diff options
Diffstat (limited to 'backends/platform/linuxmoto/linuxmoto-graphics.cpp')
| -rw-r--r-- | backends/platform/linuxmoto/linuxmoto-graphics.cpp | 470 |
1 files changed, 0 insertions, 470 deletions
diff --git a/backends/platform/linuxmoto/linuxmoto-graphics.cpp b/backends/platform/linuxmoto/linuxmoto-graphics.cpp deleted file mode 100644 index a39416ebc4..0000000000 --- a/backends/platform/linuxmoto/linuxmoto-graphics.cpp +++ /dev/null @@ -1,470 +0,0 @@ -/* ScummVM - Graphic Adventure Engine - * - * ScummVM is the legal property of its developers, whose names - * are too numerous to list here. Please refer to the COPYRIGHT - * file distributed with this source distribution. - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. - * - * $URL$ - * $Id$ - * - */ - -#include "backends/platform/linuxmoto/linuxmoto-sdl.h" - -#include "common/mutex.h" -#include "graphics/font.h" -#include "graphics/fontman.h" -#include "graphics/scaler.h" -#include "graphics/scaler/aspect.h" -#include "graphics/scaler/downscaler.h" -#include "graphics/surface.h" - -static const OSystem::GraphicsMode s_supportedGraphicsModes[] = { - {"1x", "Fullscreen", GFX_NORMAL}, - {"½x", "Downscale", GFX_HALF}, - {0, 0, 0} -}; - - -const OSystem::GraphicsMode *OSystem_LINUXMOTO::getSupportedGraphicsModes() const { - return s_supportedGraphicsModes; -} - -int OSystem_LINUXMOTO::getDefaultGraphicsMode() const { - return GFX_NORMAL; -} - -bool OSystem_LINUXMOTO::setGraphicsMode(int mode) { - Common::StackLock lock(_graphicsMutex); - - assert(_transactionMode == kTransactionActive); - - if (_oldVideoMode.setup && _oldVideoMode.mode == mode) - return true; - - int newScaleFactor = 1; - - switch (mode) { - case GFX_NORMAL: - newScaleFactor = 1; - break; - case GFX_HALF: - newScaleFactor = 1; - break; - default: - warning("unknown gfx mode %d", mode); - return false; - } - - _transactionDetails.normal1xScaler = (mode == GFX_NORMAL); - if (_oldVideoMode.setup && _oldVideoMode.scaleFactor != newScaleFactor) - _transactionDetails.needHotswap = true; - - _transactionDetails.needUpdatescreen = true; - - _videoMode.mode = mode; - _videoMode.scaleFactor = newScaleFactor; - - return true; -} - -void OSystem_LINUXMOTO::setGraphicsModeIntern() { - Common::StackLock lock(_graphicsMutex); - ScalerProc *newScalerProc = 0; - - switch (_videoMode.mode) { - case GFX_NORMAL: - newScalerProc = Normal1x; - break; - case GFX_HALF: - newScalerProc = DownscaleAllByHalf; - break; - - default: - error("Unknown gfx mode %d", _videoMode.mode); - } - - _scalerProc = newScalerProc; - - if (!_screen || !_hwscreen) - return; - - // Blit everything to the screen - _forceFull = true; - - // Even if the old and new scale factors are the same, we may have a - // different scaler for the cursor now. - blitCursor(); -} - - -void OSystem_LINUXMOTO::initSize(uint w, uint h) { - assert(_transactionMode == kTransactionActive); - - // Avoid redundant res changes - if ((int)w == _videoMode.screenWidth && (int)h == _videoMode.screenHeight) - return; - - _videoMode.screenWidth = w; - _videoMode.screenHeight = h; - - if (w > 320 || h > 