69001466e2
* Whitespace / Tab cleanup * Better document color space * Let me know if anything looks wrong
327 lines
7.3 KiB
C
327 lines
7.3 KiB
C
/*
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* Copyright 2008-2012 Haiku, Inc. All rights reserved.
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* Distributed under the terms of the MIT License.
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*/
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#ifndef _GRAPHICS_DEFS_H
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#define _GRAPHICS_DEFS_H
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#include <SupportDefs.h>
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// Pattern
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typedef struct pattern {
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uint8 data[8];
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} pattern;
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#ifdef __cplusplus
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inline bool
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operator==(const pattern& a, const pattern& b)
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{
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return (*(uint64*)a.data == *(uint64*)b.data);
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}
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inline bool
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operator!=(const pattern& a, const pattern& b)
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{
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return !(a == b);
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}
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#endif // __cplusplus
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extern const pattern B_SOLID_HIGH;
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extern const pattern B_MIXED_COLORS;
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extern const pattern B_SOLID_LOW;
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// rgb_color
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typedef struct rgb_color {
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uint8 red;
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uint8 green;
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uint8 blue;
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uint8 alpha;
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#if defined(__cplusplus)
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// some convenient additions
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inline rgb_color&
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set_to(uint8 r, uint8 g, uint8 b, uint8 a = 255)
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{
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red = r;
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green = g;
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blue = b;
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alpha = a;
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return *this;
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}
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inline bool
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operator==(const rgb_color& other) const
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{
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return *(const uint32 *)this == *(const uint32 *)&other;
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}
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inline bool
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operator!=(const rgb_color& other) const
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{
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return *(const uint32 *)this != *(const uint32 *)&other;
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}
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inline rgb_color&
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operator=(const rgb_color& other)
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{
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return set_to(other.red, other.green, other.blue, other.alpha);
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}
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#endif
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} rgb_color;
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#if defined(__cplusplus)
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inline rgb_color
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make_color(uint8 red, uint8 green, uint8 blue, uint8 alpha = 255)
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{
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rgb_color color = {red, green, blue, alpha};
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return color;
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}
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#endif
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extern const rgb_color B_TRANSPARENT_COLOR;
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extern const uint8 B_TRANSPARENT_MAGIC_CMAP8;
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extern const uint16 B_TRANSPARENT_MAGIC_RGBA15;
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extern const uint16 B_TRANSPARENT_MAGIC_RGBA15_BIG;
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extern const uint32 B_TRANSPARENT_MAGIC_RGBA32;
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extern const uint32 B_TRANSPARENT_MAGIC_RGBA32_BIG;
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extern const uint8 B_TRANSPARENT_8_BIT;
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extern const rgb_color B_TRANSPARENT_32_BIT;
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// color map
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typedef struct color_map {
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int32 id;
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rgb_color color_list[256];
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uint8 inversion_map[256];
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uint8 index_map[32768];
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} color_map;
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// overlay
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typedef struct overlay_rect_limits {
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uint16 horizontal_alignment;
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uint16 vertical_alignment;
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uint16 width_alignment;
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uint16 height_alignment;
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uint16 min_width;
