diff options
Diffstat (limited to 'backends/sdl/graphics.cpp')
| -rw-r--r-- | backends/sdl/graphics.cpp | 1745 |
1 files changed, 0 insertions, 1745 deletions
diff --git a/backends/sdl/graphics.cpp b/backends/sdl/graphics.cpp deleted file mode 100644 index 30c7a4aa9b..0000000000 --- a/backends/sdl/graphics.cpp +++ /dev/null @@ -1,1745 +0,0 @@ -/* ScummVM - Scumm Interpreter - * Copyright (C) 2001 Ludvig Strigeus - * Copyright (C) 2001-2006 The ScummVM project - * - * 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/sdl/sdl-common.h" -#include "common/util.h" -#include "graphics/font.h" -#include "graphics/fontman.h" -#include "graphics/scaler.h" -#include "graphics/surface.h" - -static const OSystem::GraphicsMode s_supportedGraphicsModes[] = { - {"1x", "Normal (no scaling)", GFX_NORMAL}, - {"2x", "2x", GFX_DOUBLESIZE}, - {"3x", "3x", GFX_TRIPLESIZE}, - {"2xsai", "2xSAI", GFX_2XSAI}, - {"super2xsai", "Super2xSAI", GFX_SUPER2XSAI}, - {"supereagle", "SuperEagle", GFX_SUPEREAGLE}, - {"advmame2x", "AdvMAME2x", GFX_ADVMAME2X}, - {"advmame3x", "AdvMAME3x", GFX_ADVMAME3X}, -#ifndef DISABLE_HQ_SCALERS - {"hq2x", "HQ2x", GFX_HQ2X}, - {"hq3x", "HQ3x", GFX_HQ3X}, -#endif - {"tv2x", "TV2x", GFX_TV2X}, - {"dotmatrix", "DotMatrix", GFX_DOTMATRIX}, - {0, 0, 0} -}; - -// Table of relative scalers magnitudes -// [definedScale - 1][_scaleFactor - 1] -static ScalerProc *scalersMagn[3][3] = { -#ifndef DISABLE_SCALERS - { Normal1x, AdvMame2x, AdvMame3x }, - { Normal1x, Normal1x, Normal1o5x }, - { Normal1x, Normal1x, Normal1x } -#else // remove dependencies on other scalers - { Normal1x, Normal1x, Normal1x }, - { Normal1x, Normal1x, Normal1x }, - { Normal1x, Normal1x, Normal1x } -#endif -}; - -static const int s_gfxModeSwitchTable[][4] = { - { GFX_NORMAL, GFX_DOUBLESIZE, GFX_TRIPLESIZE, -1 }, - { GFX_NORMAL, GFX_ADVMAME2X, GFX_ADVMAME3X, -1 }, - { GFX_NORMAL, GFX_HQ2X, GFX_HQ3X, -1 }, - { GFX_NORMAL, GFX_2XSAI, -1, -1 }, - { GFX_NORMAL, GFX_SUPER2XSAI, -1, -1 }, - { GFX_NORMAL, GFX_SUPEREAGLE, -1, -1 }, - { GFX_NORMAL, GFX_TV2X, -1, -1 }, - { GFX_NORMAL, GFX_DOTMATRIX, -1, -1 } - }; - -#ifndef DISABLE_SCALERS -static int cursorStretch200To240(uint8 *buf, uint32 pitch, int width, int height, int srcX, int srcY, int origSrcY); -#endif - -const OSystem::GraphicsMode *OSystem_SDL::getSupportedGraphicsModes() const { - return s_supportedGraphicsModes; -} - -int OSystem_SDL::getDefaultGraphicsMode() const { - return GFX_DOUBLESIZE; -} - -void OSystem_SDL::beginGFXTransaction(void) { - assert (_transactionMode == kTransactionNone); - - _transactionMode = kTransactionActive; - - _transactionDetails.modeChanged = false; - _transactionDetails.sizeChanged = false; - _transactionDetails.arChanged = false; - _transactionDetails.fsChanged = false; - - _transactionDetails.needHotswap = false; - _transactionDetails.needUpdatescreen = false; - _transactionDetails.needUnload = false; - - _transactionDetails.normal1xScaler = false; -} - -void OSystem_SDL::endGFXTransaction(void) { - // for each engine we run initCommonGFX() as first thing in the transaction - // and initSize() is called later. If user runs launcher at 320x200 with - // 2x overlay, setting to Nomral1x sclaler in that case will be suppressed - // and backend is forced to 2x - // - // This leads to bad results such as 1280x960 window for 640x480 engines. - // To prevent that we rerun setGraphicsMode() if there was 1x scaler request - if (_transactionDetails.normal1xScaler) - setGraphicsMode(GFX_NORMAL); - - assert (_transactionMode == kTransactionActive); - - _transactionMode = kTransactionCommit; - if (_transactionDetails.modeChanged) - setGraphicsMode(_transactionDetails.mode); - - if (_transactionDetails.sizeChanged) - initSize(_transactionDetails.w, _transactionDetails.h); - - if (_transactionDetails.arChanged) - setAspectRatioCorrection(_transactionDetails.ar); - - if (_transactionDetails.needUnload) { - unloadGFXMode(); - loadGFXMode(); - clearOverlay(); - } else { - if (!_transactionDetails.fsChanged) { - if (_transactionDetails.needHotswap) - hotswapGFXMode(); - else if (_transactionDetails.needUpdatescreen) - internUpdateScreen(); - } - } - - if (_transactionDetails.fsChanged) - setFullscreenMode(_transactionDetails.fs); - - _transactionMode = kTransactionNone; -} - -bool OSystem_SDL::setGraphicsMode(int mode) { - Common::StackLock lock(_graphicsMutex); - - int newScaleFactor = 1; - ScalerProc *newScalerProc; - - switch(mode) { - case GFX_NORMAL: - newScaleFactor = 1; - newScalerProc = Normal1x; - break; -#ifndef DISABLE_SCALERS - case GFX_DOUBLESIZE: - newScaleFactor = 2; - newScalerProc = Normal2x; - break; - case GFX_TRIPLESIZE: - newScaleFactor = 3; - newScalerProc = Normal3x; - break; - - case GFX_2XSAI: - newScaleFactor = 2; - newScalerProc = _2xSaI; - break; - case GFX_SUPER2XSAI: - newScaleFactor = 2; - newScalerProc = Super2xSaI; - break; - case GFX_SUPEREAGLE: - newScaleFactor = 2; - newScalerProc = SuperEagle; - break; - case GFX_ADVMAME2X: - newScaleFactor = 2; - newScalerProc = AdvMame2x; - break; - case GFX_ADVMAME3X: - newScaleFactor = 3; - newScalerProc = AdvMame3x; - break; -#ifndef DISABLE_HQ_SCALERS - case GFX_HQ2X: - newScaleFactor = 2; - newScalerProc = HQ2x; - break; - case