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authorAndrei Karas <akaras@inbox.ru>2013-08-31 20:38:42 +0300
committerAndrei Karas <akaras@inbox.ru>2013-08-31 20:38:42 +0300
commitb310c51796d1632aeefc834dc0e931c52f909a41 (patch)
tree1332b627664b8450cc3fdbbd2995ce0ffc67b724 /src/sdlgraphics.cpp
parent07c2392f2a7a7fa90d1c0dfe97dbd3bf29fdfad1 (diff)
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move render classes into render dir.
Diffstat (limited to 'src/sdlgraphics.cpp')
-rw-r--r--src/sdlgraphics.cpp1272
1 files changed, 0 insertions, 1272 deletions
diff --git a/src/sdlgraphics.cpp b/src/sdlgraphics.cpp
deleted file mode 100644
index 084a0db34..000000000
--- a/src/sdlgraphics.cpp
+++ /dev/null
@@ -1,1272 +0,0 @@
-/*
- * 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/>.
- */
-
-#ifndef USE_SDL2
-
-#include "sdlgraphics.h"
-
-#include "main.h"
-
-#include "configuration.h"
-#include "graphicsmanager.h"
-#include "graphicsvertexes.h"
-#include "logger.h"
-
-#include "resources/imagehelper.h"
-
-#include "utils/sdlcheckutils.h"
-
-#include <guichan/sdl/sdlpixel.hpp>
-
-#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(),
- 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 (!mWindow || !image)
- return false;
- if (!image->mSDLSurface)
- return false;
-
- Image *const tmpImage = image->SDLgetScaledImage(
- desiredWidth, desiredHeight);
-
- if (!tmpImage)
- return false;
- if (!tmpImage->mSDLSurface)
- return false;
-
- const gcn::ClipRectangle &top = mClipStack.top();
- const SDL_Rect &bounds = image->mBounds;
-
- SDL_Rect srcRect =
- {
- static_cast<int16_t>(srcX + bounds.x),
- static_cast<int16_t>(srcY + bounds.y),
- static_cast<uint16_t>(width),
- static_cast<uint16_t>(height)
- };
-
- SDL_Rect dstRect =
- {
- static_cast<int16_t>(dstX + top.xOffset),
- static_cast<int16_t>(dstY + top.yOffset),
- 0,
- 0
- };
-
- const bool returnValue = !(SDL_BlitSurface(tmpImage->mSDLSurface,
- &srcRect, mWindow, &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 (!mWindow || !image || !image->mSDLSurface)
- return false;
-
- const gcn::ClipRectangle &top = mClipStack.top();
- const SDL_Rect &bounds = image->mBounds;
-
-
- SDL_Surface *const src = image->mSDLSurface;
-
- srcX += bounds.x;
- srcY += bounds.y;
- dstX += top.xOffset;
- dstY += top.yOffset;
-
- int w = width;
- int h = height;
- if (srcX < 0)
- {
- w += srcX;
- dstX -= static_cast<int16_t>(srcX);
- srcX = 0;
- }
- const int maxw = src->w - srcX;
- if (maxw < w)
- w = maxw;
-
- if (srcY < 0)
- {
- h += srcY;
- dstY -= static_cast<int16_t>(srcY);
- srcY = 0;
- }
- const int maxh = src->h - srcY;
- if (maxh < h)
- h = maxh;
-
- const SDL_Rect *const clip = &mWindow->clip_rect;
- const int clipX = clip->x;
- const int clipY = clip->y;
- int dx = clipX - dstX;
- if (dx > 0)
- {
- w -= dx;
- dstX += static_cast<int16_t>(dx);
- srcX += dx;
- }
- dx = dstX + w - clipX - clip->w;
- if (dx > 0)
- w -= dx;
-
- int dy = clipY - dstY;
- if (dy > 0)
- {
- h -= dy;
