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pixels.c.v
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pixels.c.v
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// Copyright(C) 2021 Lars Pontoppidan. All rights reserved.
// Use of this source code is governed by an MIT license
// that can be found in the LICENSE file.
module sdl
//
// SDL_pixels.h
//
// Transparency definitions
//
// These define alpha as the opacity of a surface.
pub const alpha_opaque = C.SDL_ALPHA_OPAQUE // 255
pub const alpha_transparent = C.SDL_ALPHA_TRANSPARENT // 0
// Pixel type.
// PixelType is C.SDL_PixelType
pub enum PixelType {
unknown = C.SDL_PIXELTYPE_UNKNOWN
index1 = C.SDL_PIXELTYPE_INDEX1
index4 = C.SDL_PIXELTYPE_INDEX4
index8 = C.SDL_PIXELTYPE_INDEX8
packed8 = C.SDL_PIXELTYPE_PACKED8
packed16 = C.SDL_PIXELTYPE_PACKED16
packed32 = C.SDL_PIXELTYPE_PACKED32
arrayu8 = C.SDL_PIXELTYPE_ARRAYU8
arrayu16 = C.SDL_PIXELTYPE_ARRAYU16
arrayu32 = C.SDL_PIXELTYPE_ARRAYU32
arrayf16 = C.SDL_PIXELTYPE_ARRAYF16
arrayf32 = C.SDL_PIXELTYPE_ARRAYF32
}
// Bitmap pixel order, high bit -> low bit.
// BitmapOrder is C.SDL_BitmapOrder
pub enum BitmapOrder {
@none = C.SDL_BITMAPORDER_NONE
order_4321 = C.SDL_BITMAPORDER_4321
order_1234 = C.SDL_BITMAPORDER_1234
}
// Packed component order, high bit -> low bit.
// PackedOrder is C.SDL_PackedOrder
pub enum PackedOrder {
@none = C.SDL_PACKEDORDER_NONE
xrgb = C.SDL_PACKEDORDER_XRGB
rgbx = C.SDL_PACKEDORDER_RGBX
argb = C.SDL_PACKEDORDER_ARGB
rgba = C.SDL_PACKEDORDER_RGBA
xbgr = C.SDL_PACKEDORDER_XBGR
bgrx = C.SDL_PACKEDORDER_BGRX
abgr = C.SDL_PACKEDORDER_ABGR
bgra = C.SDL_PACKEDORDER_BGRA
}
//** Array component order, low byte -> high byte. */
// ArrayOrder is C.SDL_ArrayOrder
pub enum ArrayOrder {
@none = C.SDL_ARRAYORDER_NONE
rgb = C.SDL_ARRAYORDER_RGB
rgba = C.SDL_ARRAYORDER_RGBA
argb = C.SDL_ARRAYORDER_ARGB
bgr = C.SDL_ARRAYORDER_BGR
bgra = C.SDL_ARRAYORDER_BGRA
abgr = C.SDL_ARRAYORDER_ABGR
}
// Packed component layout.
// PackedLayout is C.SDL_PackedLayout
pub enum PackedLayout {
@none = C.SDL_PACKEDLAYOUT_NONE
layout_332 = C.SDL_PACKEDLAYOUT_332
layout_4444 = C.SDL_PACKEDLAYOUT_4444
layout_1555 = C.SDL_PACKEDLAYOUT_1555
layout_5551 = C.SDL_PACKEDLAYOUT_5551
layout_565 = C.SDL_PACKEDLAYOUT_565
layout_8888 = C.SDL_PACKEDLAYOUT_8888
layout_2101010 = C.SDL_PACKEDLAYOUT_2101010
layout_1010102 = C.SDL_PACKEDLAYOUT_1010102
}
pub enum Format {
unknown = C.SDL_PIXELFORMAT_UNKNOWN
index1lsb = C.SDL_PIXELFORMAT_INDEX1LSB
index1msb = C.SDL_PIXELFORMAT_INDEX1MSB
index4lsb = C.SDL_PIXELFORMAT_INDEX4LSB
index4msb = C.SDL_PIXELFORMAT_INDEX4MSB
index8 = C.SDL_PIXELFORMAT_INDEX8
rgb332 = C.SDL_PIXELFORMAT_RGB332
rgb444 = C.SDL_PIXELFORMAT_RGB444
rgb555 = C.SDL_PIXELFORMAT_RGB555
bgr555 = C.SDL_PIXELFORMAT_BGR555
argb4444 = C.SDL_PIXELFORMAT_ARGB4444
rgba4444 = C.SDL_PIXELFORMAT_RGBA4444
abgr4444 = C.SDL_PIXELFORMAT_ABGR4444
