diff options
Diffstat (limited to 'src/graphics.cpp')
| -rw-r--r-- | src/graphics.cpp | 737 |
1 files changed, 12 insertions, 725 deletions
diff --git a/src/graphics.cpp b/src/graphics.cpp index a14d630bf..f32d35f3e 100644 --- a/src/graphics.cpp +++ b/src/graphics.cpp @@ -50,12 +50,6 @@ #endif #endif -#if SDL_BYTEORDER == SDL_LIL_ENDIAN -static unsigned int *cR = nullptr; -static unsigned int *cG = nullptr; -static unsigned int *cB = nullptr; -#endif - int MSDL_gfxBlitRGBA(SDL_Surface *src, SDL_Rect *srcrect, SDL_Surface *dst, SDL_Rect *dstrect) { @@ -69,7 +63,6 @@ Graphics::Graphics() : mBpp(0), mFullscreen(false), mHWAccel(false), - mBlitMode(BLIT_NORMAL), mRedraw(false), mDoubleBuffer(false), mRect(), @@ -77,8 +70,6 @@ Graphics::Graphics() : mOpenGL(0), mEnableResize(false), mNoFrame(false), - mOldPixel(0), - mOldAlpha(0), mName("Software"), mStartFreeMem(0), mSync(false), @@ -375,185 +366,6 @@ bool Graphics::drawImage(const Image *image, int x, int y) } } -bool Graphics::drawRescaledImage(const Image *const image, int srcX, int srcY, - int dstX, int dstY, - const int width, const int height, - const int desiredWidth, - const int desiredHeight, - const bool useColor A_UNUSED) -{ - FUNC_BLOCK("Graphics::drawRescaledImage", 1) - // Check that preconditions for blitting are met. - if (!mTarget || !image) - return false; - if (!image->mSDLSurface) - return false; - - Image *const tmpImage = image->SDLgetScaledImage( - desiredWidth, desiredHeight); - - if (!tmpImage) - return false; - if (!tmpImage->mSDLSurface) - return false; - - dstX += mClipStack.top().xOffset; - dstY += mClipStack.top().yOffset; - - srcX += image->mBounds.x; - srcY += image->mBounds.y; - - SDL_Rect dstRect; - SDL_Rect srcRect; - dstRect.x = static_cast<int16_t>(dstX); - dstRect.y = static_cast<int16_t>(dstY); - srcRect.x = static_cast<int16_t>(srcX); - srcRect.y = static_cast<int16_t>(srcY); - srcRect.w = static_cast<uint16_t>(width); - srcRect.h = static_cast<uint16_t>(height); - - const bool returnValue = !(SDL_BlitSurface(tmpImage->mSDLSurface, - &srcRect, mTarget, &dstRect) < 0); - - delete tmpImage; - - return returnValue; -} - -bool Graphics::drawImage2(const Image *const image, int srcX, int srcY, - int dstX, int dstY, const int width, - const int height, const bool useColor A_UNUSED) -{ - FUNC_BLOCK("Graphics::drawImage2", 1) - // Check that preconditions for blitting are met. - if (!mTarget || !image || !image->mSDLSurface) - return false; - - dstX += mClipStack.top().xOffset; - dstY += mClipStack.top().yOffset; - - srcX += image->mBounds.x; - srcY += image->mBounds.y; - - SDL_Rect dstRect; - SDL_Rect srcRect; - dstRect.x = static_cast<int16_t>(dstX); - dstRect.y = static_cast<int16_t>(dstY); - srcRect.x = static_cast<int16_t>(srcX); - srcRect.y = static_cast<int16_t>(srcY); - srcRect.w = static_cast<uint16_t>(width); - srcRect.h = static_cast<uint16_t>(height); - - if (mBlitMode == BLIT_NORMAL) - { - return !(SDL_BlitSurface(image->mSDLSurface, &srcRect, - mTarget, &dstRect) < 0); - } - else - { - return !