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/**
* FreeRDP: A Remote Desktop Protocol Client
* GDI Palette Functions
*
* Copyright 2010-2011 Marc-Andre Moreau <marcandre.moreau@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* GDI Palette Functions: http://msdn.microsoft.com/en-us/library/dd183454/ */
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <freerdp/freerdp.h>
#include <freerdp/gdi/gdi.h>
#include <freerdp/gdi/palette.h>
static HGDI_PALETTE hSystemPalette = NULL;
static const GDI_PALETTEENTRY default_system_palette[20] =
{
/* First 10 entries */
{ 0x00, 0x00, 0x00 },
{ 0x80, 0x00, 0x00 },
{ 0x00, 0x80, 0x00 },
{ 0x80, 0x80, 0x00 },
{ 0x00, 0x00, 0x80 },
{ 0x80, 0x00, 0x80 },
{ 0x00, 0x80, 0x80 },
{ 0xC0, 0xC0, 0xC0 },
{ 0xC0, 0xDC, 0xC0 },
{ 0xA6, 0xCA, 0xF0 },
/* Last 10 entries */
{ 0xFF, 0xFB, 0xF0 },
{ 0xA0, 0xA0, 0xA4 },
{ 0x80, 0x80, 0x80 },
{ 0xFF, 0x00, 0x00 },
{ 0x00, 0xFF, 0x00 },
{ 0xFF, 0xFF, 0x00 },
{ 0x00, 0x00, 0xFF },
{ 0xFF, 0x00, 0xFF },
{ 0x00, 0xFF, 0xFF },
{ 0xFF, 0xFF, 0xFF }
};
/**
* Create a new palette.\n
* @msdn{dd183507}
* @param original palette
* @return new palette
*/
HGDI_PALETTE gdi_CreatePalette(HGDI_PALETTE palette)
{
HGDI_PALETTE hPalette = (HGDI_PALETTE) malloc(sizeof(GDI_PALETTE));
hPalette->count = palette->count;
hPalette->entries = (GDI_PALETTEENTRY*) malloc(sizeof(GDI_PALETTEENTRY) * hPalette->count);
memcpy(hPalette->entries, palette->entries, sizeof(GDI_PALETTEENTRY) * hPalette->count);
return hPalette;
}
/**
* Create system palette\n
* @return system palette
*/
HGDI_PALETTE CreateSystemPalette()
{
HGDI_PALETTE palette = (HGDI_PALETTE) malloc(sizeof(GDI_PALETTE));
palette->count = 256;
palette->entries = (GDI_PALETTEENTRY*) malloc(sizeof(GDI_PALETTEENTRY) * 256);
memset(palette->entries, 0, sizeof(GDI_PALETTEENTRY) * 256);
memcpy(&palette->entries[0], &default_system_palette[0], 10 * sizeof(GDI_PALETTEENTRY));
memcpy(&palette->entries[256 - 10], &default_system_palette[10], 10 * sizeof(GDI_PALETTEENTRY));
return palette;
}
/**
* Get system palette\n
* @return system palette
*/
HGDI_PALETTE gdi_GetSystemPalette()
{
if (hSystemPalette == NULL)
hSystemPalette = CreateSystemPalette();
return hSystemPalette;
}
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