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Diffstat (limited to 'src/resources/image.cpp')
-rw-r--r--src/resources/image.cpp23
1 files changed, 13 insertions, 10 deletions
diff --git a/src/resources/image.cpp b/src/resources/image.cpp
index 3b91b3f31..33b97b633 100644
--- a/src/resources/image.cpp
+++ b/src/resources/image.cpp
@@ -43,7 +43,8 @@
#include "debug.h"
-Image::Image(SDL_Surface *image, bool hasAlphaChannel0, uint8_t *alphaChannel):
+Image::Image(SDL_Surface *const image, const bool hasAlphaChannel0,
+ uint8_t *const alphaChannel) :
mAlpha(1.0f),
mHasAlphaChannel(hasAlphaChannel0),
mSDLSurface(image),
@@ -79,8 +80,8 @@ Image::Image(SDL_Surface *image, bool hasAlphaChannel0, uint8_t *alphaChannel):
}
#ifdef USE_OPENGL
-Image::Image(GLuint glimage, int width, int height,
- int texWidth, int texHeight):
+Image::Image(const GLuint glimage, const int width, const int height,
+ const int texWidth, const int texHeight) :
mAlpha(1.0f),
mHasAlphaChannel(true),
mSDLSurface(nullptr),
@@ -117,7 +118,7 @@ Image::~Image()
void Image::SDLCleanCache()
{
- ResourceManager *resman = ResourceManager::getInstance();
+ ResourceManager *const resman = ResourceManager::getInstance();
for (std::map<float, SDL_Surface*>::iterator
i = mAlphaCache.begin(), i_end = mAlphaCache.end();
@@ -158,7 +159,7 @@ void Image::unload()
#endif
}
-bool Image::hasAlphaChannel()
+bool Image::hasAlphaChannel() const
{
if (mLoaded)
return mHasAlphaChannel;
@@ -171,9 +172,10 @@ bool Image::hasAlphaChannel()
return false;
}
-SDL_Surface *Image::getByAlpha(float alpha)
+SDL_Surface *Image::getByAlpha(const float alpha)
{
- std::map<float, SDL_Surface*>::const_iterator it = mAlphaCache.find(alpha);
+ const std::map<float, SDL_Surface*>::const_iterator
+ it = mAlphaCache.find(alpha);
if (it != mAlphaCache.end())
return (*it).second;
return nullptr;
@@ -262,10 +264,10 @@ void Image::setAlpha(float alpha)
for (int i = i1; i <= i2; i++)
{
// Only change the pixel if it was visible at load time...
- uint8_t sourceAlpha = mAlphaChannel[i];
+ const uint8_t sourceAlpha = mAlphaChannel[i];
if (sourceAlpha > 0)
{
- uint8_t a = static_cast<uint8_t>(
+ const uint8_t a = static_cast<uint8_t>(
static_cast<float>(sourceAlpha) * mAlpha);
uint32_t c = (static_cast<uint32_t*>(
@@ -317,7 +319,8 @@ Image* Image::SDLgetScaledImage(const int width, const int height) const
return scaledImage;
}
-Image *Image::getSubImage(int x, int y, int width, int height)
+Image *Image::getSubImage(const int x, const int y,
+ const int width, const int height)
{
// Create a new clipped sub-image
#ifdef USE_OPENGL