mirror of
https://github.com/ZDoom/raze-gles.git
synced 2024-12-27 04:00:42 +00:00
87 lines
2.8 KiB
C++
87 lines
2.8 KiB
C++
/*
|
|
** i_gui.cpp
|
|
**
|
|
**---------------------------------------------------------------------------
|
|
** Copyright 2008 Randy Heit
|
|
** All rights reserved.
|
|
**
|
|
** Redistribution and use in source and binary forms, with or without
|
|
** modification, are permitted provided that the following conditions
|
|
** are met:
|
|
**
|
|
** 1. Redistributions of source code must retain the above copyright
|
|
** notice, this list of conditions and the following disclaimer.
|
|
** 2. Redistributions in binary form must reproduce the above copyright
|
|
** notice, this list of conditions and the following disclaimer in the
|
|
** documentation and/or other materials provided with the distribution.
|
|
** 3. The name of the author may not be used to endorse or promote products
|
|
** derived from this software without specific prior written permission.
|
|
**
|
|
** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
|
|
** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
|
|
** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
|
|
** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
|
|
** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
|
|
** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
|
** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
**---------------------------------------------------------------------------
|
|
**
|
|
*/
|
|
|
|
#include <string.h>
|
|
|
|
#include <SDL.h>
|
|
|
|
#include "bitmap.h"
|
|
#include "v_palette.h"
|
|
#include "textures.h"
|
|
|
|
bool I_SetCursor(FTexture *cursorpic)
|
|
{
|
|
static SDL_Cursor *cursor;
|
|
static SDL_Surface *cursorSurface;
|
|
|
|
if (cursorpic != NULL && cursorpic->isValid())
|
|
{
|
|
auto src = cursorpic->GetBgraBitmap(nullptr);
|
|
// Must be no larger than 32x32.
|
|
if (src.GetWidth() > 32 || src.GetHeight() > 32)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (cursorSurface == NULL)
|
|
cursorSurface = SDL_CreateRGBSurface (0, 32, 32, 32, MAKEARGB(0,255,0,0), MAKEARGB(0,0,255,0), MAKEARGB(0,0,0,255), MAKEARGB(255,0,0,0));
|
|
|
|
SDL_LockSurface(cursorSurface);
|
|
uint8_t buffer[32*32*4];
|
|
memset(buffer, 0, 32*32*4);
|
|
FBitmap bmp(buffer, 32*4, 32, 32);
|
|
bmp.Blit(0, 0, src); // expand to 32*32
|
|
memcpy(cursorSurface->pixels, bmp.GetPixels(), 32*32*4);
|
|
SDL_UnlockSurface(cursorSurface);
|
|
|
|
if (cursor)
|
|
SDL_FreeCursor (cursor);
|
|
cursor = SDL_CreateColorCursor (cursorSurface, 0, 0);
|
|
SDL_SetCursor (cursor);
|
|
}
|
|
else
|
|
{
|
|
if (cursor)
|
|
{
|
|
SDL_SetCursor (NULL);
|
|
SDL_FreeCursor (cursor);
|
|
cursor = NULL;
|
|
}
|
|
if (cursorSurface != NULL)
|
|
{
|
|
SDL_FreeSurface(cursorSurface);
|
|
cursorSurface = NULL;
|
|
}
|
|
}
|
|
return true;
|
|
}
|