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Load_INFO() right colors for 2nd image of NewIcons

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This commit is contained in:
Thomas Bernard 2018-03-09 12:34:33 +01:00
parent d57c6dd4ba
commit 856ba45839
1 changed files with 41 additions and 8 deletions
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49
src/fileformats.c
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@ -2624,16 +2624,22 @@ void Load_INFO(T_IO_Context * context)
}
if (File_error == 0 && header.ToolTypes)
{
int i;
int current_img = -1;
int width = 0;
int height = 0;
int color_count;
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
dword count;
char * ToolType;
if (Read_dword_be(file, &count))
{
for (i = 0; i < 256; i++)
palette_conv[i] = (byte)i;
while(count > 0)
{
ToolType = Read_INFO_String(file);
@ -2644,13 +2650,13 @@ void Load_INFO(T_IO_Context * context)
// NewIcons
if (strlen(ToolType) > 4 && ToolType[0] == 'I' && ToolType[1] == 'M' && ToolType[3] == '=')
{
byte * p;
const byte * p;
int img_index = ToolType[2] - '0';
p = (byte *)ToolType + 4;
if (img_index != current_img)
{
// image info + palette
byte * palette;
T_Components * palette;
int palette_len;
current_img = img_index;
@ -2668,12 +2674,40 @@ void Load_INFO(T_IO_Context * context)
color_count = *p++ - 0x21;
color_count = (color_count << 6) + *p++ - 0x21;
for (bpp = 1; color_count > (1 << bpp); bpp++) { }
palette = Decode_NewIcons(p, 8, &palette_len);
palette = (T_Components *)Decode_NewIcons(p, 8, &palette_len);
if (palette)
{
if (Config.Clear_palette && img_index == 1)
memset(context->Palette,0,sizeof(T_Palette));
memcpy(context->Palette, palette, palette_len);
if (img_index == 1)
{ // Set palette
if (Config.Clear_palette)
memset(context->Palette,0,sizeof(T_Palette));
memcpy(context->Palette, palette, palette_len);
palette_color_count = color_count;
}
else
{
// merge palette with the existing one
for (i = 0; i < color_count; i++)
{
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] = (byte)j;
}
}
free(palette);
}
if (img_index == 1)
@ -2698,10 +2732,9 @@ void Load_INFO(T_IO_Context * context)
pixels = Decode_NewIcons(p, bpp, &pixel_count);
if (pixels)
{
int i;
for (i = 0; i < pixel_count; i++)
{
Set_pixel(context, x_pos++, y_pos, pixels[i]);
Set_pixel(context, x_pos++, y_pos, palette_conv[pixels[i]]);
if (x_pos >= width)
{
x_pos = 0;