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author | Aleksey Lim <alsroot@member.fsf.org> | 2009-02-18 03:58:55 (GMT) |
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committer | Aleksey Lim <alsroot@member.fsf.org> | 2009-02-20 00:03:07 (GMT) |
commit | b999a05ad78264d6b7975bf39c8297f36a514ed1 (patch) | |
tree | 9d635b80737206ccea9aa7e448910b93760116a9 /src/colorsc.h | |
parent | 25ddc1089bb0950d2d8a8cec8a62acb1a9469ec2 (diff) |
Add Makefile to build binary package in convenient way
Diffstat (limited to 'src/colorsc.h')
-rw-r--r-- | src/colorsc.h | 205 |
1 files changed, 0 insertions, 205 deletions
diff --git a/src/colorsc.h b/src/colorsc.h deleted file mode 100644 index 543a2ce..0000000 --- a/src/colorsc.h +++ /dev/null @@ -1,205 +0,0 @@ -/* - Copyright 2008 by Jens Andersson and Wade Brainerd. - This file is part of Colors! XO. - - Colors is free software: you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or - (at your option) any later version. - - Colors is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with Colors. If not, see <http://www.gnu.org/licenses/>. -*/ -#ifndef _COLORSC_H_ -#define _COLORSC_H_ - -#include <python2.5/Python.h> - -#include <vector> -#include <algorithm> -using namespace std; - -#include <cmath> -#include <float.h> - -// todo- Include the real GTK headers when installed. -#include "gtk_types.h" - -static const float PI = 3.14159f; - -inline float sgn(float a) { if (a>0) return 1; if (a<0) return -1; return 0; } - -inline float sqr(float a) { return a*a; } - -inline float clamp(float a, float mn, float mx) { return max(mn, min(mx, a)); } - -inline float to_rad(float degrees) { return degrees * PI/180.0f; } -inline float to_deg(float rads) { return rads * 180.0f/PI; } - -// Maps an incoming value in a given f0-t0 range to a new value in the f1-t1 range, optionally clamping to f1-t1. -inline float map_range(float a, float f0, float t0, float f1, float t1, bool clmp=true) -{ - float r = (a-f0)/(t0-f0); - if (clmp) r = clamp(r, 0.0f, 1.0f); - return f1+r*(t1-f1); -} - -// Scales a value by an 8bit scale factor from 0-255. The MSB of the scale factor is added to it, which means that -// scaling by 255 is an identity. -inline int fixed_scale(int value, int scale) -{ - scale += scale >> 7; - return (value * scale) >> 8; -} - -inline unsigned short endian_swap(unsigned short v) -{ - return (v>>8) | (v<<8); -} - -struct Pos -{ - float x, y; - Pos() : x(0), y(0) {} - Pos(float x, float y) : x(x), y(y) {} - Pos operator+(const Pos& b) const { return Pos(x+b.x, y+b.y); } - Pos operator-(const Pos& b) const { return Pos(x-b.x, y-b.y); } - Pos operator*(const Pos& b) const { return Pos(x*b.x, y*b.y); } - Pos operator/(const Pos& b) const { return Pos(x/b.x, y/b.y); } - Pos operator*(float b) const { return Pos(x*b, y*b); } - Pos operator/(float b) const { return Pos(x/b, y/b); } - static Pos create_from_min(const Pos& a, const Pos& b) { return Pos(min(a.x,b.x), min(a.y,b.y)); } - static Pos create_from_max(const Pos& a, const Pos& b) { return Pos(max(a.x,b.x), max(a.y,b.y)); } - static Pos create_from_angle(float a, float r) { return Pos(cosf(a*PI/180.0f)*r, sinf(a*PI/180.0f)*r); } - static Pos create_from_rotation(const Pos& a, const Pos& center, float t) - { - return