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-rw-r--r--src/resources/ambientlayer.cpp4
-rw-r--r--src/resources/image.cpp12
-rw-r--r--src/resources/image.h2
-rw-r--r--src/resources/imagehelper.cpp471
-rw-r--r--src/resources/imagehelper.h107
-rw-r--r--src/resources/openglimagehelper.cpp278
-rw-r--r--src/resources/openglimagehelper.h122
-rw-r--r--src/resources/resourcemanager.cpp4
-rw-r--r--src/resources/sdlimagehelper.cpp280
-rw-r--r--src/resources/sdlimagehelper.h85
10 files changed, 793 insertions, 572 deletions
diff --git a/src/resources/ambientlayer.cpp b/src/resources/ambientlayer.cpp
index f2eaeab81..e51160efe 100644
--- a/src/resources/ambientlayer.cpp
+++ b/src/resources/ambientlayer.cpp
@@ -39,7 +39,7 @@ AmbientLayer::AmbientLayer(Image *img, float parallax,
if (!mImage)
return;
- if (keepRatio && !ImageHelper::useOpenGL()
+ if (keepRatio && !imageHelper->useOpenGL()
/*&& defaultScreenWidth != 0
&& defaultScreenHeight != 0*/
&& mainGraphics->mWidth != defaultScreenWidth
@@ -106,7 +106,7 @@ void AmbientLayer::draw(Graphics *graphics, int x, int y)
if (!mImage)
return;
- if (!ImageHelper::useOpenGL() || !mKeepRatio)
+ if (!imageHelper->useOpenGL() || !mKeepRatio)
{
graphics->drawImagePattern(mImage, static_cast<int>(-mPosX),
static_cast<int>(-mPosY), x + static_cast<int>(mPosX),
diff --git a/src/resources/image.cpp b/src/resources/image.cpp
index 5496a10d8..b060be6f4 100644
--- a/src/resources/image.cpp
+++ b/src/resources/image.cpp
@@ -37,6 +37,8 @@
#include "utils/stringutils.h"
#include "resources/imagehelper.h"
+#include "resources/openglimagehelper.h"
+#include "resources/sdlimagehelper.h"
#include "resources/subimage.h"
#include <SDL_image.h>
@@ -56,7 +58,7 @@ Image::Image(SDL_Surface *image, bool hasAlphaChannel0, Uint8 *alphaChannel):
mGLImage = 0;
#endif
- mUseAlphaCache = ImageHelper::mEnableAlphaCache;
+ mUseAlphaCache = SDLImageHelper::mEnableAlphaCache;
mBounds.x = 0;
mBounds.y = 0;
@@ -165,7 +167,7 @@ bool Image::hasAlphaChannel()
return mHasAlphaChannel;
#ifdef USE_OPENGL
- if (ImageHelper::mUseOpenGL)
+ if (OpenGLImageHelper::mUseOpenGL)
return true;
#endif
@@ -232,7 +234,7 @@ void Image::setAlpha(float alpha)
}
else
{
- mSDLSurface = ImageHelper::SDLDuplicateSurface(mSDLSurface);
+ mSDLSurface = SDLImageHelper::SDLDuplicateSurface(mSDLSurface);
}
// logger->log("miss");
}
@@ -310,7 +312,7 @@ Image* Image::SDLgetScaledImage(int width, int height)
// and about freeing the given SDL_surface*.
if (scaledSurface)
{
- scaledImage = ImageHelper::load(scaledSurface);
+ scaledImage = imageHelper->load(scaledSurface);
SDL_FreeSurface(scaledSurface);
}
}
@@ -321,7 +323,7 @@ Image *Image::getSubImage(int x, int y, int width, int height)
{
// Create a new clipped sub-image
#ifdef USE_OPENGL
- if (ImageHelper::mUseOpenGL)
+ if (OpenGLImageHelper::mUseOpenGL)
{
return new SubImage(this, mGLImage, x, y, width, height,
mTexWidth, mTexHeight);
diff --git a/src/resources/image.h b/src/resources/image.h
index 4bee1f0ed..c7d2657bd 100644
--- a/src/resources/image.h
+++ b/src/resources/image.h
@@ -56,6 +56,8 @@ class Image : public Resource
friend class CompoundSprite;
friend class Graphics;
friend class ImageHelper;
+ friend class OpenGLImageHelper;
+ friend class SDLImageHelper;
#ifdef USE_OPENGL
friend class OpenGLGraphics;
friend class OpenGL1Graphics;
diff --git a/src/resources/imagehelper.cpp b/src/resources/imagehelper.cpp
index 9ee52267e..a70889acd 100644
--- a/src/resources/imagehelper.cpp
+++ b/src/resources/imagehelper.cpp
@@ -25,11 +25,6 @@
#include "resources/dye.h"
#include "resources/resourcemanager.h"
-#ifdef USE_OPENGL
-#include "openglgraphics.h"
-#include "opengl1graphics.h"
-#endif
-
#include "client.h"
#include "logger.h"
#include "main.h"
@@ -43,14 +38,8 @@
#include "debug.h"
-#ifdef USE_OPENGL
-int ImageHelper::mUseOpenGL = 0;
-int ImageHelper::mTextureType = 0;
-int ImageHelper::mInternalTextureType = GL_RGBA8;
-int ImageHelper::mTextureSize = 0;
-bool ImageHelper::mBlur = true;
