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authorAlejandro Marzini2010-06-30 04:46:55 +0000
committerAlejandro Marzini2010-06-30 04:46:55 +0000
commitc174d5327bfaf55d998cf67f3e4f49a0eaf2ed39 (patch)
treeb642082f28dd9de53c95f64aba19a4a789bd2bfc /backends/platform/gp2xwiz/gp2xwiz-graphics.cpp
parentafd2a2c01d4bf3686a54c631d1cd4228ba1d710c (diff)
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Modularized GP2XWIZ backend.
svn-id: r50514
Diffstat (limited to 'backends/platform/gp2xwiz/gp2xwiz-graphics.cpp')
-rw-r--r--backends/platform/gp2xwiz/gp2xwiz-graphics.cpp446
1 files changed, 0 insertions, 446 deletions
diff --git a/backends/platform/gp2xwiz/gp2xwiz-graphics.cpp b/backends/platform/gp2xwiz/gp2xwiz-graphics.cpp
deleted file mode 100644
index 6abddd52f3..0000000000
--- a/backends/platform/gp2xwiz/gp2xwiz-graphics.cpp
+++ /dev/null
@@ -1,446 +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/gp2xwiz/gp2xwiz-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_GP2XWIZ::getSupportedGraphicsModes() const {
- return s_supportedGraphicsModes;
-}
-
-int OSystem_GP2XWIZ::getDefaultGraphicsMode() const {
- return GFX_NORMAL;
-}
-
-bool OSystem_GP2XWIZ::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_GP2XWIZ::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_GP2XWIZ::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_GP2XWIZ::loadGFXMode() {
- _videoMode.overlayWidth = 320;
- _videoMode.overlayHeight = 240;
- _videoMode.fullscreen = true;
-
- if (_videoMode.screenHeight != 200 && _videoMode.screenHeight != 400)
- _videoMode.aspectRatioCorrection = false;
-
- OSystem_SDL::loadGFXMode();
-}
-
-void OSystem_GP2XWIZ::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_GP2XWIZ::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_GP2XWIZ::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++;
- }
- 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_GP2XWIZ::showOverlay() {
- if (_videoMode.mode == GFX_HALF){
- _mouseCurState.x = _mouseCurState.x / 2;
- _mouseCurState.y = _mouseCurState.y / 2;
- }
- OSystem_SDL::showOverlay();
-}
-
-void OSystem_GP2XWIZ::hideOverlay() {
- if (_videoMode.mode == GFX_HALF){
- _mouseCurState.x = _mouseCurState.x * 2;
- _mouseCurState.y = _mouseCurState.y * 2;
- }
- OSystem_SDL::hideOverlay();
-}
-
-void OSystem_GP2XWIZ::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);
-}