +135,7 @@ while ((opt = getopt(argc, argv, "hs:v")) != -1) {
foo = parse_size_param(optarg, &outw, &outh);
break;
case 'v':
verbeux = 1;
break;
default:
fprintf(stderr, "invalid opt %d\n", opt);
@@ -138,8 +149,11 @@ else filename = argv[optind];
if (argc<=optind+1) image = "image.tga";
else image = argv[optind+1];
fprintf(stderr, "argc %d optind %d file '%s' image '%s'\n",
if (verbeux) {
fprintf(stderr, "argc %d optind %d file '%s' image '%s'\n",
argc, optind, filename, image);
fprintf(stderr, " picsize : %d %d\n", outw, outh);
}
/*----------- giving to the yuser some useless informations --- */
#if DEBUG_LEVEL
fprintf(stderr, "*** Genplot2 v 1.0.9 (dwtfywl) 1995,2010,2022 TontonTh \n");