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authorAndrei Karas <akaras@inbox.ru>2016-06-07 15:41:00 +0300
committerAndrei Karas <akaras@inbox.ru>2016-06-07 15:41:00 +0300
commitf69f346518f473f4f8fb13966e5831d105d1239c (patch)
tree4c5f44aaedbeb07af2197720c43ed86d68d0605d /src/resources/image.cpp
parent0ea2569615fb54cfd3d0606fb9cb86aee9efea4c (diff)
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Move image class into image directory.
Diffstat (limited to 'src/resources/image.cpp')
-rw-r--r--src/resources/image.cpp499
1 files changed, 0 insertions, 499 deletions
diff --git a/src/resources/image.cpp b/src/resources/image.cpp
deleted file mode 100644
index 26322aed9..000000000
--- a/src/resources/image.cpp
+++ /dev/null
@@ -1,499 +0,0 @@
-/*
- * The ManaPlus Client
- * Copyright (C) 2004-2009 The Mana World Development Team
- * Copyright (C) 2009-2010 The Mana Developers
- * Copyright (C) 2011-2016 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/image.h"
-
-#include "logger.h"
-
-#ifdef USE_OPENGL
-#include "resources/openglimagehelper.h"
-#endif // USE_OPENGL
-
-#include "resources/memorymanager.h"
-#include "resources/sdlimagehelper.h"
-#include "resources/subimage.h"
-
-#include "resources/resourcemanager/resourcemanager.h"
-
-#include "utils/sdlcheckutils.h"
-
-#ifdef USE_SDL2
-#include <SDL2_rotozoom.h>
-#else // USE_SDL2
-#include <SDL_rotozoom.h>
-#endif // USE_SDL2
-
-#include "debug.h"
-
-#ifdef USE_SDL2
-Image::Image(SDL_Texture *restrict const image,
- const int width, const int height) :
- Resource(),
-#ifdef USE_OPENGL
- mGLImage(0),
- mTexWidth(0),
- mTexHeight(0),
-#endif
- mBounds(),
- mAlpha(1.0F),
- mSDLSurface(nullptr),
- mTexture(image),
- mAlphaChannel(nullptr),
- mAlphaCache(),
- mLoaded(false),
- mHasAlphaChannel(false),
- mUseAlphaCache(false),
- mIsAlphaVisible(true),
- mIsAlphaCalculated(false)
-{
-#ifdef DEBUG_IMAGES
- logger->log("created image: %p", this);
-#endif
-
- mBounds.x = 0;
- mBounds.y = 0;
-
- if (mTexture)
- {
- mBounds.w = CAST_U16(width);
- mBounds.h = CAST_U16(height);
-
- mLoaded = true;
- }
- else
- {
- logger->log("Image::Image(SDL_Texture *const image):"
- " Couldn't load invalid Surface!");
- mBounds.w = 0;
- mBounds.h = 0;
- }
-}
-#endif
-
-Image::Image(SDL_Surface *restrict const image, const bool hasAlphaChannel0,
- uint8_t *restrict const alphaChannel) :
- Resource(),
-#ifdef USE_OPENGL
- mGLImage(0),
- mTexWidth(0),
- mTexHeight(0),
-#endif
- mBounds(),
- mAlpha(1.0F),
- mSDLSurface(image),
-#ifdef USE_SDL2
- mTexture(nullptr),
-#endif
- mAlphaChannel(alphaChannel),
- mAlphaCache(),
- mLoaded(false),
- mHasAlphaChannel(hasAlphaChannel0),
- mUseAlphaCache(SDLImageHelper::mEnableAlphaCache),
- mIsAlphaVisible(hasAlphaChannel0),
- mIsAlphaCalculated(false)
-{
-#ifdef DEBUG_IMAGES
- logger->log("created image: %p", static_cast<void*>(this));
-#endif
-
- mBounds.x = 0;
- mBounds.y = 0;
-
- if (mSDLSurface)
- {
- mBounds.w = CAST_U16(mSDLSurface->w);
- mBounds.h = CAST_U16(mSDLSurface->h);
-
- mLoaded = true;
- }
- else
- {
- logger->log(
- "Image::Image(SDL_Surface*): Couldn't load invalid Surface!");
- mBounds.w = 0;
- mBounds.h = 0;
- }
-}
-
-#ifdef USE_OPENGL
-Image::Image(const GLuint glimage, const int width, const int height,
- const int texWidth, const int texHeight) :
- Resource(),
- mGLImage(glimage),
- mTexWidth(texWidth),
- mTexHeight(texHeight),
- mBounds(),
- mAlpha(1.0F),
- mSDLSurface(nullptr),
-#ifdef USE_SDL2
- mTexture(nullptr),
-#endif
- mAlphaChannel(nullptr),
- mAlphaCache(),
- mLoaded(false),
- mHasAlphaChannel(true),
- mUseAlphaCache(false),
- mIsAlphaVisible(true),
- mIsAlphaCalculated(false)
-{
-#ifdef DEBUG_IMAGES
- logger->log("created image: %p", static_cast<void*>(this));
-#endif
-
- mBounds.x = 0;
- mBounds.y = 0;
- mBounds.w = CAST_U16(width);
- mBounds.h = CAST_U16(height);
-
- if (mGLImage)
- {
- mLoaded = true;
- }
- else
- {
- logger->log("Image::Image(GLuint*, ...):"
- " Couldn't load invalid Surface!");
- }
-}
-#endif
-
-Image::~Image()
-{
-#ifdef DEBUG_IMAGES
- logger->log("delete image: %p", static_cast<void*>(this));
- logger->log(" %s, %s", mIdPath.c_str(), mSource.c_str());
-#endif
- unload();
-}
-
-void Image::SDLCleanCache()
-{
- for (std::map<float, SDL_Surface*>::iterator
- i = mAlphaCache.begin(), i_end = mAlphaCache.end();
- i != i_end; ++i)
- {
- if (mSDLSurface != i->second)
- resourceManager->scheduleDelete(i->second);
- i->second = nullptr;
- }
- mAlphaCache.clear();
-}
-
-void Image::unload()
-{
- mLoaded = false;
-
- if (mSDLSurface)
- {
- SDLCleanCache();
- // Free the image surface.
