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-rw-r--r--src/sdlgraphics.cpp773
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diff --git a/src/sdlgraphics.cpp b/src/sdlgraphics.cpp
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--- /dev/null
+++ b/src/sdlgraphics.cpp
@@ -0,0 +1,773 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2013 The ManaPlus Developers
+ *
+ * This file is part of The ManaPlus Client.
+ *
+ * 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
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "sdlgraphics.h"
+
+#include "main.h"
+
+#include "configuration.h"
+#include "graphicsmanager.h"
+#include "graphicsvertexes.h"
+#include "logger.h"
+
+#include "resources/imagehelper.h"
+
+#include <guichan/sdl/sdlpixel.hpp>
+
+#include <SDL_gfxBlitFunc.h>
+
+#include "debug.h"
+
+#if SDL_BYTEORDER == SDL_LIL_ENDIAN
+static unsigned int *cR = nullptr;
+static unsigned int *cG = nullptr;
+static unsigned int *cB = nullptr;
+#endif
+
+SDLGraphics::SDLGraphics() :
+ Graphics(),
+ mBlitMode(BLIT_NORMAL),
+ mOldPixel(0),
+ mOldAlpha(0)
+{
+}
+
+SDLGraphics::~SDLGraphics()
+{
+}
+
+bool SDLGraphics::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 SDLGraphics::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 SDLGraphics::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 SDLGraphics::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 SDLGraphics::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 SDLGraphics::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 SDLGraphics::calcTile(ImageVertexes *const vert,
+ const Image *const image,
+ int x, int y) const
+{
+ vert->image = image;
+ calcTileSDL(vert, x, y);
+}
+
+void SDLGraphics::calcTileSDL(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 SDLGraphics::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);
+ calcTileSDL(vert, x, y);
+ }
+ else
+ {
+ calcTileSDL(vertCol->currentVert, x, y);
+ }
+}
+
+void SDLGraphics::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 SDLGraphics::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 SDLGraphics::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 *SDLGraphics::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 SDLGraphics::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 SDLGraphics::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);
+ }
+ 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 SDLGraphics::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 SDLGraphics::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);
+ }
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-01 08:05:34 +0000