GFX_HQ3X: - newScaleFactor = 3; - newScalerProc = HQ3x; - break; -#endif - case GFX_TV2X: - newScaleFactor = 2; - newScalerProc = TV2x; - break; - case GFX_DOTMATRIX: - newScaleFactor = 2; - newScalerProc = DotMatrix; - break; -#endif // DISABLE_SCALERS - - default: - warning("unknown gfx mode %d", mode); - return false; - } - - _transactionDetails.normal1xScaler = (mode == GFX_NORMAL); - - _mode = mode; - _scalerProc = newScalerProc; - - if (_transactionMode == kTransactionActive) { - _transactionDetails.mode = mode; - _transactionDetails.modeChanged = true; - - if (newScaleFactor != _scaleFactor) { - _transactionDetails.needHotswap = true; - _scaleFactor = newScaleFactor; - } - - _transactionDetails.needUpdatescreen = true; - - return true; - } - - // NOTE: This should not be executed at transaction commit - // Otherwise there is some unsolicited setGraphicsMode() call - // which should be properly removed - if (newScaleFactor != _scaleFactor) { - assert(_transactionMode != kTransactionCommit); - - _scaleFactor = newScaleFactor; - hotswapGFXMode(); - } - - // Determine the "scaler type", i.e. essentially an index into the - // s_gfxModeSwitchTable array defined in events.cpp. - if (_mode != GFX_NORMAL) { - for (int i = 0; i < ARRAYSIZE(s_gfxModeSwitchTable); i++) { - if (s_gfxModeSwitchTable[i][1] == _mode || s_gfxModeSwitchTable[i][2] == _mode) { - _scalerType = i; - break; - } - } - } - - if (!_screen) - return true; - - // 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(); - - if (_transactionMode != kTransactionCommit) - internUpdateScreen(); - - // Make sure that an EVENT_SCREEN_CHANGED gets sent later - _modeChanged = true; - - return true; -} - -int OSystem_SDL::getGraphicsMode() const { - assert (_transactionMode == kTransactionNone); - return _mode; -} - -void OSystem_SDL::initSize(uint w, uint h) { - // Avoid redundant res changes - if ((int)w == _screenWidth && (int)h == _screenHeight && - _transactionMode != kTransactionCommit) - return; - - _screenWidth = w; - _screenHeight = h; - - _cksumNum = (_screenWidth * _screenHeight / (8 * 8)); - - if (_transactionMode == kTransactionActive) { - _transactionDetails.w = w; - _transactionDetails.h = h; - _transactionDetails.sizeChanged = true; - - _transactionDetails.needUnload = true; - - return; - } - - free(_dirtyChecksums); - _dirtyChecksums = (uint32 *)calloc(_cksumNum * 2, sizeof(uint32)); - - if (_transactionMode != kTransactionCommit) { - unloadGFXMode(); - loadGFXMode(); - - // if initSize() gets called in the middle, overlay is not transparent - clearOverlay(); - } -} - -void OSystem_SDL::loadGFXMode() { - assert(_inited); - _forceFull = true; - _modeFlags |= DF_UPDATE_EXPAND_1_PIXEL; - - int hwW, hwH; - -#ifndef __MAEMO__ - _overlayWidth = _screenWidth * _scaleFactor; - _overlayHeight = _screenHeight * _scaleFactor; - - if (_screenHeight != 200) - _adjustAspectRatio = false; - - if (_adjustAspectRatio) - _overlayHeight = real2Aspect(_overlayHeight); - - hwW = _screenWidth * _scaleFactor; - hwH = effectiveScreenHeight(); -#else - hwW = _overlayWidth; - hwH = _overlayHeight; -#endif - - // - // Create the surface that contains the 8 bit game data - // - _screen = SDL_CreateRGBSurface(SDL_SWSURFACE, _screenWidth, _screenHeight, 8, 0, 0, 0, 0); - if (_screen == NULL) - error("allocating _screen failed"); - - // - // Create the surface that contains the scaled graphics in 16 bit mode - // - - _hwscreen = SDL_SetVideoMode(hwW, hwH, 16, - _fullscreen ? (SDL_FULLSCREEN|SDL_SWSURFACE) : SDL_SWSURFACE - ); - if (_hwscreen == NULL) { - // DON'T use error(), as this tries to bring up the debug - // console, which WON'T WORK now that _hwscreen is hosed. - - // FIXME: We should be able to continue the game without - // shutting down or bringing up the debug console, but at - // this point we've already screwed up all our member vars. - // We need to find a way to call SDL_SetVideoMode *before* - // that happens and revert to all the old settings if we - // can't pull off the switch to the new settings. - // - // Fingolfin says: the "easy" way to do that is not to modify - // the member vars before we are sure everything is fine. Think - // of "transactions, commit, rollback" style... we use local vars - // in place of the member vars, do everything etc. etc.. In case - // of a failure, rollback is trivial. Only if everything worked fine - // do we "commit" the changed values to the member vars. - warning("SDL_SetVideoMode says we can't switch to that mode (%s)", SDL_GetError()); - quit(); - } - - // - // Create the surface used for the graphics in 16 bit before scaling, and also the overlay - // - - // Distinguish 555 and 565 mode - if (_hwscreen->format->Rmask == 0x7C00) - InitScalers(555); - else - InitScalers(565); - - // Need some extra bytes around when using 2xSaI - _tmpscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _screenWidth + 3, _screenHeight + 3, - 16, - _hwscreen->format->Rmask, - _hwscreen->format->Gmask, - _hwscreen->format->Bmask, - _hwscreen->format->Amask); - - if (_tmpscreen == NULL) - error("allocating _tmpscreen failed"); - - _overlayscreen = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth, _overlayHeight, - 