- MSDL_FreeSurface(mSDLSurface);
- mSDLSurface = nullptr;
-
- delete [] mAlphaChannel;
- mAlphaChannel = nullptr;
- }
-#ifdef USE_SDL2
- if (mTexture)
- {
- SDL_DestroyTexture(mTexture);
- mTexture = nullptr;
- }
-#endif
-
-#ifdef USE_OPENGL
- if (mGLImage)
- {
- glDeleteTextures(1, &mGLImage);
- mGLImage = 0;
-#ifdef DEBUG_OPENGL_LEAKS
- if (textures_count > 0)
- textures_count --;
-#endif
- }
-#endif
-}
-
-bool Image::hasAlphaChannel() const
-{
- if (mLoaded)
- return mHasAlphaChannel;
-
-#ifdef USE_OPENGL
- if (OpenGLImageHelper::mUseOpenGL != RENDER_SOFTWARE)
- return true;
-#endif
-
- return false;
-}
-
-SDL_Surface *Image::getByAlpha(const float alpha)
-{
- const std::map<float, SDL_Surface*>::const_iterator
- it = mAlphaCache.find(alpha);
- if (it != mAlphaCache.end())
- return (*it).second;
- return nullptr;
-}
-
-void Image::setAlpha(const float alpha)
-{
- if (mAlpha == alpha || !ImageHelper::mEnableAlpha)
- return;
-
- if (alpha < 0.0F || alpha > 1.0F)
- return;
-
- if (mSDLSurface)
- {
- if (mUseAlphaCache)
- {
- SDL_Surface *surface = getByAlpha(mAlpha);
- if (!surface)
- {
- if (mAlphaCache.size() > 100)
- {
-#ifdef DEBUG_ALPHA_CACHE
- logger->log("cleanCache");
- for (std::map<float, SDL_Surface*>::const_iterator
- i = mAlphaCache.begin(), i_end = mAlphaCache.end();
- i != i_end; ++i)
- {
- logger->log("alpha: " + toString(i->first));
- }
-#endif
- SDLCleanCache();
- }
- surface = mSDLSurface;
- if (surface)
- mAlphaCache[mAlpha] = surface;
- }
- else
- {
- logger->log("cache bug");
- }
-
- surface = getByAlpha(alpha);
- if (surface)
- {
- if (mSDLSurface == surface)
- logger->log("bug");
- mAlphaCache.erase(alpha);
- mSDLSurface = surface;
- mAlpha = alpha;
- return;
- }
- else
- {
- mSDLSurface = SDLImageHelper::SDLDuplicateSurface(mSDLSurface);
- if (!mSDLSurface)
- return;
- }
- }
-
- mAlpha = alpha;
-
- if (!mHasAlphaChannel)
- {
-#ifdef USE_SDL2
- SDL_SetSurfaceAlphaMod(mSDLSurface,
- CAST_U8(255 * mAlpha));
-#else
- // Set the alpha value this image is drawn at
- SDL_SetAlpha(mSDLSurface, SDL_SRCALPHA,
- CAST_U8(255 * mAlpha));
-#endif
- }
- else
- {
- if (SDL_MUSTLOCK(mSDLSurface))
- SDL_LockSurface(mSDLSurface);
-
- const int bx = mBounds.x;
- const int by = mBounds.y;
- const int bw = mBounds.w;
- const int bh = mBounds.h;
- const int bxw = bx + bw;
- const int sw = mSDLSurface->w;
- const int maxHeight = std::min(by + bh, mSDLSurface->h);
- const int maxWidth = std::min(bxw, sw);
- const int i1 = by * sw + bx;
- const SDL_PixelFormat * const fmt = mSDLSurface->format;
- const uint32_t amask = fmt->Amask;
- const uint32_t invMask = ~fmt->Amask;
- const uint8_t aloss = fmt->Aloss;
- const uint8_t ashift = fmt->Ashift;
-
- if (!bx && bxw == sw)
- {
- const int i2 = (maxHeight - 1) * sw + maxWidth - 1;
- for (int i = i1; i <= i2; i++)
- {
- const uint8_t sourceAlpha = mAlphaChannel[i];
- if (sourceAlpha > 0)
- {
- const uint8_t a = CAST_U8(
- static_cast<float>(sourceAlpha) * mAlpha);
-
- uint32_t c = (static_cast<uint32_t*>(
- mSDLSurface->pixels))[i];
- c &= invMask;