bgra4444 = C.SDL_PIXELFORMAT_BGRA4444
argb1555 = C.SDL_PIXELFORMAT_ARGB1555
rgba5551 = C.SDL_PIXELFORMAT_RGBA5551
abgr1555 = C.SDL_PIXELFORMAT_ABGR1555
bgra5551 = C.SDL_PIXELFORMAT_BGRA5551
rgb565 = C.SDL_PIXELFORMAT_RGB565
bgr565 = C.SDL_PIXELFORMAT_BGR565
rgb24 = C.SDL_PIXELFORMAT_RGB24
bgr24 = C.SDL_PIXELFORMAT_BGR24
rgb888 = C.SDL_PIXELFORMAT_RGB888
rgbx8888 = C.SDL_PIXELFORMAT_RGBX8888
bgr888 = C.SDL_PIXELFORMAT_BGR888
bgrx8888 = C.SDL_PIXELFORMAT_BGRX8888
argb8888 = C.SDL_PIXELFORMAT_ARGB8888
rgba8888 = C.SDL_PIXELFORMAT_RGBA8888
abgr8888 = C.SDL_PIXELFORMAT_ABGR8888
bgra8888 = C.SDL_PIXELFORMAT_BGRA8888
argb2101010 = C.SDL_PIXELFORMAT_ARGB2101010
rgba32 = C.SDL_PIXELFORMAT_RGBA32
argb32 = C.SDL_PIXELFORMAT_ARGB32
bgra32 = C.SDL_PIXELFORMAT_BGRA32
abgr32 = C.SDL_PIXELFORMAT_ABGR32
yv12 = C.SDL_PIXELFORMAT_YV12 // Planar mode: Y + V + U (3 planes)
iyuv = C.SDL_PIXELFORMAT_IYUV // Planar mode: Y + U + V (3 planes)
yuy2 = C.SDL_PIXELFORMAT_YUY2 // Packed mode: Y0+U0+Y1+V0 (1 plane)
uyvy = C.SDL_PIXELFORMAT_UYVY // Packed mode: U0+Y0+V0+Y1 (1 plane)
yvyu = C.SDL_PIXELFORMAT_YVYU // Packed mode: Y0+V0+Y1+U0 (1 plane)
nv12 = C.SDL_PIXELFORMAT_NV12 // Planar mode: Y + U/V interleaved (2 planes)
nv21 = C.SDL_PIXELFORMAT_NV21 // Planar mode: Y + V/U interleaved (2 planes)
external_oes = C.SDL_PIXELFORMAT_EXTERNAL_OES // Android video texture format
}
@[typedef]
pub struct C.SDL_Color {
pub mut:
r u8
g u8
b u8
a u8
}
pub type Color = C.SDL_Color
@[typedef]
pub struct C.SDL_Palette {
pub mut:
ncolors int
colors &Color
version u32
refcount int
}
pub type Palette = C.SDL_Palette
// NOTE Everything in the pixel format structure is read-only.
@[typedef]
pub struct C.SDL_PixelFormat {
pub:
format Format
palette &Palette
BitsPerPixel u8
BytesPerPixel u8
padding [2]u8
Rmask u32
Gmask u32
Bmask u32
Amask u32
Rloss u8
Gloss u8
Bloss u8
Aloss u8
Rshift u8
Gshift u8
Bshift u8
Ashift u8
refcount int
next &PixelFormat
}
// PixelFormat is C.SDL_PixelFormat
pub type PixelFormat = C.SDL_PixelFormat
fn C.SDL_GetPixelFormatName(format Format) &char
// get the human readable name of a pixel format
pub fn get_pixel_format_name(format Format) &char {
return C.SDL_GetPixelFormatName(format)
}
fn C.SDL_PixelFormatEnumToMasks(format Format, bpp &int, rmask &u32, gmask &u32, bmask &u32, amask &u32) bool
// pixel_format_enum_to_masks converts one of the enumerated pixel formats to a bpp and RGBA masks.
//
// returns SDL_TRUE, or SDL_FALSE if the conversion wasn't possible.
//
// See also: SDL_MasksToPixelFormatEnum()
pub fn pixel_format_enum_to_masks(format Format, bpp &int, rmask &u32, gmask &u32, bmask &u32, amask &u32) bool {
return C.SDL_PixelFormatEnumToMasks(format, bpp, rmask, gmask, bmask, amask)
}
fn C.SDL_MasksToPixelFormatEnum(bpp int, rmask u32, gmask u32, bmask u32, amask u32) u32
// masks_to_pixel_format_enum converts a bpp and RGBA masks to an enumerated pixel format.
