FreeRDP/client/DirectFB/df_graphics.c

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2011-11-12 03:34:06 +04:00
/**
* FreeRDP: A Remote Desktop Protocol Client
* DirectFB Graphical Objects
*
* Copyright 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 <freerdp/utils/memory.h>
#include "df_graphics.h"
/* Pointer Class */
void df_Pointer_New(rdpContext* context, rdpPointer* pointer)
{
dfInfo* dfi;
DFBResult result;
dfPointer* df_pointer;
DFBSurfaceDescription dsc;
dfi = ((dfContext*) context)->dfi;
df_pointer = (dfPointer*) pointer;
dsc.flags = DSDESC_CAPS | DSDESC_WIDTH | DSDESC_HEIGHT | DSDESC_PIXELFORMAT;
dsc.caps = DSCAPS_SYSTEMONLY;
dsc.width = pointer->width;
dsc.height = pointer->height;
dsc.pixelformat = DSPF_ARGB;
result = dfi->dfb->CreateSurface(dfi->dfb, &dsc, &(df_pointer->surface));
if (result == DFB_OK)
{
int pitch;
uint8* point = NULL;
df_pointer->xhot = pointer->xPos;
df_pointer->yhot = pointer->yPos;
result = df_pointer->surface->Lock(df_pointer->surface,
DSLF_WRITE, (void**) &point, &pitch);
if (result != DFB_OK)
{
DirectFBErrorFatal("Error while creating pointer surface", result);
return;
}
if ((pointer->andMaskData != 0) && (pointer->xorMaskData != 0))
{
freerdp_alpha_cursor_convert(point, pointer->xorMaskData, pointer->andMaskData,
pointer->width, pointer->height, pointer->xorBpp, dfi->clrconv);
}
if (pointer->xorBpp > 24)
{
freerdp_image_swap_color_order(point, pointer->width, pointer->height);
}
df_pointer->surface->Unlock(df_pointer->surface);
}
}
void df_Pointer_Free(rdpContext* context, rdpPointer* pointer)
{
dfPointer* df_pointer = (dfPointer*) pointer;
df_pointer->surface->Release(df_pointer->surface);
}
void df_Pointer_Set(rdpContext* context, rdpPointer* pointer)
{
dfInfo* dfi;
DFBResult result;
dfPointer* df_pointer;
dfi = ((dfContext*) context)->dfi;
df_pointer = (dfPointer*) pointer;
dfi->layer->SetCooperativeLevel(dfi->layer, DLSCL_ADMINISTRATIVE);
result = dfi->layer->SetCursorShape(dfi->layer,
df_pointer->surface, df_pointer->xhot, df_pointer->yhot);
if (result != DFB_OK)
{
DirectFBErrorFatal("SetCursorShape Error", result);
return;
}
dfi->layer->SetCooperativeLevel(dfi->layer, DLSCL_SHARED);
}
/* Graphics Module */
void df_register_graphics(rdpGraphics* graphics)
{
rdpPointer* pointer;
pointer = xnew(rdpPointer);
pointer->size = sizeof(dfPointer);
pointer->New = df_Pointer_New;
pointer->Free = df_Pointer_Free;
pointer->Set = df_Pointer_Set;
graphics_register_pointer(graphics, pointer);
xfree(pointer);
}