- c |= ((a >> aloss) << ashift & amask);
- (static_cast<uint32_t*>(mSDLSurface->pixels))[i] = c;
- }
- }
- }
- else
- {
- for (int y = by; y < maxHeight; y ++)
- {
- const int idx = y * sw;
- const int x1 = idx + bx;
- const int x2 = idx + maxWidth;
- for (int i = x1; i < x2; i ++)
- {
- const uint8_t sourceAlpha = mAlphaChannel[i];
- if (sourceAlpha > 0)
- {
- const uint8_t a = CAST_U8(
- static_cast<float>(sourceAlpha) * mAlpha);
-
- uint32_t c = (static_cast<uint32_t*>(
- mSDLSurface->pixels))[i];
- c &= invMask;
- c |= ((a >> aloss) << ashift & amask);
- (static_cast<uint32_t*>(
- mSDLSurface->pixels))[i] = c;
- }
- }
- }
- }
-
- if (SDL_MUSTLOCK(mSDLSurface))
- SDL_UnlockSurface(mSDLSurface);
- }
- }
-#ifdef USE_SDL2
- else if (mTexture)
- {
- mAlpha = alpha;
- SDL_SetTextureAlphaMod(mTexture,
- CAST_U8(255 * mAlpha));
- }
-#endif
- else
- {
- mAlpha = alpha;
- }
-}
-
-Image* Image::SDLgetScaledImage(const int width, const int height) const
-{
- // No scaling on incorrect new values.
- if (width == 0 || height == 0)
- return nullptr;
-
- // No scaling when there is ... no different given size ...
- if (width == mBounds.w && height == mBounds.h)
- return nullptr;
-
- Image* scaledImage = nullptr;
-
- if (mSDLSurface)
- {
- SDL_Surface *const scaledSurface = zoomSurface(mSDLSurface,
- static_cast<double>(width) / mBounds.w,
- static_cast<double>(height) / mBounds.h,
- 1);
-
- // The load function takes care of the SDL<->OpenGL implementation
- // and about freeing the given SDL_surface*.
- if (scaledSurface)
- {
- scaledImage = imageHelper->loadSurface(scaledSurface);
- MSDL_FreeSurface(scaledSurface);
- }
- }
- return scaledImage;
-}
-
-Image *Image::getSubImage(const int x, const int y,
- const int width, const int height)
-{
- // Create a new clipped sub-image
-#ifdef USE_OPENGL
- const RenderType mode = OpenGLImageHelper::mUseOpenGL;
- if (mode == RENDER_NORMAL_OPENGL ||
- mode == RENDER_SAFE_OPENGL ||
- mode == RENDER_GLES_OPENGL ||
- mode == RENDER_GLES2_OPENGL ||
- mode == RENDER_MODERN_OPENGL)
- {
- return new SubImage(this,
- mGLImage,
- x, y,
- width, height,
- mTexWidth, mTexHeight);
- }
-#endif
-
-#ifdef USE_SDL2
-#ifndef USE_OPENGL
- const RenderType mode = ImageHelper::mUseOpenGL;
-#endif
- if (mode == RENDER_SOFTWARE)
- return new SubImage(this, mSDLSurface, x, y, width, height);
- else
- return new SubImage(this, mTexture, x, y, width, height);
-#else
- return new SubImage(this, mSDLSurface, x, y, width, height);
-#endif
-}
-
-void Image::SDLTerminateAlphaCache()
-{
- SDLCleanCache();
- mUseAlphaCache = false;
-}
-
-int Image::calcMemoryLocal() const
-{
- // +++ this calculation can be wrong for SDL2
- int sz = static_cast<int>(sizeof(Image) +
- sizeof(std::map<float, SDL_Surface*>)) +
- Resource::calcMemoryLocal();
- if (mSDLSurface)
- {
- sz += CAST_S32(mAlphaCache.size()) *
- memoryManager.getSurfaceSize(mSDLSurface);
- }
- return sz;
-}
-
-#ifdef USE_OPENGL
-void Image::decRef()
-{
- if (mGLImage && getRefCount() <= 1)
- OpenGLImageHelper::invalidate(mGLImage);
- Resource::decRef();
-}
-#endif