update for HEAD-2003050101

[reactos.git] / subsys / win32k / dib / dib32bpp.c

diff --git a/subsys/win32k/dib/dib32bpp.c b/subsys/win32k/dib/dib32bpp.c
new file mode 100644 (file)
index 0000000..38a479a
--- /dev/null
+++ b/subsys/win32k/dib/dib32bpp.c
@@ -0,0 +1,203 @@
+#undef WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <stdlib.h>
+#include <win32k/bitmaps.h>
+#include <win32k/debug.h>
+#include <debug.h>
+#include <ddk/winddi.h>
+#include "../eng/objects.h"
+#include "dib.h"
+
+VOID DIB_32BPP_PutPixel(PSURFOBJ SurfObj, LONG x, LONG y, ULONG c)
+{
+  PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
+  PDWORD addr = (PDWORD)byteaddr + x;
+
+  *addr = c;
+}
+
+ULONG DIB_32BPP_GetPixel(PSURFOBJ SurfObj, LONG x, LONG y)
+{
+  PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
+  PDWORD addr = (PDWORD)byteaddr + x;
+
+  return (ULONG)(*addr);
+}
+
+VOID DIB_32BPP_HLine(PSURFOBJ SurfObj, LONG x1, LONG x2, LONG y, ULONG c)
+{
+  PBYTE byteaddr = SurfObj->pvScan0 + y * SurfObj->lDelta;
+  PDWORD addr = (PDWORD)byteaddr + x1;
+  LONG cx = x1;
+
+  while(cx < x2) {
+    *addr = (DWORD)c;
+    ++addr;
+    ++cx;
+  }
+}
+
+VOID DIB_32BPP_VLine(PSURFOBJ SurfObj, LONG x, LONG y1, LONG y2, ULONG c)
+{
+  PBYTE byteaddr = SurfObj->pvScan0 + y1 * SurfObj->lDelta;
+  PDWORD addr = (PDWORD)byteaddr + x;
+  LONG lDelta = SurfObj->lDelta / sizeof(DWORD);
+
+  byteaddr = (PBYTE)addr;
+  while(y1++ < y2) {
+    *addr = (DWORD)c;
+
+    addr += lDelta;
+  }
+}
+
+BOOLEAN DIB_32BPP_BitBlt(SURFOBJ *DestSurf, SURFOBJ *SourceSurf,
+                         SURFGDI *DestGDI,  SURFGDI *SourceGDI,
+                         PRECTL  DestRect,  POINTL  *SourcePoint,
+                         XLATEOBJ *ColorTranslation)
+{
+  ULONG     i, j, sx, sy, xColor, f1;
+  PBYTE    SourceBits, DestBits, SourceLine, DestLine;
+  PBYTE    SourceBits_4BPP, SourceLine_4BPP;
+
+  DestBits = DestSurf->pvScan0 + (DestRect->top * DestSurf->lDelta) + 4 * DestRect->left;
+
+  switch(SourceGDI->BitsPerPixel)
+  {
+    case 1:
+      sx = SourcePoint->x;
+      sy = SourcePoint->y;
+
+      for (j=DestRect->top; j<DestRect->bottom; j++)
+      {
+        sx = SourcePoint->x;
+        for (i=DestRect->left; i<DestRect->right; i++)
+        {
+          if(DIB_1BPP_GetPixel(SourceSurf, sx, sy) == 0)
+          {
+            DIB_32BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 0));
+          } else {
+            DIB_32BPP_PutPixel(DestSurf, i, j, XLATEOBJ_iXlate(ColorTranslation, 1));
+          }
+          sx++;
+        }
+        sy++;
+      }
+      break;
+
+    case 4:
+      SourceBits_4BPP = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + (SourcePoint->x >> 1);
+
+      for (j=DestRect->top; j<DestRect->bottom; j++)
+      {
+        SourceLine_4BPP = SourceBits_4BPP;
+        sx = SourcePoint->x;
+        f1 = sx & 1;
+
+        for (i=DestRect->left; i<DestRect->right; i++)
+        {
+          xColor = XLATEOBJ_iXlate(ColorTranslation,
+              (*SourceLine_4BPP & altnotmask[sx&1]) >> (4 * (1-(sx & 1))));
