1 /*****************************************************************************/
5 /* Color palette definition for the sp65 sprite and bitmap utility */
9 /* (C) 2012, Ullrich von Bassewitz */
10 /* Roemerstrasse 52 */
11 /* D-70794 Filderstadt */
12 /* EMail: uz@cc65.org */
15 /* This software is provided 'as-is', without any expressed or implied */
16 /* warranty. In no event will the authors be held liable for any damages */
17 /* arising from the use of this software. */
19 /* Permission is granted to anyone to use this software for any purpose, */
20 /* including commercial applications, and to alter it and redistribute it */
21 /* freely, subject to the following restrictions: */
23 /* 1. The origin of this software must not be misrepresented; you must not */
24 /* claim that you wrote the original software. If you use this software */
25 /* in a product, an acknowledgment in the product documentation would be */
26 /* appreciated but is not required. */
27 /* 2. Altered source versions must be plainly marked as such, and must not */
28 /* be misrepresented as being the original software. */
29 /* 3. This notice may not be removed or altered from any source */
32 /*****************************************************************************/
45 /*****************************************************************************/
47 /*****************************************************************************/
51 Palette* NewPalette (unsigned Entries)
52 /* Create a new palette with the given number of entries */
56 /* Some safety checks */
57 PRECONDITION (Entries > 0 && Entries <= 256);
60 P = xmalloc (sizeof (*P) + (Entries - 1) * sizeof (P->Entries[0]));
62 /* Initialize the struct, then return it */
69 Palette* NewMonochromePalette (void)
70 /* Create and return a palette with two entries (black and white) */
72 /* Create a new palette */
73 Palette* P = NewPalette (2);
75 /* Set the two colors */
76 P->Entries[0] = RGBA (0x00, 0x00, 0x00, 0x00);
77 P->Entries[1] = RGBA (0xFF, 0xFF, 0xFF, 0x00);
79 /* Return the new palette */
85 void FreePalette (Palette* P)
86 /* Free a dynamically allocated palette */