16, - _hwscreen->format->Rmask, - _hwscreen->format->Gmask, - _hwscreen->format->Bmask, - _hwscreen->format->Amask); - - if (_overlayscreen == NULL) - error("allocating _overlayscreen failed"); - - _tmpscreen2 = SDL_CreateRGBSurface(SDL_SWSURFACE, _overlayWidth + 3, _overlayHeight + 3, - 16, - _hwscreen->format->Rmask, - _hwscreen->format->Gmask, - _hwscreen->format->Bmask, - _hwscreen->format->Amask); - - if (_tmpscreen2 == NULL) - error("allocating _tmpscreen2 failed"); - -#ifdef USE_OSD - _osdSurface = SDL_CreateRGBSurface(SDL_SWSURFACE | SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, - _hwscreen->w, - _hwscreen->h, - 16, - _hwscreen->format->Rmask, - _hwscreen->format->Gmask, - _hwscreen->format->Bmask, - _hwscreen->format->Amask); - if (_osdSurface == NULL) - error("allocating _osdSurface failed"); - SDL_SetColorKey(_osdSurface, SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, kOSDColorKey); -#endif - - // keyboard cursor control, some other better place for it? - _km.x_max = _screenWidth * _scaleFactor - 1; - _km.y_max = effectiveScreenHeight() - 1; - _km.delay_time = 25; - _km.last_time = 0; -} - -void OSystem_SDL::unloadGFXMode() { - if (_screen) { - SDL_FreeSurface(_screen); - _screen = NULL; - } - - if (_hwscreen) { - SDL_FreeSurface(_hwscreen); - _hwscreen = NULL; - } - - if (_tmpscreen) { - SDL_FreeSurface(_tmpscreen); - _tmpscreen = NULL; - } - - if (_tmpscreen2) { - SDL_FreeSurface(_tmpscreen2); - _tmpscreen2 = NULL; - } - - if (_overlayscreen) { - SDL_FreeSurface(_overlayscreen); - _overlayscreen = NULL; - } - -#ifdef USE_OSD - if (_osdSurface) { - SDL_FreeSurface(_osdSurface); - _osdSurface = NULL; - } -#endif -} - -void OSystem_SDL::hotswapGFXMode() { - if (!_screen) - return; - - // Keep around the old _screen & _overlayscreen so we can restore the screen data - // after the mode switch. - SDL_Surface *old_screen = _screen; - SDL_Surface *old_overlayscreen = _overlayscreen; - - // Release the HW screen surface - SDL_FreeSurface(_hwscreen); - - SDL_FreeSurface(_tmpscreen); - SDL_FreeSurface(_tmpscreen2); - -#ifdef USE_OSD - // Release the OSD surface - SDL_FreeSurface(_osdSurface); -#endif - - // Setup the new GFX mode - loadGFXMode(); - - // reset palette - SDL_SetColors(_screen, _currentPalette, 0, 256); - - // Restore old screen content - SDL_BlitSurface(old_screen, NULL, _screen, NULL); - SDL_BlitSurface(old_overlayscreen, NULL, _overlayscreen, NULL); - - // Free the old surfaces - SDL_FreeSurface(old_screen); - SDL_FreeSurface(old_overlayscreen); - - // Update cursor to new scale - blitCursor(); - - // Blit everything to the screen - internUpdateScreen(); - - // Make sure that an EVENT_SCREEN_CHANGED gets sent later - _modeChanged = true; -} - -void OSystem_SDL::updateScreen() { - assert (_transactionMode == kTransactionNone); - - Common::StackLock lock(_graphicsMutex); // Lock the mutex until this function ends - - internUpdateScreen(); -} - -void OSystem_SDL::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, _screenWidth * _scaleFactor, _newShakePos * _scaleFactor}; - - if (_adjustAspectRatio && !_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 (_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 = _screenWidth; - height = _screenHeight; - scalerProc = _scalerProc; - scale1 = _scaleFactor; - } else { - origSurf = _overlayscreen; - srcSurf = _tmpscreen2; - width = _overlayWidth; - height = _overlayHeight; - scalerProc = Normal1x; - - scale1 = 1; - } - - // 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; - } else - undrawMouse(); - - // Only draw anything if necessary - if (_numDirtyRects > 0) { - - SDL_Rect *r; - SDL_Rect dst; - uint32 srcPitch, dstPitch; - SDL_Rect *lastRect = _dirtyRectList + _numDirtyRects; - - if (scalerProc == Normal1x && !_adjustAspectRatio && 0) { - for (r = _dirtyRectList; r != lastRect; ++r) { - dst = *r; - - dst.y += _currentShakePos; - if (SDL_BlitSurface(origSurf, r, _hwscreen, &dst) != 0) - error("SDL_BlitSurface failed: %s", SDL_GetError()); - } - } else { - for (r = _dirtyRectList; r != lastRect; ++r) { - dst = *r; - dst.x++; // Shift rect by one since 2xSai needs to acces 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 orig_dst_y = 0; - register int rx1 = r->x * scale1; - - if (dst_y < height) { - dst_h = r->h; - if (dst_h > height - dst_y) - dst_h = height - dst_y; - - orig_dst_y = dst_y; - dst_y = dst_y * scale1; - - if (_adjustAspectRatio && !_overlayVisible) - dst_y = real2Aspect(dst_y); - - assert(scalerProc != NULL); - scalerProc((byte *)srcSurf->pixels + (r->x * 2 + 2) + (r->y + 1) * srcPitch, srcPitch, - (byte *)_hwscreen->pixels + rx1 * 2 + dst_y * dstPitch, dstPitch, r->w, dst_h); - } - - r->x = rx1; - r->y = dst_y; - r->w = r->w * scale1; - r->h = dst_h * scale1; - -#ifndef DISABLE_SCALERS - if (_adjustAspectRatio && 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 = 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); - } else { - drawMouse(); - if (_numDirtyRects) - SDL_UpdateRects(_hwscreen, _numDirtyRects, _dirtyRectList); - } - - _numDirtyRects = 0; - _forceFull = false; -} - -bool OSystem_SDL::saveScreenshot(const char *filename) { - assert(_hwscreen != NULL); - - Common::StackLock lock(_graphicsMutex); // Lock the