m/grafX2
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Load_GPL/Save_GPL: clean code, remove warnings

Browse Source
This commit is contained in:
Thomas Bernard 2018-12-17 11:16:28 +01:00
parent ee992c6b5f
commit b47ace7a30
1 changed files with 69 additions and 60 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

129
src/miscfileformats.c
View File

@ -104,6 +104,7 @@ void Test_PAL(T_IO_Context * context, FILE * file)
}
}
/// Test for GPL (Gimp Palette) file format
void Test_GPL(T_IO_Context * context, FILE * file)
{
char buffer[16];
@ -123,8 +124,7 @@ void Test_GPL(T_IO_Context * context, FILE * file)
}
}
// skip the padding before a space-padded field.
/// skip the padding before a space-padded field.
static int skip_padding(FILE *file, int max_chars)
{
byte b;
@ -142,91 +142,100 @@ static int skip_padding(FILE *file, int max_chars)
return chars_read;
}
// -- Load file with format GPL -----------------------------------------
/// Load GPL (Gimp Palette) file format
void Load_GPL(T_IO_Context * context)
{
FILE *file;
char buffer[256];
File_error=0;
File_error = 1;
// Open file
if ((file=Open_file_read(context)))
file = Open_file_read(context);
if (file == NULL)
return;
if (!Read_byte_line(file, buffer, sizeof(buffer)))
return;
if (memcmp(buffer,"GIMP Palette",12) == 0)
{
int i, r, g, b, columns;
size_t len;
// Name: xxxxx
if (!Read_byte_line(file, buffer, sizeof(buffer)))
{
File_error = 1;
return;
}
if (memcmp(buffer,"GIMP Palette",12) == 0)
len = strlen(buffer);
while (len > 0)
{
int i, r, g, b, columns;
size_t len;
// Name: xxxxx
len--;
if (buffer[len] == '\r' || buffer[len] == '\n')
buffer[len] = '\0';
}
GFX2_Log(GFX2_DEBUG, "GPL %s\n", buffer);
if (0 == memcmp(buffer, "Name: ", 6))
snprintf(context->Comment, sizeof(context->Comment), "GPL: %s", buffer + 6);
// Columns: 16
if (fscanf(file, "Columns: %d", &columns) != 1)
return;
Read_byte_line(file, buffer, sizeof(buffer));
/// @todo set grafx2 columns setting to match.
// #<newline>
if (!Read_byte_line(file, buffer, sizeof(buffer)))
return;
for (i = 0; i < 256; i++)
{
skip_padding(file, 32);
if (fscanf(file, "%d", &r) != 1)
break;
skip_padding(file, 32);
if (fscanf(file, "%d", &g) != 1)
break;
skip_padding(file, 32);
if (fscanf(file, "%d\t", &b) != 1)
break;
if (!Read_byte_line(file, buffer, sizeof(buffer)))
break;
len = strlen(buffer);
while (len > 1)
{
File_error = 1;
return;
}
// Columns: 16
fscanf(file, "Columns: %d", &columns);
Read_byte_line(file, buffer, sizeof(buffer));
// TODO: set grafx2 columns setting to match.
// #<newline>
if (!Read_byte_line(file, buffer, sizeof(buffer)))
{
File_error = 1;
return;
len--;
if (buffer[len] == '\r' || buffer[len] == '\n')
buffer[len] = '\0';
}
/// @todo analyze color names to build shade table
for (i = 0; i < 256; i++)
{
skip_padding(file, 32);
fscanf(file, "%d", &r);
skip_padding(file, 32);
fscanf(file, "%d", &g);
skip_padding(file, 32);
fscanf(file, "%d\t", &b);
if (!Read_byte_line(file, buffer, sizeof(buffer)))
break;
len = strlen(buffer);
while (len > 1)
{
len--;
if (buffer[len] == '\r' || buffer[len] == '\n')
buffer[len] = '\0';
}
// TODO: analyze color names to build shade table
//printf("DBG: %3d: RGB(%3d,%3d,%3d) %s\n", i, r,g,b, buffer);
context->Palette[i].R = r;
context->Palette[i].G = g;
context->Palette[i].B = b;
}
} else
File_error = 2;
// close the file
fclose(file);
GFX2_Log(GFX2_DEBUG, "GPL: %3d: RGB(%3d,%3d,%3d) %s\n", i, r,g,b, buffer);
context->Palette[i].R = r;
context->Palette[i].G = g;
context->Palette[i].B = b;
}
if (i > 0) // at least one color was read
File_error = 0;
}
else
// Si on n'a pas réussi à ouvrir le fichier, alors il y a eu une erreur
File_error=1;
File_error = 2;
// close the file
fclose(file);
}
/// Save GPL (Gimp Palette) file format
void
Save_GPL (T_IO_Context * context)
{
// Gimp is a unix program, so use Unix file endings (LF aka '\n')
FILE *file;
File_error=0;
file = Open_file_write(context);
// Open output file
if ((file=Open_file_write(context)) != NULL ){
if (file != NULL )
{
int i;
File_error = 0;
fprintf (file, "GIMP Palette\n");
fprintf (file, "Name: %s\n", context->File_name);
// TODO: use actual columns value