packages/services/gfx/mw/v2_0/src/drivers/fbportrait_right.c

   1 /*
   2  * Copyright (c) 2000 Greg Haerr <greg@censoft.com>
   3  *
   4  * Portrait mode subdriver for Microwindows
   5  */
   6 #include <assert.h>
   7 #include <stdio.h>
   8 #include <stdlib.h>
   9 #include "device.h"
  10 #include "fb.h"
  11
  12 static void
  13 fbportrait_drawpixel(PSD psd,MWCOORD x, MWCOORD y, MWPIXELVAL c)
  14 {
  15         psd->orgsubdriver->DrawPixel(psd, psd->yvirtres-y-1, x, c);
  16 }
  17
  18 static MWPIXELVAL
  19 fbportrait_readpixel(PSD psd,MWCOORD x, MWCOORD y)
  20 {
  21         return psd->orgsubdriver->ReadPixel(psd, psd->yvirtres-y-1, x);
  22 }
  23
  24 static void
  25 fbportrait_drawhorzline(PSD psd,MWCOORD x1, MWCOORD x2, MWCOORD y, MWPIXELVAL c)
  26 {
  27         psd->orgsubdriver->DrawVertLine(psd, psd->yvirtres-y-1, x1,
  28                 x2, c);
  29
  30         /*
  31          * Uncomment the following if driver doesn't support hline
  32         x2 = x2;
  33         while(x2 <= (x1))
  34                 fb_drawpixel(psd, psd->yvirtres-y-1, x2++, c);
  35          */
  36 }
  37
  38 static void
  39 fbportrait_drawvertline(PSD psd,MWCOORD x, MWCOORD y1, MWCOORD y2, MWPIXELVAL c)
  40 {
  41         psd->orgsubdriver->DrawHorzLine(psd, psd->yvirtres-y2-1, psd->yvirtres-y1-1,
  42                 x, c);
  43
  44         /*
  45          * Uncomment the following if driver doesn't support vline
  46         while(y1 <= y2)
  47                 fb_drawpixel(psd, psd->yvirtres-1-(y1++), x, c);
  48          */
  49 }
  50
  51 static void
  52 fbportrait_fillrect(PSD psd,MWCOORD x1, MWCOORD y1, MWCOORD x2, MWCOORD y2,
  53         MWPIXELVAL c)
  54 {
  55         while(x2 <= x1)
  56                 psd->orgsubdriver->DrawHorzLine(psd, psd->yvirtres-y2-1,
  57                         psd->yvirtres-y1-1, x2++, c);
  58 }
  59
  60 static void
  61 fbportrait_blit(PSD dstpsd,MWCOORD destx,MWCOORD desty,MWCOORD w,MWCOORD h,
  62         PSD srcpsd, MWCOORD srcx,MWCOORD srcy,long op)
  63 {
  64         dstpsd->orgsubdriver->Blit(dstpsd, dstpsd->yvirtres-desty-h, destx,
  65                 h, w, srcpsd, srcpsd->yvirtres-srcy-h, srcx, op);
  66 }
  67
  68 static void
  69 fbportrait_stretchblit(PSD dstpsd, MWCOORD destx, MWCOORD desty, MWCOORD dstw,
  70         MWCOORD dsth, PSD srcpsd, MWCOORD srcx, MWCOORD srcy, MWCOORD srcw,
  71         MWCOORD srch, long op)
  72 {
  73         //dstpsd->orgsubdriver->StretchBlit(dstpsd, dstpsd->yvirtres-desty-dsth, destx,
  74                 //dsth, dstw, srcpsd, srcpsd->yvirtres-srcy-srch, srcx,
  75                 //srch, srcw, op);
  76 }
  77
  78 SUBDRIVER fbportrait_right = {
  79         NULL,
  80         fbportrait_drawpixel,
  81         fbportrait_readpixel,
  82         fbportrait_drawhorzline,
  83         fbportrait_drawvertline,
  84         gen_fillrect,
  85         fbportrait_blit,
  86         NULL,
  87         fbportrait_stretchblit
  88 };