FreeRDP/rdtk/librdtk/rdtk_surface.c

86 lines
1.8 KiB
C

/**
* RdTk: Remote Desktop Toolkit
*
* Copyright 2014 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "rdtk_surface.h"
int rdtk_surface_fill(rdtkSurface* surface, int x, int y, int width, int height, UINT32 color)
{
freerdp_image_fill(surface->data, PIXEL_FORMAT_XRGB32,
surface->scanline, x, y, width, height, color);
return 1;
}
rdtkSurface* rdtk_surface_new(rdtkEngine* engine, BYTE* data, int width, int height, int scanline)
{
rdtkSurface* surface;
surface = (rdtkSurface*) calloc(1, sizeof(rdtkSurface));
if (!surface)
return NULL;
surface->engine = engine;
surface->width = width;
surface->height = height;
if (scanline < 0)
scanline = width * 4;
surface->scanline = scanline;
surface->data = data;
surface->owner = FALSE;
if (!data)
{
surface->scanline = (surface->width + (surface->width % 4)) * 4;
surface->data = (BYTE*) malloc(surface->scanline * surface->height);
if (!surface->data)
{
free(surface);
return NULL;
}
ZeroMemory(surface->data, surface->scanline * surface->height);
surface->owner = TRUE;
}
return surface;
}
void rdtk_surface_free(rdtkSurface* surface)
{
if (!surface)
return;
if (surface->owner)
free(surface->data);
free(surface);
}