0.0.8

Author: offerrall

README.md

@@ -1,4 +1,4 @@
-# PyImageCUDA 0.0.7
+# PyImageCUDA 0.0.8
 
 [![PyPI version](https://img.shields.io/pypi/v/pyimagecuda.svg)](https://pypi.org/project/pyimagecuda/)
 [![Build Status](https://github.com/offerrall/pyimagecuda/actions/workflows/build.yml/badge.svg)](https://github.com/offerrall/pyimagecuda/actions)

pyimagecuda/adjust.py

@@ -19,6 +19,9 @@ def brightness(image: Image, factor: float) -> None:
         
         Docs & Examples: https://offerrall.github.io/pyimagecuda/adjust/#brightness
         """
+        if abs(factor) < 1e-6:
+            return
+        
         adjust_brightness_f32(
             image._buffer._handle,
             image.width,
@@ -36,6 +39,9 @@ def contrast(image: Image, factor: float) -> None:
         
         Docs & Examples: https://offerrall.github.io/pyimagecuda/adjust/#contrast
         """
+        if abs(factor - 1.0) < 1e-6:
+            return
+        
         adjust_contrast_f32(
             image._buffer._handle,
             image.width,
@@ -54,6 +60,9 @@ def saturation(image: Image, factor: float) -> None:
         
         Docs & Examples: https://offerrall.github.io/pyimagecuda/adjust/#saturation
         """
+        if abs(factor - 1.0) < 1e-6:
+            return
+        
         adjust_saturation_f32(
             image._buffer._handle,
             image.width,
@@ -75,6 +84,9 @@ def gamma(image: Image, gamma: float) -> None:
         """
         if gamma <= 0:
             raise ValueError("Gamma must be positive")
+        
+        if abs(gamma - 1.0) < 1e-6:
+            return
 
         adjust_gamma_f32(
             image._buffer._handle,
@@ -92,6 +104,8 @@ def opacity(image: Image, factor: float) -> None:
 
         Docs & Examples: https://offerrall.github.io/pyimagecuda/adjust/#opacity
         """
+        if abs(factor - 1.0) < 1e-6:
+            return
 
         adjust_opacity_f32(
             image._buffer._handle,

pyimagecuda/blend.py

@@ -45,6 +45,9 @@ def normal(
 
         Docs & Examples: https://offerrall.github.io/pyimagecuda/blend/#normal
         """
+        if abs(opacity) < 1e-6:
+            return
+        
         pos_x, pos_y = _calculate_position(
             base.width, base.height,
             overlay.width, overlay.height,
@@ -75,6 +78,9 @@ def multiply(
 
         Docs & Examples: https://offerrall.github.io/pyimagecuda/blend/#multiply
         """
+        if abs(opacity) < 1e-6:
+            return
+        
         pos_x, pos_y = _calculate_position(
             base.width, base.height,
             overlay.width, overlay.height,
@@ -105,6 +111,9 @@ def screen(
 
         Docs & Examples: https://offerrall.github.io/pyimagecuda/blend/#screen
         """
+        if abs(opacity) < 1e-6:
+            return
+        
         pos_x, pos_y = _calculate_position(
             base.width, base.height,
             overlay.width, overlay.height,
@@ -135,6 +144,9 @@ def add(
 
         Docs & Examples: https://offerrall.github.io/pyimagecuda/blend/#add
         """
+        if abs(opacity) < 1e-6:
+            return
+        
         pos_x, pos_y = _calculate_position(
             base.width, base.height,
             overlay.width, overlay.height,
@@ -165,6 +177,9 @@ def overlay(
         
         Docs & Examples: https://offerrall.github.io/pyimagecuda/blend/#overlay
         """
+        if abs(opacity) < 1e-6:
+            return
+        
         pos_x, pos_y = _calculate_position(
             base.width, base.height,
             overlay.width, overlay.height,
@@ -195,6 +210,9 @@ def soft_light(
         
         Docs & Examples: https://offerrall.github.io/pyimagecuda/blend/#soft-light
         """
+        if abs(opacity) < 1e-6:
+            return
+        
         pos_x, pos_y = _calculate_position(
             base.width, base.height,
             overlay.width, overlay.height,
@@ -225,6 +243,9 @@ def hard_light(
         
