/*
* 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/>.
*/
#ifdef USE_SDL2
#include "sdl2graphics.h"
#include "main.h"
#include "configuration.h"
#include "graphicsmanager.h"
#include "graphicsvertexes.h"
#include "logger.h"
#include "resources/imagehelper.h"
#include "resources/sdl2imagehelper.h"
#include <guichan/sdl/sdlpixel.hpp>
#include <SDL.h>
//#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(),
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->mTexture)
return false;
Image *const tmpImage = image->SDLgetScaledImage(
desiredWidth, desiredHeight);
if (!tmpImage)
return false;
if (!tmpImage->mTexture)
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);
// +++ dstRect.w/h
const bool returnValue = (SDL_RenderCopy(mRenderer, tmpImage->mTexture,
&srcRect, &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->mTexture)
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);
dstRect.w = static_cast<uint16_t>(width);
dstRect.h = static_cast<uint16_t>(height);
return !SDL_RenderCopy(mRenderer, image->mTexture, &srcRect, &dstRect);
}
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->mTexture)
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);
dstRect.w = static_cast<uint16_t>(dw);
dstRect.h = static_cast<uint16_t>(dh);
SDL_RenderCopy(mRenderer, image->mTexture, &srcRect, &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->mTexture)
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);
dstRect.w = static_cast<uint16_t>(dw);
dstRect.h = static_cast<uint16_t>(dh);
SDL_RenderCopy(mRenderer, image->mTexture, &srcRect, &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->mTexture)
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);
dstRect.w = static_cast<uint16_t>(dw);
dstRect.h = static_cast<uint16_t>(dh);
vert->sdl.push_back(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->mTexture)
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);
rect->dst.w = static_cast<uint16_t>(image->mBounds.w);
rect->dst.h = static_cast<uint16_t>(image->mBounds.h);
vert->sdl.push_back(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_RenderCopy(mRenderer, img->mTexture,
&(*it2)->src, &(*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_RenderCopy(mRenderer, img->mTexture, &(*it)->src, &(*it)->dst);
++ it;
}
}
void SDLGraphics::updateScreen()
{
BLOCK_START("Graphics::updateScreen")
SDL_RenderPresent(mRenderer);
// SDL_SetRenderDrawColor(mRenderer, 255, 0, 0, 255);
// SDL_RenderClear(mRenderer);
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,
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)
{
// +++ need use SDL_RenderDrawLines
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]);
}
void SDLGraphics::fillRectangle(const gcn::Rectangle &rectangle)
{
const SDL_Rect rect
{
static_cast<int16_t>(rectangle.x) + mClipStack.top().xOffset,
static_cast<int16_t>(rectangle.y) + mClipStack.top().yOffset,
static_cast<uint16_t>(rectangle.width),
static_cast<uint16_t>(rectangle.height)
};
SDL_SetRenderDrawColor(mRenderer, mColor.r, mColor.g, mColor.b, mColor.a);
SDL_RenderFillRect(mRenderer, &rect);
}
void SDLGraphics::_beginDraw()
{
pushClipArea(gcn::Rectangle(0, 0, mRect.w, mRect.h));
}
void SDLGraphics::_endDraw()
{
popClipArea();
}
bool SDLGraphics::pushClipArea(gcn::Rectangle area)
{
SDL_Rect rect;
const bool result = gcn::Graphics::pushClipArea(area);
const gcn::ClipRectangle &carea = mClipStack.top();
rect.x = static_cast<int16_t>(carea.x);
rect.y = static_cast<int16_t>(carea.y);
rect.w = static_cast<int16_t>(carea.width);
rect.h = static_cast<int16_t>(carea.height);
SDL_RenderSetClipRect(mRenderer, &rect);
return result;
}
void SDLGraphics::popClipArea()
{
gcn::Graphics::popClipArea();
if (mClipStack.empty())
return;
const gcn::ClipRectangle &carea = mClipStack.top();
SDL_Rect rect;
rect.x = static_cast<int16_t>(carea.x);
rect.y = static_cast<int16_t>(carea.y);
rect.w = static_cast<int16_t>(carea.width);
rect.h = static_cast<int16_t>(carea.height);
SDL_RenderSetClipRect(mRenderer, &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;
SDL_RenderDrawPoint(mRenderer, x, y);
}
void SDLGraphics::drawRectangle(const gcn::Rectangle &rectangle)
{
const SDL_Rect rect
{
static_cast<int16_t>(rectangle.x) + mClipStack.top().xOffset,
static_cast<int16_t>(rectangle.y) + mClipStack.top().yOffset,
static_cast<uint16_t>(rectangle.width),
static_cast<uint16_t>(rectangle.height)
};
SDL_SetRenderDrawColor(mRenderer, mColor.r, mColor.g, mColor.b, mColor.a);
SDL_RenderDrawRect(mRenderer, &rect);
}
void SDLGraphics::drawLine(int x1, int y1, int x2, int y2)
{
const gcn::ClipRectangle& top = mClipStack.top();
const int x0 = top.xOffset;
const int y0 = top.yOffset;
SDL_RenderDrawLine(mRenderer, x1 + x0, y1 + x0, x2 + x0, y2 + x0);
}
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;
}
int w1 = 0;
int h1 = 0;
SDL_GetWindowSize(mWindow, &w1, &h1);
mRect.w = w1;
mRect.h = h1;
mRenderer = graphicsManager.createRenderer(mWindow, 0);
SDLImageHelper::setRenderer(mRenderer);
return videoInfo();
}
#endif // USE_SDL2