haiku/headers/os/interface/GraphicsDefs.h

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/*
* Copyright 2008, Haiku Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _GRAPHICS_DEFS_H
#define _GRAPHICS_DEFS_H
#include <BeBuild.h>
#include <SupportDefs.h>
// Pattern
typedef struct pattern {
uint8 data[8];
} pattern;
#ifdef __cplusplus
inline bool
operator==(const pattern& a, const pattern& b)
{
return (*(uint64*)a.data == *(uint64*)b.data);
}
inline bool
operator!=(const pattern& a, const pattern& b)
{
return !(a == b);
}
#endif // __cplusplus
extern const pattern B_SOLID_HIGH;
extern const pattern B_MIXED_COLORS;
extern const pattern B_SOLID_LOW;
// rgb_color
typedef struct rgb_color {
uint8 red;
uint8 green;
uint8 blue;
uint8 alpha;
#if defined(__cplusplus)
// some convenient additions
inline rgb_color&
set_to(uint8 r, uint8 g, uint8 b, uint8 a = 255)
{
red = r;
green = g;
blue = b;
alpha = a;
return *this;
}
inline bool
operator==(const rgb_color& other) const
{
return *(const uint32 *)this == *(const uint32 *)&other;
}
inline bool
operator!=(const rgb_color& other) const
{
return *(const uint32 *)this != *(const uint32 *)&other;
}
inline rgb_color&
operator=(const rgb_color& other)
{
return set_to(other.red, other.green, other.blue, other.alpha);
}
#endif
} rgb_color;
#if defined(__cplusplus)
inline rgb_color
make_color(uint8 red, uint8 green, uint8 blue, uint8 alpha = 255)
{
rgb_color color = {red, green, blue, alpha};
return color;
}
#endif
extern const rgb_color B_TRANSPARENT_COLOR;
extern const uint8 B_TRANSPARENT_MAGIC_CMAP8;
extern const uint16 B_TRANSPARENT_MAGIC_RGBA15;
extern const uint16 B_TRANSPARENT_MAGIC_RGBA15_BIG;
extern const uint32 B_TRANSPARENT_MAGIC_RGBA32;
extern const uint32 B_TRANSPARENT_MAGIC_RGBA32_BIG;
extern const uint8 B_TRANSPARENT_8_BIT;
extern const rgb_color B_TRANSPARENT_32_BIT;
// color map
typedef struct color_map {
int32 id;
rgb_color color_list[256];
uint8 inversion_map[256];
uint8 index_map[32768];
} color_map;
// overlay
typedef struct overlay_rect_limits {
uint16 horizontal_alignment;
uint16 vertical_alignment;
uint16 width_alignment;
uint16 height_alignment;
uint16 min_width;
uint16 max_width;
uint16 min_height;
uint16 max_height;
uint32 reserved[8];
} overlay_rect_limits;
typedef struct overlay_restrictions {
overlay_rect_limits source;
overlay_rect_limits destination;
float min_width_scale;
float max_width_scale;
float min_height_scale;
float max_height_scale;
uint32 reserved[8];
} overlay_restrictions;
// screen ID
struct screen_id { int32 id; };
extern const struct screen_id B_MAIN_SCREEN_ID;
// color spaces
typedef enum {
B_NO_COLOR_SPACE = 0x0000,
// linear color space (little endian)
B_RGB32 = 0x0008, // BGR-
B_RGBA32 = 0x2008, // BGRA
B_RGB24 = 0x0003, // BGR
B_RGB16 = 0x0005,
B_RGB15 = 0x0010,
B_RGBA15 = 0x2010,
B_CMAP8 = 0x0004,
B_GRAY8 = 0x0002,
B_GRAY1 = 0x0001,
// big endian version
B_RGB32_BIG = 0x1008, // -RGB
B_RGBA32_BIG = 0x3008, // ARGB
B_RGB24_BIG = 0x1003, // RGB
B_RGB16_BIG = 0x1005,
B_RGB15_BIG = 0x1010,
B_RGBA15_BIG = 0x3010,
// explicit little-endian for completeness
B_RGB32_LITTLE = B_RGB32,
B_RGBA32_LITTLE = B_RGBA32,
B_RGB24_LITTLE = B_RGB24,
B_RGB16_LITTLE = B_RGB16,
B_RGB15_LITTLE = B_RGB15,
B_RGBA15_LITTLE = B_RGBA15,
// non linear color space -- incidently, all with 8 bits per value
// Note, BBitmap and BView do not support all of these!
// loss/saturation points are Y 16-235 (absolute), Cb/Cr 16-240
// (center 128)
B_YCbCr422 = 0x4000, // Y0 Cb0 Y1 Cr0 Y2...
// Cb2 Y3 Cr2...
B_YCbCr411 = 0x4001, // Cb0 Y0 Cr0 Y1 Cb4...
// Y2 Cr4 Y3 Y4 Y5...
// Y6 Y7...
B_YCbCr444 = 0x4003, // Y Cb Cr
B_YCbCr420 = 0x4004, // Non-interlaced only
// on even scan lines: Cb0 Y0 Y1 Cb2 Y2 Y3
// on odd scan lines: Cr0 Y0 Y1 Cr2 Y2 Y3
// Extrema points are:
// Y 0 - 207 (absolute)
// U -91 - 91 (offset 128)
// V -127 - 127 (offset 128)
// Note that YUV byte order is different from YCbCr; use YCbCr, not YUV,
// when that's what you mean!
