|
1 | | -/*------------------------------------------------------------------------------ |
2 | | -Copyright (c) 2009 The GRRLIB Team |
3 | | -
|
4 | | -Permission is hereby granted, free of charge, to any person obtaining a copy |
5 | | -of this software and associated documentation files (the "Software"), to deal |
6 | | -in the Software without restriction, including without limitation the rights |
7 | | -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
8 | | -copies of the Software, and to permit persons to whom the Software is |
9 | | -furnished to do so, subject to the following conditions: |
10 | | -
|
11 | | -The above copyright notice and this permission notice shall be included in |
12 | | -all copies or substantial portions of the Software. |
13 | | -
|
14 | | -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
15 | | -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
16 | | -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
17 | | -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
18 | | -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
19 | | -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
20 | | -THE SOFTWARE. |
21 | | -------------------------------------------------------------------------------*/ |
22 | | - |
23 | | -#include <malloc.h> |
24 | | -#include <string.h> |
25 | | - |
26 | | -#include "grrlib.h" |
27 | | - |
28 | | -/** |
29 | | - * Load a ByteMap font structure from a buffer. |
30 | | - * @param my_bmf The ByteMap font buffer to load. |
31 | | - * @return A GRRLIB_bytemapFont structure filled with BMF informations. |
32 | | - */ |
33 | | -GRRLIB_bytemapFont* GRRLIB_LoadBMF (const u8 my_bmf[] ) { |
34 | | - GRRLIB_bytemapFont *fontArray = (struct GRRLIB_bytemapFont *)malloc(sizeof(GRRLIB_bytemapFont)); |
35 | | - int i, j = 1; |
36 | | - u8 lineheight, usedcolors, highestcolor, nbPalette; |
37 | | - short int sizeover, sizeunder, sizeinner, numcolpal; |
38 | | - u16 nbPixels; |
39 | | - |
40 | | - if (fontArray != NULL && my_bmf[0]==0xE1 && my_bmf[1]==0xE6 && my_bmf[2]==0xD5 && my_bmf[3]==0x1A) { |
41 | | - fontArray->version = my_bmf[4]; |
42 | | - lineheight = my_bmf[5]; |
43 | | - sizeover = my_bmf[6]; |
44 | | - sizeunder = my_bmf[7]; |
45 | | - fontArray->tracking = my_bmf[8]; |
46 | | - sizeinner = my_bmf[9]; |
47 | | - usedcolors = my_bmf[10]; |
48 | | - highestcolor = my_bmf[11]; |
49 | | - nbPalette = my_bmf[16]; |
50 | | - numcolpal = 3 * nbPalette; |
51 | | - fontArray->palette = (u32 *)calloc(nbPalette + 1, sizeof(u32)); |
52 | | - for (i=0; i < numcolpal; i+=3) { |
53 | | - fontArray->palette[j++] = ((((my_bmf[i+17]<<2)+3)<<24) | (((my_bmf[i+18]<<2)+3)<<16) | (((my_bmf[i+19]<<2)+3)<<8) | 0xFF); |
54 | | - } |
55 | | - j = my_bmf[17 + numcolpal]; |
56 | | - fontArray->name = (char *)calloc(j + 1, sizeof(char)); |
57 | | - memcpy(fontArray->name, &my_bmf[18 + numcolpal], j); |
58 | | - j = 18 + numcolpal + j; |
59 | | - fontArray->nbChar = (my_bmf[j] | my_bmf[j+1]<<8); |
60 | | - fontArray->charDef = (GRRLIB_bytemapChar *)calloc(fontArray->nbChar, sizeof(GRRLIB_bytemapChar)); |
61 | | - j++; |
62 | | - for (i=0; i < fontArray->nbChar; i++) { |
63 | | - fontArray->charDef[i].character = my_bmf[++j]; |
64 | | - fontArray->charDef[i].width = my_bmf[++j]; |
65 | | - fontArray->charDef[i].height = my_bmf[++j]; |
66 | | - fontArray->charDef[i].relx = my_bmf[++j]; |
