add support for downloading new images from immich api on a separate thread

1 files changed, 43 insertions, 0 deletions

diff --git a/texture.py b/texture.py
new file mode 100644
index 0000000..cf37d6a
--- /dev/null
+++ b/texture.py
@@ -0,0 +1,43 @@
+from OpenGL.GL import *
+from OpenGL.GLUT import *
+from OpenGL.GLU import *
+from PIL import Image, ExifTags
+
+class ImageTexture:
+    def __init__(self, image_source, exif=None):
+        self.id = None
+        img = Image.open(image_source)
+        self.exif = exif or ImageTexture.get_exif(img)
+        img = ImageTexture.handle_orientation(img, exif)
+        img = img.convert("RGBA")  # Ensure the image is in RGBA mode
+        self.width = img.width
+        self.height = img.height
+        self._img_data = img.tobytes("raw", "RGBA", 0, -1)  # Convert image data to bytes
+
+    def gl_init(self):
+        if self.id:
+            return
+        #glPixelStorei(GL_UNPACK_ALIGNMENT, 1)
+        self.id = glGenTextures(1)
+        glBindTexture(GL_TEXTURE_2D, self.id)
+        glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, self.width, self.height, 0, GL_RGBA, GL_UNSIGNED_BYTE, self._img_data)
+        #glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, img.width, img.height, 0, GL_RGB, GL_UNSIGNED_BYTE, img_data)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR)
+        glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR)
+        del self._img_data  # No longer needed, clear mem
+
+        print(f"Loaded texture {self.id}")
+
+    @staticmethod
+    def get_exif(img):
+        return { ExifTags.TAGS[k]: v for k, v in img.getexif().items() if k in ExifTags }
+
+    @staticmethod
+    def handle_orientation(img, exif):
+        orientation = exif.get("Orientation", 1)
+
+        if orientation == 3: return img.rotate(180, expand=True)
+        if orientation == 6: return img.rotate(270, expand=True)
+        if orientation == 8: return img.rotate( 90, expand=True)
+
+        return img