-#endif
-bool ImageHelper::mEnableAlphaCache = false;
+ImageHelper *imageHelper = nullptr;
+
bool ImageHelper::mEnableAlpha = true;
Resource *ImageHelper::load(SDL_RWops *rw)
@@ -69,198 +58,6 @@ Resource *ImageHelper::load(SDL_RWops *rw)
return image;
}
-Resource *ImageHelper::load(SDL_RWops *rw, Dye const &dye)
-{
- SDL_Surface *tmpImage = IMG_Load_RW(rw, 1);
-
- if (!tmpImage)
- {
- logger->log("Error, image load failed: %s", IMG_GetError());
- return nullptr;
- }
-
- SDL_Surface *surf = nullptr;
- SDL_PixelFormat rgba;
- rgba.palette = nullptr;
- rgba.BitsPerPixel = 32;
- rgba.BytesPerPixel = 4;
- rgba.colorkey = 0;
- rgba.alpha = 255;
- if (mUseOpenGL)
- {
- surf = convertTo32Bit(tmpImage);
- SDL_FreeSurface(tmpImage);
-
- Uint32 *pixels = static_cast<Uint32 *>(surf->pixels);
- DyePalette *pal = dye.getSPalete();
-
- if (pal)
- {
- for (Uint32 *p_end = pixels + surf->w * surf->h;
- pixels != p_end; ++pixels)
- {
- Uint8 *p = (Uint8 *)pixels;
- const int alpha = *p & 255;
- if (!alpha)
- continue;
- pal->replaceOGLColor(p);
- }
- }
- else
- {
- for (Uint32 *p_end = pixels + surf->w * surf->h;
- pixels != p_end; ++pixels)
- {
- const Uint32 p = *pixels;
- const int alpha = (p >> 24) & 255;
- if (!alpha)
- continue;
- int v[3];
- v[0] = (p) & 255;
- v[1] = (p >> 8) & 255;
- v[2] = (p >> 16 ) & 255;
- dye.update(v);
- *pixels = (v[0]) | (v[1] << 8) | (v[2] << 16) | (alpha << 24);
- }
- }
- }
- else
- {
- rgba.Rmask = 0xFF000000; rgba.Rloss = 0; rgba.Rshift = 24;
- rgba.Gmask = 0x00FF0000; rgba.Gloss = 0; rgba.Gshift = 16;
- rgba.Bmask = 0x0000FF00; rgba.Bloss = 0; rgba.Bshift = 8;
- rgba.Amask = 0x000000FF; rgba.Aloss = 0; rgba.Ashift = 0;
-
- surf = SDL_ConvertSurface(tmpImage, &rgba, SDL_SWSURFACE);
- SDL_FreeSurface(tmpImage);
-
- Uint32 *pixels = static_cast<Uint32 *>(surf->pixels);
- DyePalette *pal = dye.getSPalete();
-
- if (pal)
- {
- for (Uint32 *p_end = pixels + surf->w * surf->h;
- pixels != p_end; ++pixels)
- {
- Uint8 *p = (Uint8 *)pixels;
- const int alpha = *p & 255;
- if (!alpha)
- continue;
- pal->replaceColor(p + 1);
- }
- }
- else
- {
- for (Uint32 *p_end = pixels + surf->w * surf->h;
- pixels != p_end; ++pixels)
- {
- const Uint32 p = *pixels;
- const int alpha = p & 255;
- if (!alpha)
- continue;
- int v[3];
- v[0] = (p >> 24) & 255;
- v[1] = (p >> 16) & 255;
- v[2] = (p >> 8 ) & 255;
- dye.update(v);
- *pixels = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | alpha;
- }
- }
- }
-
- Image *image = load(surf);
- SDL_FreeSurface(surf);
- return image;
-}
-
-Image *ImageHelper::load(SDL_Surface *tmpImage)
-{
-#ifdef USE_OPENGL
- if (mUseOpenGL)
- return _GLload(tmpImage);
-#endif
- return _SDLload(tmpImage);
-}
-
-Image *ImageHelper::createTextSurface(SDL_Surface *tmpImage, float alpha)
-{
- if (!tmpImage)
- return nullptr;
-
- Image *img;
-#ifdef USE_OPENGL
- if (mUseOpenGL)
- {
- img = _GLload(tmpImage);
- if (img)
- img->setAlpha(alpha);
- return img;
- }
-#endif
-
- bool hasAlpha = false;
- bool converted = false;
-
- const int sz = tmpImage->w * tmpImage->h;
-
- // The alpha channel to be filled with alpha values
- Uint8 *alphaChannel = new Uint8[sz];
-
- const SDL_PixelFormat * const fmt = tmpImage->format;
- if (fmt->Amask)
- {
- for (int i = 0; i < sz; ++ i)
- {
- Uint32 c = (static_cast<Uint32*>(tmpImage->pixels))[i];
-
- unsigned v = (c & fmt->Amask) >> fmt->Ashift;
- Uint8 a = (v << fmt->Aloss) + (v >> (8 - (fmt->Aloss << 1)));
-
- Uint8 a2 = static_cast<Uint8>(static_cast<float>(a) * alpha);
-
- c &= ~fmt->Amask;
- c |= ((a2 >> fmt->Aloss) << fmt->Ashift & fmt->Amask);
- (static_cast<Uint32*>(tmpImage->pixels))[i] = c;
-
- if (a != 255)
- hasAlpha = true;
-
- alphaChannel[i] = a;
- }
- }
-
- SDL_Surface *image;
-
- // Convert the surface to the current display format
- if (hasAlpha)
- {
- image = SDL_DisplayFormatAlpha(tmpImage);
- }
- else
- {
- image = SDL_DisplayFormat(tmpImage);
-
- // We also delete the alpha channel since
- // it's not used.
