RosettaCodeData/Task/OpenGL/AutoHotkey/opengl.ahk

62 lines
2.0 KiB
AutoHotkey

hOpenGL32 := DllCall("LoadLibrary", "Str", "opengl32")
Gui, +LastFound +Resize
hDC := DllCall("GetDC", "uInt", WinExist())
VarSetCapacity(pfd, 40, 0)
NumPut(40, pfd, 0, "uShort")
NumPut(1, pfd, 2, "uShort")
NumPut(37, pfd, 4, "uInt")
NumPut(24, pfd, 9, "uChar")
NumPut(16, pfd, 23, "uChar")
DllCall("SetPixelFormat", "uInt", hDC, "uInt", DllCall("ChoosePixelFormat", "uInt", hDC, "uInt", &pfd), "uInt", &pfd)
hRC := DllCall("opengl32\wglCreateContext", "uInt", hDC)
DllCall("opengl32\wglMakeCurrent", "uInt", hDC, "uInt", hRC)
Gui, Show, w640 h480, Triangle
OnExit, ExitSub
SetTimer, Paint, 50
return
Paint:
DllCall("opengl32\glClearColor", "Float", 0.3, "Float", 0.3, "Float", 0.3, "Float", 0)
DllCall("opengl32\glClear", "uInt", 0x4100) ;GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT
DllCall("opengl32\glShadeModel", "uInt", 0x1D01) ;GL_SMOOTH
DllCall("opengl32\glLoadIdentity")
DllCall("opengl32\glTranslatef", "Float", -15, "Float", -15, "Float", 0)
DllCall("opengl32\glBegin", "uInt", 0x0004) ;GL_TRIANGLES
DllCall("opengl32\glColor3f", "Float", 1, "Float", 0, "Float", 0)
DllCall("opengl32\glVertex2f", "Float", 0, "Float", 0)
DllCall("opengl32\glColor3f", "Float", 0, "Float", 1, "Float", 0)
DllCall("opengl32\glVertex2f", "Float", 30, "Float", 0)
DllCall("opengl32\glColor3f", "Float", 0, "Float", 0, "Float", 1)
DllCall("opengl32\glVertex2f", "Float", 0, "Float", 30)
DllCall("opengl32\glEnd")
DllCall("SwapBuffers", "uInt", hDC)
return
GuiSize:
DllCall("opengl32\glViewport", "Int", 0, "Int", 0, "Int", A_GuiWidth, "Int", A_GuiHeight)
DllCall("opengl32\glMatrixMode", "uInt", 0x1701) ;GL_PROJECTION
DllCall("opengl32\glLoadIdentity")
DllCall("opengl32\glOrtho", "Double", -30, "Double", 30, "Double", -30, "Double", 30, "Double", -30, "Double", 30)
DllCall("opengl32\glMatrixMode", "uInt", 0x1700) ;GL_MODELVIEW
return
GuiClose:
ExitApp
ExitSub:
DllCall("opengl32\wglMakeCurrent", "uInt", 0, "uInt", 0)
DllCall("opengl32\wglDeleteContext", "uInt", hRC)
DllCall("ReleaseDC", "uInt", hDC)
DllCall("FreeLibrary", "uInt", hOpenGL32)
ExitApp