- dstY += static_cast<int16_t>(dy);
- srcY += dy;
- }
- dy = dstY + h - clipY - clip->h;
- if (dy > 0)
- h -= dy;
-
- if (w > 0 && h > 0)
- {
- SDL_Rect srcRect =
- {
- static_cast<int16_t>(srcX),
- static_cast<int16_t>(srcY),
- static_cast<uint16_t>(w),
- static_cast<uint16_t>(h)
- };
-
- SDL_Rect dstRect =
- {
- static_cast<int16_t>(dstX),
- static_cast<int16_t>(dstY),
- static_cast<uint16_t>(w),
- static_cast<uint16_t>(h)
- };
-
- return SDL_LowerBlit(src, &srcRect, mWindow, &dstRect);
- }
- return 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 (!mWindow || !image)
- return;
- if (!image->mSDLSurface)
- return;
-
- const SDL_Rect &bounds = image->mBounds;
- const int iw = bounds.w;
- const int ih = bounds.h;
- if (iw == 0 || ih == 0)
- return;
-
- const gcn::ClipRectangle &top = mClipStack.top();
- const int xOffset = top.xOffset + x;
- const int yOffset = top.yOffset + y;
- const int srcX = bounds.x;
- const int srcY = bounds.y;
- SDL_Surface *const src = image->mSDLSurface;
- const SDL_Rect *const clip = &mWindow->clip_rect;
- const int clipX = clip->x;
- const int clipY = clip->y;
-
- for (int py = 0; py < h; py += ih)
- {
- const int dh = (py + ih >= h) ? h - py : ih;
- int dstY = py + yOffset;
- int y2 = srcY;
- int h2 = dh;
- if (y2 < 0)
- {
- h2 += y2;
- dstY -= static_cast<int16_t>(y2);
- y2 = 0;
- }
- const int maxh = src->h - y2;
- if (maxh < h2)
- h2 = maxh;
-
- int dy = clipY - dstY;
- if (dy > 0)
- {
- h2 -= dy;
- dstY += static_cast<int16_t>(dy);
- y2 += dy;
- }
- dy = dstY + h2 - clipY - clip->h;
- if (dy > 0)
- h2 -= dy;
-
- if (h2 > 0)
- {
- for (int px = 0; px < w; px += iw)
- {
- const int dw = (px + iw >= w) ? w - px : iw;
- int dstX = px + xOffset;
- int x2 = srcX;
- int w2 = dw;
- if (x2 < 0)
- {
- w2 += x2;
- dstX -= static_cast<int16_t>(x2);
- x2 = 0;
- }
- const int maxw = src->w - x2;
- if (maxw < w2)
- w2 = maxw;
-
- int dx = clipX - dstX;
- if (dx > 0)
- {
- w2 -= dx;
- dstX += static_cast<int16_t>(dx);
- x2 += dx;
- }
- dx = dstX + w2 - clipX - clip->w;
- if (dx > 0)
- w2 -= dx;
-
- if (w2 > 0)
- {
- SDL_Rect srcRect =
- {
- static_cast<int16_t>(x2),
- static_cast<int16_t>(y2),
- static_cast<uint16_t>(w2),
- static_cast<uint16_t>(h2)
- };
-
- SDL_Rect dstRect =
- {
- static_cast<int16_t>(dstX),
- static_cast<int16_t>(dstY),
- static_cast<uint16_t>(w2),
- static_cast<uint16_t>(h2)
- };
-
- SDL_LowerBlit(src, &srcRect, mWindow, &dstRect);
- }
-
-// SDL_BlitSurface(image->mSDLSurface, &srcRect, mWindow, &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 (!mWindow || !image)
- return;
- if (!image->mSDLSurface)
- return;
-
- if (scaledHeight == 0 || scaledWidth == 0)
- return;
-
- Image *const tmpImage = image->SDLgetScaledImage(
- scaledWidth, scaledHeight);
- if (!tmpImage)
- return;
-
- const SDL_Rect &bounds = tmpImage->mBounds;
- const int iw = bounds.w;
- const int ih = bounds.h;
- if (iw == 0 || ih == 0)
- return;
-
- const gcn::ClipRectangle &top = mClipStack.top();
- const int xOffset = top.xOffset + x;