67 | | - fontArray->charDef[i].rely = my_bmf[++j]; |
68 | | - fontArray->charDef[i].kerning = my_bmf[++j]; |
69 | | - nbPixels = fontArray->charDef[i].width * fontArray->charDef[i].height; |
70 | | - fontArray->charDef[i].data = (u8 *)malloc(nbPixels); |
71 | | - if (nbPixels && fontArray->charDef[i].data) { |
72 | | - memcpy(fontArray->charDef[i].data, &my_bmf[++j], nbPixels); |
73 | | - j += (nbPixels - 1); |
74 | | - } |
75 | | - } |
76 | | - } |
77 | | - return fontArray; |
78 | | -} |
79 | | - |
80 | | -/** |
81 | | - * Free memory allocated by ByteMap fonts. |
82 | | - * @param bmf A GRRLIB_bytemapFont structure. |
83 | | - */ |
84 | | -void GRRLIB_FreeBMF (const GRRLIB_bytemapFont *bmf) { |
85 | | - unsigned int i; |
86 | | - |
87 | | - for (i=0; i<bmf->nbChar; i++) { |
88 | | - free(bmf->charDef[i].data); |
89 | | - } |
90 | | - free(bmf->charDef); |
91 | | - free(bmf->palette); |
92 | | - free(bmf->name); |
93 | | -} |
94 | | - |
95 | | -/** |
96 | | - * Initialize a tile set. |
97 | | - * @param tex The texture to initialize. |
98 | | - * @param tilew Width of the tile. |
99 | | - * @param tileh Height of the tile. |
100 | | - * @param tilestart Offset for starting position (Used in fonts). |
101 | | - */ |
102 | | -void GRRLIB_InitTileSet (GRRLIB_texImg *tex, |
103 | | - const uint tilew, const uint tileh, |
104 | | - const uint tilestart) { |
105 | | - tex->tilew = tilew; |
106 | | - tex->tileh = tileh; |
107 | | - if (tilew) // Avoid division by zero |
108 | | - tex->nbtilew = tex->w / tilew; |
109 | | - if (tileh) // Avoid division by zero |
110 | | - tex->nbtileh = tex->h / tileh; |
111 | | - tex->tilestart = tilestart; |
112 | | - tex->tiledtex = true; |
113 | | - GRRLIB_SetHandle( tex, 0, 0 ); |
114 | | -} |
| 1 | +/*------------------------------------------------------------------------------ |
| 2 | +Copyright (c) 2009 The GRRLIB Team |
| 3 | +
|
| 4 | +Permission is hereby granted, free of charge, to any person obtaining a copy |
| 5 | +of this software and associated documentation files (the "Software"), to deal |
| 6 | +in the Software without restriction, including without limitation the rights |
| 7 | +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 8 | +copies of the Software, and to permit persons to whom the Software is |
| 9 | +furnished to do so, subject to the following conditions: |
| 10 | +
|
| 11 | +The above copyright notice and this permission notice shall be included in |
| 12 | +all copies or substantial portions of the Software. |
| 13 | +
|
| 14 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 17 | +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 18 | +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 19 | +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN |
| 20 | +THE SOFTWARE. |
| 21 | +------------------------------------------------------------------------------*/ |
| 22 | + |
| 23 | +#include <malloc.h> |
| 24 | +#include <string.h> |
| 25 | + |
| 26 | +#include "grrlib.h" |
| 27 | + |
| 28 | +/** |
| 29 | + * Load a ByteMap font structure from a buffer. |
| 30 | + * @param my_bmf The ByteMap font buffer to load. |
| 31 | + * @return A GRRLIB_bytemapFont structure filled with BMF informations. |
| 32 | + * @see GRRLIB_FreeBMF |
| 33 | + */ |
| 34 | +GRRLIB_bytemapFont* GRRLIB_LoadBMF (const u8 my_bmf[] ) { |
| 35 | + GRRLIB_bytemapFont *fontArray = (struct GRRLIB_bytemapFont *)malloc(sizeof(GRRLIB_bytemapFont)); |
