回答編集履歴
4
もうちょっとPythonicに
answer
CHANGED
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@@ -5,9 +5,8 @@
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5
5
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6
6
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user32 = windll.LoadLibrary("user32.dll")
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7
7
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gdi32 = windll.LoadLibrary("gdi32.dll")
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8
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-
hdc = user32.GetDC(None)
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9
8
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10
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-
def getrgb(x, y):
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9
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+
def getrgb(x, y, hdc=user32.GetDC(None)):
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11
10
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bgr = gdi32.GetPixel(hdc, x, y)
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12
11
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return bgr.to_bytes(3, "little")
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13
12
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3
ちゃんと速さを追い求めて
answer
CHANGED
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@@ -3,13 +3,14 @@
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3
3
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```python
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4
4
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from ctypes import windll
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5
5
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6
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-
x, y = 10, 10
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7
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-
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8
6
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user32 = windll.LoadLibrary("user32.dll")
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9
7
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gdi32 = windll.LoadLibrary("gdi32.dll")
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10
8
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hdc = user32.GetDC(None)
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11
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-
bgr = gdi32.GetPixel(hdc, x, y)
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12
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-
r, g, b = bgr.to_bytes(3, "little")
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13
9
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10
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+
def getrgb(x, y):
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11
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+
bgr = gdi32.GetPixel(hdc, x, y)
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12
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+
return bgr.to_bytes(3, "little")
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13
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+
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14
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+
r, g, b = getrgb(10, 10)
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14
15
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print("R={r}, G={g}, B={b}".format(r=r, g=g, b=b))
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15
16
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```
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2
unpackいらなかった
answer
CHANGED
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@@ -2,7 +2,6 @@
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2
2
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3
3
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```python
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4
4
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from ctypes import windll
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5
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-
from struct import unpack
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6
5
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7
6
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x, y = 10, 10
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8
7
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1
エンディアンの変更
answer
CHANGED
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@@ -10,7 +10,7 @@
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10
10
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gdi32 = windll.LoadLibrary("gdi32.dll")
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11
11
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hdc = user32.GetDC(None)
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12
12
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bgr = gdi32.GetPixel(hdc, x, y)
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13
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-
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13
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+
r, g, b = bgr.to_bytes(3, "little")
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14
14
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15
15
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print("R={r}, G={g}, B={b}".format(r=r, g=g, b=b))
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16
16
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```
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