- const int yOffset = top.yOffset + y;
- const int srcX = bounds.x;
- const int srcY = bounds.y;
-
- for (int py = 0; py < h; py += ih) // Y position on pattern plane
- {
- const int dh = (py + ih >= h) ? h - py : ih;
- const int dstY = py + 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 dstX = px + xOffset;
-
- SDL_Rect srcRect =
- {
- static_cast<int16_t>(srcX),
- static_cast<int16_t>(srcY),
- static_cast<uint16_t>(dw),
- static_cast<uint16_t>(dh)
- };
-
- SDL_Rect dstRect =
- {
- static_cast<int16_t>(dstX),
- static_cast<int16_t>(dstY),
- 0,
- 0
- };
-
- SDL_BlitSurface(tmpImage->mSDLSurface, &srcRect,
- mWindow, &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 || !mWindow || !image || !image->mSDLSurface)
- return;
-
- const SDL_Rect &bounds = image->mBounds;
- const int iw = bounds.w;
- const int ih = bounds.h;
- if (iw == 0 || ih == 0)
- return;
-
- const gcn::ClipRectangle &top = mClipStack.top();
- const int xOffset = top.xOffset + x;
- const int yOffset = top.yOffset + y;
- const int srcX = bounds.x;
- const int srcY = bounds.y;
-
- for (int py = 0; py < h; py += ih) // Y position on pattern plane
- {
- const int dh = (py + ih >= h) ? h - py : ih;
- const int dstY = py + 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 dstX = px + xOffset;
-
- DoubleRect *const r = new DoubleRect();
- SDL_Rect &srcRect = r->src;
- 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_Rect &dstRect = r->dst;
- dstRect.x = static_cast<int16_t>(dstX);
- dstRect.y = static_cast<int16_t>(dstY);
-
- if (SDL_FakeUpperBlit(image->mSDLSurface, &srcRect,
- mWindow, &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;
- const gcn::ClipRectangle &top = mClipStack.top();
- const SDL_Rect &bounds = image->mBounds;
-
- DoubleRect *rect = new DoubleRect();
- rect->src.x = static_cast<int16_t>(bounds.x);
- rect->src.y = static_cast<int16_t>(bounds.y);
- rect->src.w = static_cast<uint16_t>(bounds.w);
- rect->src.h = static_cast<uint16_t>(bounds.h);
- rect->dst.x = static_cast<int16_t>(x + top.xOffset);
- rect->dst.y = static_cast<int16_t>(y + top.yOffset);
- if (SDL_FakeUpperBlit(image->mSDLSurface, &rect->src,
- mWindow, &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,
- mWindow, &(*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, mWindow, &(*it)->dst);
- ++ it;
- }
-}
-
-void SDLGraphics::updateScreen()
-{
- BLOCK_START("Graphics::updateScreen")
- if (mDoubleBuffer)
- {
- SDL_Flip(mWindow);
- }
- else
- {
- SDL_UpdateRects(mWindow, 1, &mRect);
-// SDL_UpdateRect(mWindow, 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 = MSDL_CreateRGBSurface(SDL_SWSURFACE,
- mRect.w, mRect.h, 24, rmask, gmask, bmask, amask);
-
- if (screenshot)
- SDL_BlitSurface(mWindow, 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;
- }
-
- const Image *const *const grid = &imgRect.grid[0];
- return calcImageRect(vert, x, y, w, h,
- grid[0], grid[2], grid[6], grid[8],
- grid[1], grid[5], grid[7], grid[3],
- grid[4]);
-}
-
