render2/planar.c

   1 #include "planar.h"
   2 #include "surface.h"
   3 #include "color.h"
   4 #include "debug.h"
   5 #include <GL/glx.h>
   6
   7 void RrPlanarSet(struct RrSurface *sur,
   8                  enum RrSurfaceColorType type,
   9                  struct RrColor *primary,
  10                  struct RrColor *secondary)
  11 {
  12     sur->data.planar.colortype = type;
  13     sur->data.planar.primary = *primary;
  14     sur->data.planar.secondary = *secondary;
  15 }
  16
  17 static void copy_parent(struct RrSurface *sur)
  18 {
  19     int ncols;
  20     int copy;
  21
  22     switch (RrPlanarColorType(sur)) {
  23     case RR_PLANAR_NONE:
  24         return;
  25     case RR_PLANAR_SOLID:
  26         ncols = 1;
  27         break;
  28     case RR_PLANAR_HORIZONTAL:
  29         ncols = 2;
  30         break;
  31     case RR_PLANAR_VERTICAL:
  32         ncols = 2;
  33         break;
  34     case RR_PLANAR_DIAGONAL:
  35         ncols = 2;
  36         break;
  37     case RR_PLANAR_CROSSDIAGONAL:
  38         ncols = 2;
  39         break;
  40     case RR_PLANAR_PYRAMID:
  41         ncols = 2;
  42         break;
  43     case RR_PLANAR_PIPECROSS:
  44         ncols = 2;
  45         break;
  46     case RR_PLANAR_RECTANGLE:
  47         ncols = 2;
  48         break;
  49     }
  50
  51     copy = 0;
  52     if (ncols >= 1 && RrColorHasAlpha(RrPlanarPrimaryColor(sur)))
  53         copy = 1;
  54     if (ncols >= 1 && RrColorHasAlpha(RrPlanarSecondaryColor(sur)))
  55         copy = 1;
  56     if (copy) {
  57         /*
  58         struct RrSurface *parent = RrSurfaceParent(sur);
  59
  60         XXX COPY PARENT PLS
  61         */
  62         RrDebug("copy parent here pls\n");
  63     }
  64 }
  65
  66 void RrPlanarPaint(struct RrSurface *sur, int absx, int absy)
  67 {
  68     struct RrColor *pri, *sec, avg;
  69     int x, y, w, h;
  70
  71     copy_parent(sur);
  72
  73     pri = &RrPlanarPrimaryColor(sur);
  74     sec = &RrPlanarSecondaryColor(sur);
  75
  76     x = RrSurfaceX(sur);
  77     y = RrSurfaceY(sur);
  78     w = RrSurfaceWidth(sur);
  79     h = RrSurfaceHeight(sur);
  80
  81     switch (RrPlanarColorType(sur)) {
  82     case RR_PLANAR_NONE:
  83         return;
  84     case RR_PLANAR_SOLID:
  85         glBegin(GL_TRIANGLES);
  86         RrColor3f(pri);
  87         glVertex2i(x, y);
  88         glVertex2i(x+w, y);
  89         glVertex2i(x+w, y+h);
  90
  91         glVertex2i(x+w, y+h);
  92         glVertex2i(x, y+h);
  93         glVertex2i(x, y);
  94         glEnd();
  95         break;
  96     case RR_PLANAR_HORIZONTAL:
  97         glBegin(GL_TRIANGLES);
  98         RrColor3f(pri);
  99         glVertex2i(x, y);
 100         RrColor3f(sec);
 101         glVertex2i(x+w, y);
 102         glVertex2i(x+w, y+h);
 103
 104         glVertex2i(x+w, y+h);
 105         RrColor3f(pri);
 106         glVertex2i(x, y+h);
 107         glVertex2i(x, y);
 108         glEnd();
 109         break;
 110     case RR_PLANAR_VERTICAL:
 111         glBegin(GL_TRIANGLES);
 112         RrColor3f(pri);
 113         glVertex2i(x, y);
 114         glVertex2i(x+w, y);
 115         RrColor3f(sec);
 116         glVertex2i(x+w, y+h);
 117
 118         glVertex2i(x+w, y+h);
 119         glVertex2i(x, y+h);
 120         RrColor3f(pri);
 121         glVertex2i(x, y);
 122         glEnd();
 123         break;
 124     case RR_PLANAR_DIAGONAL:
 125         RrColorAvg(&avg, pri, sec);
 126         glBegin(GL_TRIANGLES);
 127         RrColor3f(&avg);
 128         glVertex2i(x, y);
 129         RrColor3f(pri);
 130         glVertex2i(x+w, y);
 131         RrColor3f(&avg);
 132         glVertex2i(x+w, y+h);
 133
 134         RrColor3f(&avg);
 135         glVertex2i(x+w, y+h);
 136         RrColor3f(sec);
 137         glVertex2i(x, y+h);
 138         RrColor3f(&avg);
 139         glVertex2i(x, y);
 140         glEnd();
 141         break;
 142     case RR_PLANAR_CROSSDIAGONAL:
 143         RrColorAvg(&avg, pri, sec);
 144         glBegin(GL_TRIANGLES);
 145         RrColor3f(pri);
 146         glVertex2i(x, y);
