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Use only as many palette entries as there are colors in the image.
git-svn-id: svn://svn.cc65.org/cc65/trunk@5556 b7a2c559-68d2-44c3-8de9-860c34a00d81
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@ -242,6 +242,7 @@ Bitmap* ReadPCXFile (const char* Name)
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Bitmap* B;
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unsigned char* L;
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Pixel* Px;
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unsigned MaxIdx = 0;
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unsigned X, Y;
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@ -313,6 +314,9 @@ Bitmap* ReadPCXFile (const char* Name)
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/* Create pixels */
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for (X = 0; X < P->Width; ++X, ++Px) {
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if (L[X] > MaxIdx) {
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MaxIdx = L[X];
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}
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Px->Index = L[X];
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}
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}
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@ -388,22 +392,26 @@ Bitmap* ReadPCXFile (const char* Name)
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Error ("Invalid palette marker in PCX file `%s'", Name);
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}
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/* Read the palette */
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ReadData (F, Palette, sizeof (Palette));
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Count = 256;
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} else if (EndPos == CurPos) {
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/* The palette is in the header */
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FileSetPos (F, 16);
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ReadData (F, Palette, 48);
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Count = 16;
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/* Check the maximum index for safety */
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if (MaxIdx > 15) {
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Error ("PCX file `%s' contains more than 16 indexed colors "
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"but no extra palette", Name);
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}
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} else {
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Error ("Error in PCX file `%s': %lu bytes at end of pixel data",
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Name, EndPos - CurPos);
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}
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/* Read the palette. We will just read what we need. */
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Count = MaxIdx + 1;
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ReadData (F, Palette, Count * sizeof (Palette[0]));
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/* Create the palette from the data */
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B->Pal = NewPalette (Count);
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for (I = 0; I < Count; ++I) {
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@ -412,6 +420,7 @@ Bitmap* ReadPCXFile (const char* Name)
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B->Pal->Entries[I].B = Palette[I][2];
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B->Pal->Entries[I].A = 0;
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}
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}
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/* Close the file */
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