draw.c

   1 /* See LICENSE file for copyright and license details. */
   2 #include <stdlib.h>
   3 #include <X11/Xlib.h>
   4
   5 #include "draw.h"
   6
   7 Draw *
   8 draw_create(Display *dpy, Window win, unsigned int w, unsigned int h) {
   9         Draw *draw = (Draw *)calloc(1, sizeof(Draw));
  10         draw->w = w;
  11         draw->h = h;
  12         /* TODO: drawable creation */
  13         /* TODO: gc allocation */
  14         return draw;
  15 }
  16
  17 void
  18 draw_resize(Draw *draw, unsigned int w, unsigned int h) {
  19         if(!draw)
  20                 return;
  21         draw->w = w;
  22         draw->h = h;
  23         /* TODO: resize drawable */
  24 }
  25
  26 void
  27 draw_free(Draw *draw) {
  28         /* TODO: deallocate DDCs */
  29         /* TODO: deallocate drawable */
  30         free(draw);
  31 }
  32
  33 DDC *
  34 dc_create(Draw *draw) {
  35         DDC *dc = (DDC *)calloc(1, sizeof(DDC));
  36         dc->draw = draw;
  37         dc->next = draw->dc;
  38         draw->dc = dc;
  39         return dc;
  40 }
  41
  42 void
  43 dc_free(DDC *dc) {
  44         DDC **tdc;
  45
  46         if(!dc)
  47                 return;
  48         /* remove from dc list */
  49         for(tdc = &dc->draw->dc; *tdc && *tdc != dc; tdc = &(*tdc)->next);
  50         *tdc = dc->next;
  51         /* TODO: deallocate any resources of this dc, if needed */
  52         free(dc);
  53 }
  54
  55 Fnt *
  56 font_create(const char *fontname) {
  57         Fnt *font = (Fnt *)calloc(1, sizeof(Fnt));
  58         /* TODO: allocate actual font */
  59         return font;
  60 }
  61
  62 void
  63 font_free(Fnt *font) {
  64         if(!font)
  65                 return;
  66         /* TODO: deallocate any font resources */
  67         free(font);
  68 }
  69
  70 Col *
  71 col_create(const char *colname) {
  72         Col *col = (Col *)calloc(1, sizeof(Col));
  73         /* TODO: allocate color */
  74         return col;
  75 }
  76
  77 void
  78 col_free(Col *col) {
  79         if(!col)
  80                 return;
  81         /* TODO: deallocate any color resource */
  82         free(col);
  83 }
  84
  85 void
  86 dc_setfont(DDC *dc, Fnt *font) {
  87         if(!dc || !font)
  88                 return;
  89         dc->font = font;
  90 }
  91
  92 void
  93 dc_setfg(DDC *dc, Col *col) {
  94         if(!dc || !col)
  95                 return;
  96         dc->fg = col;
  97 }
  98
  99 void
 100 dc_setbg(DDC *dc, Col *col) {
 101         if(!dc || !col)
 102                 return;
 103         dc->bg = col;
 104 }
 105
 106 void
 107 dc_setfill(DDC *dc, Bool fill) {
 108         if(!dc)
 109                 return;
 110         dc->fill = fill;
 111 }
 112
 113 void
 114 dc_drawrect(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
 115         if(!dc)
 116                 return;
 117         /* TODO: draw the rectangle */
 118 }
 119
 120 void
 121 dc_drawtext(DDC *dc, int x, int y, const char *text) {
 122         if(!dc)
 123                 return;
 124         /* TODO: draw the text */
 125 }
 126
 127 void
 128 dc_map(DDC *dc, int x, int y, unsigned int w, unsigned int h) {
 129         if(!dc)
 130                 return;
 131         /* TODO: map the dc contents in the region */
 132 }
 133
 134 void
 135 dc_getextents(DDC *dc, const char *text, TextExtents *extents) {
 136         if(!dc || !extents)
 137                 return;
 138         /* TODO: get extents */
 139 }