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-rw-r--r--src/resources/image.cpp71
-rw-r--r--src/resources/image.h7
-rw-r--r--src/resources/sdl2imagehelper.cpp21
-rw-r--r--src/resources/sdl2imagehelper.h8
-rw-r--r--src/resources/subimage.cpp53
-rw-r--r--src/resources/subimage.h4
-rw-r--r--src/resources/surfaceimagehelper.cpp2
7 files changed, 155 insertions, 11 deletions
diff --git a/src/resources/image.cpp b/src/resources/image.cpp
index 49650fef3..759a3a055 100644
--- a/src/resources/image.cpp
+++ b/src/resources/image.cpp
@@ -46,6 +46,50 @@
#include "debug.h"
+#ifdef USE_SDL2
+Image::Image(SDL_Texture *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: %p", this);
+#endif
+
+ mBounds.x = 0;
+ mBounds.y = 0;
+
+ if (mTexture)
+ {
+ mBounds.w = static_cast<uint16_t>(width);
+ mBounds.h = static_cast<uint16_t>(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 *const image, const bool hasAlphaChannel0,
uint8_t *const alphaChannel) :
Resource(),
@@ -57,6 +101,9 @@ Image::Image(SDL_Surface *const image, const bool hasAlphaChannel0,
mBounds(),
mAlpha(1.0f),
mSDLSurface(image),
+#ifdef USE_SDL2
+ mTexture(nullptr),
+#endif
mAlphaChannel(alphaChannel),
mAlphaCache(),
mLoaded(false),
@@ -98,6 +145,9 @@ Image::Image(const GLuint glimage, const int width, const int height,
mBounds(),
mAlpha(1.0f),
mSDLSurface(nullptr),
+#ifdef USE_SDL2
+ mTexture(nullptr),
+#endif
mAlphaChannel(nullptr),
mAlphaCache(),
mLoaded(false),
@@ -164,6 +214,13 @@ void Image::unload()
delete [] mAlphaChannel;
mAlphaChannel = nullptr;
}
+#ifdef USE_SDL2
+ if (mTexture)
+ {
+ SDL_DestroyTexture(mTexture);
+ mTexture = nullptr;
+ }
+#endif
#ifdef USE_OPENGL
if (mGLImage)
@@ -257,11 +314,11 @@ void Image::setAlpha(const float alpha)
if (!mHasAlphaChannel)
{
- // Set the alpha value this image is drawn at
#ifdef USE_SDL2
SDL_SetSurfaceAlphaMod(mSDLSurface,
static_cast<unsigned char>(255 * mAlpha));
#else
+ // Set the alpha value this image is drawn at
SDL_SetAlpha(mSDLSurface, SDL_SRCALPHA,
static_cast<unsigned char>(255 * mAlpha));
#endif
@@ -302,6 +359,14 @@ void Image::setAlpha(const float alpha)
SDL_UnlockSurface(mSDLSurface);
}
}
+#ifdef USE_SDL2
+ else if (mTexture)
+ {
+ mAlpha = alpha;
+ SDL_SetTextureAlphaMod(mTexture,
+ static_cast<unsigned char>(255 * mAlpha));
+ }
+#endif
else
{
mAlpha = alpha;
@@ -352,7 +417,11 @@ Image *Image::getSubImage(const int x, const int y,
}
#endif
+#ifdef USE_SDL2
+ return new SubImage(this, mTexture, x, y, width, height);
+#else
return new SubImage(this, mSDLSurface, x, y, width, height);
+#endif
}
void Image::SDLTerminateAlphaCache()
diff --git a/src/resources/image.h b/src/resources/image.h
index ed42991bb..a40f62dee 100644
--- a/src/resources/image.h
+++ b/src/resources/image.h
@@ -199,9 +199,16 @@ class Image : public Resource
Image(SDL_Surface *const image, const bool hasAlphaChannel = false,
uint8_t *const alphaChannel = nullptr);
+#ifdef USE_SDL2
+ Image(SDL_Texture *const image, const int width, const int height);
+#endif
+
SDL_Surface *getByAlpha(const float alpha) A_WARN_UNUSED;
SDL_Surface *mSDLSurface;
+#ifdef USE_SDL2
+ SDL_Texture *mTexture;
+#endif
/** Alpha Channel pointer used for 32bit based SDL surfaces */
uint8_t *mAlphaChannel;
diff --git a/src/resources/sdl2imagehelper.cpp b/src/resources/sdl2imagehelper.cpp
index b131b4d69..ee342ee26 100644
--- a/src/resources/sdl2imagehelper.cpp
+++ b/src/resources/sdl2imagehelper.cpp
@@ -38,6 +38,9 @@
#include "debug.h"
bool SDLImageHelper::mEnableAlphaCache = false;
+#ifdef USE_SDL2
+SDL_Renderer *SDLImageHelper::mRenderer = nullptr;
+#endif
Image *SDLImageHelper::load(SDL_RWops *const rw, Dye const &dye) const
{
@@ -114,13 +117,9 @@ Image *SDLImageHelper::createTextSurface(SDL_Surface *const tmpImage,
if (!tmpImage)
return nullptr;
- Image *img;
- bool hasAlpha = false;
- uint8_t *alphaChannel = nullptr;
- SDL_Surface *image = SDLDuplicateSurface(tmpImage);
-
