diff options
Diffstat (limited to 'gst/smpte/paint.c')
| -rw-r--r-- | gst/smpte/paint.c | 124 |
1 files changed, 62 insertions, 62 deletions
diff --git a/gst/smpte/paint.c b/gst/smpte/paint.c index f4f64829..369e36f0 100644 --- a/gst/smpte/paint.c +++ b/gst/smpte/paint.c @@ -75,75 +75,75 @@ gst_smpte_paint_hbox (guint32 * dest, gint stride, } } -#define STEP_3D_LINE(dxabs,dyabs,dzabs,sdx,sdy,sdz,xr,yr,zr,px,py,pz) \ -G_STMT_START { \ - if (dxabs >= dyabs && dxabs >= dzabs) { \ - yr += dyabs; \ - zr += dzabs; \ - if (yr >= dxabs) { \ - py += sdy; \ - yr -= dxabs; \ - } \ - if (zr >= dzabs) { \ - pz += sdz; \ - zr -= dxabs; \ - } \ - px += sdx; \ - } else if (dyabs >= dxabs && dyabs >= dzabs) { \ - xr += dxabs; \ - zr += dzabs; \ - if (xr >= dyabs) { \ - px += sdx; \ - xr -= dyabs; \ - } \ - if (zr >= dzabs) { \ - pz += sdz; \ - zr -= dyabs; \ - } \ - py += sdy; \ - } else { \ - yr += dyabs; \ - xr += dxabs; \ - if (yr >= dyabs) { \ - py += sdy; \ - yr -= dzabs; \ - } \ - if (xr >= dyabs) { \ - px += sdx; \ - xr -= dzabs; \ - } \ - pz += sdz; \ - } \ +#define STEP_3D_LINE(dxabs,dyabs,dzabs,sdx,sdy,sdz,xr,yr,zr,px,py,pz) \ +G_STMT_START { \ + if (dxabs >= dyabs && dxabs >= dzabs) { \ + yr += dyabs; \ + zr += dzabs; \ + if (yr >= dxabs) { \ + py += sdy; \ + yr -= dxabs; \ + } \ + if (zr >= dzabs) { \ + pz += sdz; \ + zr -= dxabs; \ + } \ + px += sdx; \ + } else if (dyabs >= dxabs && dyabs >= dzabs) { \ + xr += dxabs; \ + zr += dzabs; \ + if (xr >= dyabs) { \ + px += sdx; \ + xr -= dyabs; \ + } \ + if (zr >= dzabs) { \ + pz += sdz; \ + zr -= dyabs; \ + } \ + py += sdy; \ + } else { \ + yr += dyabs; \ + xr += dxabs; \ + if (yr >= dyabs) { \ + py += sdy; \ + yr -= dzabs; \ + } \ + if (xr >= dyabs) { \ + px += sdx; \ + xr -= dzabs; \ + } \ + pz += sdz; \ + } \ } G_STMT_END -#define SWAP_INT(a,b) \ -G_STMT_START { \ - gint tmp; \ - tmp = (a); \ - (a) = (b); \ - (b) = (tmp); \ +#define SWAP_INT(a,b) \ +G_STMT_START { \ + gint tmp; \ + tmp = (a); \ + (a) = (b); \ + (b) = (tmp); \ } G_STMT_END #define SIGN(a) ((a) < 0 ? -1 : 1) #define PREPARE_3D_LINE(x0,y0,z0,x1,y1,z1,dxabs,dyabs,dzabs,sdx,sdy,sdz,xr,yr,zr,px,py,pz)\ -G_STMT_START { \ - gint dx, dy, dz; \ - dx = x1 - x0; \ - dy = y1 - y0; \ - dz = z1 - z0; \ - dxabs = abs (dx); \ - dyabs = abs (dy); \ - dzabs = abs (dz); \ - sdx = SIGN (dx); \ - sdy = SIGN (dy); \ - sdz = SIGN (dz); \ - xr = dxabs >> 1; \ - yr = dyabs >> 1; \ - zr = dzabs >> 1; \ - px = x0; \ - py = y0; \ - pz = z0; \ +G_STMT_START { \ + gint dx, dy, dz; \ + dx = x1 - x0; \ + dy = y1 - y0; \ + dz = z1 - z0; \ + dxabs = abs (dx); \ + dyabs = abs (dy); \ + dzabs = abs (dz); \ + sdx = SIGN (dx); \ + sdy = SIGN (dy); \ + sdz = SIGN (dz); \ + xr = dxabs >> 1; \ + yr = dyabs >> 1; \ + zr = dzabs >> 1; \ + px = x0; \ + py = y0; \ + pz = z0; \ } G_STMT_END void |