mutex until this function ends - return SDL_SaveBMP(_hwscreen, filename) == 0; -} - -void OSystem_SDL::setFullscreenMode(bool enable) { - Common::StackLock lock(_graphicsMutex); - - if (_fullscreen != enable || _transactionMode == kTransactionCommit) { - assert(_hwscreen != 0); - _fullscreen = enable; - - if (_transactionMode == kTransactionActive) { - _transactionDetails.fs = enable; - _transactionDetails.fsChanged = true; - - _transactionDetails.needHotswap = true; - - return; - } - -#if (defined(MACOSX) && !SDL_VERSION_ATLEAST(1, 2, 6)) || defined(__MAEMO__) - // On OS X, SDL_WM_ToggleFullScreen is currently not implemented. Worse, - // before SDL 1.2.6 it always returned -1 (which would indicate a - // successful switch). So we simply don't call it at all and use - // hotswapGFXMode() directly to switch to fullscreen mode. - hotswapGFXMode(); -#else - if (!SDL_WM_ToggleFullScreen(_hwscreen)) { - // if ToggleFullScreen fails, achieve the same effect with hotswap gfx mode - hotswapGFXMode(); - } else { - // Blit everything to the screen - internUpdateScreen(); - - // Make sure that an EVENT_SCREEN_CHANGED gets sent later - _modeChanged = true; - } -#endif - } -} - -void OSystem_SDL::setAspectRatioCorrection(bool enable) { - if ((_screenHeight == 200 && _adjustAspectRatio != enable) || - _transactionMode == kTransactionCommit) { - Common::StackLock lock(_graphicsMutex); - - //assert(_hwscreen != 0); - _adjustAspectRatio = enable; - - if (_transactionMode == kTransactionActive) { - _transactionDetails.ar = enable; - _transactionDetails.arChanged = true; - - _transactionDetails.needHotswap = true; - - return; - } else { - if (_transactionMode != kTransactionCommit) - hotswapGFXMode(); - } - - // Make sure that an EVENT_SCREEN_CHANGED gets sent later - _modeChanged = true; - } -} - -void OSystem_SDL::clearScreen() { - assert (_transactionMode == kTransactionNone); - - // Try to lock the screen surface - if (SDL_LockSurface(_screen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - byte *dst = (byte *)_screen->pixels; - - // Clear the screen - memset(dst, 0, _screenWidth * _screenHeight); - - // Unlock the screen surface - SDL_UnlockSurface(_screen); -} - -void OSystem_SDL::copyRectToScreen(const byte *src, int pitch, int x, int y, int w, int h) { - assert (_transactionMode == kTransactionNone); - assert(src); - - if (_screen == NULL) - return; - - Common::StackLock lock(_graphicsMutex); // Lock the mutex until this function ends - - assert(x >= 0 && x < _screenWidth); - assert(y >= 0 && y < _screenHeight); - assert(h > 0 && y + h <= _screenHeight); - assert(w > 0 && x + w <= _screenWidth); - - if (((long)src & 3) == 0 && pitch == _screenWidth && x == 0 && y == 0 && - w == _screenWidth && h == _screenHeight && _modeFlags & DF_WANT_RECT_OPTIM) { - /* Special, optimized case for full screen updates. - * It tries to determine what areas were actually changed, - * and just updates those, on the actual display. */ - addDirtyRgnAuto(src); - } else { - /* Clip the coordinates */ - if (x < 0) { - w += x; - src -= x; - x = 0; - } - - if (y < 0) { - h += y; - src -= y * pitch; - y = 0; - } - - if (w > _screenWidth - x) { - w = _screenWidth - x; - } - - if (h > _screenHeight - y) { - h = _screenHeight - y; - } - - if (w <= 0 || h <= 0) - return; - - _cksumValid = false; - addDirtyRect(x, y, w, h); - } - - // Try to lock the screen surface - if (SDL_LockSurface(_screen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - byte *dst = (byte *)_screen->pixels + y * _screenWidth + x; - - if (_screenWidth == pitch && pitch == w) { - memcpy(dst, src, h*w); - } else { - do { - memcpy(dst, src, w); - src += pitch; - dst += _screenWidth; - } while (--h); - } - - // Unlock the screen surface - SDL_UnlockSurface(_screen); -} - -bool OSystem_SDL::grabRawScreen(Graphics::Surface *surf) { - assert(_screen); - assert(surf); - - Common::StackLock lock(_graphicsMutex); // Lock the mutex until this function ends - - surf->create(_screenWidth, _screenHeight, _screen->format->BytesPerPixel); - - // Try to lock the screen surface - if (SDL_LockSurface(_screen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - memcpy(surf->pixels, _screen->pixels, _screenWidth * _screenHeight * _screen->format->BytesPerPixel); - - // Unlock the screen surface - SDL_UnlockSurface(_screen); - - return true; -} - -void OSystem_SDL::addDirtyRect(int x, int y, int w, int h, bool realCoordinates) { - if (_forceFull) - return; - - if (_numDirtyRects == NUM_DIRTY_RECT) { - _forceFull = true; - return; - } - - int height, width; - - if (!_overlayVisible && !realCoordinates) { - width = _screenWidth; - height = _screenHeight; - } else { - width = _overlayWidth; - height = _overlayHeight; - } - - // Extend the dirty region by 1 pixel for scalers - // that "smear" the screen, e.g. 2xSAI - if ((_modeFlags & DF_UPDATE_EXPAND_1_PIXEL) && !realCoordinates) { - x--; - y--; - w+=2; - h+=2; - } - - // clip - if (x < 0) { - w += x; - x = 0; - } - - if (y < 0) { - h += y; - y=0; - } - - if (w > width - x) { - w = width - x; - } - - if (h > height - y) { - h = height - y; - } - -#ifndef DISABLE_SCALERS - if (_adjustAspectRatio && !