 147         RrColor3f(&avg);
 148         glVertex2i(x+w, y);
 149         RrColor3f(sec);
 150         glVertex2i(x+w, y+h);
 151
 152         RrColor3f(sec);
 153         glVertex2i(x+w, y+h);
 154         RrColor3f(&avg);
 155         glVertex2i(x, y+h);
 156         RrColor3f(pri);
 157         glVertex2i(x, y);
 158         glEnd();
 159         break;
 160     case RR_PLANAR_PYRAMID:
 161         RrColorAvg(&avg, pri, sec);
 162         glBegin(GL_TRIANGLES);
 163         RrColor3f(pri);
 164         glVertex2i(x, y);
 165         RrColor3f(sec);
 166         glVertex2i(x+w/2, y+h/2);
 167         RrColor3f(&avg);
 168         glVertex2i(x, y+h/2);
 169
 170         glVertex2i(x, y+h/2);
 171         RrColor3f(sec);
 172         glVertex2i(x+w/2, y+h/2);
 173         RrColor3f(pri);
 174         glVertex2i(x, y+h);
 175
 176         glVertex2i(x, y+h);
 177         RrColor3f(sec);
 178         glVertex2i(x+w/2, y+h/2);
 179         RrColor3f(&avg);
 180         glVertex2i(x+w/2, y+h);
 181
 182         glVertex2i(x+w/2, y+h);
 183         RrColor3f(sec);
 184         glVertex2i(x+w/2, y+h/2);
 185         RrColor3f(pri);
 186         glVertex2i(x+w, y+h);
 187
 188         glVertex2i(x+w, y+h);
 189         RrColor3f(sec);
 190         glVertex2i(x+w/2, y+h/2);
 191         RrColor3f(&avg);
 192         glVertex2i(x+w, y+h/2);
 193
 194         glVertex2i(x+w, y+h/2);
 195         RrColor3f(sec);
 196         glVertex2i(x+w/2, y+h/2);
 197         RrColor3f(pri);
 198         glVertex2i(x+w, y);
 199
 200         glVertex2i(x+w, y);
 201         RrColor3f(sec);
 202         glVertex2i(x+w/2, y+h/2);
 203         RrColor3f(&avg);
 204         glVertex2i(x+w/2, y);
 205
 206         glVertex2i(x+w/2, y);
 207         RrColor3f(sec);
 208         glVertex2i(x+w/2, y+h/2);
 209         RrColor3f(pri);
 210         glVertex2i(x, y);
 211         glEnd();
 212         break;
 213     case RR_PLANAR_PIPECROSS:
 214         glBegin(GL_TRIANGLES);
 215         RrColor3f(pri);
 216         glVertex2i(x, y);
 217         RrColor3f(sec);
 218         glVertex2i(x+w/2, y+h/2);
 219         glVertex2i(x, y+h/2);
 220
 221         glVertex2i(x, y+h/2);
 222         glVertex2i(x+w/2, y+h/2);
 223         RrColor3f(pri);
 224         glVertex2i(x, y+h);
 225
 226         glVertex2i(x, y+h);
 227         RrColor3f(sec);
 228         glVertex2i(x+w/2, y+h/2);
 229         glVertex2i(x+w/2, y+h);
 230
 231         glVertex2i(x+w/2, y+h);
 232         glVertex2i(x+w/2, y+h/2);
 233         RrColor3f(pri);
 234         glVertex2i(x+w, y+h);
 235
 236         glVertex2i(x+w, y+h);
 237         RrColor3f(sec);
 238         glVertex2i(x+w/2, y+h/2);
 239         glVertex2i(x+w, y+h/2);
 240
 241         glVertex2i(x+w, y+h/2);
 242         glVertex2i(x+w/2, y+h/2);
 243         RrColor3f(pri);
 244         glVertex2i(x+w, y);
 245
 246         glVertex2i(x+w, y);
 247         RrColor3f(sec);
 248         glVertex2i(x+w/2, y+h/2);
 249         glVertex2i(x+w/2, y);
 250
 251         glVertex2i(x+w/2, y);
 252         glVertex2i(x+w/2, y+h/2);
 253         RrColor3f(pri);
 254         glVertex2i(x, y);
 255         glEnd();
 256         break;
 257     case RR_PLANAR_RECTANGLE:
 258         glBegin(GL_TRIANGLES);
 259         RrColor3f(pri);
 260         glVertex2i(x, y);
 261         RrColor3f(sec);
 262         glVertex2i(x+w/2, y+h/2);
 263         RrColor3f(pri);
 264         glVertex2i(x, y+h);
 265
 266         glVertex2i(x, y+h);
 267         RrColor3f(sec);
 268         glVertex2i(x+w/2, y+h/2);
 269         RrColor3f(pri);
 270         glVertex2i(x+w, y+h);
 271
 272         glVertex2i(x+w, y+h);
 273         RrColor3f(sec);
 274         glVertex2i(x+w/2, y+h/2);
 275         RrColor3f(pri);
 276         glVertex2i(x+w, y);
 277
 278         glVertex2i(x+w, y);
 279         RrColor3f(sec);
 280         glVertex2i(x+w/2, y+h/2);
 281         RrColor3f(pri);
 282         glVertex2i(x, y);
 283
 284         glEnd();
 285         break;
 286     }
 287 }
 288
 289 void RrPlanarMinSize(struct RrSurface *sur, int *w, int *h)
 290 {
 291     *w = 0;
 292     *h = 0;
 293 }