// NewWindow returns a new window.
func NewWindow(title string, w, h int) *Window {
win := &Window{
events: make(chan interface{}, eventChanSize),
imgs: make(map[string]texture),
}
do(func() {
ctitle := C.CString(title)
defer C.free(unsafe.Pointer(ctitle))
x, y := C.SDL_WINDOWPOS_UNDEFINED, C.SDL_WINDOWPOS_UNDEFINED
flags := C.SDL_WINDOW_SHOWN | C.SDL_WINDOW_OPENGL
win.win = C.SDL_CreateWindow(ctitle, C.int(x), C.int(y), C.int(w), C.int(h), C.Uint32(flags))
if win.win == nil {
panic(sdlError())
}
win.rend = C.SDL_CreateRenderer(win.win, 0, C.SDL_RENDERER_ACCELERATED)
if win.rend == nil {
panic(sdlError())
}
if C.SDL_SetRenderDrawBlendMode(win.rend, C.SDL_BLENDMODE_BLEND) < 0 {
panic(sdlError())
}
win.id = windowID(C.SDL_GetWindowID(win.win))
windows[win.id] = win
})
return win
}
// Renderer (https://wiki.libsdl.org/SDL_SetRenderDrawBlendMode)
func (renderer *Renderer) SetDrawBlendMode(bm BlendMode) error {
_ret := C.SDL_SetRenderDrawBlendMode(renderer.cptr(), bm.c())
if _ret < 0 {
return GetError()
}
return nil
}
func (r *Renderer) SetDrawBlendMode(mode BlendMode) error {
if C.SDL_SetRenderDrawBlendMode(r.c, mode.c()) != 0 {
return getError()
}
return nil
}
func OpenDisplay(w, h int, full bool) {
runtime.LockOSThread()
var i C.int = 0
if full {
i = 1
}
screen = C.openDisplay(C.int(w), C.int(h), i)
renderer = C.SDL_CreateRenderer(screen, -1, C.SDL_RENDERER_ACCELERATED)
C.SDL_SetRenderDrawBlendMode(renderer, C.SDL_BLENDMODE_BLEND)
Event_DrawEvent = C.SDL_RegisterEvents(1)
Event_MainOpEvent = C.SDL_RegisterEvents(1)
}
func SetRenderDrawBlendMode(_renderer *Renderer, _mode int) {
C.SDL_SetRenderDrawBlendMode(_renderer.Get(), C.SDL_BlendMode(_mode))
}
func (r *Renderer) SetDrawBlendMode(blendmode int) bool {
ret := C.SDL_SetRenderDrawBlendMode(r.cRenderer, C.SDL_BlendMode(blendmode))
return int(ret) == 0
}
func (renderer *Renderer) SetDrawBlendMode(blendMode uint32) int {
_renderer := (*C.SDL_Renderer)(unsafe.Pointer(renderer))
_blendMode := (C.SDL_BlendMode)(blendMode)
return (int)(C.SDL_SetRenderDrawBlendMode(_renderer, _blendMode))
}
func (renderer *Renderer) SetDrawBlendMode(bm BlendMode) int {
return int(C.SDL_SetRenderDrawBlendMode(renderer.cptr(), bm.c()))
}