_overlayVisible && !realCoordinates) { - makeRectStretchable(x, y, w, h); - } -#endif - - if (w == width && h == height) { - _forceFull = true; - return; - } - - if (w > 0 && h > 0) { - SDL_Rect *r = &_dirtyRectList[_numDirtyRects++]; - - r->x = x; - r->y = y; - r->w = w; - r->h = h; - } -} - - -void OSystem_SDL::makeChecksums(const byte *buf) { - assert(buf); - uint32 *sums = _dirtyChecksums; - uint x,y; - const uint last_x = (uint)_screenWidth / 8; - const uint last_y = (uint)_screenHeight / 8; - - const uint BASE = 65521; /* largest prime smaller than 65536 */ - - /* the 8x8 blocks in buf are enumerated starting in the top left corner and - * reading each line at a time from left to right */ - for(y = 0; y != last_y; y++, buf += _screenWidth * (8 - 1)) - for(x = 0; x != last_x; x++, buf += 8) { - // Adler32 checksum algorithm (from RFC1950, used by gzip and zlib). - // This computes the Adler32 checksum of a 8x8 pixel block. Note - // that we can do the modulo operation (which is the slowest part) - // of the algorithm) at the end, instead of doing each iteration, - // since we only have 64 iterations in total - and thus s1 and - // s2 can't overflow anyway. - uint32 s1 = 1; - uint32 s2 = 0; - const byte *ptr = buf; - for (int subY = 0; subY < 8; subY++) { - for (int subX = 0; subX < 8; subX++) { - s1 += ptr[subX]; - s2 += s1; - } - ptr += _screenWidth; - } - - s1 %= BASE; - s2 %= BASE; - - /* output the checksum for this block */ - *sums++ = (s2 << 16) + s1; - } -} - -void OSystem_SDL::addDirtyRgnAuto(const byte *buf) { - assert(buf); - assert(((long)buf & 3) == 0); - - /* generate a table of the checksums */ - makeChecksums(buf); - - if (!_cksumValid) { - _forceFull = true; - _cksumValid = true; - } - - /* go through the checksum list, compare it with the previous checksums, - and add all dirty rectangles to a list. try to combine small rectangles - into bigger ones in a simple way */ - if (!_forceFull) { - int x, y, w; - uint32 *ck = _dirtyChecksums; - - for(y = 0; y != _screenHeight / 8; y++) { - for(x = 0; x != _screenWidth / 8; x++, ck++) { - if (ck[0] != ck[_cksumNum]) { - /* found a dirty 8x8 block, now go as far to the right as possible, - and at the same time, unmark the dirty status by setting old to new. */ - w=0; - do { - ck[w + _cksumNum] = ck[w]; - w++; - } while (x + w != _screenWidth / 8 && ck[w] != ck[w + _cksumNum]); - - addDirtyRect(x * 8, y * 8, w * 8, 8); - - if (_forceFull) - goto get_out; - } - } - } - } else { - get_out:; - /* Copy old checksums to new */ - memcpy(_dirtyChecksums + _cksumNum, _dirtyChecksums, _cksumNum * sizeof(uint32)); - } -} - -int16 OSystem_SDL::getHeight() { - return _screenHeight; -} - -int16 OSystem_SDL::getWidth() { - return _screenWidth; -} - -void OSystem_SDL::setPalette(const byte *colors, uint start, uint num) { - assert(colors); - const byte *b = colors; - uint i; - SDL_Color *base = _currentPalette + start; - for (i = 0; i < num; i++) { - base[i].r = b[0]; - base[i].g = b[1]; - base[i].b = b[2]; - b += 4; - } - - if (start < _paletteDirtyStart) - _paletteDirtyStart = start; - - if (start + num > _paletteDirtyEnd) - _paletteDirtyEnd = start + num; - - // Some games blink cursors with palette - if (_cursorPaletteDisabled) - blitCursor(); -} - -void OSystem_SDL::grabPalette(byte *colors, uint start, uint num) { - assert(colors); - const SDL_Color *base = _currentPalette + start; - - for (uint i = 0; i < num; ++i) { - colors[i * 4] = base[i].r; - colors[i * 4 + 1] = base[i].g; - colors[i * 4 + 2] = base[i].b; - colors[i * 4 + 3] = 0xFF; - } -} - -void OSystem_SDL::setCursorPalette(const byte *colors, uint start, uint num) { - assert(colors); - const byte *b = colors; - uint i; - SDL_Color *base = _cursorPalette + start; - for (i = 0; i < num; i++) { - base[i].r = b[0]; - base[i].g = b[1]; - base[i].b = b[2]; - b += 4; - } - - _cursorPaletteDisabled = false; - - blitCursor(); -} - -void OSystem_SDL::setShakePos(int shake_pos) { - assert (_transactionMode == kTransactionNone); - - _newShakePos = shake_pos; -} - - -#pragma mark - -#pragma mark --- Overlays --- -#pragma mark - - -void OSystem_SDL::showOverlay() { - assert (_transactionMode == kTransactionNone); - - int x, y; - - if (_overlayVisible) - return; - - _overlayVisible = true; - - // Since resolution could change, put mouse to adjusted position - // Fixes bug #1349059 - x = _mouseCurState.x * _scaleFactor; - if (_adjustAspectRatio) - y = real2Aspect(_mouseCurState.y) * _scaleFactor; - else - y = _mouseCurState.y * _scaleFactor; - - warpMouse(x, y); - - clearOverlay(); -} - -void OSystem_SDL::hideOverlay() { - assert (_transactionMode == kTransactionNone); - - if (!_overlayVisible) - return; - - int x, y; - - _overlayVisible = false; - - // Since resolution could change, put mouse to adjusted position - // Fixes bug #1349059 - x = _mouseCurState.x / _scaleFactor; - y = _mouseCurState.y / _scaleFactor; - if (_adjustAspectRatio) - y = aspect2Real(y); - - warpMouse(x, y); - - clearOverlay(); - - _forceFull = true; -} - -void OSystem_SDL::clearOverlay() { - //assert (_transactionMode == kTransactionNone); - - Common::StackLock lock(_graphicsMutex); // Lock the mutex until this function ends - - if (!