FreeRDP/client/Windows/wf_gdi.c
2011-10-02 20:28:20 -04:00

104 lines
2.6 KiB
C

/**
* FreeRDP: A Remote Desktop Protocol Client
* Windows GDI
*
* Copyright 2009-2011 Jay Sorg
* Copyright 2010-2011 Vic Lee
* 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.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <conio.h>
#include <freerdp/gdi/gdi.h>
#include <freerdp/codec/color.h>
#include "wfreerdp.h"
HBITMAP wf_create_dib(wfInfo* wfi, int width, int height, int bpp, uint8* data)
{
HDC hdc;
int negHeight;
HBITMAP bitmap;
BITMAPINFO bmi;
uint8* cdata = NULL;
/**
* See: http://msdn.microsoft.com/en-us/library/dd183376
* if biHeight is positive, the bitmap is bottom-up
* if biHeight is negative, the bitmap is top-down
* Since we get top-down bitmaps, let's keep it that way
*/
negHeight = (height < 0) ? height : height * (-1);
hdc = GetDC(NULL);
bmi.bmiHeader.biSize = sizeof(BITMAPINFO);
bmi.bmiHeader.biWidth = width;
bmi.bmiHeader.biHeight = negHeight;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = 24;
bmi.bmiHeader.biCompression = BI_RGB;
bitmap = CreateDIBSection (hdc, &bmi, DIB_RGB_COLORS, (void**) &cdata, NULL, 0);
if (data != NULL)
freerdp_image_convert(data, cdata, width, height, bpp, 24, wfi->clrconv);
ReleaseDC(NULL, hdc);
GdiFlush();
return bitmap;
}
WF_IMAGE* wf_image_new(wfInfo* wfi, int width, int height, int bpp, uint8* data)
{
HDC hdc;
WF_IMAGE* image;
hdc = GetDC(NULL);
image = (WF_IMAGE*) malloc(sizeof(WF_IMAGE));
image->hdc = CreateCompatibleDC(hdc);
if (data == NULL)
image->bitmap = CreateCompatibleBitmap(hdc, width, height);
else
image->bitmap = wf_create_dib(wfi, width, height, bpp, data);
image->org_bitmap = (HBITMAP) SelectObject(image->hdc, image->bitmap);
ReleaseDC(NULL, hdc);
return image;
}
void wf_image_free(WF_IMAGE* image)
{
if (image != 0)
{
SelectObject(image->hdc, image->org_bitmap);
DeleteObject(image->bitmap);
DeleteDC(image->hdc);
free(image);
}
}
void wf_toggle_fullscreen(wfInfo* wfi)
{
ShowWindow(wfi->hwnd, SW_HIDE);
wfi->fullscreen = !wfi->fullscreen;
SetForegroundWindow(wfi->hwnd);
}