240) { - setGraphicsMode(GFX_HALF); - setGraphicsModeIntern(); - toggleMouseGrab(); - } - - _transactionDetails.sizeChanged = true; -} - -bool OSystem_LINUXMOTO::loadGFXMode() { - printf("Game ScreenMode = %d*%d\n",_videoMode.screenWidth, _videoMode.screenHeight); - if (_videoMode.screenWidth > 320 || _videoMode.screenHeight > 240) { - _videoMode.aspectRatioCorrection = false; - setGraphicsMode(GFX_HALF); - printf("GraphicsMode set to HALF\n"); - } else { - setGraphicsMode(GFX_NORMAL); - printf("GraphicsMode set to NORMAL\n"); - } - if (_videoMode.mode == GFX_HALF && !_overlayVisible) { - _videoMode.overlayWidth = 320; - _videoMode.overlayHeight = 240; - _videoMode.fullscreen = true; - } else { - - _videoMode.overlayWidth = _videoMode.screenWidth * _videoMode.scaleFactor; - _videoMode.overlayHeight = _videoMode.screenHeight * _videoMode.scaleFactor; - - if (_videoMode.aspectRatioCorrection) - _videoMode.overlayHeight = real2Aspect(_videoMode.overlayHeight); - - _videoMode.hardwareWidth = _videoMode.screenWidth * _videoMode.scaleFactor; - _videoMode.hardwareHeight = effectiveScreenHeight(); - } - - return OSystem_SDL::loadGFXMode(); -} - -void OSystem_LINUXMOTO::drawMouse() { - if (!_mouseVisible || !_mouseSurface) { - _mouseBackup.x = _mouseBackup.y = _mouseBackup.w = _mouseBackup.h = 0; - return; - } - - SDL_Rect dst; - int scale; - int hotX, hotY; - - if (_videoMode.mode == GFX_HALF && !_overlayVisible) { - dst.x = _mouseCurState.x/2; - dst.y = _mouseCurState.y/2; - } else { - dst.x = _mouseCurState.x; - dst.y = _mouseCurState.y; - } - - if (!_overlayVisible) { - scale = _videoMode.scaleFactor; - dst.w = _mouseCurState.vW; - dst.h = _mouseCurState.vH; - hotX = _mouseCurState.vHotX; - hotY = _mouseCurState.vHotY; - } else { - scale = 1; - dst.w = _mouseCurState.rW; - dst.h = _mouseCurState.rH; - hotX = _mouseCurState.rHotX; - hotY = _mouseCurState.rHotY; - } - - // The mouse is undrawn using virtual coordinates, i.e. they may be - // scaled and aspect-ratio corrected. - - _mouseBackup.x = dst.x - hotX; - _mouseBackup.y = dst.y - hotY; - _mouseBackup.w = dst.w; - _mouseBackup.h = dst.h; - - // We draw the pre-scaled cursor image, so now we need to adjust for - // scaling, shake position and aspect ratio correction manually. - - if (!_overlayVisible) { - dst.y += _currentShakePos; - } - - if (_videoMode.aspectRatioCorrection && !_overlayVisible) - dst.y = real2Aspect(dst.y); - - dst.x = scale * dst.x - _mouseCurState.rHotX; - dst.y = scale * dst.y - _mouseCurState.rHotY; - dst.w = _mouseCurState.rW; - dst.h = _mouseCurState.rH; - - // Note that SDL_BlitSurface() and addDirtyRect() will both perform any - // clipping necessary - - if (SDL_BlitSurface(_mouseSurface, NULL, _hwscreen, &dst) != 0) - error("SDL_BlitSurface failed: %s", SDL_GetError()); - - // The screen will be updated using real surface coordinates, i.e. - // they will not be scaled or aspect-ratio corrected. - addDirtyRect(dst.x, dst.y, dst.w, dst.h, true); -} - -void OSystem_LINUXMOTO::undrawMouse() { - const int x = _mouseBackup.x; - const int y = _mouseBackup.y; - - // When we switch bigger overlay off mouse jumps. Argh! - // This is intended to prevent undrawing offscreen mouse - if (!