_overlayVisible) - return; - - // Clear the overlay by making the game screen "look through" everywhere. - SDL_Rect src, dst; - src.x = src.y = 0; - dst.x = dst.y = 1; - src.w = dst.w = _screenWidth; - src.h = dst.h = _screenHeight; - if (SDL_BlitSurface(_screen, &src, _tmpscreen, &dst) != 0) - error("SDL_BlitSurface failed: %s", SDL_GetError()); - - SDL_LockSurface(_tmpscreen); - SDL_LockSurface(_overlayscreen); - _scalerProc((byte *)(_tmpscreen->pixels) + _tmpscreen->pitch + 2, _tmpscreen->pitch, - (byte *)_overlayscreen->pixels, _overlayscreen->pitch, _screenWidth, _screenHeight); - -#ifndef DISABLE_SCALERS - if (_adjustAspectRatio) - stretch200To240((uint8 *)_overlayscreen->pixels, _overlayscreen->pitch, - _overlayWidth, _screenHeight * _scaleFactor, 0, 0, 0); -#endif - SDL_UnlockSurface(_tmpscreen); - SDL_UnlockSurface(_overlayscreen); - - _forceFull = true; -} - -void OSystem_SDL::grabOverlay(OverlayColor *buf, int pitch) { - assert (_transactionMode == kTransactionNone); - - if (_overlayscreen == NULL) - return; - - if (SDL_LockSurface(_overlayscreen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - byte *src = (byte *)_overlayscreen->pixels; - int h = _overlayHeight; - do { - memcpy(buf, src, _overlayWidth * 2); - src += _overlayscreen->pitch; - buf += pitch; - } while (--h); - - SDL_UnlockSurface(_overlayscreen); -} - -void OSystem_SDL::copyRectToOverlay(const OverlayColor *buf, int pitch, int x, int y, int w, int h) { - assert (_transactionMode == kTransactionNone); - - if (_overlayscreen == NULL) - return; - - // Clip the coordinates - if (x < 0) { - w += x; - buf -= x; - x = 0; - } - - if (y < 0) { - h += y; buf -= y * pitch; - y = 0; - } - - if (w > _overlayWidth - x) { - w = _overlayWidth - x; - } - - if (h > _overlayHeight - y) { - h = _overlayHeight - y; - } - - if (w <= 0 || h <= 0) - return; - - // Mark the modified region as dirty - _cksumValid = false; - addDirtyRect(x, y, w, h); - - if (SDL_LockSurface(_overlayscreen) == -1) - error("SDL_LockSurface failed: %s", SDL_GetError()); - - byte *dst = (byte *)_overlayscreen->pixels + y * _overlayscreen->pitch + x * 2; - do { - memcpy(dst, buf, w * 2); - dst += _overlayscreen->pitch; - buf += pitch; - } while (--h); - - SDL_UnlockSurface(_overlayscreen); -} - -OverlayColor OSystem_SDL::RGBToColor(uint8 r, uint8 g, uint8 b) { - return SDL_MapRGB(_overlayscreen->format, r, g, b); -} - -void OSystem_SDL::colorToRGB(OverlayColor color, uint8 &r, uint8 &g, uint8 &b) { - SDL_GetRGB(color, _overlayscreen->format, &r, &g, &b); -} - - -#pragma mark - -#pragma mark --- Mouse --- -#pragma mark - - -bool OSystem_SDL::showMouse(bool visible) { - if (_mouseVisible == visible) - return visible; - - bool last = _mouseVisible; - _mouseVisible = visible; - - return last; -} - -void OSystem_SDL::setMousePos(int x, int y) { - if (x != _mouseCurState.x || y != _mouseCurState.y) { - _mouseCurState.x = x; - _mouseCurState.y = y; - } -} - -void OSystem_SDL::warpMouse(int x, int y) { - int y1 = y; - - if (_adjustAspectRatio && !_overlayVisible) - y1 = real2Aspect(y); - - if (_mouseCurState.x != x || _mouseCurState.y != y) { - if (!_overlayVisible) - SDL_WarpMouse(x * _scaleFactor, y1 * _scaleFactor); - else - SDL_WarpMouse(x, y1); - - // SDL_WarpMouse() generates a mouse movement event, so - // setMousePos() would be called eventually. However, the - // cannon script in CoMI calls this function twice each time - // the cannon is reloaded. Unless we update the mouse position - // immediately the second call is ignored, causing the cannon - // to change its aim. - - setMousePos(x, y); - } -} - -void OSystem_SDL::setMouseCursor(const byte *buf, uint w, uint h, int hotspot_x, int hotspot_y, byte keycolor, int cursorTargetScale) { - if (w == 0 || h == 0) - return; - - _mouseCurState.hotX = hotspot_x; - _mouseCurState.hotY = hotspot_y; - - _mouseKeyColor = keycolor; - - _cursorTargetScale = cursorTargetScale; - - if (_mouseCurState.w != (int)w || _mouseCurState.h != (int)h) { - _mouseCurState.w = w; - _mouseCurState.h = h; - - if (_mouseOrigSurface) - SDL_FreeSurface(_mouseOrigSurface); - - // Allocate bigger surface because AdvMame2x adds black pixel at [0,0] - _mouseOrigSurface = SDL_CreateRGBSurface(SDL_SWSURFACE | SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, - _mouseCurState.w + 2, - _mouseCurState.h + 2, - 16, - _hwscreen->format->Rmask, - _hwscreen->format->Gmask, - _hwscreen->format->Bmask, - _hwscreen->format->Amask); - - if (_mouseOrigSurface == NULL) - error("allocating _mouseOrigSurface failed"); - SDL_SetColorKey(_mouseOrigSurface, SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, kMouseColorKey); - } - - free(_mouseData); - - _mouseData = (byte *)malloc(w * h); - memcpy(_mouseData, buf, w * h); - blitCursor(); -} - -void OSystem_SDL::blitCursor() { - byte *dstPtr; - const byte *srcPtr = _mouseData; - byte color; - int w, h, i, j; - - if (!_mouseOrigSurface || !