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uint16 max_width;
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uint16 min_height;
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uint16 max_height;
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uint32 reserved[8];
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} overlay_rect_limits;
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typedef struct overlay_restrictions {
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overlay_rect_limits source;
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overlay_rect_limits destination;
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float min_width_scale;
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float max_width_scale;
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float min_height_scale;
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float max_height_scale;
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uint32 reserved[8];
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} overlay_restrictions;
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// Screen ID
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struct screen_id { int32 id; };
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extern const struct screen_id B_MAIN_SCREEN_ID;
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// Color spaces
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typedef enum {
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B_NO_COLOR_SPACE = 0x0000,
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// linear color space (little endian)
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B_RGB32 = 0x0008, // BGR- -RGB 8:8:8:8
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B_RGBA32 = 0x2008, // BGRA ARGB 8:8:8:8
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B_RGB24 = 0x0003, // BGR RGB 8:8:8
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B_RGB16 = 0x0005, // BGR RGB 5:6:5
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B_RGB15 = 0x0010, // BGR- -RGB 1:5:5:5
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B_RGBA15 = 0x2010, // BGRA ARGB 1:5:5:5
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B_CMAP8 = 0x0004, // 256 color index table
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B_GRAY8 = 0x0002, // 256 greyscale table
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B_GRAY1 = 0x0001, // Each bit represents a single pixel
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// linear color space (big endian)
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B_RGB32_BIG = 0x1008, // -RGB BGR- 8:8:8:8
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B_RGBA32_BIG = 0x3008, // ARGB BGRA 8:8:8:8
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B_RGB24_BIG = 0x1003, // RGB BGR 8:8:8
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B_RGB16_BIG = 0x1005, // RGB BGR 5:6:5
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B_RGB15_BIG = 0x1010, // -RGB BGR- 5:5:5:1
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B_RGBA15_BIG = 0x3010, // ARGB BGRA 5:5:5:1
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// linear color space (little endian, for completeness)
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B_RGB32_LITTLE = B_RGB32,
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B_RGBA32_LITTLE = B_RGBA32,
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B_RGB24_LITTLE = B_RGB24,
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B_RGB16_LITTLE = B_RGB16,
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B_RGB15_LITTLE = B_RGB15,
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B_RGBA15_LITTLE = B_RGBA15,
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// non linear color space -- incidently, all with 8 bits per value
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// Note, BBitmap and BView do not support all of these!
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// Loss / saturation points:
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// Y 16 - 235 (absolute)
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// Cb/Cr 16 - 240 (center 128)
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B_YCbCr422 = 0x4000, // Y0 Cb0 Y1 Cr0
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// Y2 Cb2 Y3 Cr4
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B_YCbCr411 = 0x4001, // Cb0 Y0 Cr0 Y1
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// Cb4 Y2 Cr4 Y3
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// Y4 Y5 Y6 Y7
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B_YCbCr444 = 0x4003, // Y Cb Cr
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B_YCbCr420 = 0x4004, // Non-interlaced only
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// on even scan lines: Cb0 Y0 Y1 Cb2 Y2 Y3
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// on odd scan lines: Cr0 Y0 Y1 Cr2 Y2 Y3
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// Extrema points are:
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// Y 0 - 207 (absolute)
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// U -91 - 91 (offset 128)
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// V -127 - 127 (offset 128)
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// Note that YUV byte order is different from YCbCr; use YCbCr, not YUV,
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// when that's what you mean!
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B_YUV422 = 0x4020, // U0 Y0 V0 Y1
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// U2 Y2 V2 Y3
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B_YUV411 = 0x4021, // U0 Y0 Y1 V0 Y2 Y3
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// U4 Y4 Y5 V4 Y6 Y7
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B_YUV444 = 0x4023, // U0 Y0 V0 U1 Y1 V1
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B_YUV420 = 0x4024, // Non-interlaced only
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// on even scan lines: U0 Y0 Y1 U2 Y2 Y3
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// on odd scan lines: V0 Y0 Y1 V2 Y2 Y3
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B_YUV9 = 0x402C,
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B_YUV12 = 0x402D,
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B_UVL24 = 0x4030, // UVL
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B_UVL32 = 0x4031, // UVL-
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B_UVLA32 = 0x6031, // UVLA
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// L lightness, a/b color-opponent dimensions
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B_LAB24 = 0x4032, // Lab
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B_LAB32 = 0x4033, // Lab-
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B_LABA32 = 0x6033, // LabA
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// Red is at hue 0