- delete [] alphaChannel;
- alphaChannel = nullptr;
- }
-
- if (!image)
- {
- logger->log1("Error: Image convert failed.");
- delete [] alphaChannel;
- return nullptr;
- }
-
- if (converted)
- SDL_FreeSurface(tmpImage);
-
- img = new Image(image, hasAlpha, alphaChannel);
- img->mAlpha = alpha;
- return img;
-}
-
SDL_Surface* ImageHelper::convertTo32Bit(SDL_Surface* tmpImage)
{
if (!tmpImage)
@@ -301,261 +98,6 @@ SDL_Surface* ImageHelper::convertTo32Bit(SDL_Surface* tmpImage)
return SDL_ConvertSurface(tmpImage, &RGBAFormat, SDL_SWSURFACE);
}
-SDL_Surface* ImageHelper::SDLDuplicateSurface(SDL_Surface* tmpImage)
-{
- if (!tmpImage || !tmpImage->format)
- return nullptr;
-
- return SDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE);
-}
-
-Image *ImageHelper::_SDLload(SDL_Surface *tmpImage)
-{
- if (!tmpImage)
- return nullptr;
-
- bool hasAlpha = false;
- bool converted = false;
-
- if (tmpImage->format->BitsPerPixel != 32)
- {
- tmpImage = convertTo32Bit(tmpImage);
-
- if (!tmpImage)
- return nullptr;
- converted = true;
- }
-
- const int sz = tmpImage->w * tmpImage->h;
-
- // The alpha channel to be filled with alpha values
- Uint8 *alphaChannel = new Uint8[sz];
-
- // Figure out whether the image uses its alpha layer
- if (!tmpImage->format->palette)
- {
- const SDL_PixelFormat * const fmt = tmpImage->format;
- if (fmt->Amask)
- {
- for (int i = 0; i < sz; ++ i)
- {
- unsigned v = ((static_cast<Uint32*>(tmpImage->pixels))[i]
- & fmt->Amask) >> fmt->Ashift;
- Uint8 a = (v << fmt->Aloss) + (v >> (8 - (fmt->Aloss << 1)));
-
- if (a != 255)
- hasAlpha = true;
-
- alphaChannel[i] = a;
- }
- }
- else
- {
- if (SDL_ALPHA_OPAQUE != 255)
- {
- hasAlpha = true;
- memset(alphaChannel, SDL_ALPHA_OPAQUE, sz);
- }
- }
- }
- else
- {
- if (SDL_ALPHA_OPAQUE != 255)
- {
- hasAlpha = true;
- memset(alphaChannel, SDL_ALPHA_OPAQUE, sz);
- }
- }
-
- SDL_Surface *image;
-
- // Convert the surface to the current display format
- if (hasAlpha)
- {
- image = SDL_DisplayFormatAlpha(tmpImage);
- }
- else
- {
- image = SDL_DisplayFormat(tmpImage);
-
- // We also delete the alpha channel since
- // it's not used.
- delete [] alphaChannel;
- alphaChannel = nullptr;
- }
-
- if (!image)
- {
- logger->log1("Error: Image convert failed.");
- delete [] alphaChannel;
- return nullptr;
- }
-
- if (converted)
- SDL_FreeSurface(tmpImage);
-
- return new Image(image, hasAlpha, alphaChannel);
-}
-
-#ifdef USE_OPENGL
-int ImageHelper::powerOfTwo(int input)
-{
- int value;
- if (mTextureType == GL_TEXTURE_2D)
- {
- value = 1;
- while (value < input && value < mTextureSize)
- value <<= 1;
- }
- else
- {
- value = input;
- }
- return value >= mTextureSize ? mTextureSize : value;
-}
-
-Image *ImageHelper::_GLload(SDL_Surface *tmpImage)
-{
- if (!tmpImage)
- return nullptr;
-
- // Flush current error flag.
- glGetError();
-
- int width = tmpImage->w;
- int height = tmpImage->h;
- int realWidth = powerOfTwo(width);
- int realHeight = powerOfTwo(height);
-
- if (realWidth < width || realHeight < height)
- {
- logger->log("Warning: image too large, cropping to %dx%d texture!",
- tmpImage->w, tmpImage->h);
- }
-
- // Make sure the alpha channel is not used, but copied to destination
- SDL_SetAlpha(tmpImage, 0, SDL_ALPHA_OPAQUE);
-
- // Determine 32-bit masks based on byte order
- Uint32 rmask, gmask, bmask, amask;
-#if SDL_BYTEORDER == SDL_BIG_ENDIAN
- rmask = 0xff000000;
- gmask = 0x00ff0000;
- bmask = 0x0000ff00;
- amask = 0x000000ff;
-#else
- rmask = 0x000000ff;
- gmask = 0x0000ff00;
- bmask = 0x00ff0000;
- amask = 0xff000000;
-#endif
-
- SDL_Surface *oldImage = nullptr;
- if (tmpImage->format->BitsPerPixel != 32
- || realWidth != width || realHeight != height
- || rmask != tmpImage->format->Rmask
- || gmask != tmpImage->format->Gmask
- || amask != tmpImage->format->Amask)
- {
- oldImage = tmpImage;
- tmpImage = SDL_CreateRGBSurface(SDL_SWSURFACE, realWidth, realHeight,
- 32, rmask, gmask, bmask, amask);
-
- if (!tmpImage)
- {
- logger->log("Error, image convert failed: out of memory");
- return nullptr;
- }
- SDL_BlitSurface(oldImage, nullptr, tmpImage, nullptr);
- }
-
- GLuint texture;
- glGenTextures(1, &texture);
- if (mUseOpenGL == 1)
- OpenGLGraphics::bindTexture(mTextureType, texture);
- else if (mUseOpenGL == 2)
- OpenGL1Graphics::bindTexture(mTextureType, texture);
-
- if (SDL_MUSTLOCK(tmpImage))
- SDL_LockSurface(tmpImage);
-
- glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
- if (mBlur)
- {
- glTexParameteri(mTextureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
- glTexParameteri(mTextureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
- }
- else
- {
- glTexParameteri(mTextureType, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glTexParameteri(mTextureType, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- }