B_YUV422 = 0x4020, // U0 Y0 V0 Y1...
// U2 Y2 V2 Y3...
B_YUV411 = 0x4021, // U0 Y0 Y1 V0 Y2 Y3...
// U4 Y4 Y5 V4 Y6 Y7...
B_YUV444 = 0x4023, // U0 Y0 V0 U1 Y1 V1
B_YUV420 = 0x4024, // Non-interlaced only
// on even scan lines: U0 Y0 Y1 U2 Y2 Y3
// on odd scan lines: V0 Y0 Y1 V2 Y2 Y3
B_YUV9 = 0x402C,
B_YUV12 = 0x402D,
B_UVL24 = 0x4030, // UVL
B_UVL32 = 0x4031, // UVL-
B_UVLA32 = 0x6031, // UVLA
// L lightness, a/b color-opponent dimensions
B_LAB24 = 0x4032, // Lab
B_LAB32 = 0x4033, // Lab-
B_LABA32 = 0x6033, // LabA
// Red is at hue 0
B_HSI24 = 0x4040, // HSI
B_HSI32 = 0x4041, // HSI-
B_HSIA32 = 0x6041, // HSIA
B_HSV24 = 0x4042, // HSV
B_HSV32 = 0x4043, // HSV-
B_HSVA32 = 0x6043, // HSVA
B_HLS24 = 0x4044, // HLS
B_HLS32 = 0x4045, // HLS-
B_HLSA32 = 0x6045, // HLSA
B_CMY24 = 0xC001, // CMY
B_CMY32 = 0xC002, // CMY-
B_CMYA32 = 0xE002, // CMYA
B_CMYK32 = 0xC003, // CMYK
// compatibility declarations
B_MONOCHROME_1_BIT = B_GRAY1,
B_GRAYSCALE_8_BIT = B_GRAY8,
B_COLOR_8_BIT = B_CMAP8,
B_RGB_32_BIT = B_RGB32,
B_RGB_16_BIT = B_RGB15,
B_BIG_RGB_32_BIT = B_RGB32_BIG,
B_BIG_RGB_16_BIT = B_RGB15_BIG
} color_space;
// Bitmap Support Flags
enum {
B_VIEWS_SUPPORT_DRAW_BITMAP = 0x1,
B_BITMAPS_SUPPORT_ATTACHED_VIEWS = 0x2,
B_BITMAPS_SUPPORT_OVERLAY = 0x4
};
bool bitmaps_support_space(color_space space, uint32* _supportFlags);
status_t get_pixel_size_for(color_space space, size_t* _pixelChunk,
size_t* _rowAlignment, size_t* _pixelsPerChunk);
enum buffer_orientation {
B_BUFFER_TOP_TO_BOTTOM,
B_BUFFER_BOTTOM_TO_TOP
};
enum buffer_layout {
B_BUFFER_NONINTERLEAVED = 1
};
// Drawing Modes
enum drawing_mode {
B_OP_COPY,
B_OP_OVER,
B_OP_ERASE,
B_OP_INVERT,
B_OP_ADD,
B_OP_SUBTRACT,
B_OP_BLEND,
B_OP_MIN,
B_OP_MAX,
B_OP_SELECT,
B_OP_ALPHA
};
enum source_alpha {
B_PIXEL_ALPHA = 0,
B_CONSTANT_ALPHA
};
enum alpha_function {
B_ALPHA_OVERLAY = 0,
B_ALPHA_COMPOSITE
};
// Fixed Screen Modes
enum {
B_8_BIT_640x480 = 0x00000001,
B_8_BIT_800x600 = 0x00000002,
B_8_BIT_1024x768 = 0x00000004,
B_8_BIT_1280x1024 = 0x00000008,
B_8_BIT_1600x1200 = 0x00000010,
B_16_BIT_640x480 = 0x00000020,
B_16_BIT_800x600 = 0x00000040,
B_16_BIT_1024x768 = 0x00000080,
B_16_BIT_1280x1024 = 0x00000100,
B_16_BIT_1600x1200 = 0x00000200,
B_32_BIT_640x480 = 0x00000400,
B_32_BIT_800x600 = 0x00000800,
B_32_BIT_1024x768 = 0x00001000,
B_32_BIT_1280x1024 = 0x00002000,
B_32_BIT_1600x1200 = 0x00004000,
B_8_BIT_1152x900 = 0x00008000,
B_16_BIT_1152x900 = 0x00010000,
B_32_BIT_1152x900 = 0x00020000,
B_15_BIT_640x480 = 0x00040000,
B_15_BIT_800x600 = 0x00080000,
B_15_BIT_1024x768 = 0x00100000,
B_15_BIT_1280x1024 = 0x00200000,
B_15_BIT_1600x1200 = 0x00400000,
B_15_BIT_1152x900 = 0x00800000,
B_8_BIT_640x400 = 0x80000000
};
#endif // _GRAPHICS_DEFS_H