-int SDLGraphics::SDL_FakeUpperBlit(const SDL_Surface *const src,
- SDL_Rect *const srcrect,
- const SDL_Surface *const dst,
- SDL_Rect *dstrect) const
-{
- int srcx, srcy, w, h;
-
- // Make sure the surfaces aren't locked
- if (!src || !dst)
- return -1;
-
- if (!srcrect || !dstrect)
- return -1;
-
- 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;
-
- const SDL_Rect *const clip = &dst->clip_rect;
- const int clipX = clip->x;
- const int clipY = clip->y;
- int dx = clipX - dstrect->x;
- if (dx > 0)
- {
- w -= dx;
- dstrect->x += static_cast<int16_t>(dx);
- srcx += dx;
- }
- dx = dstrect->x + w - clipX - clip->w;
- if (dx > 0)
- w -= dx;
-
- int dy = clipY - dstrect->y;
- if (dy > 0)
- {
- h -= dy;
- dstrect->y += static_cast<int16_t>(dy);
- srcy += dy;
- }
- dy = dstrect->y + h - clipY - 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(mWindow);
-
- const int bpp = mWindow->format->BytesPerPixel;
- const uint32_t pixel = SDL_MapRGB(mWindow->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 *>(mWindow->pixels)
- + y * mWindow->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 *>(mWindow->pixels)
- + y * mWindow->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), mWindow->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 *>(mWindow->pixels)
- + y * mWindow->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 *const p0 = static_cast<uint8_t *>(mWindow->pixels)
- + y * mWindow->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 = mWindow->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*>(mWindow->pixels)
- + y * mWindow->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(mWindow);
- }
- else
- {
- SDL_Rect rect =
- {
- static_cast<int16_t>(area.x),
- static_cast<int16_t>(area.y),
- static_cast<uint16_t>(area.width),
- static_cast<uint16_t>(area.height)
- };
-
- const uint32_t color = SDL_MapRGBA(mWindow->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(mWindow, &rect, color);
- }
-}
-
-void SDLGraphics::_beginDraw()
-{
- pushClipArea(gcn::Rectangle(0, 0, mRect.w, mRect.h));
-}
-
-void SDLGraphics::_endDraw()
-{
- popClipArea();
-}
-
-bool SDLGraphics::pushClipArea(gcn::Rectangle area)
-{
- const bool result = gcn::Graphics::pushClipArea(area);
- const gcn::ClipRectangle &carea = mClipStack.top();
- const SDL_Rect rect =
- {
- static_cast<int16_t>(carea.x),
- static_cast<int16_t>(carea.y),
- static_cast<uint16_t>(carea.width),
- static_cast<uint16_t>(carea.height)
- };
- SDL_SetClipRect(mWindow, &rect);
-
- return result;
-}
-
-void SDLGraphics::popClipArea()
-{
- gcn::Graphics::popClipArea();
-
- if (mClipStack.empty())
- return;
-
- const gcn::ClipRectangle &carea = mClipStack.top();
- const SDL_Rect rect =
- {
- static_cast<int16_t>(carea.x),
- static_cast<int16_t>(carea.y),
- static_cast<uint16_t>(carea.width),
- static_cast<uint16_t>(carea.height)
- };
-
- SDL_SetClipRect(mWindow, &rect);
-}
-
-void SDLGraphics::drawPoint(int x, int y)
-{
- if (mClipStack.empty())
- return;
-