- img = new Image(image, hasAlpha, alphaChannel);
- img->mAlpha = alpha;
+ Image *const img = _SDLload(tmpImage);
+ if (img)
+ img->setAlpha(alpha);
return img;
}
@@ -137,8 +136,12 @@ Image *SDLImageHelper::_SDLload(SDL_Surface *tmpImage) const
if (!tmpImage)
return nullptr;
- SDL_Surface *image = convertTo32Bit(tmpImage);
- return new Image(image, false, nullptr);
+ SDL_Texture *const texture = SDL_CreateTextureFromSurface(
+ mRenderer, tmpImage);
+ if (!texture)
+ return nullptr;
+ SDL_SetTextureBlendMode(texture, SDL_BLENDMODE_BLEND);
+ return new Image(texture, tmpImage->w, tmpImage->h);
}
int SDLImageHelper::useOpenGL() const
diff --git a/src/resources/sdl2imagehelper.h b/src/resources/sdl2imagehelper.h
index 9edd48ebe..5c35f8026 100644
--- a/src/resources/sdl2imagehelper.h
+++ b/src/resources/sdl2imagehelper.h
@@ -94,11 +94,19 @@ class SDLImageHelper final : public ImageHelper
SDL_Surface *const dst,
SDL_Rect *const dstrect);
+#ifdef USE_SDL2
+ static void setRenderer(SDL_Renderer *const renderer)
+ { mRenderer = renderer; }
+#endif
+
protected:
/** SDL_Surface to SDL_Surface Image loader */
Image *_SDLload(SDL_Surface *tmpImage) const A_WARN_UNUSED;
static bool mEnableAlphaCache;
+#ifdef USE_SDL2
+ static SDL_Renderer *mRenderer;
+#endif
};
#endif // USE_SDL2
diff --git a/src/resources/subimage.cpp b/src/resources/subimage.cpp
index b2343c71c..d37eda91a 100644
--- a/src/resources/subimage.cpp
+++ b/src/resources/subimage.cpp
@@ -36,6 +36,59 @@
#include "debug.h"
+#ifdef USE_SDL2
+SubImage::SubImage(Image *const parent, SDL_Texture *const image,
+ const int x, const int y,
+ const int width, const int height) :
+ Image(image, width, height),
+ mInternalBounds(),
+ mParent(parent)
+{
+ if (mParent)
+ {
+ mParent->incRef();
+ mParent->SDLTerminateAlphaCache();
+ mHasAlphaChannel = mParent->hasAlphaChannel();
+ mIsAlphaVisible = mHasAlphaChannel;
+ mAlphaChannel = mParent->SDLgetAlphaChannel();
+ mSource = parent->getIdPath();
+#ifdef DEBUG_IMAGES
+ logger->log("set name2 %p, %s", this, mSource.c_str());
+#endif
+#ifdef DEBUG_BIND_TEXTURE
+ mIdPath = parent->getIdPath();
+#endif
+ }
+ else
+ {
+ mHasAlphaChannel = false;
+ mIsAlphaVisible = false;
+ mAlphaChannel = nullptr;
+ }
+
+ // Set up the rectangle.
+ mBounds.x = static_cast<int16_t>(x);
+ mBounds.y = static_cast<int16_t>(y);
+ mBounds.w = static_cast<uint16_t>(width);
+ mBounds.h = static_cast<uint16_t>(height);
+ if (mParent)
+ {
+ mInternalBounds.x = mParent->mBounds.x;
+ mInternalBounds.y = mParent->mBounds.y;
+ mInternalBounds.w = mParent->mBounds.w;
+ mInternalBounds.h = mParent->mBounds.h;
+ }
+ else
+ {
+ mInternalBounds.x = 0;
+ mInternalBounds.y = 0;
+ mInternalBounds.w = 1;
+ mInternalBounds.h = 1;
+ }
+ mUseAlphaCache = false;
+}
+#endif
+
SubImage::SubImage(Image *const parent, SDL_Surface *const image,
const int x, const int y,
const int width, const int height) :
diff --git a/src/resources/subimage.h b/src/resources/subimage.h
index 8dae594f6..5322f9a71 100644
--- a/src/resources/subimage.h
+++ b/src/resources/subimage.h
@@ -50,6 +50,10 @@ class SubImage final : public Image
/**
* Constructor.
*/
+#ifdef USE_SDL2
+ SubImage(Image *const parent, SDL_Texture *const image,
+ const int x, const int y, const int width, const int height);
+#endif
SubImage(Image *const parent, SDL_Surface *const image,
const int x, const int y, const int width, const int height);
#ifdef USE_OPENGL
diff --git a/src/resources/surfaceimagehelper.cpp b/src/resources/surfaceimagehelper.cpp
index 1b5997ce0..45a7d95fd 100644
--- a/src/resources/surfaceimagehelper.cpp
+++ b/src/resources/surfaceimagehelper.cpp
@@ -120,7 +120,7 @@ Image *SurfaceImageHelper::createTextSurface(SDL_Surface *const tmpImage,
SDL_Surface *image = SDLDuplicateSurface(tmpImage);
img = new Image(image, hasAlpha, alphaChannel);
- img->mAlpha = alpha;
+ img->setAlpha(alpha);
return img;
}
generated by cgit v1.2.3-60-g2f50 (git 2.42.0) at 2024-07-11 22:58:34 +0000