(SDL_gfxBlitRGBA(image->mSDLSurface, &srcRect, - mTarget, &dstRect) < 0); - } -} - -void Graphics::drawImagePattern(const Image *const image, - const int x, const int y, - const int w, const int h) -{ - FUNC_BLOCK("Graphics::drawImagePattern", 1) - // Check that preconditions for blitting are met. - if (!mTarget || !image) - return; - if (!image->mSDLSurface) - return; - - const int iw = image->mBounds.w; - const int ih = image->mBounds.h; - - if (iw == 0 || ih == 0) - return; - - for (int py = 0; py < h; py += ih) // Y position on pattern plane - { - const int dh = (py + ih >= h) ? h - py : ih; - const int srcY = image->mBounds.y; - const int dstY = y + py + mClipStack.top().yOffset; - - for (int px = 0; px < w; px += iw) // X position on pattern plane - { - const int dw = (px + iw >= w) ? w - px : iw; - const int srcX = image->mBounds.x; - const int dstX = x + px + mClipStack.top().xOffset; - - SDL_Rect dstRect; - SDL_Rect srcRect; - dstRect.x = static_cast<int16_t>(dstX); - dstRect.y = static_cast<int16_t>(dstY); - srcRect.x = static_cast<int16_t>(srcX); - srcRect.y = static_cast<int16_t>(srcY); - srcRect.w = static_cast<uint16_t>(dw); - srcRect.h = static_cast<uint16_t>(dh); - - SDL_BlitSurface(image->mSDLSurface, &srcRect, mTarget, &dstRect); - } - } -} - -void Graphics::drawRescaledImagePattern(const Image *const image, - const int x, const int y, - const int w, const int h, - const int scaledWidth, - const int scaledHeight) -{ - // Check that preconditions for blitting are met. - if (!mTarget || !image) - return; - if (!image->mSDLSurface) - return; - - if (scaledHeight == 0 || scaledWidth == 0) - return; - - Image *const tmpImage = image->SDLgetScaledImage( - scaledWidth, scaledHeight); - if (!tmpImage) - return; - - const int iw = tmpImage->mBounds.w; - const int ih = tmpImage->mBounds.h; - - if (iw == 0 || ih == 0) - return; - - for (int py = 0; py < h; py += ih) // Y position on pattern plane - { - const int dh = (py + ih >= h) ? h - py : ih; - const int srcY = tmpImage->mBounds.y; - const int dstY = y + py + mClipStack.top().yOffset; - - for (int px = 0; px < w; px += iw) // X position on pattern plane - { - const int dw = (px + iw >= w) ? w - px : iw; - const int srcX = tmpImage->mBounds.x; - const int dstX = x + px + mClipStack.top().xOffset; - - SDL_Rect dstRect; - SDL_Rect srcRect; - dstRect.x = static_cast<int16_t>(dstX); - dstRect.y = static_cast<int16_t>(dstY); - srcRect.x = static_cast<int16_t>(srcX); - srcRect.y = static_cast<int16_t>(srcY); - srcRect.w = static_cast<uint16_t>(dw); - srcRect.h = static_cast<uint16_t>(dh); - - SDL_BlitSurface(tmpImage->mSDLSurface, &srcRect, - mTarget, &dstRect); - } - } - - delete tmpImage; -} - void Graphics::drawImageRect(const int x, const int y, const int w, const int h, const Image *const topLeft, @@ -614,6 +426,18 @@ void Graphics::drawImageRect(int x, int y, int w, int h, imgRect.grid[4]); } +bool Graphics::drawNet(const int x1, const int y1, const int x2, const int y2, + const int width, const int height) +{ + for (int y = y1; y < y2; y += height) + drawLine(x1, y, x2, y); + + for (int x = x1; x < x2; x += width) + drawLine(x, y1, x, y2); + + return true; +} + bool Graphics::calcImageRect(ImageVertexes *const vert, const int x, const int y, const int w, const int h, @@ -673,540 +497,3 @@ bool Graphics::calcImageRect(ImageVertexes *const vert, BLOCK_END("Graphics::calcImageRect") return 0; } - -void