summaryrefslogtreecommitdiff
path: root/src/resources
diff options
context:
space:
mode:
Diffstat (limited to 'src/resources')
-rw-r--r--src/resources/ambientlayer.cpp4
-rw-r--r--src/resources/ambientoverlay.cpp4
-rw-r--r--src/resources/image.cpp35
-rw-r--r--src/resources/image.h54
4 files changed, 56 insertions, 41 deletions
diff --git a/src/resources/ambientlayer.cpp b/src/resources/ambientlayer.cpp
index 50fe8bd9..b662ddeb 100644
--- a/src/resources/ambientlayer.cpp
+++ b/src/resources/ambientlayer.cpp
@@ -33,7 +33,7 @@ AmbientLayer::AmbientLayer(Image *img, float parallax,
mKeepRatio(keepRatio)
{
- if (keepRatio && !mImage->isAnOpenGLOne()
+ if (keepRatio && !mImage->useOpenGL()
&& defaultScreenWidth != 0
&& defaultScreenHeight != 0
&& graphics->getWidth() != defaultScreenWidth
@@ -92,7 +92,7 @@ void AmbientLayer::update(int timePassed, float dx, float dy)
void AmbientLayer::draw(Graphics *graphics, int x, int y)
{
- if (!mImage->isAnOpenGLOne() || !mKeepRatio)
+ if (!mImage->useOpenGL() || !mKeepRatio)
graphics->drawImagePattern(mImage,
(int) -mPosX, (int) -mPosY, x + (int) mPosX, y + (int) mPosY);
else
diff --git a/src/resources/ambientoverlay.cpp b/src/resources/ambientoverlay.cpp
index 64a46676..aba12f84 100644
--- a/src/resources/ambientoverlay.cpp
+++ b/src/resources/ambientoverlay.cpp
@@ -34,7 +34,7 @@ AmbientOverlay::AmbientOverlay(Image *img, float parallax,
mKeepRatio(keepRatio)
{
- if (keepRatio && !mImage->isAnOpenGLOne()
+ if (keepRatio && !mImage->useOpenGL()
&& defaultScreenWidth != 0
&& defaultScreenHeight != 0
&& graphics->getWidth() != defaultScreenWidth
@@ -92,7 +92,7 @@ void AmbientOverlay::update(int timePassed, float dx, float dy)
void AmbientOverlay::draw(Graphics *graphics, int x, int y)
{
- if (!mImage->isAnOpenGLOne() || !mKeepRatio)
+ if (!mImage->useOpenGL() || !mKeepRatio)
graphics->drawImagePattern(mImage,
(int) -mPosX, (int) -mPosY, x + (int) mPosX, y + (int) mPosY);
else
diff --git a/src/resources/image.cpp b/src/resources/image.cpp
index 42a6ab56..63f1bd2c 100644
--- a/src/resources/image.cpp
+++ b/src/resources/image.cpp
@@ -41,11 +41,14 @@ int Image::mTextureSize = 0;
#endif
bool Image::mEnableAlphaCache = false;
+// The low CPU mode is disabled per default
+bool Image::mDisableTransparency = false;
+
Image::Image(SDL_Surface *image, bool hasAlphaChannel, Uint8 *alphaChannel):
mAlpha(1.0f),
- mHasAlphaChannel(hasAlphaChannel),
mSDLSurface(image),
- mAlphaChannel(alphaChannel)
+ mAlphaChannel(alphaChannel),
+ mHasAlphaChannel(hasAlphaChannel)
{
#ifdef USE_OPENGL
mGLImage = 0;
@@ -73,9 +76,9 @@ Image::Image(SDL_Surface *image, bool hasAlphaChannel, Uint8 *alphaChannel):
#ifdef USE_OPENGL
Image::Image(GLuint glimage, int width, int height, int texWidth, int texHeight):
mAlpha(1.0f),
- mHasAlphaChannel(true),
mSDLSurface(0),
mAlphaChannel(0),
+ mHasAlphaChannel(true),
mUseAlphaCache(false),
mGLImage(glimage),
mTexWidth(texWidth),
@@ -172,7 +175,7 @@ Image *Image::load(SDL_Surface *tmpImage)
return _SDLload(tmpImage);
}
-void Image::cleanCache()
+void Image::SDLcleanCache()
{
ResourceManager *resman = ResourceManager::getInstance();
@@ -193,7 +196,7 @@ void Image::unload()
if (mSDLSurface)
{
- cleanCache();
+ SDLcleanCache();
// Free the image surface.