-
- glTexImage2D(mTextureType, 0, mInternalTextureType,
- tmpImage->w, tmpImage->h,
- 0, GL_RGBA, GL_UNSIGNED_BYTE, tmpImage->pixels);
-
-/*
- GLint compressed;
- glGetTexLevelParameteriv(mTextureType, 0,
- GL_TEXTURE_COMPRESSED_ARB, &compressed);
- if (compressed)
- logger->log("image compressed");
- else
- logger->log("image not compressed");
-*/
-
-#ifdef DEBUG_OPENGL_LEAKS
- textures_count ++;
-#endif
-
- if (SDL_MUSTLOCK(tmpImage))
- SDL_UnlockSurface(tmpImage);
-
- if (oldImage)
- SDL_FreeSurface(tmpImage);
-
- GLenum error = glGetError();
- if (error)
- {
- std::string errmsg = "Unknown error";
- switch (error)
- {
- case GL_INVALID_ENUM:
- errmsg = "GL_INVALID_ENUM";
- break;
- case GL_INVALID_VALUE:
- errmsg = "GL_INVALID_VALUE";
- break;
- case GL_INVALID_OPERATION:
- errmsg = "GL_INVALID_OPERATION";
- break;
- case GL_STACK_OVERFLOW:
- errmsg = "GL_STACK_OVERFLOW";
- break;
- case GL_STACK_UNDERFLOW:
- errmsg = "GL_STACK_UNDERFLOW";
- break;
- case GL_OUT_OF_MEMORY:
- errmsg = "GL_OUT_OF_MEMORY";
- break;
- default:
- break;
- }
- logger->log("Error: Image GL import failed: %s", errmsg.c_str());
- return nullptr;
- }
-
- return new Image(texture, width, height, realWidth, realHeight);
-}
-
-void ImageHelper::setLoadAsOpenGL(int useOpenGL)
-{
- ImageHelper::mUseOpenGL = useOpenGL;
-}
-
-#endif
-
void ImageHelper::dumpSurfaceFormat(SDL_Surface *image)
{
if (image->format)
@@ -571,12 +113,3 @@ void ImageHelper::dumpSurfaceFormat(SDL_Surface *image)
format->Gmask, format->Bmask, format->Amask);
}
}
-
-int ImageHelper::useOpenGL()
-{
-#ifdef USE_OPENGL
- return mUseOpenGL;
-#else
- return 0;
-#endif
-}
diff --git a/src/resources/imagehelper.h b/src/resources/imagehelper.h
index 680794625..b0cbca7e6 100644
--- a/src/resources/imagehelper.h
+++ b/src/resources/imagehelper.h
@@ -24,26 +24,11 @@
#define IMAGEHELPER_H
#include "localconsts.h"
-#include "main.h"
#include "resources/resource.h"
#include <SDL.h>
-#ifdef USE_OPENGL
-
-/* The definition of OpenGL extensions by SDL is giving problems with recent
- * gl.h headers, since they also include these definitions. As we're not using
- * extensions anyway it's safe to just disable the SDL version.
- */
-//#define NO_SDL_GLEXT
-#define GL_GLEXT_PROTOTYPES 1
-
-#include <SDL_opengl.h>
-#endif
-
-#include <map>
-
class Dye;
class Image;
@@ -52,17 +37,12 @@ struct Position;
/**
* Defines a class for loading and storing images.
*/
-class ImageHelper : public Resource
+class ImageHelper
{
- friend class CompoundSprite;
- friend class Graphics;
- friend class Image;
-#ifdef USE_OPENGL
- friend class OpenGLGraphics;
- friend class OpenGL1Graphics;
-#endif
-
public:
+ virtual ~ImageHelper()
+ { }
+
/**
* Loads an image from an SDL_RWops structure.
*
@@ -71,7 +51,7 @@ class ImageHelper : public Resource
* @return <code>NULL</code> if an error occurred, a valid pointer
* otherwise.
*/
- static Resource *load(SDL_RWops *rw);
+ Resource *load(SDL_RWops *rw);
/**
* Loads an image from an SDL_RWops structure and recolors it.
@@ -82,89 +62,28 @@ class ImageHelper : public Resource
* @return <code>NULL</code> if an error occurred, a valid pointer
* otherwise.
*/
- static Resource *load(SDL_RWops *rw, Dye const &dye);
+ virtual Resource *load(SDL_RWops *rw, Dye const &dye) = 0;
/**
* Loads an image from an SDL surface.
*/
- static Image *load(SDL_Surface *);
+ virtual Image *load(SDL_Surface *) = 0;
- static SDL_Surface *convertTo32Bit(SDL_Surface* tmpImage);
+ virtual Image *createTextSurface(SDL_Surface *tmpImage,
+ float alpha) = 0;
- static Image *createTextSurface(SDL_Surface *tmpImage, float alpha);
+ virtual int useOpenGL() = 0;
- static void SDLSetEnableAlphaCache(bool n)
- { mEnableAlphaCache = n; }
+ SDL_Surface *convertTo32Bit(SDL_Surface* tmpImage);
- static bool SDLGetEnableAlphaCache()
- { return mEnableAlphaCache; }
+ void dumpSurfaceFormat(SDL_Surface *image);
static void setEnableAlpha(bool n)
{ mEnableAlpha = n; }
-#ifdef USE_OPENGL
-
- // OpenGL only public functions
-
- /**
- * Sets the target image format. Use <code>false</code> for SDL and
- * <code>true</code> for OpenGL.
- */
- static void setLoadAsOpenGL(int useOpenGL);
-
- static int getLoadAsOpenGL()
- { return mUseOpenGL; }
-
- static int getTextureType()
- { return mTextureType; }
-
- static int getInternalTextureType()
- { return mInternalTextureType; }
-
- static void setInternalTextureType(int n)
- { mInternalTextureType = n; }
-
- static void setBlur(bool n)
- { mBlur = n; }
-
- static int mTextureType;
-
- static int mInternalTextureType;
-
- static void dumpSurfaceFormat(SDL_Surface *image);
-
- static SDL_Surface* SDLDuplicateSurface(SDL_Surface* tmpImage);
-
-#endif
-
- /**
- * Tells if the image was loaded using OpenGL or SDL
- * @return true if OpenGL, false if SDL.
