/* * The ManaPlus Client * Copyright (C) 2004-2009 The Mana World Development Team * Copyright (C) 2009-2010 The Mana Developers * Copyright (C) 2011 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 <cassert> #include "graphics.h" #include "log.h" #include "resources/image.h" #include "resources/imageloader.h" #include "utils/stringutils.h" //<SDL_gfxBlitFunc.h> #include "SDL_gfxBlitFunc.h" Graphics::Graphics(): mWidth(0), mHeight(0), mBpp(0), mFullscreen(false), mHWAccel(false), mBlitMode(BLIT_NORMAL) { } Graphics::~Graphics() { _endDraw(); } bool Graphics::setVideoMode(int w, int h, int bpp, bool fs, bool hwaccel) { logger->log("Setting video mode %dx%d %s", w, h, fs ? "fullscreen" : "windowed"); logger->log("Bits per pixel: %d", bpp); int displayFlags = SDL_ANYFORMAT; mWidth = w; mHeight = h; mBpp = bpp; mFullscreen = fs; mHWAccel = hwaccel; if (fs) displayFlags |= SDL_FULLSCREEN; if (hwaccel) displayFlags |= SDL_HWSURFACE | SDL_DOUBLEBUF; else displayFlags |= SDL_SWSURFACE; setTarget(SDL_SetVideoMode(w, h, bpp, displayFlags)); if (!mTarget) return false; char videoDriverName[65]; if (SDL_VideoDriverName(videoDriverName, 64)) logger->log("Using video driver: %s", videoDriverName); else logger->log1("Using video driver: unknown"); const SDL_VideoInfo *vi = SDL_GetVideoInfo(); logger->log("Possible to create hardware surfaces: %s", ((vi->hw_available) ? "yes" : "no")); logger->log("Window manager available: %s", ((vi->wm_available) ? "yes" : "no")); logger->log("Accelerated hardware to hardware blits: %s", ((vi->blit_hw) ? "yes" : "no")); logger->log("Accelerated hardware to hardware colorkey blits: %s", ((vi->blit_hw_CC) ? "yes" : "no")); logger->log("Accelerated hardware to hardware alpha blits: %s", ((vi->blit_hw_A) ? "yes" : "no")); logger->log("Accelerated software to hardware blits: %s", ((vi->blit_sw) ? "yes" : "no")); logger->log("Accelerated software to hardware colorkey blits: %s", ((vi->blit_sw_CC) ? "yes" : "no")); logger->log("Accelerated software to hardware alpha blits: %s", ((vi->blit_sw_A) ? "yes" : "no")); logger->log("Accelerated color fills: %s", ((vi->blit_fill) ? "yes" : "no")); logger->log("Available video memory: %d", vi->video_mem); return true; } bool Graphics::setFullscreen(bool fs) { if (mFullscreen == fs) return true; return setVideoMode(mWidth, mHeight, mBpp, fs, mHWAccel); } int Graphics::getWidth() const { return mWidth; } int Graphics::getHeight() const { return mHeight; } bool Graphics::drawImage(Image *image, int x, int y) { if (image) { return drawImage(image, 0, 0, x, y, image->mBounds.w, image->mBounds.h); } else { return false; } } bool Graphics::drawRescaledImage(Image *image, int srcX, int srcY, int dstX, int dstY, int width, int height, int desiredWidth, int desiredHeight, bool useColor _UNUSED_) { // Check that preconditions for blitting are met. if (!mTarget || !image) return false; if (!image->mSDLSurface) return false; Image *tmpImage = image->SDLgetScaledImage(desiredWidth, desiredHeight); // logger->log("SDLgetScaledImage " + tmpImage->getIdPath() // + toString(desiredWidth) + "," + toString(desiredHeight)); bool returnValue = false; 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<short>(dstX); dstRect.y = static_cast<short>(dstY); srcRect.x = static_cast<short>(srcX); srcRect.y = static_cast<short>(srcY); srcRect.w = static_cast<Uint16>(width); srcRect.h = static_cast<Uint16>(height); returnValue = !(SDL_BlitSurface(tmpImage->mSDLSurface, &srcRect, mTarget, &dstRect) < 0); delete tmpImage; return returnValue; } bool Graphics::drawImage(Image *image, int srcX, int srcY, int dstX, int dstY, int width, int height, bool) { // 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<short>(dstX); dstRect.y = static_cast<short>(dstY); srcRect.x = static_cast<short>(srcX); srcRect.y = static_cast<short>(srcY); srcRect.w = static_cast<Uint16>(width); srcRect.h = static_cast<Uint16>(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::drawImage(gcn::Image const *image, int srcX, int srcY, int dstX, int dstY, int width, int height) { ProxyImage const *srcImage = dynamic_cast< ProxyImage const * >(image); if (!srcImage) return; drawImage(srcImage->getImage(), srcX, srcY, dstX, dstY, width, height, true); } void Graphics::drawImagePattern(Image *image, int x, int y, int w, int h) { // Check that preconditions for blitting