_overlayVisible && (x >= _videoMode.screenWidth || y >= _videoMode.screenHeight)) - return; - - if (_mouseBackup.w != 0 && _mouseBackup.h != 0) { - if (_videoMode.mode == GFX_HALF && !_overlayVisible) { - addDirtyRect(x*2, y*2, _mouseBackup.w*2, _mouseBackup.h*2); - } else { - addDirtyRect(x, y, _mouseBackup.w, _mouseBackup.h); - } - } -} - -void OSystem_LINUXMOTO::internUpdateScreen() { - SDL_Surface *srcSurf, *origSurf; - int height, width; - ScalerProc *scalerProc; - int scale1; - -#if defined (DEBUG) && ! defined(_WIN32_WCE) // definitions not available for non-DEBUG here. (needed this to compile in SYMBIAN32 & linux?) - assert(_hwscreen != NULL); - assert(_hwscreen->map->sw_data != NULL); -#endif - - // If the shake position changed, fill the dirty area with blackness - if (_currentShakePos != _newShakePos) { - SDL_Rect blackrect = {0, 0, _videoMode.screenWidth * _videoMode.scaleFactor, _newShakePos * _videoMode.scaleFactor}; - - if (_videoMode.aspectRatioCorrection && !_overlayVisible) - blackrect.h = real2Aspect(blackrect.h - 1) + 1; - - SDL_FillRect(_hwscreen, &blackrect, 0); - - _currentShakePos = _newShakePos; - - _forceFull = true; - } - - // Check whether the palette was changed in the meantime and update the - // screen surface accordingly. - if (_screen && _paletteDirtyEnd != 0) { - SDL_SetColors(_screen, _currentPalette + _paletteDirtyStart, - _paletteDirtyStart, - _paletteDirtyEnd - _paletteDirtyStart); - - _paletteDirtyEnd = 0; - - _forceFull = true; - } - -#ifdef USE_OSD - // OSD visible (i.e. non-transparent)? - if (_osdAlpha != SDL_ALPHA_TRANSPARENT) { - // Updated alpha value - const int diff = SDL_GetTicks() - _osdFadeStartTime; - if (diff > 0) { - if (diff >= kOSDFadeOutDuration) { - // Back to full transparency - _osdAlpha = SDL_ALPHA_TRANSPARENT; - } else { - // Do a linear fade out... - const int startAlpha = SDL_ALPHA_TRANSPARENT + kOSDInitialAlpha * (SDL_ALPHA_OPAQUE - SDL_ALPHA_TRANSPARENT) / 100; - _osdAlpha = startAlpha + diff * (SDL_ALPHA_TRANSPARENT - startAlpha) / kOSDFadeOutDuration; - } - SDL_SetAlpha(_osdSurface, SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, _osdAlpha); - _forceFull = true; - } - } -#endif - - if (!_overlayVisible) { - origSurf = _screen; - srcSurf = _tmpscreen; - width = _videoMode.screenWidth; - height = _videoMode.screenHeight; - scalerProc = _scalerProc; - scale1 = _videoMode.scaleFactor; - } else { - origSurf = _overlayscreen; - srcSurf = _tmpscreen2; - width = _videoMode.overlayWidth; - height = _videoMode.overlayHeight; - scalerProc = Normal1x; - scale1 = 1; - } - - // Add the area covered by the mouse cursor to the list of dirty rects if - // we have to redraw the mouse. - if (_mouseNeedsRedraw) - undrawMouse(); - - // Force a full redraw if requested - if (_forceFull) { - _numDirtyRects = 1; - _dirtyRectList[0].x = 0; - _dirtyRectList[0].y = 0; - _dirtyRectList[0].w = width; - _dirtyRectList[0].h = height; - } - - // Only draw anything if necessary - if (_numDirtyRects > 0 || _mouseNeedsRedraw) { - SDL_Rect *r; - SDL_Rect dst; - uint32 srcPitch, dstPitch; - SDL_Rect *lastRect = _dirtyRectList + _numDirtyRects; - - for (r = _dirtyRectList; r != lastRect; ++r) { - dst = *r; - dst.x++; // Shift rect by one since 2xSai needs to access the data around - dst.y++; // any pixel to scale it, and we want to avoid mem access crashes. - - if (SDL_BlitSurface(origSurf, r, srcSurf, &dst) != 0) - error("SDL_BlitSurface failed: %s", SDL_GetError()); - } - - SDL_LockSurface(srcSurf); - SDL_LockSurface(_hwscreen); - - srcPitch = srcSurf->pitch; - dstPitch = _hwscreen->pitch; - - for (r = _dirtyRectList; r != lastRect; ++r) { - register int dst_y = r->y + _currentShakePos; - register int dst_h = 0; - register int dst_w = r->w; - register int orig_dst_y = 0; - register int dst_x = r->x; - register int src_y; - register int src_x; - - if (dst_y < height) { - dst_h = r->h; - if (dst_h > height - dst_y) - dst_h = height - dst_y; - - orig_dst_y = dst_y; - src_x = dst_x; - src_y = dst_y; - - if (_videoMode.aspectRatioCorrection && !_overlayVisible) - dst_y = real2Aspect(dst_y); - - assert(scalerProc != NULL); - - if (_videoMode.mode == GFX_HALF && scalerProc == DownscaleAllByHalf) { - - if (dst_x%2==1) { - dst_x--; - dst_w++; - } - if (dst_y%2==1) { - dst_y--; - dst_h++; - } - - if (dst_w&1) - dst_w++; - if (dst_h&1) - dst_h++; - - src_x = dst_x; - src_y = dst_y; - dst_x = dst_x / 2; - dst_y = dst_y / 2; - } - scalerProc((byte *)srcSurf->pixels + (src_x * 2 + 2) + (src_y + 1) * srcPitch, srcPitch, - (byte *)_hwscreen->pixels + dst_x * 2 + dst_y * dstPitch, dstPitch, dst_w, dst_h); - } - - if (_videoMode.mode == GFX_HALF && scalerProc == DownscaleAllByHalf) { - r->w = r->w / 2; - r->h = dst_h / 2; - } else { - r->w = r->w; - r->h = dst_h; - } - - r->x = dst_x; - r->y = dst_y; - -#ifdef USE_SCALERS - if (_videoMode.aspectRatioCorrection && orig_dst_y < height && !_overlayVisible) - r->h = stretch200To240((uint8 *) _hwscreen->pixels, dstPitch, r->w, r->h, r->x, r->y, orig_dst_y * scale1); -#endif - } - SDL_UnlockSurface(srcSurf); - SDL_UnlockSurface(_hwscreen); - - // Readjust the dirty rect list in case we are doing a full update. - // This is necessary if shaking is active. - if (_forceFull) { - _dirtyRectList[0].y = 0; - _dirtyRectList[0].h = (_videoMode.mode == GFX_HALF) ? effectiveScreenHeight()/2 : effectiveScreenHeight(); - } - - drawMouse(); - -#ifdef USE_OSD - if (_osdAlpha != SDL_ALPHA_TRANSPARENT) { - SDL_BlitSurface(_osdSurface, 0, _hwscreen, 0); - } -#endif - // Finally, blit all our changes to the screen - SDL_UpdateRects(_hwscreen, _numDirtyRects, _dirtyRectList); - } - - _numDirtyRects = 0; - _forceFull = false; - _mouseNeedsRedraw = false; -} - -void OSystem_LINUXMOTO::showOverlay() { - if (_videoMode.mode == GFX_HALF) { - _mouseCurState.x = _mouseCurState.x / 2; - _mouseCurState.y = _mouseCurState.y / 2; - } - OSystem_SDL::showOverlay(); -} - -void OSystem_LINUXMOTO::hideOverlay() { - if (_videoMode.mode == GFX_HALF) { - _mouseCurState.x = _mouseCurState.x * 2; - _mouseCurState.y = _mouseCurState.y * 2; - } - OSystem_SDL::hideOverlay(); -} - -void OSystem_LINUXMOTO::warpMouse(int x, int y) { - if (_mouseCurState.x != x || _mouseCurState.y != y) { - if (_videoMode.mode == GFX_HALF && !_overlayVisible) { - x = x / 2; - y = y / 2; - } - } - OSystem_SDL::warpMouse(x, y); -} |