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