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Support CM5/GFX files with AMSDOS header

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also fixes the extension in load/save dialog
This commit is contained in:
Thomas Bernard 2019-12-22 14:37:38 +01:00
parent 7db529b5c8
commit 2a34ca83c8
2 changed files with 17 additions and 8 deletions
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23
src/cpcformats.c
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@ -1105,11 +1105,12 @@ void Test_CM5(T_IO_Context * context, FILE * file)
{
// check cm5 file size == 2049 bytes
FILE *file_gfx;
long file_size;
unsigned long file_size;
File_error = 1;
file_size = File_length_file(file);
if (!CPC_check_AMSDOS(file, NULL, NULL, &file_size))
file_size = File_length_file(file);
if (file_size != 2049)
return;
@ -1117,7 +1118,8 @@ void Test_CM5(T_IO_Context * context, FILE * file)
file_gfx = Open_file_read_with_alternate_ext(context, "gfx");
if (file_gfx == NULL)
return;
file_size = File_length_file(file_gfx);
if (!CPC_check_AMSDOS(file_gfx, NULL, NULL, &file_size))
file_size = File_length_file(file_gfx);
fclose(file_gfx);
if (file_size != 18432)
return;
@ -1155,7 +1157,7 @@ void Load_CM5(T_IO_Context* context)
return;
}
Pre_load(context, 48*6, 256, 2049, FORMAT_CM5, PIXEL_SIMPLE, 0);
Pre_load(context, 48*6, 256, 2049, FORMAT_CM5, PIXEL_SIMPLE, 5);
if (Config.Clear_palette)
{
@ -1171,6 +1173,8 @@ void Load_CM5(T_IO_Context* context)
First_color_in_palette = 64;
if (CPC_check_AMSDOS(file, NULL, NULL, NULL))
fseek(file, 128, SEEK_SET); // seek after AMSDOS header
if (!Read_byte(file, &ink0))
File_error = 2;
@ -1190,8 +1194,13 @@ void Load_CM5(T_IO_Context* context)
Set_pixel(context, tx, ty, ink0);
}
while(Read_byte(file, &value))
for (line = 0; line < 256; )
{
if (!Read_byte(file, &value))
{
File_error = 1;
break;
}
switch(mod)
{
case 0:
@ -1233,6 +1242,8 @@ void Load_CM5(T_IO_Context* context)
File_error = 1;
return;
}
if (CPC_check_AMSDOS(file, NULL, NULL, NULL))
fseek(file, 128, SEEK_SET); // seek after AMSDOS header
Set_loading_layer(context, 4);
if (context->Type == CONTEXT_PREVIEW)
@ -1300,7 +1311,6 @@ void Save_CM5(T_IO_Context* context)
File_error = 1;
return;
}
setvbuf(file, NULL, _IOFBF, 64*1024);
// Write layer 0
Set_saving_layer(context, 0);
@ -1326,7 +1336,6 @@ void Save_CM5(T_IO_Context* context)
File_error = 2;
return;
}
setvbuf(file, NULL, _IOFBF, 64*1024);
Set_saving_layer(context, 4);

2
src/loadsave.c
View File

@ -118,7 +118,7 @@ const T_Format File_formats[] = {
"pi1;pc1;pi2;pc2;pi3;pc3;neo;tny;tn1;tn2;tn3;tn4;"
"c64;p64;a64;pi;rp;aas;art;dd;iph;ipt;hpc;ocp;koa;koala;fli;bml;cdu;prg;pmg;rpm;"
"gpx;"
"cpc;scr;win;pph,cm5;go1;"
"cpc;scr;win;pph;cm5;go1;"
"hgr;dhgr;"
"grb;grob;"
"tga;pnm;xpm;xcf;jpg;jpeg;tif;tiff;ico;ic2;cur;info;flc;bin;map"},