// NewWindow returns a new window. It initializes GLFW and GLEW, creates a new
// GLFW window with given width, height and title, initializes the texture
// data.
func NewWindow(
width, height int,
title string,
visible bool,
) (*Window, error) {
if width < 0 {
return nil, errors.New("Width must not be < 0")
}
if height < 0 {
return nil, errors.New("Height must not be < 0")
}
err := ensGlfwInit()
if err != nil {
return nil, err
}
var v = 0
if visible {
v = 1
}
glfwWin := C.createWin(
C.int(width),
C.int(height),
C.CString(title),
C.int(v),
)
if glfwWin == nil {
Terminate()
return nil, errors.New("Failed to create window")
}
errno := int(C.initGlew(glfwWin))
if errno != 1 {
return nil, errors.New("Failed to init GLEW")
}
C.initWin(glfwWin, C.int(width), C.int(height))
tex := newTex(width, height)
texId := C.createTex(
glfwWin,
unsafe.Pointer(&tex),
C.int(width),
C.int(height),
)
C.glfwSetInputMode(glfwWin, C.GLFW_CURSOR, C.GLFW_CURSOR_DISABLED)
return &Window{width, height, glfwWin, texId, tex}, nil
}
// Sets an input option for the window.
func (w *Window) SetInputMode(mode InputMode, value int) {
C.glfwSetInputMode(w.data, C.int(mode), C.int(value))
panicError()
}