- */
- static int useOpenGL();
-
protected:
- /** SDL_Surface to SDL_Surface Image loader */
- static Image *_SDLload(SDL_Surface *tmpImage);
-
- static bool mEnableAlphaCache;
static bool mEnableAlpha;
-
- // -----------------------
- // OpenGL protected members
- // -----------------------
-#ifdef USE_OPENGL
- /**
- * Returns the first power of two equal or bigger than the input.
- */
- static int powerOfTwo(int input);
-
- static Image *_GLload(SDL_Surface *tmpImage);
-
- static int mUseOpenGL;
- static int mTextureSize;
- static bool mBlur;
-#endif
};
+extern ImageHelper *imageHelper;
#endif
diff --git a/src/resources/openglimagehelper.cpp b/src/resources/openglimagehelper.cpp
new file mode 100644
index 000000000..1de5305c4
--- /dev/null
+++ b/src/resources/openglimagehelper.cpp
@@ -0,0 +1,278 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2012 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 "resources/openglimagehelper.h"
+
+#ifdef USE_OPENGL
+
+#include "resources/dye.h"
+#include "resources/resourcemanager.h"
+
+#include "openglgraphics.h"
+#include "opengl1graphics.h"
+
+#include "client.h"
+#include "logger.h"
+
+#include "utils/stringutils.h"
+
+#include "resources/image.h"
+
+#include <SDL_image.h>
+#include <SDL_rotozoom.h>
+
+#include "debug.h"
+
+int OpenGLImageHelper::mTextureType = 0;
+int OpenGLImageHelper::mInternalTextureType = GL_RGBA8;
+int OpenGLImageHelper::mTextureSize = 0;
+bool OpenGLImageHelper::mBlur = true;
+int OpenGLImageHelper::mUseOpenGL = 0;
+
+Resource *OpenGLImageHelper::load(SDL_RWops *rw, Dye const &dye)
+{
+ SDL_Surface *tmpImage = IMG_Load_RW(rw, 1);
+
+ if (!tmpImage)
+ {
+ logger->log("Error, image load failed: %s", IMG_GetError());
+ return nullptr;
+ }
+
+ SDL_Surface *surf = convertTo32Bit(tmpImage);
+ SDL_FreeSurface(tmpImage);
+
+ Uint32 *pixels = static_cast<Uint32 *>(surf->pixels);
+ DyePalette *pal = dye.getSPalete();
+
+ if (pal)
+ {
+ for (Uint32 *p_end = pixels + surf->w * surf->h;
+ pixels != p_end; ++pixels)
+ {
+ Uint8 *p = (Uint8 *)pixels;
+ const int alpha = *p & 255;
+ if (!alpha)
+ continue;
+ pal->replaceOGLColor(p);
+ }
+ }
+ else
+ {
+ for (Uint32 *p_end = pixels + surf->w * surf->h;
+ pixels != p_end; ++pixels)
+ {
+ const Uint32 p = *pixels;
+ const int alpha = (p >> 24) & 255;
+ if (!alpha)
+ continue;
+ int v[3];
+ v[0] = (p) & 255;
+ v[1] = (p >> 8) & 255;
+ v[2] = (p >> 16 ) & 255;
+ dye.update(v);
+ *pixels = (v[0]) | (v[1] << 8) | (v[2] << 16) | (alpha << 24);
+ }
+ }
+
+ Image *image = load(surf);
+ SDL_FreeSurface(surf);
+ return image;
+}
+
+Image *OpenGLImageHelper::load(SDL_Surface *tmpImage)
+{
+ return _GLload(tmpImage);
+}
+
+Image *OpenGLImageHelper::createTextSurface(SDL_Surface *tmpImage, float alpha)
+{
+ if (!tmpImage)
+ return nullptr;
+
+ Image *img = _GLload(tmpImage);
+ if (img)
+ img->setAlpha(alpha);
+ return img;
+}
+
+int OpenGLImageHelper::powerOfTwo(int input)
+{
+ int value;
+ if (mTextureType == GL_TEXTURE_2D)
+ {
+ value = 1;
+ while (value < input && value < mTextureSize)
+ value <<= 1;
+ }
+ else
+ {
+ value = input;
+ }
+ return value >= mTextureSize ? mTextureSize : value;
+}
+
+Image *OpenGLImageHelper::_GLload(SDL_Surface *tmpImage)
+{
+ if (!tmpImage)
+ return nullptr;
+
+ // Flush current error flag.