Graphics::calcImagePattern(ImageVertexes* const vert, - const Image *const image, - const int x, const int y, - const int w, const int h) const -{ - // Check that preconditions for blitting are met. - if (!vert || !mTarget || !image || !image->mSDLSurface) - return; - - const int iw = image->mBounds.w; - const int ih = image->mBounds.h; - - if (iw == 0 || ih == 0) - return; - - for (int py = 0; py < h; py += ih) // Y position on pattern plane - { - const int dh = (py + ih >= h) ? h - py : ih; - const int srcY = image->mBounds.y; - const int dstY = y + py + mClipStack.top().yOffset; - - for (int px = 0; px < w; px += iw) // X position on pattern plane - { - const int dw = (px + iw >= w) ? w - px : iw; - const int srcX = image->mBounds.x; - const int dstX = x + px + mClipStack.top().xOffset; - - DoubleRect *const r = new DoubleRect(); - SDL_Rect &dstRect = r->dst; - SDL_Rect &srcRect = r->src; - dstRect.x = static_cast<int16_t>(dstX); - dstRect.y = static_cast<int16_t>(dstY); - srcRect.x = static_cast<int16_t>(srcX); - srcRect.y = static_cast<int16_t>(srcY); - srcRect.w = static_cast<uint16_t>(dw); - srcRect.h = static_cast<uint16_t>(dh); - - if (SDL_FakeUpperBlit(image->mSDLSurface, &srcRect, - mTarget, &dstRect) == 1) - { - vert->sdl.push_back(r); - } - else - { - delete r; - } - } - } -} - -void Graphics::calcImagePattern(ImageCollection* const vertCol, - const Image *const image, - const int x, const int y, - const int w, const int h) const -{ - ImageVertexes *vert = nullptr; - if (vertCol->currentImage != image) - { - vert = new ImageVertexes(); - vertCol->currentImage = image; - vertCol->currentVert = vert; - vert->image = image; - vertCol->draws.push_back(vert); - } - else - { - vert = vertCol->currentVert; - } - - calcImagePattern(vert, image, x, y, w, h); -} - -void Graphics::calcTile(ImageVertexes *const vert, - const Image *const image, - int x, int y) const -{ - vert->image = image; - calcTile(vert, x, y); -} - -void Graphics::calcTile(ImageCollection *const vertCol, - const Image *const image, - int x, int y) -{ - if (vertCol->currentImage != image) - { - ImageVertexes *const vert = new ImageVertexes(); - vertCol->currentImage = image; - vertCol->currentVert = vert; - vert->image = image; - vertCol->draws.push_back(vert); - calcTile(vert, x, y); - } - else - { - calcTile(vertCol->currentVert, x, y); - } -} - -void Graphics::drawTile(const ImageCollection *const vertCol) -{ - const ImageVertexesVector &draws = vertCol->draws; - const ImageCollectionCIter it_end = draws.end(); - for (ImageCollectionCIter it = draws.begin(); it != it_end; ++ it) - { - const ImageVertexes *const vert = *it; - const Image *const img = vert->image; - const DoubleRects *const rects = &vert->sdl; - DoubleRects::const_iterator it2 = rects->begin(); - const DoubleRects::const_iterator it2_end = rects->end(); - while (it2 != it2_end) - { - SDL_LowerBlit(img->mSDLSurface, &(*it2)->src, - mTarget, &(*it2)->dst); - ++ it2; - } - } -} - -void Graphics::calcTile(ImageVertexes *const vert, int x, int y) const -{ - // Check that preconditions for blitting are met. - if (!vert || !vert->image || !vert->image->mSDLSurface) - return; - - const Image *const image = vert->image; - - x += mClipStack.top().xOffset; - y += mClipStack.top().yOffset; - - DoubleRect *rect = new DoubleRect(); - - rect->dst.x = static_cast<int16_t>(x); - rect->dst.y = static_cast<int16_t>(y); - rect->src.x = static_cast<int16_t>(image->mBounds.x); - rect->src.y = static_cast<int16_t>(image->mBounds.y); - rect->src.w = static_cast<uint16_t>(image->mBounds.w); - rect->src.h = static_cast<uint16_t>(image->mBounds.h); - if (SDL_FakeUpperBlit(image->mSDLSurface, &rect->src, - mTarget, &rect->dst) == 1) - { - vert->sdl.push_back(rect); - } - else - { - delete rect; - } -} - -void Graphics::drawTile(const ImageVertexes *const vert) -{ - // vert and img must be != 0 - const Image *const img = vert->image; - const DoubleRects *const rects = &vert->sdl; - DoubleRects::const_iterator it = rects->begin(); - const DoubleRects::const_iterator it_end = rects->end(); - while (it != it_end) - { - SDL_LowerBlit(img->mSDLSurface, &(*it)->src, mTarget, &(*it)->dst); - ++ it; - } -} - -void Graphics::updateScreen() -{ - BLOCK_START("Graphics::updateScreen") - if (mDoubleBuffer) - { - SDL_Flip(mTarget); - } - else - { - SDL_UpdateRects(mTarget, 1, &mRect); -// SDL_UpdateRect(mTarget, 0, 0, 0, 0); - } - BLOCK_END("Graphics::updateScreen") -} - -SDL_Surface *Graphics::getScreenshot() -{ -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - const int rmask = 0xff000000; - const int gmask = 0x00ff0000; - const int bmask = 0x0000ff00; -#else - const int rmask = 0x000000ff; - const int gmask = 0x0000ff00; - const int bmask = 0x00ff0000; -#endif - const int amask = 0x00000000; - - SDL_Surface *const screenshot = SDL_CreateRGBSurface(SDL_SWSURFACE, - mTarget->w, mTarget->h, 24, rmask, gmask, bmask, amask); - - if (screenshot) - SDL_BlitSurface(mTarget, nullptr, screenshot, nullptr); - - return screenshot; -} - -bool Graphics::drawNet(const int x1, const int y1, const int x2, const int y2, - const int width, const int height) -{ - for (int y = y1; y < y2; y += height) - drawLine(x1, y, x2, y); - - for (int x = x1; x < x2; x += width) - drawLine(x, y1, x, y2); - - return true; -} - -bool Graphics::calcWindow(ImageCollection *const vertCol, - const int x, const int y, const int w, const int h, - const ImageRect &imgRect) -{ - ImageVertexes *vert = nullptr; - Image *const image = imgRect.grid[4]; - if (vertCol->currentImage != image) - { - vert = new ImageVertexes(); - vertCol->currentImage = image; - vertCol->currentVert = vert; - vert->image = image; - vertCol->draws.push_back(vert); -// calcTile(vert, x, y); - } - else - { - vert = vertCol->currentVert; - } - - return calcImageRect(vert, x, y, w, h, - imgRect.grid[0], imgRect.grid[2], imgRect.grid[6], imgRect.grid[8], - imgRect.grid[1], imgRect.grid[5], imgRect.grid[7], imgRect.grid[3], - imgRect.grid[4]); -} - -int Graphics::SDL_FakeUpperBlit(const SDL_Surface *const src, - SDL_Rect *const srcrect, - const SDL_Surface *const dst, - SDL_Rect *dstrect) const -{ - SDL_Rect fulldst; - int srcx, srcy, w, h; - - /* Make sure the surfaces aren't locked */ - if (!src || !dst) - return -1; - - if (src->locked || dst->locked) - return -1; - - /* If the destination rectangle is nullptr, use the entire dest surface */ - if (!dstrect) - { - fulldst.x = 0; - fulldst.y = 0; - dstrect = &fulldst; - } - - /* clip