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B_HSI24 = 0x4040, // HSI
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B_HSI32 = 0x4041, // HSI-
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B_HSIA32 = 0x6041, // HSIA
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B_HSV24 = 0x4042, // HSV
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B_HSV32 = 0x4043, // HSV-
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B_HSVA32 = 0x6043, // HSVA
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B_HLS24 = 0x4044, // HLS
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B_HLS32 = 0x4045, // HLS-
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B_HLSA32 = 0x6045, // HLSA
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B_CMY24 = 0xC001, // CMY
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B_CMY32 = 0xC002, // CMY-
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B_CMYA32 = 0xE002, // CMYA
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B_CMYK32 = 0xC003, // CMYK
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// Compatibility declarations
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B_MONOCHROME_1_BIT = B_GRAY1,
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B_GRAYSCALE_8_BIT = B_GRAY8,
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B_COLOR_8_BIT = B_CMAP8,
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B_RGB_32_BIT = B_RGB32,
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B_RGB_16_BIT = B_RGB15,
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B_BIG_RGB_32_BIT = B_RGB32_BIG,
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B_BIG_RGB_16_BIT = B_RGB15_BIG
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} color_space;
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// Bitmap Support Flags
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enum {
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B_VIEWS_SUPPORT_DRAW_BITMAP = 0x1,
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B_BITMAPS_SUPPORT_ATTACHED_VIEWS = 0x2,
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B_BITMAPS_SUPPORT_OVERLAY = 0x4
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};
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bool bitmaps_support_space(color_space space, uint32* _supportFlags);
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status_t get_pixel_size_for(color_space space, size_t* _pixelChunk,
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size_t* _rowAlignment, size_t* _pixelsPerChunk);
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enum buffer_orientation {
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B_BUFFER_TOP_TO_BOTTOM,
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B_BUFFER_BOTTOM_TO_TOP
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};
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enum buffer_layout {
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B_BUFFER_NONINTERLEAVED = 1
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};
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// Drawing Modes
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enum drawing_mode {
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B_OP_COPY,
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B_OP_OVER,
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B_OP_ERASE,
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B_OP_INVERT,
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B_OP_ADD,
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B_OP_SUBTRACT,
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B_OP_BLEND,
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B_OP_MIN,
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B_OP_MAX,
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B_OP_SELECT,
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B_OP_ALPHA
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};
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enum source_alpha {
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B_PIXEL_ALPHA = 0,
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B_CONSTANT_ALPHA
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};
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enum alpha_function {
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B_ALPHA_OVERLAY = 0,
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B_ALPHA_COMPOSITE
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};
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// Fixed Screen Modes
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enum {
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B_8_BIT_640x480 = 0x00000001,
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B_8_BIT_800x600 = 0x00000002,
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B_8_BIT_1024x768 = 0x00000004,
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B_8_BIT_1280x1024 = 0x00000008,
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B_8_BIT_1600x1200 = 0x00000010,
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B_16_BIT_640x480 = 0x00000020,
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B_16_BIT_800x600 = 0x00000040,
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B_16_BIT_1024x768 = 0x00000080,
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B_16_BIT_1280x1024 = 0x00000100,
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B_16_BIT_1600x1200 = 0x00000200,
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B_32_BIT_640x480 = 0x00000400,
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B_32_BIT_800x600 = 0x00000800,
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B_32_BIT_1024x768 = 0x00001000,
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B_32_BIT_1280x1024 = 0x00002000,
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B_32_BIT_1600x1200 = 0x00004000,
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B_8_BIT_1152x900 = 0x00008000,
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B_16_BIT_1152x900 = 0x00010000,
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B_32_BIT_1152x900 = 0x00020000,
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B_15_BIT_640x480 = 0x00040000,
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B_15_BIT_800x600 = 0x00080000,
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B_15_BIT_1024x768 = 0x00100000,
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B_15_BIT_1280x1024 = 0x00200000,
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B_15_BIT_1600x1200 = 0x00400000,
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B_15_BIT_1152x900 = 0x00800000,
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B_8_BIT_640x400 = 0x80000000
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};
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#endif // _GRAPHICS_DEFS_H
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