- const gcn::ClipRectangle& top = mClipStack.top();
-
- x += top.xOffset;
- y += top.yOffset;
-
- if (!top.isPointInRect(x, y))
- return;
-
- if (mAlpha)
- SDLputPixelAlpha(mWindow, x, y, mColor);
- else
- SDLputPixel(mWindow, x, y, mColor);
-}
-
-void SDLGraphics::drawHLine(int x1, int y, int x2)
-{
- if (mClipStack.empty())
- return;
-
- const gcn::ClipRectangle& top = mClipStack.top();
-
- const int xOffset = top.xOffset;
- x1 += xOffset;
- y += top.yOffset;
- x2 += xOffset;
-
- const int topY = top.y;
- if (y < topY || y >= topY + top.height)
- return;
-
- if (x1 > x2)
- {
- x1 ^= x2;
- x2 ^= x1;
- x1 ^= x2;
- }
-
- const int topX = top.x;
- if (topX > x1)
- {
- if (topX > x2)
- return;
-
- x1 = topX;
- }
-
- const int sumX = topX + top.width;
- if (sumX <= x2)
- {
- if (sumX <= x1)
- return;
-
- x2 = sumX -1;
- }
-
- const int bpp = mWindow->format->BytesPerPixel;
-
- SDL_LockSurface(mWindow);
-
- uint8_t *p = static_cast<uint8_t*>(mWindow->pixels)
- + y * mWindow->pitch + x1 * bpp;
-
- const uint32_t pixel = SDL_MapRGB(mWindow->format,
- static_cast<uint8_t>(mColor.r),
- static_cast<uint8_t>(mColor.g),
- static_cast<uint8_t>(mColor.b));
- switch (bpp)
- {
- case 1:
- for (; x1 <= x2; ++x1)
- *(p++) = static_cast<uint8_t>(pixel);
- break;
-
- case 2:
- {
- uint16_t* q = reinterpret_cast<uint16_t*>(p);
- for (; x1 <= x2; ++x1)
- *(q++) = pixel;
- break;
- }
-
- case 3:
- {
- const uint8_t b0 = static_cast<uint8_t>((pixel >> 16) & 0xff);
- const uint8_t b1 = static_cast<uint8_t>((pixel >> 8) & 0xff);
- const uint8_t b2 = static_cast<uint8_t>(pixel & 0xff);
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- for (; x1 <= x2; ++x1)
- {
- p[0] = b0;
- p[1] = b1;
- p[2] = b2;
- p += 3;
- }
-#else
- for (; x1 <= x2; ++x1)
- {
- p[0] = b2;
- p[1] = b1;
- p[2] = b0;
- p += 3;
- }
-#endif
- break;
- }
-
- case 4:
- {
- uint32_t *q = reinterpret_cast<uint32_t*>(p);
- if (mAlpha)
- {
- unsigned char a = static_cast<unsigned char>(mColor.a);
- unsigned char a1 = 255 - a;
- const int b0 = (pixel & 0xff) * a;
- const int g0 = (pixel & 0xff00) * a;
- const int r0 = (pixel & 0xff0000) * a;
- for (; x1 <= x2; ++x1)
- {
- const unsigned int b = (b0 + (*q & 0xff) * a1) >> 8;
- const unsigned int g = (g0 + (*q & 0xff00) * a1) >> 8;
- const unsigned int r = (r0 + (*q & 0xff0000) * a1) >> 8;
- *q = (b & 0xff) | (g & 0xff00) | (r & 0xff0000);
-
- q++;
- }
- }
- else
- {
- for (; x1 <= x2; ++x1)
- *(q++) = pixel;
- }
- break;
- }
- default:
- break;
- } // end switch
-
- SDL_UnlockSurface(mWindow);
-}
-
-void SDLGraphics::drawVLine(int x, int y1, int y2)
-{
- if (mClipStack.empty())
- return;
-
- const gcn::ClipRectangle& top = mClipStack.top();
-
- const int yOffset = top.yOffset;
- x += top.xOffset;
- y1 += yOffset;
- y2 += yOffset;
-
- if (x < top.x || x >= top.x + top.width)
- return;
-
- if (y1 > y2)
- {
- y1 ^= y2;
- y2 ^= y1;
- y1 ^= y2;
- }
-
- if (top.y > y1)
- {
- if (top.y > y2)
- return;
-
- y1 = top.y;
- }
-
- const int sumY = top.y + top.height;
- if (sumY <= y2)
