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Handle PIXEL_TALL3 mode in file formats (GIF)

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This commit is contained in:
Thomas Bernard 2018-01-08 18:14:51 +01:00
parent 0285f37fc2
commit 8dfd6d6c97
3 changed files with 24 additions and 16 deletions
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5
src/buttons.c
View File

@ -3269,8 +3269,9 @@ void Load_picture(enum CONTEXT_TYPE type)
((context.Ratio == PIXEL_WIDE &&
Pixel_ratio != PIXEL_WIDE && Pixel_ratio != PIXEL_WIDE2) ||
(context.Ratio == PIXEL_TALL &&
Pixel_ratio != PIXEL_TALL && Pixel_ratio != PIXEL_TALL2 &&
Pixel_ratio != PIXEL_TALL3)))
Pixel_ratio != PIXEL_TALL && Pixel_ratio != PIXEL_TALL2) ||
(context.Ratio == PIXEL_TALL3 &&
Pixel_ratio != PIXEL_TALL3) ))
{
Init_mode_video(
Video_mode[Current_resolution].Width,

22
src/fileformats.c
View File

@ -4087,12 +4087,19 @@ void Load_GIF(T_IO_Context * context)
Original_screen_X=LSDB.Width;
Original_screen_Y=LSDB.Height;
if (LSDB.Aspect==17)
switch(LSDB.Aspect) {
case 17: // (17 + 15) / 64 = 1:2
ratio=PIXEL_TALL;
else if (LSDB.Aspect==113)
break;
case 33: // (33 + 15) / 64 = 3:4
ratio=PIXEL_TALL3;
break;
case 113: // (113 + 15) / 64 = 2:1
ratio=PIXEL_WIDE;
else
break;
default:
ratio=PIXEL_SIMPLE;
}
Pre_load(context, LSDB.Width,LSDB.Height,file_size,FORMAT_GIF,ratio,(LSDB.Resol&7)+1);
context->Width=LSDB.Width;
@ -4657,10 +4664,15 @@ void Save_GIF(T_IO_Context * context)
switch(context->Ratio)
{
case PIXEL_TALL:
LSDB.Aspect = 17; // 1:2
case PIXEL_TALL2:
LSDB.Aspect = 17; // 1:2 = 2:4
break;
case PIXEL_TALL3:
LSDB.Aspect = 33; // 3:4
break;
case PIXEL_WIDE:
LSDB.Aspect = 113; // 2:1
case PIXEL_WIDE2:
LSDB.Aspect = 113; // 2:1 = 4:2
break;
default:
LSDB.Aspect = 0; // undefined, which is most frequent.

7
src/loadsave.c
View File

@ -1288,12 +1288,7 @@ void Init_context_layered_image(T_IO_Context * context, char *file_name, char *f
strcpy(context->Comment, Main.backups->Pages->Comment);
context->Transparent_color=Main.backups->Pages->Transparent_color;
context->Background_transparent=Main.backups->Pages->Background_transparent;
if (Pixel_ratio == PIXEL_WIDE || Pixel_ratio == PIXEL_WIDE2)
context->Ratio=PIXEL_WIDE;
else if (Pixel_ratio == PIXEL_TALL || Pixel_ratio == PIXEL_TALL2 || Pixel_ratio == PIXEL_TALL3)
context->Ratio=PIXEL_TALL;
else
context->Ratio=PIXEL_SIMPLE;
context->Ratio = Pixel_ratio;
context->Target_address=Main.backups->Pages->Image[0].Pixels;
context->Pitch=Main.image_width;