From bcb704366cb5e333a626c18c308c7e0448a8e69f Mon Sep 17 00:00:00 2001
From: toma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>
Date: Wed, 25 Nov 2009 17:56:58 +0000
Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
 BUG:215923

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdenetwork@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
---
 krfb/libvncserver/draw.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 61 insertions(+)
 create mode 100644 krfb/libvncserver/draw.c

(limited to 'krfb/libvncserver/draw.c')

diff --git a/krfb/libvncserver/draw.c b/krfb/libvncserver/draw.c
new file mode 100644
index 00000000..24c41bd4
--- /dev/null
+++ b/krfb/libvncserver/draw.c
@@ -0,0 +1,61 @@
+#include "rfb.h"
+
+void rfbFillRect(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2,Pixel col)
+{
+  int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3;
+  int i,j;
+  char* colour=(char*)&col;
+
+   if(!rfbEndianTest)
+    colour += 4-bpp;
+  for(j=y1;j<y2;j++)
+    for(i=x1;i<x2;i++)
+      memcpy(s->frameBuffer+j*rowstride+i*bpp,colour,bpp);
+  rfbMarkRectAsModified(s,x1,y1,x2,y2);
+}
+
+#define SETPIXEL(x,y) \
+  memcpy(s->frameBuffer+(y)*rowstride+(x)*bpp,colour,bpp)
+
+void rfbDrawPixel(rfbScreenInfoPtr s,int x,int y,Pixel col)
+{
+  int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3;
+  char* colour=(char*)&col;
+
+  if(!rfbEndianTest)
+    colour += 4-bpp;
+  SETPIXEL(x,y);
+  rfbMarkRectAsModified(s,x,y,x+1,y+1);
+}
+
+void rfbDrawLine(rfbScreenInfoPtr s,int x1,int y1,int x2,int y2,Pixel col)
+{
+  int rowstride = s->paddedWidthInBytes, bpp = s->bitsPerPixel>>3;
+  int i;
+  char* colour=(char*)&col;
+
+  if(!rfbEndianTest)
+    colour += 4-bpp;
+
+#define SWAPPOINTS { i=x1; x1=x2; x2=i; i=y1; y1=y2; y2=i; }
+  if(abs(x1-x2)<abs(y1-y2)) {
+    if(y1>y2)
+      SWAPPOINTS
+    for(i=y1;i<=y2;i++)
+      SETPIXEL(x1+(i-y1)*(x2-x1)/(y2-y1),i);
+    /* TODO: Maybe make this more intelligently? */
+    if(x2<x1) { i=x1; x1=x2; x2=i; }
+    rfbMarkRectAsModified(s,x1,y1,x2+1,y2+1);
+  } else {
+    if(x1>x2)
+      SWAPPOINTS
+    else if(x1==x2) {
+      rfbDrawPixel(s,x1,y1,col);
+      return;
+    }
+    for(i=x1;i<=x2;i++)
+      SETPIXEL(i,y1+(i-x1)*(y2-y1)/(x2-x1));
+    if(y2<y1) { i=y1; y1=y2; y2=i; }
+    rfbMarkRectAsModified(s,x1,y1,x2+1,y2+1);
+  }
+}
-- 
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