1 | /*****************************************************************************/ |
2 | /* */ |
3 | /* raw.c */ |
4 | /* */ |
5 | /* Raw image converter for the sp65 sprite and bitmap utility */ |
6 | /* */ |
7 | /* */ |
8 | /* */ |
9 | /* (C) 2012, Ullrich von Bassewitz */ |
10 | /* Roemerstrasse 52 */ |
11 | /* D-70794 Filderstadt */ |
12 | /* EMail: uz@cc65.org */ |
13 | /* */ |
14 | /* */ |
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. */ |
18 | /* */ |
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: */ |
22 | /* */ |
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 */ |
30 | /* distribution. */ |
31 | /* */ |
32 | /*****************************************************************************/ |
33 | |
34 | |
35 | |
36 | /* common */ |
37 | #include "attrib.h" |
38 | #include "print.h" |
39 | |
40 | /* sp65 */ |
41 | #include "attr.h" |
42 | #include "error.h" |
43 | #include "raw.h" |
44 | |
45 | |
46 | |
47 | /*****************************************************************************/ |
48 | /* Code */ |
49 | /*****************************************************************************/ |
50 | |
51 | |
52 | |
53 | StrBuf* GenRaw (const Bitmap* B, const Collection* A attribute ((unused))) |
54 | /* Generate binary output in raw format. The output is stored in a string |
55 | ** buffer (which is actually a dynamic char array) and returned. |
56 | */ |
57 | { |
58 | StrBuf* D; |
59 | unsigned X, Y; |
60 | |
61 | |
62 | /* Output the image properties */ |
63 | Print (stdout, 1, "Image is %ux%u with %u colors%s\n" , |
64 | GetBitmapWidth (B), GetBitmapHeight (B), GetBitmapColors (B), |
65 | BitmapIsIndexed (B)? " (indexed)" : "" ); |
66 | |
67 | /* Check the bitmap properties */ |
68 | if (!BitmapIsIndexed (B)) { |
69 | Error ("The raw format needs an input bitmap in indexed format" ); |
70 | } |
71 | |
72 | /* Create the output buffer and resize it to the required size. */ |
73 | D = NewStrBuf (); |
74 | SB_Realloc (D, GetBitmapWidth (B) * GetBitmapHeight (B)); |
75 | |
76 | /* Convert the image */ |
77 | for (Y = 0; Y < GetBitmapHeight (B); ++Y) { |
78 | for (X = 0; X < GetBitmapWidth (B); ++X) { |
79 | /* Place one pixel into the buffer */ |
80 | SB_AppendChar (D, (unsigned char) GetPixel (B, X, Y).Index); |
81 | } |
82 | } |
83 | |
84 | /* Return the converted bitmap */ |
85 | return D; |
86 | } |
87 | |