+ glGetError();
+
+ int width = tmpImage->w;
+ int height = tmpImage->h;
+ int realWidth = powerOfTwo(width);
+ int realHeight = powerOfTwo(height);
+
+ if (realWidth < width || realHeight < height)
+ {
+ logger->log("Warning: image too large, cropping to %dx%d texture!",
+ tmpImage->w, tmpImage->h);
+ }
+
+ // Make sure the alpha channel is not used, but copied to destination
+ SDL_SetAlpha(tmpImage, 0, SDL_ALPHA_OPAQUE);
+
+ // Determine 32-bit masks based on byte order
+ Uint32 rmask, gmask, bmask, amask;
+#if SDL_BYTEORDER == SDL_BIG_ENDIAN
+ rmask = 0xff000000;
+ gmask = 0x00ff0000;
+ bmask = 0x0000ff00;
+ amask = 0x000000ff;
+#else
+ rmask = 0x000000ff;
+ gmask = 0x0000ff00;
+ bmask = 0x00ff0000;
+ amask = 0xff000000;
+#endif
+
+ SDL_Surface *oldImage = nullptr;
+ if (tmpImage->format->BitsPerPixel != 32
+ || realWidth != width || realHeight != height
+ || rmask != tmpImage->format->Rmask
+ || gmask != tmpImage->format->Gmask
+ || amask != tmpImage->format->Amask)
+ {
+ oldImage = tmpImage;
+ tmpImage = SDL_CreateRGBSurface(SDL_SWSURFACE, realWidth, realHeight,
+ 32, rmask, gmask, bmask, amask);
+
+ if (!tmpImage)
+ {
+ logger->log("Error, image convert failed: out of memory");
+ return nullptr;
+ }
+ SDL_BlitSurface(oldImage, nullptr, tmpImage, nullptr);
+ }
+
+ GLuint texture;
+ glGenTextures(1, &texture);
+ if (mUseOpenGL == 1)
+ OpenGLGraphics::bindTexture(mTextureType, texture);
+ else if (mUseOpenGL == 2)
+ OpenGL1Graphics::bindTexture(mTextureType, texture);
+
+ if (SDL_MUSTLOCK(tmpImage))
+ SDL_LockSurface(tmpImage);
+
+ glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
+ if (mBlur)
+ {
+ glTexParameteri(mTextureType, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
+ glTexParameteri(mTextureType, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
+ }
+ else
+ {
+ glTexParameteri(mTextureType, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glTexParameteri(mTextureType, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ }
+
+ glTexImage2D(mTextureType, 0, mInternalTextureType,
+ tmpImage->w, tmpImage->h,
+ 0, GL_RGBA, GL_UNSIGNED_BYTE, tmpImage->pixels);
+
+/*
+ GLint compressed;
+ glGetTexLevelParameteriv(mTextureType, 0,
+ GL_TEXTURE_COMPRESSED_ARB, &compressed);
+ if (compressed)
+ logger->log("image compressed");
+ else
+ logger->log("image not compressed");
+*/
+
+#ifdef DEBUG_OPENGL_LEAKS
+ textures_count ++;
+#endif
+
+ if (SDL_MUSTLOCK(tmpImage))
+ SDL_UnlockSurface(tmpImage);
+
+ if (oldImage)
+ SDL_FreeSurface(tmpImage);
+
+ GLenum error = glGetError();
+ if (error)
+ {
+ std::string errmsg = "Unknown error";
+ switch (error)
+ {
+ case GL_INVALID_ENUM:
+ errmsg = "GL_INVALID_ENUM";
+ break;
+ case GL_INVALID_VALUE:
+ errmsg = "GL_INVALID_VALUE";
+ break;
+ case GL_INVALID_OPERATION:
+ errmsg = "GL_INVALID_OPERATION";
+ break;
+ case GL_STACK_OVERFLOW:
+ errmsg = "GL_STACK_OVERFLOW";
+ break;
+ case GL_STACK_UNDERFLOW:
+ errmsg = "GL_STACK_UNDERFLOW";
+ break;
+ case GL_OUT_OF_MEMORY:
+ errmsg = "GL_OUT_OF_MEMORY";
+ break;
+ default:
+ break;
+ }
+ logger->log("Error: Image GL import failed: %s", errmsg.c_str());
+ return nullptr;
+ }
+
+ return new Image(texture, width, height, realWidth, realHeight);
+}
+
+void OpenGLImageHelper::setLoadAsOpenGL(int useOpenGL)
+{
+ OpenGLImageHelper::mUseOpenGL = useOpenGL;
+}
+
+int OpenGLImageHelper::useOpenGL()
+{
+ return mUseOpenGL;
+}
+#endif
diff --git a/src/resources/openglimagehelper.h b/src/resources/openglimagehelper.h
new file mode 100644
index 000000000..b27409040
--- /dev/null
+++ b/src/resources/openglimagehelper.h
@@ -0,0 +1,122 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2012 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 OPENGLIMAGEHELPER_H
+#define OPENGLIMAGEHELPER_H
+
+#include "localconsts.h"
+#include "main.h"
+
+#include "resources/imagehelper.h"
+
+#include <SDL.h>
+
+#ifdef USE_OPENGL
+
+/* The definition of OpenGL extensions by SDL is giving problems with recent
+ * gl.h headers, since they also include these definitions. As we're not using
+ * extensions anyway it's safe to just disable the SDL version.
+ */
+//#define NO_SDL_GLEXT
+#define GL_GLEXT_PROTOTYPES 1
+
+#include <SDL_opengl.h>
+#endif
+
+class Dye;
+class Image;
+
+/**
+ * Defines a class for loading and storing images.
+ */
+class OpenGLImageHelper : public ImageHelper
+{
+ friend class CompoundSprite;
+ friend class Graphics;
+ friend class Image;
+
+ public:
+ virtual ~OpenGLImageHelper()
+ { }
+
+ /**
+ * Loads an image from an SDL_RWops structure and recolors it.
+ *
+ * @param rw The SDL_RWops to load the image from.
+ * @param dye The dye used to recolor the image.
+ *
+ * @return <code>NULL</code> if an error occurred, a valid pointer
+ * otherwise.
+ */
+ Resource *load(SDL_RWops *rw, Dye const &dye);
+
+ /**
+ * Loads an image from an SDL surface.
+ */
+ Image *load(SDL_Surface *);
+
+ Image *createTextSurface(SDL_Surface *tmpImage, float alpha);
+
+ // OpenGL only public functions
+
+ /**
+ * Sets the target image format. Use <code>false</code> for SDL and
+ * <code>true</code> for OpenGL.
+ */
+ static void setLoadAsOpenGL(int useOpenGL);
+
+ static int getTextureType()
+ { return mTextureType; }
+
+ static int getInternalTextureType()
+ { return mInternalTextureType; }
+
+ static void setInternalTextureType(int n)
+ { mInternalTextureType = n; }
+
+ static void setBlur(bool n)
+ { mBlur = n; }
+
+ static int mTextureType;
+
+ static int mInternalTextureType;
+
+ /**
+ * Tells if the image was loaded using OpenGL or SDL
+ * @return true if OpenGL, false if SDL.