Pos( - (a.x-center.x)*cosf(t) - (a.y-center.y)*sinf(t) + center.x, - (a.y-center.y)*cosf(t) + (a.x-center.x)*sinf(t) + center.y); - } -}; - -struct Color -{ - unsigned char r, g, b, a; - Color() : r(0), g(0), b(0), a(0) {} - Color(int r, int g, int b, int a) : r(r), g(g), b(b), a(a) {} - unsigned int get_a8r8g8b8() { return (a<<24) | (r<<16) | (g<<8) | (b<<0); } - static Color create_from_a8r8g8b8(unsigned int v) - { - Color c; - c.a = (v>>24) & 0xff; - c.r = (v>>16) & 0xff; - c.g = (v>> 8) & 0xff; - c.b = (v>> 0) & 0xff; - return c; - } - unsigned int get_a8b8g8r8() { return (a<<24) | (b<<16) | (g<<8) | (r<<0); } - static Color create_from_a8b8g8r8(unsigned int v) - { - Color c; - c.a = (v>>24) & 0xff; - c.b = (v>>16) & 0xff; - c.g = (v>> 8) & 0xff; - c.r = (v>> 0) & 0xff; - return c; - } - unsigned int get_r5g6b5() { return ((r>>3)<<11) | ((g>>2)<<5) | (b>>3); } - static Color create_from_r5g6b5(unsigned short v) - { - Color c; - c.r = ((v>>11)&0x1f)<<3; - c.g = ((v>> 5)&0x1f)<<3; - c.b = ((v>> 0)&0x1f)<<3; - c.a = 255; - return c; - } - unsigned int get_b5g6r5() { return ((b>>3)<<11) | ((g>>2)<<5) | (r>>3); } - static Color create_from_float(float r, float g, float b, float a) - { - Color c; - c.r = int(r*255.0f); - c.g = int(g*255.0f); - c.b = int(b*255.0f); - c.a = int(a*255.0f); - return c; - } - static Color create_from_blend(const Color& a, const Color& b) - { - return create_from_lerp(a, b, a.a); - } - static Color create_from_lerp(const Color& a, const Color& b, unsigned int l) - { - unsigned int il = 255-l; - l += l >> 7; - il += il >> 7; - Color c; - c.r = ((a.r * l) + (b.r * il)) >> 8; - c.g = ((a.g * l) + (b.g * il)) >> 8; - c.b = ((a.b * l) + (b.b * il)) >> 8; - c.a = ((a.a * l) + (b.a * il)) >> 8; - return c; - } - static Color create_from_yuv(unsigned char y, unsigned char u, unsigned char v) - { - Color c; - c.r = (unsigned char)max(0.0f, min(255.0f, 1.164f*(y-16) + 1.596f*(v-128))); - c.g = (unsigned char)max(0.0f, min(255.0f, 1.164f*(y-16) - 0.813f*(v-128) - 0.391f*(u-128))); - c.b = (unsigned char)max(0.0f, min(255.0f, 1.164f*(y-16) + 2.018f*(u-128))); - return c; - } - - static Color yuv_to_hsv(unsigned int yuv) - { - Color c, d; - unsigned char y,u,v,val,delta,vmin; - float hue, sat; - // v4l2src is sending YUYV, meaning, 4 bytes per 2 pixels. - // pixel 1 gets the first 8 bit y and both 8 bit U and V. - // pixel 2 gets the other y and u and v. we are only using pixel 1. - y = ((yuv>>24)&0xFF); - u = ((yuv>>16)&0xFF); - v = (yuv&0xFF); - // for now, yuv->first. TODO: go straight from yuv to hsv - d = create_from_yuv(y, u, v); - - val = max(max(d.r, d.g), d.b); - vmin = min(min(d.r, d.g), d.b); - delta = val-vmin; - if (delta == 0) { - hue = 0.0; - sat = 0.0; - } else if (val == d.r) { - hue = 42.5*(d.g-d.b)/delta; - sat = 255.0*delta/val; - } else if (val == d.g) { - hue = 42.5*(d.b-d.r)/delta + 85.0; - sat = 255.0*delta/val; - } else { - hue = 42.5*(d.r-d.g)/delta + 170.0; - sat = 255.0*delta/val; - } - if (hue < 0.0) hue += 255.0; - if (hue > 255.0) hue -= 255.0; - c.r = (unsigned char)max(0.0f, min(255.0f, hue)); - c.g = (unsigned char)max(0.0f, min(255.0f, sat)); - c.b = (unsigned char)max((unsigned char)0, min((unsigned char)255, val)); - return c; - } - -}; - -// Structure for passing byte data to and from Python. -struct ByteBuffer -{ - int size; - void* data; -}; - -#endif - |