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Test program

xpm-white-alpha.c (text/x-csrc), 7.46 KB, created by pudim on 2020-01-29 22:38:06 UTC

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Description:

Filename:

MIME Type:

Creator: pudim

Created: 2020-01-29 22:38:06 UTC

Size: 7.46 KB

patch

obsolete

>#include <SDL.h>
>#include <SDL_image.h>
>
>#define PALETTE4 \
>	"000	c None", \
>	"001	c Black", \
>	"002	c White", \
>	"003	c #666666"
>
>#define PALETTE256 \
>	PALETTE4, \
>	"004\tc #000004", "005\tc #000005", "006\tc #000006", "007\tc #000007",\
>	"008\tc #000008", "009\tc #000009", "010\tc #000010", "011\tc #000011",\
>	"012\tc #000012", "013\tc #000013", "014\tc #000014", "015\tc #000015",\
>	"016\tc #000016", "017\tc #000017", "018\tc #000018", "019\tc #000019",\
>	"020\tc #000020", "021\tc #000021", "022\tc #000022", "023\tc #000023",\
>	"024\tc #000024", "025\tc #000025", "026\tc #000026", "027\tc #000027",\
>	"028\tc #000028", "029\tc #000029", "030\tc #000030", "031\tc #000031",\
>	"032\tc #000032", "033\tc #000033", "034\tc #000034", "035\tc #000035",\
>	"036\tc #000036", "037\tc #000037", "038\tc #000038", "039\tc #000039",\
>	"040\tc #000040", "041\tc #000041", "042\tc #000042", "043\tc #000043",\
>	"044\tc #000044", "045\tc #000045", "046\tc #000046", "047\tc #000047",\
>	"048\tc #000048", "049\tc #000049", "050\tc #000050", "051\tc #000051",\
>	"052\tc #000052", "053\tc #000053", "054\tc #000054", "055\tc #000055",\
>	"056\tc #000056", "057\tc #000057", "058\tc #000058", "059\tc #000059",\
>	"060\tc #000060", "061\tc #000061", "062\tc #000062", "063\tc #000063",\
>	"064\tc #000064", "065\tc #000065", "066\tc #000066", "067\tc #000067",\
>	"068\tc #000068", "069\tc #000069", "070\tc #000070", "071\tc #000071",\
>	"072\tc #000072", "073\tc #000073", "074\tc #000074", "075\tc #000075",\
>	"076\tc #000076", "077\tc #000077", "078\tc #000078", "079\tc #000079",\
>	"080\tc #000080", "081\tc #000081", "082\tc #000082", "083\tc #000083",\
>	"084\tc #000084", "085\tc #000085", "086\tc #000086", "087\tc #000087",\
>	"088\tc #000088", "089\tc #000089", "090\tc #000090", "091\tc #000091",\
>	"092\tc #000092", "093\tc #000093", "094\tc #000094", "095\tc #000095",\
>	"096\tc #000096", "097\tc #000097", "098\tc #000098", "099\tc #000099",\
>	"100\tc #000100", "101\tc #000101", "102\tc #000102", "103\tc #000103",\
>	"104\tc #000104", "105\tc #000105", "106\tc #000106", "107\tc #000107",\
>	"108\tc #000108", "109\tc #000109", "110\tc #000110", "111\tc #000111",\
>	"112\tc #000112", "113\tc #000113", "114\tc #000114", "115\tc #000115",\
>	"116\tc #000116", "117\tc #000117", "118\tc #000118", "119\tc #000119",\
>	"120\tc #000120", "121\tc #000121", "122\tc #000122", "123\tc #000123",\
>	"124\tc #000124", "125\tc #000125", "126\tc #000126", "127\tc #000127",\
>	"128\tc #000128", "129\tc #000129", "130\tc #000130", "131\tc #000131",\