         Docs & Examples: https://offerrall.github.io/pyimagecuda/blend/#hard-light
         """
+        if abs(opacity) < 1e-6:
+            return
+        
         pos_x, pos_y = _calculate_position(
             base.width, base.height,
             overlay.width, overlay.height,

pyimagecuda/effect.py

@@ -26,6 +26,7 @@ def rounded_corners(image: Image, radius: float) -> None:
         """
         max_radius = min(image.width, image.height) / 2.0
         if radius < 0: raise ValueError("Radius must be non-negative")
+        if radius == 0: return
         if radius > max_radius: radius = max_radius
 
         rounded_corners_f32(image._buffer._handle, image.width, image.height, float(radius))

pyimagecuda/filter.py

@@ -1,5 +1,6 @@
 from .image import Image
 from .utils import ensure_capacity
+from .io import copy
 from .pyimagecuda_internal import (gaussian_blur_separable_f32, #type: ignore
                                    sharpen_f32,
                                    sepia_f32,
@@ -26,6 +27,15 @@ def gaussian_blur(
         Docs & Examples: https://offerrall.github.io/pyimagecuda/filter/#gaussian-blur
         """
 
+        if radius == 0 or (sigma is not None and sigma <= 0.001):
+            if dst_buffer is None:
+                dst_buffer = Image(src.width, src.height)
+                copy(dst_buffer, src)
+                return dst_buffer
+            else:
+                copy(dst_buffer, src)
+                return None
+
         if sigma is None:
             sigma = radius / 3.0
 
@@ -70,6 +80,15 @@ def sharpen(
         Docs & Examples: https://offerrall.github.io/pyimagecuda/filter/#sharpen
         """
 
+        if abs(strength) < 1e-6:
+            if dst_buffer is None:
+                dst_buffer = Image(src.width, src.height)
+                copy(dst_buffer, src)
+                return dst_buffer
+            else:
+                copy(dst_buffer, src)
+                return None
+
         if dst_buffer is None:
             dst_buffer = Image(src.width, src.height)
             return_buffer = True
@@ -94,6 +113,8 @@ def sepia(image: Image, intensity: float = 1.0) -> None:
         
         Docs & Examples: https://offerrall.github.io/pyimagecuda/filter/#sepia
         """
+        if abs(intensity) < 1e-6:
+            return
 
         sepia_f32(image._buffer._handle, image.width, image.height, float(intensity))
 
@@ -153,6 +174,15 @@ def emboss(src: Image, strength: float = 1.0, dst_buffer: Image | None = None) -
 
         Docs & Examples: https://offerrall.github.io/pyimagecuda/filter/#emboss
         """
+        if abs(strength) < 1e-6:
+            if dst_buffer is None:
+                dst_buffer = Image(src.width, src.height)
+                copy(dst_buffer, src)
+                return dst_buffer
+            else:
+                copy(dst_buffer, src)
+                return None
+
         if dst_buffer is None:
             dst_buffer = Image(src.width, src.height)
             return_buffer = True

pyimagecuda/resize.py

@@ -1,6 +1,7 @@
 from .image import Image
 from .utils import ensure_capacity
 from .pyimagecuda_internal import resize_f32  #type: ignore
+from .io import copy
 
 
 def _resize_internal(
@@ -18,6 +19,17 @@ def _resize_internal(
     elif height is None:
         height = int(src.height * (width / src.width))
 
+    # No resize needed, just copy
+    if width == src.width and height == src.height:
+        if dst_buffer is None:
+            dst_buffer = Image(width, height)
+            copy(dst_buffer, src)
+            return dst_buffer
+        else:
+            copy(dst_buffer, src)
+            return None
+    
+    # Resize normal
     if dst_buffer is None:
         dst_buffer = Image(width, height)
         return_buffer = True

pyimagecuda/transform.py

@@ -3,6 +3,7 @@
 from .image import Image
 from .utils import ensure_capacity
 from .fill import Fill
+from .io import copy
 from .pyimagecuda_internal import ( #type: ignore
     flip_f32, crop_f32, rotate_fixed_f32, 
     rotate_arbitrary_f32, copy_buffer 
@@ -150,6 +151,15 @@ def crop(
         if width <= 0 or height <= 0:
             raise ValueError("Crop dimensions must be positive")
 
+        if x == 0 and y == 0 and width == image.width and height == image.height:
+            if dst_buffer is None:
+                dst_buffer = Image(width, height)
+                copy(dst_buffer, image)
+                return dst_buffer
+            else:
+                copy(dst_buffer, image)
+                return None
+
         if dst_buffer is None:
             dst_buffer = Image(width, height)
             return_buffer = True

pyproject.toml

@@ -4,7 +4,7 @@ build-backend = "scikit_build_core.build"
 
 [project]
 name = "pyimagecuda"
-version = "0.0.7"
+version = "0.0.8"
 description = "GPU-accelerated image processing library for Python"
 readme = "README.md"
 requires-python = ">=3.10"