surfacegraphics.cpp

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/*
 * The ManaPlus Client
 * Copyright (C) 2004-2009 The Mana World Development Team
 * Copyright (C) 2009-2010 The Mana Developers
 * Copyright (C) 2011-2019 The ManaPlus Developers
 * Copyright (C) 2019-2021 Andrei Karas
 *
 * 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 "render/surfacegraphics.h"
 
#ifndef USE_SDL2
#include "resources/surfaceimagehelper.h"
#endif // USE_SDL2
 
#include "resources/image/image.h"
 
#include "debug.h"
 
SurfaceGraphics::SurfaceGraphics() :
 Graphics(),
 mBlitMode(BlitMode::BLIT_NORMAL),
 mTarget(nullptr)
{
 mOpenGL = RENDER_SOFTWARE;
 mName = "Surface";
}
 
SurfaceGraphics::~SurfaceGraphics()
{
}
 
void SurfaceGraphics::drawImage(const Image *restrict const image,
 int dstX, int dstY) restrict2
{
 FUNC_BLOCK("Graphics::drawImage", 1)
 // Check that preconditions for blitting are met.
 if (mTarget == nullptr ||
 image == nullptr ||
 image->mSDLSurface == nullptr)
 {
 return;
 }
 
 const SDL_Rect &imageRect = image->mBounds;
 SDL_Rect dstRect;
 SDL_Rect srcRect;
 dstRect.x = CAST_S16(dstX);
 dstRect.y = CAST_S16(dstY);
 srcRect.x = CAST_S16(imageRect.x);
 srcRect.y = CAST_S16(imageRect.y);
 srcRect.w = CAST_U16(imageRect.w);
 srcRect.h = CAST_U16(imageRect.h);
 
#ifdef USE_SDL2
 SDL_BlitSurface(image->mSDLSurface, &srcRect, mTarget, &dstRect);
#else // USE_SDL2
 
 if (mBlitMode == BlitMode::BLIT_NORMAL)
 {
 SDL_BlitSurface(image->mSDLSurface, &srcRect, mTarget, &dstRect);
 }
 else
 {
 SurfaceImageHelper::combineSurface(image->mSDLSurface,
 &srcRect, mTarget, &dstRect);
 }
#endif // USE_SDL2
}
 
void SurfaceGraphics::copyImage(const Image *restrict const image,
 int dstX, int dstY) restrict2
{
 FUNC_BLOCK("Graphics::drawImage", 1)
 // Check that preconditions for blitting are met.
 if (mTarget == nullptr ||
 image == nullptr ||
 image->mSDLSurface == nullptr)
 {
 return;
 }
 
 const SDL_Rect &imageRect = image->mBounds;
 SDL_Rect dstRect;
 SDL_Rect srcRect;
 dstRect.x = CAST_S16(dstX);
 dstRect.y = CAST_S16(dstY);
 srcRect.x = CAST_S16(imageRect.x);
 srcRect.y = CAST_S16(imageRect.y);
 srcRect.w = CAST_U16(imageRect.w);
 srcRect.h = CAST_U16(imageRect.h);
 
#ifdef USE_SDL2
 // probably need change some flags
 SDL_BlitSurface(image->mSDLSurface, &srcRect, mTarget, &dstRect);
#else // USE_SDL2
 
 SDL_BlitSurface(image->mSDLSurface, &srcRect, mTarget, &dstRect);
#endif // USE_SDL2
}
 
void SurfaceGraphics::drawImageCached(const Image *restrict const image,
 int x, int y) restrict2
{
 FUNC_BLOCK("Graphics::drawImageCached", 1)
 // Check that preconditions for blitting are met.
 if (mTarget == nullptr ||
 image == nullptr ||
 image->mSDLSurface == nullptr)
 {
 return;
 }
 
 const SDL_Rect &rect = image->mBounds;
 
 SDL_Rect dstRect;
 SDL_Rect srcRect;
 dstRect.x = CAST_S16(x);
 dstRect.y = CAST_S16(y);
 srcRect.x = CAST_S16(rect.x);
 srcRect.y = CAST_S16(rect.y);
 srcRect.w = CAST_U16(rect.w);
 srcRect.h = CAST_U16(rect.h);
 
#ifdef USE_SDL2
 SDL_BlitSurface(image->mSDLSurface, &srcRect, mTarget, &dstRect);
#else // USE_SDL2
 
 if (mBlitMode == BlitMode::BLIT_NORMAL)
 {
 SDL_BlitSurface(image->mSDLSurface, &srcRect, mTarget, &dstRect);
 }
 else
 {
 SurfaceImageHelper::combineSurface(image->mSDLSurface, &srcRect,
 mTarget, &dstRect);
 }
#endif // USE_SDL2
}
 
void SurfaceGraphics::completeCache() restrict2
{
}