are met. if (!mTarget || !image) return; if (!image->mSDLSurface) return; const int iw = image->getWidth(); const int ih = image->getHeight(); if (iw == 0 || ih == 0) return; for (int py = 0; py < h; py += ih) // Y position on pattern plane { int dh = (py + ih >= h) ? h - py : ih; int srcY = image->mBounds.y; int dstY = y + py + mClipStack.top().yOffset; for (int px = 0; px < w; px += iw) // X position on pattern plane { int dw = (px + iw >= w) ? w - px : iw; int srcX = image->mBounds.x; int dstX = x + px + mClipStack.top().xOffset; SDL_Rect dstRect; SDL_Rect srcRect; dstRect.x = static_cast<short>(dstX); dstRect.y = static_cast<short>(dstY); srcRect.x = static_cast<short>(srcX); srcRect.y = static_cast<short>(srcY); srcRect.w = static_cast<Uint16>(dw); srcRect.h = static_cast<Uint16>(dh); SDL_BlitSurface(image->mSDLSurface, &srcRect, mTarget, &dstRect); } } } void Graphics::drawRescaledImagePattern(Image *image, int x, int y, int w, int h, int scaledWidth, int scaledHeight) { // Check that preconditions for blitting are met. if (!mTarget || !image) return; if (!image->mSDLSurface) return; if (scaledHeight == 0 || scaledWidth == 0) return; Image *tmpImage = image->SDLgetScaledImage(scaledWidth, scaledHeight); if (!tmpImage) return; // logger->log("SDLgetScaledImageS " + tmpImage->getIdPath() // + toString(scaledWidth) + "," + toString(scaledHeight)); const int iw = tmpImage->getWidth(); const int ih = tmpImage->getHeight(); if (iw == 0 || ih == 0) return; for (int py = 0; py < h; py += ih) // Y position on pattern plane { int dh = (py + ih >= h) ? h - py : ih; int srcY = tmpImage->mBounds.y; int dstY = y + py + mClipStack.top().yOffset; for (int px = 0; px < w; px += iw) // X position on pattern plane { int dw = (px + iw >= w) ? w - px : iw; int srcX = tmpImage->mBounds.x; int dstX = x + px + mClipStack.top().xOffset; SDL_Rect dstRect; SDL_Rect srcRect; dstRect.x = static_cast<short>(dstX); dstRect.y = static_cast<short>(dstY); srcRect.x = static_cast<short>(srcX); srcRect.y = static_cast<short>(srcY); srcRect.w = static_cast<Uint16>(dw); srcRect.h = static_cast<Uint16>(dh); SDL_BlitSurface(tmpImage->mSDLSurface, &srcRect, mTarget, &dstRect); } } delete tmpImage; } void Graphics::drawImageRect(int x, int y, int w, int h, Image *topLeft, Image *topRight, Image *bottomLeft, Image *bottomRight, Image *top, Image *right, Image *bottom, Image *left, Image *center) { pushClipArea(gcn::Rectangle(x, y, w, h)); const bool drawMain = center && topLeft && topRight && bottomLeft && bottomRight; // Draw the center area if (center && drawMain) { drawImagePattern(center, topLeft->getWidth(), topLeft->getHeight(), w - topLeft->getWidth() - topRight->getWidth(), h - topLeft->getHeight() - bottomLeft->getHeight()); } // Draw the sides if (top && left && bottom && right) { drawImagePattern(top, left->getWidth(), 0, w - left->getWidth() - right->getWidth(), top->getHeight()); drawImagePattern(bottom, left->getWidth(), h - bottom->getHeight(), w - left->getWidth() - right->getWidth(), bottom->getHeight()); drawImagePattern(left, 0, top->getHeight(), left->getWidth(), h - top->getHeight() - bottom->getHeight()); drawImagePattern(right, w - right->getWidth(), top->getHeight(), right->getWidth(), h - top->getHeight() - bottom->getHeight()); } // Draw the corners if (drawMain) { drawImage(topLeft, 0, 0); drawImage(topRight, w - topRight->getWidth(), 0); drawImage(bottomLeft, 0, h - bottomLeft->getHeight()); drawImage(bottomRight, w - bottomRight->getWidth(), h - bottomRight->getHeight()); } popClipArea(); } void Graphics::drawImageRect(int x, int y, int w, int h, const ImageRect &imgRect) { drawImageRect(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]); } void Graphics::updateScreen() { SDL_Flip(mTarget); } SDL_Surface *Graphics::getScreenshot() { #if SDL_BYTEORDER == SDL_BIG_ENDIAN int rmask = 0xff000000; int gmask = 0x00ff0000; int bmask = 0x0000ff00; #else int rmask = 0x000000ff; int gmask = 0x0000ff00; int bmask = 0x00ff0000; #endif int amask = 0x00000000; SDL_Surface *screenshot = SDL_CreateRGBSurface(SDL_SWSURFACE, mTarget->w, mTarget->h, 24, rmask, gmask, bmask, amask); if (screenshot) SDL_BlitSurface(mTarget, NULL, screenshot, NULL); return screenshot; } bool Graphics::drawNet(int x1, int y1, int x2, int y2, int width, 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; }