| 36 | + int i, j = 1; |
| 37 | + u8 lineheight, usedcolors, highestcolor, nbPalette; |
| 38 | + short int sizeover, sizeunder, sizeinner, numcolpal; |
| 39 | + u16 nbPixels; |
| 40 | + |
| 41 | + if (fontArray != NULL && my_bmf[0]==0xE1 && my_bmf[1]==0xE6 && my_bmf[2]==0xD5 && my_bmf[3]==0x1A) { |
| 42 | + fontArray->version = my_bmf[4]; |
| 43 | + lineheight = my_bmf[5]; |
| 44 | + sizeover = my_bmf[6]; |
| 45 | + sizeunder = my_bmf[7]; |
| 46 | + fontArray->tracking = my_bmf[8]; |
| 47 | + sizeinner = my_bmf[9]; |
| 48 | + usedcolors = my_bmf[10]; |
| 49 | + highestcolor = my_bmf[11]; |
| 50 | + nbPalette = my_bmf[16]; |
| 51 | + numcolpal = 3 * nbPalette; |
| 52 | + fontArray->palette = (u32 *)calloc(nbPalette + 1, sizeof(u32)); |
| 53 | + for (i=0; i < numcolpal; i+=3) { |
| 54 | + fontArray->palette[j++] = ((((my_bmf[i+17]<<2)+3)<<24) | (((my_bmf[i+18]<<2)+3)<<16) | (((my_bmf[i+19]<<2)+3)<<8) | 0xFF); |
| 55 | + } |
| 56 | + j = my_bmf[17 + numcolpal]; |
| 57 | + fontArray->name = (char *)calloc(j + 1, sizeof(char)); |
| 58 | + memcpy(fontArray->name, &my_bmf[18 + numcolpal], j); |
| 59 | + j = 18 + numcolpal + j; |
| 60 | + fontArray->nbChar = (my_bmf[j] | my_bmf[j+1]<<8); |
| 61 | + fontArray->charDef = (GRRLIB_bytemapChar *)calloc(fontArray->nbChar, sizeof(GRRLIB_bytemapChar)); |
| 62 | + j++; |
| 63 | + for (i=0; i < fontArray->nbChar; i++) { |
| 64 | + fontArray->charDef[i].character = my_bmf[++j]; |
| 65 | + fontArray->charDef[i].width = my_bmf[++j]; |
| 66 | + fontArray->charDef[i].height = my_bmf[++j]; |
| 67 | + fontArray->charDef[i].relx = my_bmf[++j]; |
| 68 | + fontArray->charDef[i].rely = my_bmf[++j]; |
| 69 | + fontArray->charDef[i].kerning = my_bmf[++j]; |
| 70 | + nbPixels = fontArray->charDef[i].width * fontArray->charDef[i].height; |
| 71 | + fontArray->charDef[i].data = (u8 *)malloc(nbPixels); |
| 72 | + if (nbPixels && fontArray->charDef[i].data) { |
| 73 | + memcpy(fontArray->charDef[i].data, &my_bmf[++j], nbPixels); |
| 74 | + j += (nbPixels - 1); |
| 75 | + } |
| 76 | + } |
| 77 | + } |
| 78 | + return fontArray; |
| 79 | +} |
| 80 | + |
| 81 | +/** |
| 82 | + * Free memory allocated by ByteMap fonts. |
| 83 | + * @param bmf A GRRLIB_bytemapFont structure. |
| 84 | + */ |
| 85 | +void GRRLIB_FreeBMF (const GRRLIB_bytemapFont *bmf) { |
| 86 | + unsigned int i; |
| 87 | + |
| 88 | + for (i=0; i<bmf->nbChar; i++) { |
| 89 | + free(bmf->charDef[i].data); |
| 90 | + } |
| 91 | + free(bmf->charDef); |
| 92 | + free(bmf->palette); |
| 93 | + free(bmf->name); |
| 94 | +} |
| 95 | + |
| 96 | +/** |
| 97 | + * Initialize a tile set. |
| 98 | + * @param tex The texture to initialize. |
| 99 | + * @param tilew Width of the tile. |
| 100 | + * @param tileh Height of the tile. |
| 101 | + * @param tilestart Offset for starting position (Used in fonts). |
| 102 | + */ |
| 103 | +void GRRLIB_InitTileSet (GRRLIB_texImg *tex, |
| 104 | + const uint tilew, const uint tileh, |
| 105 | + const uint tilestart) { |
| 106 | + tex->tilew = tilew; |
| 107 | + tex->tileh = tileh; |
| 108 | + if (tilew) // Avoid division by zero |
| 109 | + tex->nbtilew = tex->w / tilew; |
| 110 | + if (tileh) // Avoid division by zero |
| 111 | + tex->nbtileh = tex->h / tileh; |
| 112 | + tex->tilestart = tilestart; |
| 113 | + tex->tiledtex = true; |
| 114 | + GRRLIB_SetHandle( tex, 0, 0 ); |
| 115 | +} |
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