//
// returns The pixel format, or ::SDL_PIXELFORMAT_UNKNOWN if the conversion
// wasn't possible.
//
// See also: SDL_PixelFormatEnumToMasks()
pub fn masks_to_pixel_format_enum(bpp int, rmask u32, gmask u32, bmask u32, amask u32) Format {
return unsafe { Format(C.SDL_MasksToPixelFormatEnum(bpp, rmask, gmask, bmask, amask)) }
}
fn C.SDL_AllocFormat(pixel_format Format) &C.SDL_PixelFormat
// alloc_format creates an SDL_PixelFormat structure from a pixel format enum.
pub fn alloc_format(pixel_format Format) &PixelFormat {
return C.SDL_AllocFormat(pixel_format)
}
fn C.SDL_FreeFormat(format &C.SDL_PixelFormat)
// free_format frees an SDL_PixelFormat structure.
pub fn free_format(format &PixelFormat) {
C.SDL_FreeFormat(format)
}
fn C.SDL_AllocPalette(ncolors int) &C.SDL_Palette
// alloc_palette create a palette structure with the specified
// number of color entries.
//
// returns A new palette, or NULL if there wasn't enough memory.
//
// NOTE The palette entries are initialized to white.
//
// See also: SDL_FreePalette()
pub fn alloc_palette(ncolors int) &Palette {
return C.SDL_AllocPalette(ncolors)
}
fn C.SDL_SetPixelFormatPalette(format &C.SDL_PixelFormat, palette &C.SDL_Palette) int
// set_pixel_format_palette set the palette for a pixel format structure.
pub fn set_pixel_format_palette(format &PixelFormat, palette &Palette) int {
return C.SDL_SetPixelFormatPalette(format, palette)
}
fn C.SDL_SetPaletteColors(palette &C.SDL_Palette, const_colors &C.SDL_Color, firstcolor int, nconst_colors int) int
// set_palette_colors sets a range of colors in a palette.
//
// `palette` The palette to modify.
// `colors` An array of colors to copy into the palette.
// `firstcolor` The index of the first palette entry to modify.
// `ncolors` The number of entries to modify.
//
// returns 0 on success, or -1 if not all of the colors could be set.
pub fn set_palette_colors(palette &Palette, const_colors &Color, firstcolor int, nconst_colors int) int {
return C.SDL_SetPaletteColors(palette, const_colors, firstcolor, nconst_colors)
}
fn C.SDL_FreePalette(palette &C.SDL_Palette)
// free_palette frees a palette created with SDL_AllocPalette().
pub fn free_palette(palette &Palette) {
C.SDL_FreePalette(palette)
}
fn C.SDL_MapRGB(format &C.SDL_PixelFormat, r u8, g u8, b u8) u32
// map_rgb maps an RGB triple to an opaque pixel value for a given pixel format.
pub fn map_rgb(format &PixelFormat, r u8, g u8, b u8) u32 {
return C.SDL_MapRGB(format, r, g, b)
}
fn C.SDL_MapRGBA(format &C.SDL_PixelFormat, r u8, g u8, b u8, a u8) u32
// map_rgba maps an RGBA quadruple to a pixel value for a given pixel format.
pub fn map_rgba(format &PixelFormat, r u8, g u8, b u8, a u8) u32 {
return C.SDL_MapRGBA(format, r, g, b, a)
}
fn C.SDL_GetRGB(pixel u32, const_format &C.SDL_PixelFormat, r &u8, g &u8, b &u8)
// get_rgb gets the RGB components from a pixel of the specified format.
pub fn get_rgb(pixel u32, const_format &PixelFormat, r &u8, g &u8, b &u8) {
C.SDL_GetRGB(pixel, const_format, r, g, b)
}
fn C.SDL_GetRGBA(pixel u32, const_format &C.SDL_PixelFormat, r &u8, g &u8, b &u8, a &u8)
// get_rgba gets the RGBA components from a pixel of the specified format.
pub fn get_rgba(pixel u32, const_format &PixelFormat, r &u8, g &u8, b &u8, a &u8) {
C.SDL_GetRGBA(pixel, const_format, r, g, b, a)
}
fn C.SDL_CalculateGammaRamp(gamma f32, ramp &u16)
// calculate_gamma_ramp calculates a 256 entry gamma ramp for a gamma value.
pub fn calculate_gamma_ramp(gamma f32, ramp &u16) {
C.SDL_CalculateGammaRamp(gamma, ramp)
}