+ */
+ int useOpenGL();
+
+ protected:
+ /**
+ * Returns the first power of two equal or bigger than the input.
+ */
+ int powerOfTwo(int input);
+
+ Image *_GLload(SDL_Surface *tmpImage);
+
+ static int mUseOpenGL;
+ static int mTextureSize;
+ static bool mBlur;
+};
+
+#endif
diff --git a/src/resources/resourcemanager.cpp b/src/resources/resourcemanager.cpp
index 62a604ebe..37975cf16 100644
--- a/src/resources/resourcemanager.cpp
+++ b/src/resources/resourcemanager.cpp
@@ -457,8 +457,8 @@ struct DyedImageLoader
delete d;
return nullptr;
}
- Resource *res = d ? ImageHelper::load(rw, *d)
- : ImageHelper::load(rw);
+ Resource *res = d ? imageHelper->load(rw, *d)
+ : imageHelper->load(rw);
delete d;
return res;
}
diff --git a/src/resources/sdlimagehelper.cpp b/src/resources/sdlimagehelper.cpp
new file mode 100644
index 000000000..66e1bc823
--- /dev/null
+++ b/src/resources/sdlimagehelper.cpp
@@ -0,0 +1,280 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2012 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 "resources/sdlimagehelper.h"
+
+#include "resources/dye.h"
+#include "resources/resourcemanager.h"
+
+#include "client.h"
+#include "logger.h"
+#include "main.h"
+
+#include "utils/stringutils.h"
+
+#include "resources/image.h"
+
+#include <SDL_image.h>
+#include <SDL_rotozoom.h>
+
+#include "debug.h"
+
+bool SDLImageHelper::mEnableAlphaCache = false;
+
+Resource *SDLImageHelper::load(SDL_RWops *rw, Dye const &dye)
+{
+ SDL_Surface *tmpImage = IMG_Load_RW(rw, 1);
+
+ if (!tmpImage)
+ {
+ logger->log("Error, image load failed: %s", IMG_GetError());
+ return nullptr;
+ }
+
+ SDL_Surface *surf = nullptr;
+ SDL_PixelFormat rgba;
+ rgba.palette = nullptr;
+ rgba.BitsPerPixel = 32;
+ rgba.BytesPerPixel = 4;
+ rgba.colorkey = 0;
+ rgba.alpha = 255;
+ rgba.Rmask = 0xFF000000; rgba.Rloss = 0; rgba.Rshift = 24;
+ rgba.Gmask = 0x00FF0000; rgba.Gloss = 0; rgba.Gshift = 16;
+ rgba.Bmask = 0x0000FF00; rgba.Bloss = 0; rgba.Bshift = 8;
+ rgba.Amask = 0x000000FF; rgba.Aloss = 0; rgba.Ashift = 0;
+
+ surf = SDL_ConvertSurface(tmpImage, &rgba, SDL_SWSURFACE);
+ SDL_FreeSurface(tmpImage);
+
+ Uint32 *pixels = static_cast<Uint32 *>(surf->pixels);
+ DyePalette *pal = dye.getSPalete();
+
+ if (pal)
+ {
+ for (Uint32 *p_end = pixels + surf->w * surf->h;
+ pixels != p_end; ++pixels)
+ {
+ Uint8 *p = (Uint8 *)pixels;
+ const int alpha = *p & 255;
+ if (!alpha)
+ continue;
+ pal->replaceColor(p + 1);
+ }
+ }
+ else
+ {
+ for (Uint32 *p_end = pixels + surf->w * surf->h;
+ pixels != p_end; ++pixels)
+ {
+ const Uint32 p = *pixels;
+ const int alpha = p & 255;
+ if (!alpha)
+ continue;
+ int v[3];
+ v[0] = (p >> 24) & 255;
+ v[1] = (p >> 16) & 255;
+ v[2] = (p >> 8 ) & 255;
+ dye.update(v);
+ *pixels = (v[0] << 24) | (v[1] << 16) | (v[2] << 8) | alpha;
+ }
+ }
+
+ Image *image = load(surf);
+ SDL_FreeSurface(surf);
+ return image;
+}
+
+Image *SDLImageHelper::load(SDL_Surface *tmpImage)
+{
+ return _SDLload(tmpImage);
+}
+
+Image *SDLImageHelper::createTextSurface(SDL_Surface *tmpImage, float alpha)
+{
+ if (!tmpImage)
+ return nullptr;
+
+ Image *img;
+
+ bool hasAlpha = false;
+ bool converted = false;
+
+ const int sz = tmpImage->w * tmpImage->h;
+
+ // The alpha channel to be filled with alpha values
+ Uint8 *alphaChannel = new Uint8[sz];
+
+ const SDL_PixelFormat * const fmt = tmpImage->format;
+ if (fmt->Amask)
+ {
+ for (int i = 0; i < sz; ++ i)
+ {
+ Uint32 c = (static_cast<Uint32*>(tmpImage->pixels))[i];
+
+ unsigned v = (c & fmt->Amask) >> fmt->Ashift;
+ Uint8 a = (v << fmt->Aloss) + (v >> (8 - (fmt->Aloss << 1)));
+
+ Uint8 a2 = static_cast<Uint8>(static_cast<float>(a) * alpha);
+
+ c &= ~fmt->Amask;
+ c |= ((a2 >> fmt->Aloss) << fmt->Ashift & fmt->Amask);
+ (static_cast<Uint32*>(tmpImage->pixels))[i] = c;
+
+ if (a != 255)
+ hasAlpha = true;
+
+ alphaChannel[i] = a;
+ }
+ }
+
+ SDL_Surface *image;
+
+ // Convert the surface to the current display format
+ if (hasAlpha)
+ {
+ image = SDL_DisplayFormatAlpha(tmpImage);
+ }
+ else
+ {
+ image = SDL_DisplayFormat(tmpImage);
+
+ // We also delete the alpha channel since
+ // it's not used.
