Revert tree-restructure attempt: r66583, r66582, r66581, r66578, sauf ntdll changes...

[reactos.git] / reactos / win32ss / drivers / displays / framebufacc / palette.c

diff --git a/reactos/win32ss/drivers/displays/framebufacc/palette.c b/reactos/win32ss/drivers/displays/framebufacc/palette.c
new file mode 100644 (file)
index 0000000..b5109c7
--- /dev/null
+++ b/reactos/win32ss/drivers/displays/framebufacc/palette.c
@@ -0,0 +1,192 @@
+/*
+ * ReactOS Generic Framebuffer display driver
+ *
+ * Copyright (C) 2004 Filip Navara
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "framebufacc.h"
+
+/*
+ * Standard color that must be in palette, because they're used for
+ * drawing window borders and other GUI elements.
+ */
+
+const PALETTEENTRY BASEPALETTE[20] =
+{
+   { 0x00, 0x00, 0x00, 0x00 },
+   { 0x80, 0x00, 0x00, 0x00 },
+   { 0x00, 0x80, 0x00, 0x00 },
+   { 0x80, 0x80, 0x00, 0x00 },
+   { 0x00, 0x00, 0x80, 0x00 },
+   { 0x80, 0x00, 0x80, 0x00 },
+   { 0x00, 0x80, 0x80, 0x00 },
+   { 0xC0, 0xC0, 0xC0, 0x00 },
+   { 0xC0, 0xDC, 0xC0, 0x00 },
+   { 0xD4, 0xD0, 0xC8, 0x00 },
+   { 0xFF, 0xFB, 0xF0, 0x00 },
+   { 0x3A, 0x6E, 0xA5, 0x00 },
+   { 0x80, 0x80, 0x80, 0x00 },
+   { 0xFF, 0x00, 0x00, 0x00 },
+   { 0x00, 0xFF, 0x00, 0x00 },
+   { 0xFF, 0xFF, 0x00, 0x00 },
+   { 0x00, 0x00, 0xFF, 0x00 },
+   { 0xFF, 0x00, 0xFF, 0x00 },
+   { 0x00, 0xFF, 0xFF, 0x00 },
+   { 0xFF, 0xFF, 0xFF, 0x00 },
+};
+
+/*
+ * IntInitDefaultPalette
+ *
+ * Initializes default palette for PDEV and fill it with the colors specified
+ * by the GDI standard.
+ */
+
+BOOL
+IntInitDefaultPalette(
+   PPDEV ppdev,
+   PDEVINFO pDevInfo)
+{
+   ULONG ColorLoop;
+   PPALETTEENTRY PaletteEntryPtr;
+
+   if (ppdev->BitsPerPixel > 8)
+   {
+      ppdev->DefaultPalette = pDevInfo->hpalDefault =
+         EngCreatePalette(PAL_BITFIELDS, 0, NULL,
+            ppdev->RedMask, ppdev->GreenMask, ppdev->BlueMask);
+   }
+   else
+   {
+      ppdev->PaletteEntries = EngAllocMem(0, sizeof(PALETTEENTRY) << 8, ALLOC_TAG);
+      if (ppdev->PaletteEntries == NULL)
+      {
+         return FALSE;
+      }
+
+      for (ColorLoop = 256, PaletteEntryPtr = ppdev->PaletteEntries;
+           ColorLoop != 0;
+           ColorLoop--, PaletteEntryPtr++)
+      {
+         PaletteEntryPtr->peRed = ((ColorLoop >> 5) & 7) * 255 / 7;
+         PaletteEntryPtr->peGreen = ((ColorLoop >> 3) & 3) * 255 / 3;
+         PaletteEntryPtr->peBlue = (ColorLoop & 7) * 255 / 7;
+         PaletteEntryPtr->peFlags = 0;
+      }
+
+      memcpy(ppdev->PaletteEntries, BASEPALETTE, 10 * sizeof(PALETTEENTRY));
+      memcpy(ppdev->PaletteEntries + 246, BASEPALETTE + 10, 10 * sizeof(PALETTEENTRY));
+
+      ppdev->DefaultPalette = pDevInfo->hpalDefault =
+         EngCreatePalette(PAL_INDEXED, 256, (PULONG)ppdev->PaletteEntries, 0, 0, 0);
+    }
+
+    return ppdev->DefaultPalette != NULL;
+}
+
+/*
+ * IntSetPalette
+ *
+ * Requests that the driver realize the palette for a specified device. The
+ * driver sets the hardware palette to match the entries in the given palette
+ * as closely as possible.
+ */
+
+BOOL APIENTRY
+IntSetPalette(
+   IN DHPDEV dhpdev,
+   IN PPALETTEENTRY ppalent,
+   IN ULONG iStart,
+   IN ULONG cColors)
+{
+   PVIDEO_CLUT pClut;
+   ULONG ClutSize;
+
+   ClutSize = sizeof(VIDEO_CLUT) + (cColors * sizeof(ULONG));
+   pClut = EngAllocMem(0, ClutSize, ALLOC_TAG);
+   pClut->FirstEntry = iStart;
+   pClut->NumEntries = cColors;
+   memcpy(&pClut->LookupTable[0].RgbLong, ppalent, sizeof(ULONG) * cColors);
+
+   if (((PPDEV)dhpdev)->PaletteShift)
+   {
+      while (cColors--)
+      {
+         pClut->LookupTable[cColors].RgbArray.Red >>= ((PPDEV)dhpdev)->PaletteShift;
+         pClut->LookupTable[cColors].RgbArray.Green >>= ((PPDEV)dhpdev)->PaletteShift;
+         pClut->LookupTable[cColors].RgbArray.Blue >>= ((PPDEV)dhpdev)->PaletteShift;
+         pClut->LookupTable[cColors].RgbArray.Unused = 0;
+      }
+   }
+   else
+   {
+      while (cColors--)
+      {
+         pClut->LookupTable[cColors].RgbArray.Unused = 0;
+      }
+   }
+
+   /*
+    * Set the palette registers.
+    */
+
+   if (EngDeviceIoControl(((PPDEV)dhpdev)->hDriver, IOCTL_VIDEO_SET_COLOR_REGISTERS,
+                          pClut, ClutSize, NULL, 0, &cColors))
+   {
+      EngFreeMem(pClut);
+      return FALSE;
+   }
+
+   EngFreeMem(pClut);
+   return TRUE;
+}
+
+/*
+ * DrvSetPalette
+ *
+ * Requests that the driver realize the palette for a specified device. The
+ * driver sets the hardware palette to match the entries in the given palette
+ * as closely as possible.
+ *
+ * Status
+ *    @implemented
+ */
+
+BOOL APIENTRY
+DrvSetPalette(
+   IN DHPDEV dhpdev,
+   IN PALOBJ *ppalo,
+   IN FLONG fl,
+   IN ULONG iStart,
+   IN ULONG cColors)
+{
+   PPALETTEENTRY PaletteEntries;
+
+   PaletteEntries = EngAllocMem(0, cColors * sizeof(ULONG), ALLOC_TAG);
+   if (PaletteEntries == NULL)
+   {
+      return FALSE;
+   }
+
+   if (PALOBJ_cGetColors(ppalo, iStart, cColors, (PULONG)PaletteEntries) !=
+       cColors)
+   {
+      return FALSE;
+   }
+
+   return IntSetPalette(dhpdev, PaletteEntries, iStart, cColors);
+}