+          DIB_32BPP_PutPixel(DestSurf, i, j, xColor);
+          if(f1 == 1) { SourceLine_4BPP++; f1 = 0; } else { f1 = 1; }
+          sx++;
+        }
+
+        SourceBits_4BPP += SourceSurf->lDelta;
+      }
+      break;
+
+    case 8:
+      SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + SourcePoint->x;
+      DestLine = DestBits;
+
+      for (j = DestRect->top; j < DestRect->bottom; j++)
+      {
+        SourceBits = SourceLine;
+        DestBits = DestLine;
+
+        for (i = DestRect->left; i < DestRect->right; i++)
+        {
+          xColor = *SourceBits;
+          *((PDWORD) DestBits) = (DWORD)XLATEOBJ_iXlate(ColorTranslation, xColor);
+          SourceBits += 1;
+         DestBits += 4;
+        }
+
+        SourceLine += SourceSurf->lDelta;
+        DestLine += DestSurf->lDelta;
+      }
+      break;
+
+    case 16:
+      SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 2 * SourcePoint->x;
+      DestLine = DestBits;
+
+      for (j = DestRect->top; j < DestRect->bottom; j++)
+      {
+        SourceBits = SourceLine;
+        DestBits = DestLine;
+
+        for (i = DestRect->left; i < DestRect->right; i++)
+        {
+          xColor = *((PWORD) SourceBits);
+          *((PDWORD) DestBits) = (DWORD)XLATEOBJ_iXlate(ColorTranslation, xColor);
+          SourceBits += 2;
+         DestBits += 4;
+        }
+
+        SourceLine += SourceSurf->lDelta;
+        DestLine += DestSurf->lDelta;
+      }
+      break;
+
+    case 24:
+      SourceLine = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 3 * SourcePoint->x;
+      DestLine = DestBits;
+
+      for (j = DestRect->top; j < DestRect->bottom; j++)
+      {
+        SourceBits = SourceLine;
+        DestBits = DestLine;
+
+        for (i = DestRect->left; i < DestRect->right; i++)
+        {
+          xColor = (*(SourceBits + 2) << 0x10) +
+             (*(SourceBits + 1) << 0x08) +
+             (*(SourceBits));
+          *((PDWORD)DestBits) = (DWORD)XLATEOBJ_iXlate(ColorTranslation, xColor);
+          SourceBits += 3;
+         DestBits += 4;
+        }
+
+        SourceLine += SourceSurf->lDelta;
+        DestLine += DestSurf->lDelta;
+      }
+      break;
+
+    case 32:
+      if (NULL == ColorTranslation || 0 != (ColorTranslation->flXlate & XO_TRIVIAL))
+      {
+       SourceBits = SourceSurf->pvScan0 + (SourcePoint->y * SourceSurf->lDelta) + 4 * SourcePoint->x;
+       for (j = DestRect->top; j < DestRect->bottom; j++)
+       {
+         RtlCopyMemory(DestBits, SourceBits, 4 * (DestRect->right - DestRect->left));
+         SourceBits += SourceSurf->lDelta;
+         DestBits += DestSurf->lDelta;
+       }
+      }
+      else
+      {
+       /* FIXME */
+       DPRINT1("DIB_32BPP_Bitblt: Unhandled ColorTranslation for 32 -> 32 copy");
+        return FALSE;
+      }
+      break;
+
+    default:
+      DbgPrint("DIB_32BPP_Bitblt: Unhandled Source BPP: %u\n", SourceGDI->BitsPerPixel);
+      return FALSE;
+  }
+
+  return TRUE;
+}