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- Added colortable_palette_get_size()

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- Added some more asserts
This commit is contained in:
Zsolt Vasvari 2008-02-17 08:45:19 +00:00
parent 01dac00ae0
commit 2eb626efdd
2 changed files with 26 additions and 0 deletions
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23
src/emu/emupal.c
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@ -369,6 +369,9 @@ colortable_t *colortable_alloc(running_machine *machine, UINT32 palettesize)
colortable_t *ctable;
UINT32 index;
assert(machine != NULL);
assert(machine->drv != NULL);
/* allocate the colortable */
ctable = auto_malloc(sizeof(*ctable));
memset(ctable, 0, sizeof(*ctable));
@ -402,6 +405,7 @@ colortable_t *colortable_alloc(running_machine *machine, UINT32 palettesize)
void colortable_entry_set_value(colortable_t *ctable, UINT32 entry, UINT16 value)
{
/* ensure values are within range */
assert(ctable != NULL);
assert(entry < ctable->entries);
assert(value < ctable->palentries);
@ -421,6 +425,7 @@ void colortable_entry_set_value(colortable_t *ctable, UINT32 entry, UINT16 value
UINT16 colortable_entry_get_value(colortable_t *ctable, UINT32 entry)
{
assert(ctable != NULL);
assert(entry < ctable->entries);
return ctable->raw[entry];
}
@ -434,6 +439,7 @@ UINT16 colortable_entry_get_value(colortable_t *ctable, UINT32 entry)
void colortable_palette_set_color(colortable_t *ctable, UINT32 entry, rgb_t color)
{
/* ensure values are within range */
assert(ctable != NULL);
assert(entry < ctable->palentries);
/* alpha doesn't matter */
@ -461,6 +467,7 @@ void colortable_palette_set_color(colortable_t *ctable, UINT32 entry, rgb_t colo
rgb_t colortable_palette_get_color(colortable_t *ctable, UINT32 entry)
{
assert(ctable != NULL);
assert(entry < ctable->palentries);
return ctable->palette[entry];
}
@ -479,6 +486,7 @@ UINT32 colortable_get_transpen_mask(colortable_t *ctable, const gfx_element *gfx
UINT32 count, bit;
/* make sure we are in range */
assert(ctable != NULL);
assert(entry < ctable->entries);
assert(gfx->color_depth <= 32);
@ -506,6 +514,9 @@ void colortable_configure_tilemap_groups(colortable_t *ctable, tilemap *tmap, co
{
int color;
assert(ctable != NULL);
assert(gfx != NULL);
assert(tmap != NULL);
assert(gfx->total_colors <= TILEMAP_NUM_GROUPS);
/* iterate over all colors in the tilemap */
@ -514,6 +525,18 @@ void colortable_configure_tilemap_groups(colortable_t *ctable, tilemap *tmap, co
}
/*-------------------------------------------------
colortable_palette_get_size -
return the number of entries in a colortable
-------------------------------------------------*/
UINT32 colortable_palette_get_size(colortable_t *ctable)
{
assert(ctable != NULL);
return ctable->palentries;
}
/***************************************************************************
UTILITIES

3
src/emu/emupal.h
View File

@ -174,6 +174,9 @@ UINT32 colortable_get_transpen_mask(colortable_t *ctable, const gfx_element *gfx
/* configure groups in a tilemap to represent transparency based on colortable entries (each group maps to a gfx color) */
void colortable_configure_tilemap_groups(colortable_t *ctable, tilemap *tmap, const gfx_element *gfx, int transcolor);
/* return the number of entries in a colortable */
UINT32 colortable_palette_get_size(colortable_t *ctable);
/* ----- utilities ----- */