>	"132\tc #000132", "133\tc #000133", "134\tc #000134", "135\tc #000135",\
>	"136\tc #000136", "137\tc #000137", "138\tc #000138", "139\tc #000139",\
>	"140\tc #000140", "141\tc #000141", "142\tc #000142", "143\tc #000143",\
>	"144\tc #000144", "145\tc #000145", "146\tc #000146", "147\tc #000147",\
>	"148\tc #000148", "149\tc #000149", "150\tc #000150", "151\tc #000151",\
>	"152\tc #000152", "153\tc #000153", "154\tc #000154", "155\tc #000155",\
>	"156\tc #000156", "157\tc #000157", "158\tc #000158", "159\tc #000159",\
>	"160\tc #000160", "161\tc #000161", "162\tc #000162", "163\tc #000163",\
>	"164\tc #000164", "165\tc #000165", "166\tc #000166", "167\tc #000167",\
>	"168\tc #000168", "169\tc #000169", "170\tc #000170", "171\tc #000171",\
>	"172\tc #000172", "173\tc #000173", "174\tc #000174", "175\tc #000175",\
>	"176\tc #000176", "177\tc #000177", "178\tc #000178", "179\tc #000179",\
>	"180\tc #000180", "181\tc #000181", "182\tc #000182", "183\tc #000183",\
>	"184\tc #000184", "185\tc #000185", "186\tc #000186", "187\tc #000187",\
>	"188\tc #000188", "189\tc #000189", "190\tc #000190", "191\tc #000191",\
>	"192\tc #000192", "193\tc #000193", "194\tc #000194", "195\tc #000195",\
>	"196\tc #000196", "197\tc #000197", "198\tc #000198", "199\tc #000199",\
>	"200\tc #000200", "201\tc #000201", "202\tc #000202", "203\tc #000203",\
>	"204\tc #000204", "205\tc #000205", "206\tc #000206", "207\tc #000207",\
>	"208\tc #000208", "209\tc #000209", "210\tc #000210", "211\tc #000211",\
>	"212\tc #000212", "213\tc #000213", "214\tc #000214", "215\tc #000215",\
>	"216\tc #000216", "217\tc #000217", "218\tc #000218", "219\tc #000219",\
>	"220\tc #000220", "221\tc #000221", "222\tc #000222", "223\tc #000223",\
>	"224\tc #000224", "225\tc #000225", "226\tc #000226", "227\tc #000227",\
>	"228\tc #000228", "229\tc #000229", "230\tc #000230", "231\tc #000231",\
>	"232\tc #000232", "233\tc #000233", "234\tc #000234", "235\tc #000235",\
>	"236\tc #000236", "237\tc #000237", "238\tc #000238", "239\tc #000239",\
>	"240\tc #000240", "241\tc #000241", "242\tc #000242", "243\tc #000243",\
>	"244\tc #000244", "245\tc #000245", "246\tc #000246", "247\tc #000247",\
>	"248\tc #000248", "249\tc #000249", "250\tc #000250", "251\tc #000251",\
>	"252\tc #000252", "253\tc #000253", "254\tc #000254", "255\tc #000255",\
>	"256\tc #000256"
>
>char* bg_xpm[] = {
>	"3 1 4 3",
>	PALETTE4,
>	"001001001"
>};
>
>char* fg_xpm[] = {
>	"3 1 4 3",
>	PALETTE4,
>	"000002003",
>};
>
>char* bg_lg_xpm[] = {
>	"3 1 257 3",
>	PALETTE256,
>	"001001001"
>};
>
>char* fg_lg_xpm[] = {
>	"3 1 257 3",
>	PALETTE256,
>	"000002003"
>};
>
>#define print_pixels(name, fmt, c1, c2, c3) \
>	printf(name "\t= { " fmt ", " fmt ", " fmt " }\n", (c1), (c2), (c3))
>
>#define print_array(name, fmt, arr) \
>	print_pixels(name, fmt, (arr)[0], (arr)[1], (arr)[2])
>