_mouseData) - return; - - w = _mouseCurState.w; - h = _mouseCurState.h; - - SDL_LockSurface(_mouseOrigSurface); - - // Make whole surface transparent - for (i = 0; i < h + 2; i++) { - dstPtr = (byte *)_mouseOrigSurface->pixels + _mouseOrigSurface->pitch * i; - for (j = 0; j < w + 2; j++) { - *(uint16 *)dstPtr = kMouseColorKey; - dstPtr += 2; - } - } - - // Draw from [1,1] since AdvMame2x adds artefact at 0,0 - dstPtr = (byte *)_mouseOrigSurface->pixels + _mouseOrigSurface->pitch + 2; - - SDL_Color *palette; - - if (_cursorPaletteDisabled) - palette = _currentPalette; - else - palette = _cursorPalette; - - for (i = 0; i < h; i++) { - for (j = 0; j < w; j++) { - color = *srcPtr; - if (color != _mouseKeyColor) { // transparent, don't draw - *(uint16 *)dstPtr = SDL_MapRGB(_mouseOrigSurface->format, - palette[color].r, palette[color].g, palette[color].b); - } - dstPtr += 2; - srcPtr++; - } - dstPtr += _mouseOrigSurface->pitch - w * 2; - } - - int rW, rH; - - if (_cursorTargetScale >= _scaleFactor) { - // The cursor target scale is greater or equal to the scale at - // which the rest of the screen is drawn. We do not downscale - // the cursor image, we draw it at its original size. It will - // appear too large on screen. - - rW = w; - rH = h; - _mouseCurState.rHotX = _mouseCurState.hotX; - _mouseCurState.rHotY = _mouseCurState.hotY; - - // The virtual dimensions may be larger than the original. - - _mouseCurState.vW = w * _cursorTargetScale / _scaleFactor; - _mouseCurState.vH = h * _cursorTargetScale / _scaleFactor; - _mouseCurState.vHotX = _mouseCurState.hotX * _cursorTargetScale / - _scaleFactor; - _mouseCurState.vHotY = _mouseCurState.hotY * _cursorTargetScale / - _scaleFactor; - } else { - // The cursor target scale is smaller than the scale at which - // the rest of the screen is drawn. We scale up the cursor - // image to make it appear correct. - - rW = w * _scaleFactor / _cursorTargetScale; - rH = h * _scaleFactor / _cursorTargetScale; - _mouseCurState.rHotX = _mouseCurState.hotX * _scaleFactor / - _cursorTargetScale; - _mouseCurState.rHotY = _mouseCurState.hotY * _scaleFactor / - _cursorTargetScale; - - // The virtual dimensions will be the same as the original. - - _mouseCurState.vW = w; - _mouseCurState.vH = h; - _mouseCurState.vHotX = _mouseCurState.hotX; - _mouseCurState.vHotY = _mouseCurState.hotY; - } - - int rH1 = rH; // store original to pass to aspect-correction function later - if (_adjustAspectRatio && _cursorTargetScale == 1) { - rH = real2Aspect(rH - 1) + 1; - _mouseCurState.rHotY = real2Aspect(_mouseCurState.rHotY); - } - - if (_mouseCurState.rW != rW || _mouseCurState.rH != rH) { - _mouseCurState.rW = rW; - _mouseCurState.rH = rH; - - if (_mouseSurface) - SDL_FreeSurface(_mouseSurface); - - _mouseSurface = SDL_CreateRGBSurface(SDL_SWSURFACE | SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, - _mouseCurState.rW, - _mouseCurState.rH, - 16, - _hwscreen->format->Rmask, - _hwscreen->format->Gmask, - _hwscreen->format->Bmask, - _hwscreen->format->Amask); - - if (_mouseSurface == NULL) - error("allocating _mouseSurface failed"); - - SDL_SetColorKey(_mouseSurface, SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, kMouseColorKey); - } - - SDL_LockSurface(_mouseSurface); - - ScalerProc *scalerProc; - - // If possible, use the same scaler for the cursor as for the rest of - // the game. This only works well with the non-blurring scalers so we - // actually only use the 1x, 1.5x, 2x and AdvMame scalers. - - if (_cursorTargetScale == 1 && (_mode == GFX_DOUBLESIZE || _mode == GFX_TRIPLESIZE)) - scalerProc = _scalerProc; - else - scalerProc = scalersMagn[_cursorTargetScale - 1][_scaleFactor - 1]; - - scalerProc((byte *)_mouseOrigSurface->pixels + _mouseOrigSurface->pitch + 2, - _mouseOrigSurface->pitch, (byte *)_mouseSurface->pixels, _mouseSurface->pitch, - _mouseCurState.w, _mouseCurState.h); - -#ifndef DISABLE_SCALERS - if (_adjustAspectRatio && _cursorTargetScale == 1) - cursorStretch200To240((uint8 *)_mouseSurface->pixels, _mouseSurface->pitch, rW, rH1, 0, 0, 0); -#endif - - SDL_UnlockSurface(_mouseSurface); - SDL_UnlockSurface(_mouseOrigSurface); -} - -#ifndef DISABLE_SCALERS -// Basically it is kVeryFastAndUglyAspectMode of stretch200To240 from -// common/scale/aspect.cpp -static int cursorStretch200To240(uint8 *buf, uint32 pitch, int width, int height, int srcX, int srcY, int origSrcY) { - int maxDstY = real2Aspect(origSrcY + height - 1); - int y; - const uint8 *startSrcPtr = buf + srcX * 2 + (srcY - origSrcY) * pitch; - uint8 *dstPtr = buf + srcX * 2 + maxDstY * pitch; - - for (y = maxDstY; y >= srcY; y--) { - const uint8 *srcPtr = startSrcPtr + aspect2Real(y) * pitch; - - if (srcPtr == dstPtr) - break; - memcpy(dstPtr, srcPtr, width * 2); - dstPtr -= pitch; - } - - return 1 + maxDstY - srcY; -} -#endif - -void OSystem_SDL::toggleMouseGrab() { - if (SDL_WM_GrabInput(SDL_GRAB_QUERY) == SDL_GRAB_OFF) - SDL_WM_GrabInput(SDL_GRAB_ON); - else - SDL_WM_GrabInput(SDL_GRAB_OFF); -} - -void OSystem_SDL::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 >= _screenWidth || y >= _screenHeight)) { - return; - } - - if (_mouseBackup.w != 0 && _mouseBackup.h != 0) - addDirtyRect(x, y, _mouseBackup.w, _mouseBackup.h); -} - -void OSystem_SDL::drawMouse() { - if (!_mouseVisible || !_mouseSurface) { - _mouseBackup.x = _mouseBackup.y = _mouseBackup.w = _mouseBackup.h = 0; - return; - } - - SDL_Rect dst; - int scale; - int width, height; - int hotX, hotY; - - dst.x = _mouseCurState.x; - dst.y = _mouseCurState.y; - - if (!