the source rectangle to the source surface */ - if (srcrect) - { - srcx = srcrect->x; - w = srcrect->w; - if (srcx < 0) - { - w += srcx; - dstrect->x -= static_cast<int16_t>(srcx); - srcx = 0; - } - int maxw = src->w - srcx; - if (maxw < w) - w = maxw; - - srcy = srcrect->y; - h = srcrect->h; - if (srcy < 0) - { - h += srcy; - dstrect->y -= static_cast<int16_t>(srcy); - srcy = 0; - } - int maxh = src->h - srcy; - if (maxh < h) - h = maxh; - } - else - { - srcx = 0; - srcy = 0; - w = src->w; - h = src->h; - } - - /* clip the destination rectangle against the clip rectangle */ - { - const SDL_Rect *const clip = &dst->clip_rect; - int dx = clip->x - dstrect->x; - if (dx > 0) - { - w -= dx; - dstrect->x += static_cast<int16_t>(dx); - srcx += dx; - } - dx = dstrect->x + w - clip->x - clip->w; - if (dx > 0) - w -= dx; - - int dy = clip->y - dstrect->y; - if (dy > 0) - { - h -= dy; - dstrect->y += static_cast<int16_t>(dy); - srcy += dy; - } - dy = dstrect->y + h - clip->y - clip->h; - if (dy > 0) - h -= dy; - } - - if (w > 0 && h > 0) - { - if (srcrect) - { - srcrect->x = static_cast<int16_t>(srcx); - srcrect->y = static_cast<int16_t>(srcy); - srcrect->w = static_cast<int16_t>(w); - srcrect->h = static_cast<int16_t>(h); - } - dstrect->w = static_cast<int16_t>(w); - dstrect->h = static_cast<int16_t>(h); - - return 1; -// return SDL_LowerBlit(src, &sr, dst, dstrect); - } - dstrect->w = dstrect->h = 0; - return 0; -} - -void Graphics::fillRectangle(const gcn::Rectangle& rectangle) -{ - FUNC_BLOCK("Graphics::fillRectangle", 1) - if (mClipStack.empty()) - return; - - const gcn::ClipRectangle& top = mClipStack.top(); - - gcn::Rectangle area = rectangle; - area.x += top.xOffset; - area.y += top.yOffset; - - if (!area.isIntersecting(top)) - return; - - if (mAlpha) - { - const int x1 = area.x > top.x ? area.x : top.x; - const int y1 = area.y > top.y ? area.y : top.y; - const int x2 = area.x + area.width < top.x + top.width ? - area.x + area.width : top.x + top.width; - const int y2 = area.y + area.height < top.y + top.height ? - area.y + area.height : top.y + top.height; - int x, y; - - SDL_LockSurface(mTarget); - - const int bpp = mTarget->format->BytesPerPixel; - const uint32_t pixel = SDL_MapRGB(mTarget->format, - static_cast<uint8_t>(mColor.r), static_cast<uint8_t>(mColor.g), - static_cast<uint8_t>(mColor.b)); - - switch (bpp) - { - case 1: - for (y = y1; y < y2; y++) - { - uint8_t *const p = static_cast<uint8_t *>(mTarget->pixels) - + y * mTarget->pitch; - for (x = x1; x < x2; x++) - *(p + x) = static_cast<uint8_t>(pixel); - } - break; - case 2: - for (y = y1; y < y2; y++) - { - uint8_t *const p0 = static_cast<uint8_t *>(mTarget->pixels) - + y * mTarget->pitch; - for (x = x1; x < x2; x++) - { - uint8_t *const p = p0 + x * 2; - *reinterpret_cast<uint16_t *>(p) = gcn::SDLAlpha16( - static_cast<uint16_t>(pixel), - *reinterpret_cast<uint16_t *>(p), - static_cast<uint8_t>(mColor.a), mTarget->format); - } - } - break; - case 3: - { - const int ca = 255 - mColor.a; - const int cr = mColor.r * mColor.a; - const int cg = mColor.g * mColor.a; - const int cb = mColor.b * mColor.a; - - for (y = y1; y < y2; y++) - { - uint8_t *const p0 = static_cast<uint8_t *>(mTarget->pixels) - + y * mTarget->pitch; - for (x = x1; x < x2; x++) - { - uint8_t *const p = p0 + x * 3; -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - p[2] = static_cast<uint8_t>((p[2] * ca + cb) >> 8); - p[1] = static_cast<uint8_t>((p[1] * ca + cg) >> 8); - p[0] = static_cast<uint8_t>((p[0] * ca + cr) >> 8); -#else - p[0] = static_cast<uint8_t>((p[0] * ca + cb) >> 8); - p[1] = static_cast<uint8_t>((p[1] * ca + cg) >> 8); - p[2] = static_cast<uint8_t>((p[2] * ca + cr) >> 8); -#endif - } - } - break; - } - case 4: - { -#if SDL_BYTEORDER == SDL_BIG_ENDIAN - const unsigned pb = (pixel & 0xff) * mColor.a; - const unsigned pg = (pixel & 0xff00) * mColor.a; - const unsigned pr = (pixel & 0xff0000) * mColor.a; - const unsigned a1 = (255 - mColor.a); - - for (y = y1; y < y2; y++) - { - uint8_t *p0 = static_cast<uint8_t *>(mTarget->pixels) - + y * mTarget->pitch; - for (x = x1; x < x2; x++) - { - uint8_t *p = p0 + x * 4; - uint32_t dst = *reinterpret_cast<uint32_t *>(p); - const unsigned int b = (pb + (dst & 0xff) * a1) >> 8; - const unsigned int g = (pg + (dst & 0xff00) * a1) >> 8; - const unsigned int r = (pr - + (dst & 0xff0000) * a1) >> 8; - - *reinterpret_cast<uint32_t *>(p) = ((b & 0xff) - | (g & 0xff00) | (r & 0xff0000)); - } - } -#else - if (!cR) - { - cR = new unsigned int[0x100]; - cG = new unsigned int[0x100]; - cB = new unsigned int[0x100]; - mOldPixel = 0; - mOldAlpha = mColor.a; - } - - const SDL_PixelFormat * const format = mTarget->format; - const unsigned rMask = format->Rmask; - const unsigned gMask = format->Gmask; - const unsigned bMask = format->Bmask; -// const unsigned aMask = format->Amask; - unsigned rShift = rMask / 0xff; - unsigned gShift = gMask / 0xff; - unsigned bShift = bMask / 0xff; - if (!rShift) - rShift = 1; - if (!gShift) - gShift = 1; - if (!bShift) - bShift = 1; - if (pixel != mOldPixel || mColor.a != mOldAlpha) - { - const unsigned pb = (pixel & bMask) * mColor.a; - const unsigned pg = (pixel & gMask) * mColor.a; - const unsigned pr = (pixel & rMask) * mColor.a; - const unsigned a0 = (255 - mColor.a); - - const unsigned int a1 = a0 * bShift; - const unsigned int a2 = a0 * gShift; - const unsigned int a3 = a0 * rShift; - - for (int f = 0; f <= 0xff; f ++) - { - cB[f] = ((pb + f * a1) >> 8) & bMask; - cG[f] = ((pg + f * a2) >> 8) & gMask; - cR[f] = ((pr + f * a3) >> 8) & rMask; - } - - mOldPixel = pixel; - mOldAlpha = mColor.a; - } - - for (y = y1; y < y2; y++) - { - uint32_t *const p0 = reinterpret_cast<uint32_t*>( - static_cast<uint8_t*>(mTarget->pixels) - + y * mTarget->pitch); - for (x = x1; x < x2; x++) - { - uint32_t *const p = p0 + x; - const uint32_t dst = *p; - *p = cB[dst & bMask / bShift] - | cG[(dst & gMask) / gShift] - | cR[(dst & rMask) / rShift]; - } - } -#endif - break; - } - default: - break; - } - - SDL_UnlockSurface(mTarget); - } - else - { - SDL_Rect rect; - rect.x = static_cast<int16_t>(area.x); - rect.y = static_cast<int16_t>(area.y); - rect.w = static_cast<uint16_t>(area.width); - rect.h = static_cast<uint16_t>(area.height); - - const uint32_t color = SDL_MapRGBA(mTarget->format, - static_cast<int8_t>(mColor.r), - static_cast<int8_t>(mColor.g), - static_cast<int8_t>(mColor.b), - static_cast<int8_t>(mColor.a)); - SDL_FillRect(mTarget, &rect, color); - } -} |