>int main()
>{
>	SDL_Window *window;
>	SDL_Renderer *renderer;
>	SDL_Surface* bg8,   * fg8,   * bl8;
>	SDL_Surface* bg32,  * fg32,  * bl32;
>	SDL_Surface* bg_lg, * fg_lg, * bl_lg;
>
>	SDL_Init(SDL_INIT_VIDEO);
>	IMG_Init(0);
>	SDL_CreateWindowAndRenderer(32, 32, 0, &window, &renderer);
>
>	bg8	= IMG_ReadXPMFromArray(bg_xpm);
>	bl8	= IMG_ReadXPMFromArray(bg_xpm);
>	fg8	= IMG_ReadXPMFromArray(fg_xpm);
>	bg_lg	= IMG_ReadXPMFromArray(bg_lg_xpm);
>	bl_lg	= IMG_ReadXPMFromArray(bg_lg_xpm);
>	fg_lg	= IMG_ReadXPMFromArray(fg_lg_xpm);
>
>	bg32	= SDL_ConvertSurfaceFormat(bg8, SDL_PIXELFORMAT_BGRA32, 0);
>	bl32	= SDL_ConvertSurfaceFormat(bg8, SDL_PIXELFORMAT_BGRA32, 0);
>	fg32	= SDL_ConvertSurfaceFormat(fg8, SDL_PIXELFORMAT_BGRA32, 0);
>
>	SDL_SetSurfaceBlendMode(fg32,  SDL_BLENDMODE_ADD);
>	SDL_SetSurfaceBlendMode(bl32,  SDL_BLENDMODE_ADD);
>	SDL_SetSurfaceBlendMode(bl_lg, SDL_BLENDMODE_ADD);
>
>	SDL_BlitSurface(fg8,	NULL, bl8,	NULL);
>	SDL_BlitSurface(fg32,	NULL, bl32,	NULL);
>	SDL_BlitSurface(fg_lg,	NULL, bl_lg,	NULL);
>
>	puts("=== palette:");
>	print_array("bg",   "% 8d", (Uint8*) bg8->pixels);
>	print_array("fg",   "% 8d", (Uint8*) fg8->pixels);
>	print_array("blit", "% 8d", (Uint8*) bl8->pixels);
>	putchar('\n');
>	
>	puts("- expected:");
>	print_pixels("bg",   "% 8d", 1, 1, 1);
>	print_pixels("fg",   "% 8d", 0, 2, 3);
>	print_pixels("blit", "% 8d", 1, 2, 3);
>	putchar('\n');
>
>	puts("=== palette converted to argb:");
>	print_array("bg",   "%08x", (Uint32*) bg32->pixels);
>	print_array("fg",   "%08x", (Uint32*) fg32->pixels);
>	print_array("blit", "%08x", (Uint32*) bl32->pixels);
>	putchar('\n');
>
>	puts("- expected:");
>	print_pixels("bg",   "%08x", 0xff000000, 0xff000000, 0xff000000);
>	print_pixels("fg",   "%08x", 0x00000000, 0xffffffff, 0xff666666);
>	print_pixels("blit", "%08x", 0xff000000, 0xffffffff, 0xff666666);
>	putchar('\n');
>
>	puts("=== palette with 257 colors:");
>	print_array("bg",   "%08x", (Uint32*) bg_lg->pixels);
>	print_array("fg",   "%08x", (Uint32*) fg_lg->pixels);
>	print_array("blit", "%08x", (Uint32*) bl_lg->pixels);
>	putchar('\n');
>
>	puts("- expected:");
>	print_pixels("bg",   "%08x", 0xff000000, 0xff000000, 0xff000000);
>	print_pixels("fg",   "%08x", 0x00000000, 0xffffffff, 0xff666666);
>	print_pixels("blit", "%08x", 0xff000000, 0xffffffff, 0xff666666);
>	putchar('\n');
>	putchar('\n');
>
>	IMG_Quit();
>	SDL_Quit();
>
>	return 0;
>}

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Attachments on bug 4964: 4180 | 4181 | 4196 | 4197

We are currently migrating Bugzilla to GitHub issues.Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.

We are currently migrating Bugzilla to GitHub issues.
Any changes made to the bug tracker now will be lost, so please do not post new bugs or make changes to them.
When we're done, all bug URLs will redirect to their equivalent location on the new bug tracker.