78 lines
1.5 KiB
Go
78 lines
1.5 KiB
Go
package allegro5
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// #include <allegro5/allegro.h>
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import "C"
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import (
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"fmt"
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"unsafe"
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)
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// Display represents a display
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type Display struct {
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display *C.ALLEGRO_DISPLAY
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}
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type NewDisplayOptions struct {
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Width int
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Height int
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Fullscreen bool
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Resizable bool
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Windowed bool
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Maximized bool
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}
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// NewDisplay creates a display
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func NewDisplay(width, height int, options NewDisplayOptions) (*Display, error) {
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var flags C.int = C.ALLEGRO_WINDOWED
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if options.Fullscreen {
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if options.Windowed {
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flags |= C.ALLEGRO_FULLSCREEN_WINDOW
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} else {
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flags = C.ALLEGRO_FULLSCREEN
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}
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}
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if options.Resizable {
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flags |= C.ALLEGRO_RESIZABLE
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if options.Maximized {
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flags |= C.ALLEGRO_MAXIMIZED
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}
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}
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C.al_set_new_display_flags(flags)
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d := C.al_create_display(C.int(width), C.int(height))
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if nil == d {
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return nil, fmt.Errorf("Error creating display")
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}
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return &Display{d}, nil
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}
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// Flips flips the buffer to the display
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func (d *Display) Flip() {
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C.al_flip_display()
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}
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func (d *Display) Width() int {
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return int(C.al_get_display_width(d.display))
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}
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func (d *Display) Height() int {
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return int(C.al_get_display_height(d.display))
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}
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func (d *Display) SetWindowTitle(title string) {
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t := C.CString(title)
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defer C.free(unsafe.Pointer(t))
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C.al_set_window_title(d.display, t)
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}
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// Destroy destroys the display
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func (d *Display) Destroy() {
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C.al_destroy_display(d.display)
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}
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func SetNewWindowTitle(title string) {
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t := C.CString(title)
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defer C.free(unsafe.Pointer(t))
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C.al_set_new_window_title(t)
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}
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