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Load_INFO() : load comments + fix for NewIcons

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fix Palette loading of newIcons when the palette spans
on several lines
This commit is contained in:
Thomas Bernard 2018-03-14 10:42:19 +01:00
parent 856ba45839
commit ebaccbab3e
1 changed files with 96 additions and 12 deletions
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106
src/fileformats.c
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@ -73,6 +73,10 @@
static void Load_PNG_Sub(T_IO_Context * context, FILE * file);
#endif
#ifndef MIN
#define MIN(a,b) ((a)<(b)?(a):(b))
#endif
//////////////////////////////////// IMG ////////////////////////////////////
// -- Tester si un fichier est au format IMG --------------------------------
@ -2471,10 +2475,10 @@ static char * Read_INFO_String(FILE * file)
return p;
}
static byte * Decode_NewIcons(const byte * p, int bits, int * len)
static byte * Decode_NewIcons(const byte * p, int bits, unsigned int * len)
{
int alloc_size;
int i;
unsigned int i;
byte * buffer;
dword current_byte = 0;
int current_bits = 0;
@ -2628,8 +2632,9 @@ void Load_INFO(T_IO_Context * context)
int current_img = -1;
int width = 0;
int height = 0;
int color_count;
int palette_color_count = 0; // used colors in global palette
int palette_continues = 0;
unsigned int color_count = 0;
unsigned int palette_color_count = 0; // used colors in global palette
int bpp = 0;
byte palette_conv[256]; // to translate sub icon specific palette to global palette
@ -2637,6 +2642,7 @@ void Load_INFO(T_IO_Context * context)
char * ToolType;
if (Read_dword_be(file, &count))
{
int look_for_comments = 1;
for (i = 0; i < 256; i++)
palette_conv[i] = (byte)i;
@ -2657,7 +2663,7 @@ void Load_INFO(T_IO_Context * context)
{
// image info + palette
T_Components * palette;
int palette_len;
unsigned int palette_len;
current_img = img_index;
if (current_img > 1 && (context->Type == CONTEXT_PREVIEW || context->Type == CONTEXT_PREVIEW_PALETTE))
@ -2673,7 +2679,7 @@ void Load_INFO(T_IO_Context * context)
height = *p++ - 0x21;
color_count = *p++ - 0x21;
color_count = (color_count << 6) + *p++ - 0x21;
for (bpp = 1; color_count > (1 << bpp); bpp++) { }
for (bpp = 1; color_count > (unsigned)(1 << bpp); bpp++) { }
palette = (T_Components *)Decode_NewIcons(p, 8, &palette_len);
if (palette)
{
@ -2681,15 +2687,24 @@ void Load_INFO(T_IO_Context * context)
{ // Set palette
if (Config.Clear_palette)
memset(context->Palette,0,sizeof(T_Palette));
memcpy(context->Palette, palette, palette_len);
memcpy(context->Palette, palette, MIN(palette_len,sizeof(T_Palette)));
if (palette_len < color_count * 3)
{
palette_color_count = palette_len / 3;
palette_continues = 1;
}
else
{
palette_color_count = color_count;
palette_continues = 0;
}
}
else
{
// merge palette with the existing one
for (i = 0; i < color_count; i++)
for (i = 0; (unsigned)i < MIN(color_count,palette_len/3); i++)
{
int j;
unsigned int j;
for (j = 0; j < palette_color_count; j++)
{
if (0 == memcmp(context->Palette + j, palette + i, sizeof(T_Components)))
@ -2707,6 +2722,10 @@ void Load_INFO(T_IO_Context * context)
}
palette_conv[i] = (byte)j;
}
if (palette_len < color_count * 3)
palette_continues = palette_len / 3;
else
palette_continues = 0;
}
free(palette);
}
@ -2724,15 +2743,64 @@ void Load_INFO(T_IO_Context * context)
Set_loading_layer(context, img_index - 1);
x_pos = 0; y_pos = 0;
}
else if (palette_continues)
{
T_Components * palette;
unsigned int palette_len;
palette = (T_Components *)Decode_NewIcons(p, 8, &palette_len);
if (palette)
{
if (img_index == 1)
{
memcpy(context->Palette + palette_color_count, palette, MIN(palette_len,sizeof(T_Palette) - 3*palette_color_count));
if (palette_color_count * 3 + palette_len < color_count * 3)
palette_color_count += palette_len / 3;
else
{
palette_color_count = color_count;
palette_continues = 0;
}
}
else
{
// merge palette with the existing one
for (i = 0; (unsigned)i < MIN(color_count-palette_continues,palette_len/3); i++)
{
unsigned int j;
for (j = 0; j < palette_color_count; j++)
{
if (0 == memcmp(context->Palette + j, palette + i, sizeof(T_Components)))
break;
}
if (j == palette_color_count)
{
if (palette_color_count < 256)
{ // Add color to palette
memcpy(context->Palette + palette_color_count, palette + i, sizeof(T_Components));
palette_color_count++;
}
else
Warning("Too much colors in new icons");
}
palette_conv[i+palette_continues] = (byte)j;
}
if (palette_continues * 3 + palette_len < color_count * 3)
palette_continues += palette_len / 3;
else
palette_continues = 0;
}
free(palette);
}
}
else
{
byte * pixels;
int pixel_count;
unsigned int pixel_count;
pixels = Decode_NewIcons(p, bpp, &pixel_count);
if (pixels)
{
for (i = 0; i < pixel_count; i++)
for (i = 0; (unsigned)i < pixel_count; i++)
{
Set_pixel(context, x_pos++, y_pos, palette_conv[pixels[i]]);
if (x_pos >= width)
@ -2745,6 +2813,22 @@ void Load_INFO(T_IO_Context * context)
}
}
}
else if (look_for_comments)
{
if (strlen(ToolType) > 1)
{
if (strcmp(ToolType, "*** DON'T EDIT THE FOLLOWING LINES!! ***") == 0)
{
// The following lines are NewIcons data!
look_for_comments = 0;
}
else if (context->Comment[0] == '\0')
{
strncpy(context->Comment, ToolType, COMMENT_SIZE);
context->Comment[COMMENT_SIZE] = '\0';
}
}
}
free(ToolType);
}
count -= 4;