- {
- if (sumY <= y1)
- return;
-
- y2 = sumY - 1;
- }
-
- const int bpp = mWindow->format->BytesPerPixel;
-
- SDL_LockSurface(mWindow);
-
- uint8_t *p = static_cast<uint8_t*>(mWindow->pixels)
- + y1 * mWindow->pitch + x * bpp;
-
- const uint32_t pixel = SDL_MapRGB(mWindow->format,
- static_cast<uint8_t>(mColor.r),
- static_cast<uint8_t>(mColor.g),
- static_cast<uint8_t>(mColor.b));
-
- const int pitch = mWindow->pitch;
- switch (bpp)
- {
- case 1:
- for (; y1 <= y2; ++y1)
- {
- *p = static_cast<uint8_t>(pixel);
- p += pitch;
- }
- break;
-
- case 2:
- for (; y1 <= y2; ++ y1)
- {
- *reinterpret_cast<uint16_t*>(p)
- = static_cast<uint16_t>(pixel);
- p += pitch;
- }
- break;
-
- case 3:
- {
- const uint8_t b0 = static_cast<uint8_t>((pixel >> 16) & 0xff);
- const uint8_t b1 = static_cast<uint8_t>((pixel >> 8) & 0xff);
- const uint8_t b2 = static_cast<uint8_t>(pixel & 0xff);
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- for (; y1 <= y2; ++y1)
- {
- p[0] = b0;
- p[1] = b1;
- p[2] = b2;
- p += pitch;
- }
-#else
- for (; y1 <= y2; ++y1)
- {
- p[0] = b2;
- p[1] = b1;
- p[2] = b0;
- p += pitch;
- }
-#endif
- break;
- }
-
- case 4:
- {
- if (mAlpha)
- {
- unsigned char a = static_cast<unsigned char>(mColor.a);
- unsigned char a1 = 255 - a;
- const int b0 = (pixel & 0xff) * a;
- const int g0 = (pixel & 0xff00) * a;
- const int r0 = (pixel & 0xff0000) * a;
- for (; y1 <= y2; ++y1)
- {
- const unsigned int dst = *reinterpret_cast<uint32_t*>(p);
- const unsigned int b = (b0 + (dst & 0xff) * a1) >> 8;
- const unsigned int g = (g0 + (dst & 0xff00) * a1) >> 8;
- const unsigned int r = (r0 + (dst & 0xff0000) * a1) >> 8;
- *reinterpret_cast<uint32_t*>(p) =
- (b & 0xff) | (g & 0xff00) | (r & 0xff0000);
-
- p += pitch;
- }
- }
- else
- {
- for (; y1 <= y2; ++y1)
- {
- *reinterpret_cast<uint32_t*>(p) = pixel;
- p += pitch;
- }
- }
- break;
- }
-
- default:
- break;
- } // end switch
-
- SDL_UnlockSurface(mWindow);
-}
-
-void SDLGraphics::drawRectangle(const gcn::Rectangle &rectangle)
-{
- const int x1 = rectangle.x;
- const int x2 = x1 + rectangle.width - 1;
- const int y1 = rectangle.y;
- const int y2 = y1 + rectangle.height - 1;
-
- drawHLine(x1, y1, x2);
- drawHLine(x1, y2, x2);
-
- drawVLine(x1, y1, y2);
- drawVLine(x2, y1, y2);
-}
-
-void SDLGraphics::drawLine(int x1, int y1, int x2, int y2)
-{
- if (x1 == x2)
- {
- drawVLine(x1, y1, y2);
- return;
- }
- if (y1 == y2)
- {
- drawHLine(x1, y1, x2);
- return;
- }
-
- // other cases not implimented
-}
-
-bool SDLGraphics::setVideoMode(const int w, const int h, const int bpp,
- const bool fs, const bool hwaccel,
- const bool resize, const bool noFrame)
-{
- setMainFlags(w, h, bpp, fs, hwaccel, resize, noFrame);
-
- if (!(mWindow = graphicsManager.createWindow(w, h, bpp,
- getSoftwareFlags())))
- {
- mRect.w = 0;
- mRect.h = 0;
- return false;
- }
-
- mRect.w = static_cast<uint16_t>(mWindow->w);
- mRect.h = static_cast<uint16_t>(mWindow->h);
-
- return videoInfo();
-}
-
-#endif // USE_SDL2