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Added DisplayMode and PixelFormat.

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This commit is contained in:
Sander Schobers 2019-12-28 01:41:32 +01:00
parent d7c1b47657
commit c02ad6d7fb
2 changed files with 72 additions and 2 deletions
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33
display.go
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@ -5,14 +5,43 @@ import "C"
import (
"errors"
"sort"
"unsafe"
)
// Display represents a display
// Display represents a display.
type Display struct {
display *C.ALLEGRO_DISPLAY
}
// DisplayMode contains information about a fullscreen display mode.
type DisplayMode struct {
Width int
Height int
Format PixelFormat
RefreshRate int
}
// DisplayMode returns all available fullscreen display modes.
func DisplayModes() []DisplayMode {
n := int(C.al_get_num_display_modes())
var modes []DisplayMode
var mode C.ALLEGRO_DISPLAY_MODE
for i := 0; i < n; i++ {
C.al_get_display_mode(C.int(i), &mode)
modes = append(modes, DisplayMode{
Width: int(mode.width),
Height: int(mode.height),
Format: PixelFormat(mode.format),
RefreshRate: int(mode.refresh_rate),
})
}
weight := func(m DisplayMode) int { return (m.Width*m.Height)*10000 + (m.RefreshRate * 100) + int(m.Format) }
sort.Slice(modes, func(i, j int) bool { return weight(modes[i]) < weight(modes[j]) })
return modes
}
// NewDisplayOptions sets options for creating a new display.
type NewDisplayOptions struct {
Fullscreen bool
Resizable bool
@ -24,7 +53,7 @@ type NewDisplayOptions struct {
OpenGL bool
}
// NewDisplay creates a display
// NewDisplay creates a display.
func NewDisplay(width, height int, options NewDisplayOptions) (*Display, error) {
var flags C.int = C.ALLEGRO_WINDOWED
if options.Fullscreen {

41
pixelformat.go Normal file
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@ -0,0 +1,41 @@
package allg5
// #include <allegro5/allegro.h>
import "C"
// PixelFormat describes the components a pixel.
type PixelFormat int
const (
PixelFormatAny PixelFormat = C.ALLEGRO_PIXEL_FORMAT_ANY
PixelFormatAnyNoAlpha = C.ALLEGRO_PIXEL_FORMAT_ANY_NO_ALPHA
PixelFormatAnyAlpha = C.ALLEGRO_PIXEL_FORMAT_ANY_WITH_ALPHA
PixelFormatAny15NoAlpha = C.ALLEGRO_PIXEL_FORMAT_ANY_15_NO_ALPHA
PixelFormatAny16NoAlpha = C.ALLEGRO_PIXEL_FORMAT_ANY_16_NO_ALPHA
PixelFormatAny16Alpha = C.ALLEGRO_PIXEL_FORMAT_ANY_16_WITH_ALPHA
PixelFormatAny24NoAlpha = C.ALLEGRO_PIXEL_FORMAT_ANY_24_NO_ALPHA
PixelFormatAny32NoAlpha = C.ALLEGRO_PIXEL_FORMAT_ANY_32_NO_ALPHA
PixelFormatAny32Alpha = C.ALLEGRO_PIXEL_FORMAT_ANY_32_WITH_ALPHA
PixelFormatARGB8888 = C.ALLEGRO_PIXEL_FORMAT_ARGB_8888
PixelFormatRGBA8888 = C.ALLEGRO_PIXEL_FORMAT_RGBA_8888
PixelFormatARGB4444 = C.ALLEGRO_PIXEL_FORMAT_ARGB_4444
PixelFormatRGB888 = C.ALLEGRO_PIXEL_FORMAT_RGB_888
PixelFormatRGB565 = C.ALLEGRO_PIXEL_FORMAT_RGB_565
PixelFormatRGB555 = C.ALLEGRO_PIXEL_FORMAT_RGB_555
PixelFormatRGBA5551 = C.ALLEGRO_PIXEL_FORMAT_RGBA_5551
PixelFormatARGB1555 = C.ALLEGRO_PIXEL_FORMAT_ARGB_1555
PixelFormatABGR8888 = C.ALLEGRO_PIXEL_FORMAT_ABGR_8888
PixelFormatXBGR8888 = C.ALLEGRO_PIXEL_FORMAT_XBGR_8888
PixelFormatBGR888 = C.ALLEGRO_PIXEL_FORMAT_BGR_888
PixelFormatBGR565 = C.ALLEGRO_PIXEL_FORMAT_BGR_565
PixelFormatBGR555 = C.ALLEGRO_PIXEL_FORMAT_BGR_555
PixelFormatRGBX8888 = C.ALLEGRO_PIXEL_FORMAT_RGBX_8888
PixelFormatXRGB8888 = C.ALLEGRO_PIXEL_FORMAT_XRGB_8888
PixelFormatABGRF32 = C.ALLEGRO_PIXEL_FORMAT_ABGR_F32
PixelFormatABGR8888LE = C.ALLEGRO_PIXEL_FORMAT_ABGR_8888_LE
PixelFormatRGBA4444 = C.ALLEGRO_PIXEL_FORMAT_RGBA_4444
PixelFormatSingleChannel8 = C.ALLEGRO_PIXEL_FORMAT_SINGLE_CHANNEL_8
PixelFormatCompressedRGBADXT1 = C.ALLEGRO_PIXEL_FORMAT_COMPRESSED_RGBA_DXT1
PixelFormatCompressedRGBADXT3 = C.ALLEGRO_PIXEL_FORMAT_COMPRESSED_RGBA_DXT3
PixelFormatCompressedRGBADXT5 = C.ALLEGRO_PIXEL_FORMAT_COMPRESSED_RGBA_DXT5
)