1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/src/fontdraw.h	Fri Mar 13 00:39:12 2009 -0700
     1.3 @@ -0,0 +1,127 @@
     1.4 +/*
     1.5 +Variable width font drawing library for DS (and GBA)
     1.6 +
     1.7 +Copyright 2007 Damian Yerrick <pinoandchester@pineight.com>
     1.8 +
     1.9 +This work is provided 'as-is', without any express or implied
    1.10 +warranty.  In no event will the authors be held liable for any
    1.11 +damages arising from the use of this work.
    1.12 +
    1.13 +Permission is granted to anyone to use this work for any purpose,
    1.14 +including commercial applications, and to alter it and redistribute
    1.15 +it freely, subject to the following restrictions:
    1.16 +
    1.17 +1. The origin of this work must not be misrepresented; you must
    1.18 +   not claim that you wrote the original work. If you use
    1.19 +   this work in a product, an acknowledgment in the product
    1.20 +   documentation would be appreciated but is not required.
    1.21 +2. Altered source versions must be plainly marked as such, and must
    1.22 +   not be misrepresented as being the original work.
    1.23 +3. This notice may not be removed or altered from any source
    1.24 +   distribution.
    1.25 +
    1.26 +"Source" is the preferred form of a work for making changes to it.
    1.27 +
    1.28 +*/
    1.29 +
    1.30 +#ifndef FONTDRAW_H
    1.31 +#define FONTDRAW_H
    1.32 +#include <sys/types.h>
    1.33 +
    1.34 +#ifdef ARM9
    1.35 +// DS specific macros
    1.36 +#include <nds.h>
    1.37 +#ifndef BG_OFFSET_SUB
    1.38 +#define BG_OFFSET_SUB ((bg_scroll *)(0x04001010))
    1.39 +#endif
    1.40 +
    1.41 +// macros from libgba that didn't make it to libnds
    1.42 +#ifndef MAP
    1.43 +typedef u16 NAMETABLE[32][32];
    1.44 +#define MAP ((NAMETABLE *)BG_MAP_RAM(0))
    1.45 +#define MAP_SUB ((NAMETABLE *)BG_MAP_RAM_SUB(0))
    1.46 +#endif
    1.47 +
    1.48 +#else
    1.49 +// GBA specific macros
    1.50 +#include <gba_video.h>
    1.51 +
    1.52 +#endif
    1.53 +
    1.54 +unsigned int fontdraw_charWidth(int glyph);
    1.55 +unsigned int fontdraw_strWidth(const char *s);
    1.56 +
    1.57 +/**
    1.58 + * Returns the number of characters in s that fit within targetWidth pixels.
    1.59 + */
    1.60 +size_t fontdraw_cutStr(const char *s, int targetWidth);
    1.61 +
    1.62 +void fontdraw_setupVRAM(int sub);
    1.63 +
    1.64 +// New API
    1.65 +
    1.66 +typedef struct VWFWindow {
    1.67 +  u8 left;    // in 8 pixel units on nametable
    1.68 +  u8 top;     // in 8 pixel units on nametable
    1.69 +  u8 width;   // in 8 pixel units on nametable
    1.70 +  u8 height;  // in 8 pixel units on nametable
    1.71 +  u32 *chrBase;
    1.72 +  u8 map;  // in 2 KiB units on VRAM
    1.73 +  u8 core;    // 0: main; 1: sub
    1.74 +  u16 mapTileBase;
    1.75 +} VWFWindow;
    1.76 +
    1.77 +void vwfWinInit(const VWFWindow *vwf);
    1.78 +void vwfWinClear(const VWFWindow *vwf);
    1.79 +/**
    1.80 + * Sets up a portion of a window.
    1.81 + * @param vwf the window
    1.82 + * @param l distance in tiles from the left side of the window to the
    1.83 + * left side of the area to be updated
    1.84 + * @param t distance in tiles from the top of the window to the
    1.85 + * top of the area to be updated
    1.86 + * @param r distance in tiles from the left side of the window to the
    1.87 + * right side of the area to be updated
    1.88 + * @param b distance in tiles from the top of the window to the
    1.89 + * bottom of the area to be updated
    1.90 + * @param orMask the data to be OR'd with each map space, typically
    1.91 + * containing a palette number in bits 12 to 15
    1.92 + */
    1.93 +void vwfPutMap(const VWFWindow *vwf,
    1.94 +               int l, int t, int r, int b,
    1.95 +               unsigned int orMask);
    1.96 +
    1.97 +unsigned int vwfPutc(const VWFWindow *w,
    1.98 +             int c,
    1.99 +             int x, int y);
   1.100 +unsigned int vwfPuts(const VWFWindow *src,
   1.101 +                     const char *str,
   1.102 +                     int x, int y);
   1.103 +void vwfRectfill(const VWFWindow *v,
   1.104 +                 int l, int t, int r, int b,
   1.105 +                 int c);
   1.106 +void vwfHline(const VWFWindow *v, int l, int t, int r, int c);
   1.107 +void vwfVline(const VWFWindow *v, int l, int t, int b, int c);
   1.108 +void vwfRect(const VWFWindow *v, int l, int t, int r, int b, int c);
   1.109 +
   1.110 +/**
   1.111 + * Replaces a rectangle of pixels in dst with pixels from src.
   1.112 + * @param src the bitmap to copy from
   1.113 + * @param dst the bitmap to copy to
   1.114 + * @param srcX the left side of the part of src to copy,
   1.115 + * in 8-pixel units
   1.116 + * @param srcY the top of the part of src to copy,
   1.117 + * in pixels
   1.118 + * @param dstX the left side of the part of dst to be replaced,
   1.119 + * in 8-pixel units
   1.120 + * @param dstY the top of the part of src dst to be replaced,
   1.121 + * in pixels
   1.122 + */
   1.123 +void vwfBlitAligned(const VWFWindow *src, const VWFWindow *dst,
   1.124 +                    int srcX, int srcY, int dstX, int dstY,
   1.125 +                    int w, int h);
   1.126 +
   1.127 +extern const VWFWindow vwfTop, vwfTouch;
   1.128 +
   1.129 +
   1.130 +#endif