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- /* GCSx
- ** MOUSE.CPP
- **
- ** Basic mouse display
- */
- /*****************************************************************************
- ** Copyright (C) 2003-2006 Janson
- **
- ** This program is free software; you can redistribute it and/or modify
- ** it under the terms of the GNU General Public License as published by
- ** the Free Software Foundation; either version 2 of the License, or
- ** (at your option) any later version.
- **
- ** This program is distributed in the hope that it will be useful,
- ** but WITHOUT ANY WARRANTY; without even the implied warranty of
- ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- ** GNU General Public License for more details.
- **
- ** You should have received a copy of the GNU General Public License
- ** along with this program; if not, write to the Free Software
- ** Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111, USA.
- *****************************************************************************/
- #include "all.h"
- MousePointer::MousePointer(const char* filename, int x, int y) { start_func
- assert(filename);
- assert(x >= 0);
- assert(y >= 0);
- original = SDL_LoadBMP(filename);
- if (original == NULL) {
- fatalCrash(0, "Error loading mouse cursor %s: %s", filename, SDL_GetError());
- }
- SDL_SetColorKey(original, SDL_SRCCOLORKEY, SDL_MapRGB(original->format, 255, 0, 0));
- converted = NULL;
- hotX = x;
- hotY = y;
-
- tex = NULL;
- texNum = 0;
- }
- MousePointer::~MousePointer() { start_func
- if (original) SDL_FreeSurface(original);
- if (converted) SDL_FreeSurface(converted);
- }
- int MousePointer::xSize() const { start_func
- assert(original);
- return original->w;
- }
-
- int MousePointer::ySize() const { start_func
- assert(original);
- return original->h;
- }
-
- int MousePointer::tooltipYOffset() const { start_func
- assert(original);
- return original->h - hotY;
- }
- void MousePointer::convertFor(SDL_Surface* screen) { start_func
- assert(screen);
- if (converted) SDL_FreeSurface(converted);
- converted = NULL;
- converted = SDL_ConvertSurface(original, screen->format, screen->flags);
- tex = NULL;
- }
- void MousePointer::convertGL(TextureMap* texmap, int gNum, int xSize, int ySize) { start_func
- assert(texmap);
- SDL_Surface* temp = createSurface32(xSize, ySize);
- SDL_Rect sourceRect;
- sourceRect.x = 0;
- sourceRect.y = 0;
- sourceRect.w = original->w;
- sourceRect.h = original->h;
- SDL_Rect destRect = sourceRect;
- if (SDL_BlitSurface(original, &sourceRect, temp, &destRect)) {
- fatalCrash(0, "SDL Blit error: %s", SDL_GetError());
- }
- texmap->store(gNum, temp);
- SDL_FreeSurface(temp);
-
- tex = texmap;
- texNum = gNum;
- }
- void MousePointer::textureAt(int x, int y) const { start_func
- if (tex) tex->draw(texNum, x - hotX, y - hotY);
- }
- void MousePointer::displayAt(int x, int y, SDL_Surface* save, SDL_Rect* storeRect) { start_func
- assert((converted) || (original));
- if (save) blit(x - hotX, y - hotY, getScreen(), 0, 0, save, save->w, save->h);
- SDL_Rect sourceRect;
- sourceRect.x = 0;
- sourceRect.y = 0;
- storeRect->x = x - hotX;
- storeRect->y = y - hotY;
- if (converted) {
- sourceRect.w = converted->w;
- sourceRect.h = converted->h;
- if (SDL_BlitSurface(converted, &sourceRect, getScreen(), storeRect)) {
- fatalCrash(0, "SDL Blit error: %s", SDL_GetError());
- }
- }
- else {
- sourceRect.w = original->w;
- sourceRect.h = original->h;
- if (SDL_BlitSurface(original, &sourceRect, getScreen(), storeRect)) {
- fatalCrash(0, "SDL Blit error: %s", SDL_GetError());
- }
- }
- }
- void MousePointer::unDisplay(int x, int y, SDL_Surface* saved, SDL_Rect* storeRect) const { start_func
- if (saved) {
- SDL_Rect sourceRect;
- sourceRect.x = 0;
- sourceRect.y = 0;
- sourceRect.w = saved->w;
- sourceRect.h = saved->h;
-
- storeRect->x = x - hotX;
- storeRect->y = y - hotY;
-
- if (SDL_BlitSurface(saved, &sourceRect, getScreen(), storeRect)) {
- fatalCrash(0, "SDL Blit error: %s", SDL_GetError());
- }
- }
- }
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