SDL_FreeSurface(mSDLSurface);
mSDLSurface = NULL;
@@ -211,7 +214,7 @@ void Image::unload()
#endif
}
-bool Image::isAnOpenGLOne() const
+bool Image::useOpenGL()
{
#ifdef USE_OPENGL
return mUseOpenGL;
@@ -222,15 +225,15 @@ bool Image::isAnOpenGLOne() const
bool Image::hasAlphaChannel()
{
- if (mLoaded)
- return mHasAlphaChannel;
+ if (!mLoaded)
+ return false;
#ifdef USE_OPENGL
if (mUseOpenGL)
return true;
#endif
- return false;
+ return mHasAlphaChannel;
}
SDL_Surface *Image::getByAlpha(float alpha)
@@ -243,7 +246,7 @@ SDL_Surface *Image::getByAlpha(float alpha)
void Image::setAlpha(float alpha)
{
- if (config.getValue("lowcpu", true) == true)
+ if (!useOpenGL() && mDisableTransparency)
return;
if (mAlpha == alpha)
@@ -260,7 +263,7 @@ void Image::setAlpha(float alpha)
if (!surface)
{
if (mAlphaCache.size() > 100)
- cleanCache();
+ SDLcleanCache();
mAlphaCache[mAlpha] = mSDLSurface;
}
@@ -274,7 +277,7 @@ void Image::setAlpha(float alpha)
}
else
{
- mSDLSurface = Image::duplicateSurface(mSDLSurface);
+ mSDLSurface = Image::SDLduplicateSurface(mSDLSurface);
}
}
@@ -432,7 +435,7 @@ Image* Image::SDLgetScaledImage(int width, int height)
return scaledImage;
}
-SDL_Surface* Image::duplicateSurface(SDL_Surface* tmpImage)
+SDL_Surface* Image::SDLduplicateSurface(SDL_Surface* tmpImage)
{
if (!tmpImage || !tmpImage->format)
return NULL;
@@ -629,9 +632,9 @@ Image *Image::getSubImage(int x, int y, int width, int height)
return new SubImage(this, mSDLSurface, x, y, width, height);
}
-void Image::terminateAlphaCache()
+void Image::SDLterminateAlphaCache()
{
- cleanCache();
+ SDLcleanCache();
mUseAlphaCache = false;
}
@@ -647,7 +650,7 @@ SubImage::SubImage(Image *parent, SDL_Surface *image,
if (mParent)
{
mParent->incRef();
- mParent->terminateAlphaCache();
+ mParent->SDLterminateAlphaCache();
mHasAlphaChannel = mParent->hasAlphaChannel();
mAlphaChannel = mParent->SDLgetAlphaChannel();
}
diff --git a/src/resources/image.h b/src/resources/image.h
index 815b7764..1db52ca0 100644
--- a/src/resources/image.h
+++ b/src/resources/image.h
@@ -113,16 +113,10 @@ class Image : public Resource
{ return mBounds.h; }
/**
- * Tells if the image was loaded using OpenGL or SDL
+ * Tells if the system is using OpenGL or SDL
* @return true if OpenGL, false if SDL.
*/
- bool isAnOpenGLOne() const;
-
- /**
- * Tells if the image has got an alpha channel
- * @return true if it's true, false otherwise.
- */
- bool hasAlphaChannel();
+ static bool useOpenGL();
/**
* Sets the alpha value of this image.
@@ -143,10 +137,24 @@ class Image : public Resource
*/
virtual Image *getSubImage(int x, int y, int width, int height);
+ /**
+ * Tells if the image has got an alpha channel
+ * @return true if it's true, false otherwise.
+ */
+ bool hasAlphaChannel();
// SDL only public functions
/**
+ * Disable the transparency handling (for low CPUs in SDL Mode)
+ */
+ static void SDLdisableTransparency()
+ { mDisableTransparency = true; }
+
+ static bool SDLisTransparencyDisabled()
+ { return mDisableTransparency; }
+
+ /**
* Gets an scaled instance of an image.
*
* @param width The desired width of the scaled image.
@@ -171,13 +179,13 @@ class Image : public Resource
Uint8 *SDLgetAlphaChannel() const
{ return mAlphaChannel; }
- SDL_Surface* duplicateSurface(SDL_Surface* tmpImage);
+ SDL_Surface* SDLduplicateSurface(SDL_Surface* tmpImage);
- void cleanCache();
+ void SDLcleanCache();
- void terminateAlphaCache();
+ void SDLterminateAlphaCache();
- static void setEnableAlphaCache(bool n)
+ static void SDLsetEnableAlphaCache(bool n)
{ mEnableAlphaCache = n; }
#ifdef USE_OPENGL
@@ -199,18 +207,17 @@ class Image : public Resource
protected:
- // -----------------------
- // Generic protected members
- // -----------------------
+ // -----------------------
+ // Generic protected members
+ // -----------------------
SDL_Rect mBounds;
bool mLoaded;
float mAlpha;
- bool mHasAlphaChannel;
- // -----------------------
- // SDL protected members
- // -----------------------
+ // -----------------------
+ // SDL protected members
+ // -----------------------
/** SDL Constructor */
Image(SDL_Surface *image, bool hasAlphaChannel = false,
@@ -225,13 +232,18 @@ class Image : public Resource
/** Alpha Channel pointer used for 32bit based SDL surfaces */
Uint8 *mAlphaChannel;
+ bool mHasAlphaChannel;
+ /** Alpha cache: The cache stores a copy of the image
+ for specific requested opacities, hence, increasing
+ the image disply speed */
std::map<float, SDL_Surface*> mAlphaCache;
-
bool mUseAlphaCache;
-
static bool mEnableAlphaCache;
+ /** Stores whether the transparency is disabled */
+ static bool mDisableTransparency;
+
// -----------------------
// OpenGL protected members
// -----------------------
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-25 18:21:15 +0000