_overlayVisible) { - scale = _scaleFactor; - width = _screenWidth; - height = _screenHeight; - dst.w = _mouseCurState.vW; - dst.h = _mouseCurState.vH; - hotX = _mouseCurState.vHotX; - hotY = _mouseCurState.vHotY; - } else { - scale = 1; - width = _overlayWidth; - height = _overlayHeight; - 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 (_adjustAspectRatio && !_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); -} - -#pragma mark - -#pragma mark --- On Screen Display --- -#pragma mark - - -#ifdef USE_OSD -void OSystem_SDL::displayMessageOnOSD(const char *msg) { - assert (_transactionMode == kTransactionNone); - assert(msg); - - uint i; - - // Lock the OSD surface for drawing - if (SDL_LockSurface(_osdSurface)) - error("displayMessageOnOSD: SDL_LockSurface failed: %s", SDL_GetError()); - - Graphics::Surface dst; - dst.pixels = _osdSurface->pixels; - dst.w = _osdSurface->w; - dst.h = _osdSurface->h; - dst.pitch = _osdSurface->pitch; - dst.bytesPerPixel = _osdSurface->format->BytesPerPixel; - - // The font we are going to use: - const Graphics::Font *font = FontMan.getFontByUsage(Graphics::FontManager::kOSDFont); - - // Clear everything with the "transparent" color, i.e. the colorkey - SDL_FillRect(_osdSurface, 0, kOSDColorKey); - - // Split the message into separate lines. - Common::StringList lines; - const char *ptr; - for (ptr = msg; *ptr; ++ptr) { - if (*ptr == '\n') { - lines.push_back(Common::String(msg, ptr - msg)); - msg = ptr + 1; - } - } - lines.push_back(Common::String(msg, ptr - msg)); - - // Determine a rect which would contain the message string (clipped to the - // screen dimensions). - const int vOffset = 6; - const int lineSpacing = 1; - const int lineHeight = font->getFontHeight() + 2 * lineSpacing; - int width = 0; - int height = lineHeight * lines.size() + 2 * vOffset; - for (i = 0; i < lines.size(); i++) { - width = MAX(width, font->getStringWidth(lines[i]) + 14); - } - - // Clip the rect - if (width > dst.w) - width = dst.w; - if (height > dst.h) - height = dst.h; - - // Draw a dark gray rect - // TODO: Rounded corners ? Border? - SDL_Rect osdRect; - osdRect.x = (dst.w - width) / 2; - osdRect.y = (dst.h - height) / 2; - osdRect.w = width; - osdRect.h = height; - SDL_FillRect(_osdSurface, &osdRect, SDL_MapRGB(_osdSurface->format, 64, 64, 64)); - - // Render the message, centered, and in white - for (i = 0; i < lines.size(); i++) { - font->drawString(&dst, lines[i], - osdRect.x, osdRect.y + i * lineHeight + vOffset + lineSpacing, osdRect.w, - SDL_MapRGB(_osdSurface->format, 255, 255, 255), - Graphics::kTextAlignCenter); - } - - // Finished drawing, so unlock the OSD surface again - SDL_UnlockSurface(_osdSurface); - - // Init the OSD display parameters, and the fade out - _osdAlpha = SDL_ALPHA_TRANSPARENT + kOSDInitialAlpha * (SDL_ALPHA_OPAQUE - SDL_ALPHA_TRANSPARENT) / 100; - _osdFadeStartTime = SDL_GetTicks() + kOSDFadeOutDelay; - SDL_SetAlpha(_osdSurface, SDL_RLEACCEL | SDL_SRCCOLORKEY | SDL_SRCALPHA, _osdAlpha); - - // Ensure a full redraw takes place next time the screen is updated - _forceFull = true; -} -#endif - - -#pragma mark - -#pragma mark --- Misc --- -#pragma mark - - -void OSystem_SDL::handleScalerHotkeys(const SDL_KeyboardEvent &key) { - // Ctrl-Alt-a toggles aspect ratio correction - if (key.keysym.sym == 'a') { - setFeatureState(kFeatureAspectRatioCorrection, !_adjustAspectRatio); -#ifdef USE_OSD - char buffer[128]; - if (_adjustAspectRatio) - sprintf(buffer, "Enabled aspect ratio correction\n%d x %d -> %d x %d", - _screenWidth, _screenHeight, - _hwscreen->w, _hwscreen->h - ); - else - sprintf(buffer, "Disabled aspect ratio correction\n%d x %d -> %d x %d", - _screenWidth, _screenHeight, - _hwscreen->w, _hwscreen->h - ); - displayMessageOnOSD(buffer); -#endif - - return; - } - - int newMode = -1; - int factor = _scaleFactor - 1; - - // Increase/decrease the scale factor - if (key.keysym.sym == SDLK_EQUALS || key.keysym.sym == SDLK_PLUS || key.keysym.sym == SDLK_MINUS || - key.keysym.sym == SDLK_KP_PLUS || key.keysym.sym == SDLK_KP_MINUS) { - factor += (key.keysym.sym == SDLK_MINUS || key.keysym.sym == SDLK_KP_MINUS) ? -1 : +1; - if (0 <= factor && factor <= 3) { - newMode = s_gfxModeSwitchTable[_scalerType][factor]; - } - } - - const bool isNormalNumber = (SDLK_1 <= key.keysym.sym && key.keysym.sym <= SDLK_9); - const bool isKeypadNumber = (SDLK_KP1 <= key.keysym.sym && key.keysym.sym <= SDLK_KP9); - if (isNormalNumber || isKeypadNumber) { - _scalerType = key.keysym.sym - (isNormalNumber ? SDLK_1 : SDLK_KP1); - if (_scalerType >= ARRAYSIZE(s_gfxModeSwitchTable)) - return; - - while (s_gfxModeSwitchTable[_scalerType][factor] < 0) { - assert(factor > 0); - factor--; - } - newMode = s_gfxModeSwitchTable[_scalerType][factor]; - } - - if (newMode >= 0) { - setGraphicsMode(newMode); -#ifdef USE_OSD - if (_osdSurface) { - const char *newScalerName = 0; - const GraphicsMode *g = getSupportedGraphicsModes(); - while (g->name) { - if (g->id == _mode) { - newScalerName = g->description; - break; - } - g++; - } - if (newScalerName) { - char buffer[128]; - sprintf(buffer, "Active graphics filter: %s\n%d x %d -> %d x %d", - newScalerName, - _screenWidth, _screenHeight, - _hwscreen->w, _hwscreen->h - ); - displayMessageOnOSD(buffer); - } - } -#endif - - } - -} |