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annotate dmtext.h @ 105:d5d27f262227

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Beging merging of dmsimple2-fork into the main "engine".
author Matti Hamalainen <ccr@tnsp.org>
date Wed, 03 Oct 2012 09:16:26 +0300
parents f16d102dbbac
children 67d2cba58a87
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1 /*
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2 * DMLib
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3 * -- Bitmap font support
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4 * Programmed and designed by Matti 'ccr' Hamalainen
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5 * (C) Copyright 2012 Tecnic Software productions (TNSP)
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6 */
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7 #ifndef DMFONT_H
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8 #define DMFONT_H
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9
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10 #include "dmlib.h"
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11 #include "dmres.h"
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12
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13 #ifdef DM_GFX_TTF_TEXT
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14 #include <SDL_ttf.h>
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15 #endif
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16
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17 #ifdef __cplusplus
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18 extern "C" {
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19 #endif
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20
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21 /* Bitmapped fonts and text
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22 */
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23 #ifdef DM_GFX_BM_TEXT
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25 // DMFONT format constants
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26 #define DMFONT_MAGIC "DMFONT"
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27 #define DMFONT_VERSION 0x0100
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29 #define DMFONT_MIN_WIDTH 3
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30 #define DMFONT_MIN_HEIGHT 3
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31 #define DMFONT_MAX_WIDTH 128
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32 #define DMFONT_MAX_HEIGHT 128
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33 #define DMFONT_MAX_GLYPHS 1024
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35 #define DMFONT_NPALETTE 256
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36
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37 // Legacy TSFONT loading support
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38 #define TSFONT_MAGIC "TSFONT"
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39 #define TSFONT_VERSION 0x0205
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41
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42 typedef struct
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43 {
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44 int width, height; // Dimensions
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45 int nglyphs; // Size of glyphs array
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46 SDL_Surface **glyphs; // NOTE! Not all glyphs may be allocated
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47 } DMBitmapFont;
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49
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50 DMBitmapFont *dmNewBitmapFont(int nglyphs, int width, int height);
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51 int dmFreeBitmapFont(DMBitmapFont *font);
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52 int dmLoadBitmapFont(DMResource *res, DMBitmapFont **pfont);
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53 int dmSaveBitmapFont(DMResource *res, DMBitmapFont *font);
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54 int dmCreateBitmapFontFromImage(SDL_Surface *image, int width, int height, DMBitmapFont **pfont);
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55 int dmSetBitmapFontPalette(DMBitmapFont *font, SDL_Color *pal, int start, int size);
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57 void dmDrawBMTextConst(SDL_Surface *screen, DMBitmapFont *font, int mode, int xc, int yc, const char *str);
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58 void dmDrawBMTextVA(SDL_Surface *screen, DMBitmapFont *font, int mode, int xc, int yc, const char *fmt, va_list ap);
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59 void dmDrawBMText(SDL_Surface *screen, DMBitmapFont *font, int mode, int xc, int yc, const char *fmt, ...);
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62 static inline SDL_Surface *dmGetBMGlyph(DMBitmapFont *font, int ch)
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63 {
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64 if (ch < 0 || ch >= font->nglyphs || ch == '\n' || ch == '\r')
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65 ch = 32;
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66
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67 return font->glyphs[ch];
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68 }
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69 #endif
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72 /* TTF text drawing
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73 */
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74 #ifdef DM_GFX_TTF_TEXT
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75 void dmDrawTTFTextConst(SDL_Surface *screen, TTF_Font *font, SDL_Color col, int x, int y, const char *fmt);
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76 void dmDrawTTFTextVA(SDL_Surface *screen, TTF_Font *font, SDL_Color col, int x, int y, const char *fmt, va_list ap);
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77 void dmDrawTTFText(SDL_Surface *screen, TTF_Font *font, SDL_Color col, int x, int y, const char *fmt, ...);
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78 #endif
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81 #ifdef __cplusplus
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82 }
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83 #endif
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85 #endif // DMFONT_H