+ delete [] alphaChannel;
+ alphaChannel = nullptr;
+ }
+
+ if (!image)
+ {
+ logger->log1("Error: Image convert failed.");
+ delete [] alphaChannel;
+ return nullptr;
+ }
+
+ if (converted)
+ SDL_FreeSurface(tmpImage);
+
+ img = new Image(image, hasAlpha, alphaChannel);
+ img->mAlpha = alpha;
+ return img;
+}
+
+SDL_Surface* SDLImageHelper::SDLDuplicateSurface(SDL_Surface* tmpImage)
+{
+ if (!tmpImage || !tmpImage->format)
+ return nullptr;
+
+ return SDL_ConvertSurface(tmpImage, tmpImage->format, SDL_SWSURFACE);
+}
+
+Image *SDLImageHelper::_SDLload(SDL_Surface *tmpImage)
+{
+ if (!tmpImage)
+ return nullptr;
+
+ bool hasAlpha = false;
+ bool converted = false;
+
+ if (tmpImage->format->BitsPerPixel != 32)
+ {
+ tmpImage = convertTo32Bit(tmpImage);
+
+ if (!tmpImage)
+ return nullptr;
+ converted = true;
+ }
+
+ const int sz = tmpImage->w * tmpImage->h;
+
+ // The alpha channel to be filled with alpha values
+ Uint8 *alphaChannel = new Uint8[sz];
+
+ // Figure out whether the image uses its alpha layer
+ if (!tmpImage->format->palette)
+ {
+ const SDL_PixelFormat * const fmt = tmpImage->format;
+ if (fmt->Amask)
+ {
+ for (int i = 0; i < sz; ++ i)
+ {
+ unsigned v = ((static_cast<Uint32*>(tmpImage->pixels))[i]
+ & fmt->Amask) >> fmt->Ashift;
+ Uint8 a = (v << fmt->Aloss) + (v >> (8 - (fmt->Aloss << 1)));
+
+ if (a != 255)
+ hasAlpha = true;
+
+ alphaChannel[i] = a;
+ }
+ }
+ else
+ {
+ if (SDL_ALPHA_OPAQUE != 255)
+ {
+ hasAlpha = true;
+ memset(alphaChannel, SDL_ALPHA_OPAQUE, sz);
+ }
+ }
+ }
+ else
+ {
+ if (SDL_ALPHA_OPAQUE != 255)
+ {
+ hasAlpha = true;
+ memset(alphaChannel, SDL_ALPHA_OPAQUE, sz);
+ }
+ }
+
+ SDL_Surface *image;
+
+ // Convert the surface to the current display format
+ if (hasAlpha)
+ {
+ image = SDL_DisplayFormatAlpha(tmpImage);
+ }
+ else
+ {
+ image = SDL_DisplayFormat(tmpImage);
+
+ // We also delete the alpha channel since
+ // it's not used.
+ delete [] alphaChannel;
+ alphaChannel = nullptr;
+ }
+
+ if (!image)
+ {
+ logger->log1("Error: Image convert failed.");
+ delete [] alphaChannel;
+ return nullptr;
+ }
+
+ if (converted)
+ SDL_FreeSurface(tmpImage);
+
+ return new Image(image, hasAlpha, alphaChannel);
+}
+
+int SDLImageHelper::useOpenGL()
+{
+ return 0;
+}
diff --git a/src/resources/sdlimagehelper.h b/src/resources/sdlimagehelper.h
new file mode 100644
index 000000000..cecbf6c93
--- /dev/null
+++ b/src/resources/sdlimagehelper.h
@@ -0,0 +1,85 @@
+/*
+ * The ManaPlus Client
+ * Copyright (C) 2004-2009 The Mana World Development Team
+ * Copyright (C) 2009-2010 The Mana Developers
+ * Copyright (C) 2011-2012 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 SDLIMAGEHELPER_H
+#define SDLIMAGEHELPER_H
+
+#include "localconsts.h"
+
+#include "resources/imagehelper.h"
+
+#include <SDL.h>
+
+class Dye;
+class Image;
+
+/**
+ * Defines a class for loading and storing images.
+ */
+class SDLImageHelper : public ImageHelper
+{
+ friend class Image;
+
+ public:
+ virtual ~SDLImageHelper()
+ { }
+
+ /**
+ * Loads an image from an SDL_RWops structure and recolors it.
+ *
+ * @param rw The SDL_RWops to load the image from.
+ * @param dye The dye used to recolor the image.
+ *
+ * @return <code>NULL</code> if an error occurred, a valid pointer
+ * otherwise.
+ */
+ Resource *load(SDL_RWops *rw, Dye const &dye);
+
+ /**
+ * Loads an image from an SDL surface.
+ */
+ Image *load(SDL_Surface *);
+
+ Image *createTextSurface(SDL_Surface *tmpImage, float alpha);
+
+ static void SDLSetEnableAlphaCache(bool n)
+ { mEnableAlphaCache = n; }
+
+ static bool SDLGetEnableAlphaCache()
+ { return mEnableAlphaCache; }
+
+ /**
+ * Tells if the image was loaded using OpenGL or SDL
+ * @return true if OpenGL, false if SDL.
+ */
+ int useOpenGL();
+
+ static SDL_Surface* SDLDuplicateSurface(SDL_Surface* tmpImage);
+
+ protected:
+ /** SDL_Surface to SDL_Surface Image loader */
+ Image *_SDLload(SDL_Surface *tmpImage);
+
+ static bool mEnableAlphaCache;
+};
+
+#endif
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-10 23:38:59 +0000