271 lines
14 KiB
C
Executable File
271 lines
14 KiB
C
Executable File
/*
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SDL2_gfxPrimitives.h: graphics primitives for SDL
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Copyright (C) 2012-2014 Andreas Schiffler
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Additions for BBC BASIC (C) 2016-2019 Richard Russell
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This software is provided 'as-is', without any express or implied
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warranty. In no event will the authors be held liable for any damages
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arising from the use of this software.
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Permission is granted to anyone to use this software for any purpose,
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including commercial applications, and to alter it and redistribute it
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freely, subject to the following restrictions:
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1. The origin of this software must not be misrepresented; you must not
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claim that you wrote the original software. If you use this software
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in a product, an acknowledgment in the product documentation would be
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appreciated but is not required.
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2. Altered source versions must be plainly marked as such, and must not be
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misrepresented as being the original software.
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3. This notice may not be removed or altered from any source
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distribution.
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Andreas Schiffler -- aschiffler at ferzkopp dot net
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Richard Russell -- richard at rtrussell dot co dot uk
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*/
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#ifndef _SDL2_gfxPrimitives_h
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#define _SDL2_gfxPrimitives_h
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#include <math.h>
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#ifndef M_PI
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#define M_PI 3.1415926535897932384626433832795
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#endif
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#include "SDL.h"
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/* Set up for C function definitions, even when using C++ */
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* ----- Versioning */
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#define SDL2_GFXPRIMITIVES_MAJOR 1
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#define SDL2_GFXPRIMITIVES_MINOR 0
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#define SDL2_GFXPRIMITIVES_MICRO 1
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/* ---- Function Prototypes */
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#ifdef _MSC_VER
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# if defined(DLL_EXPORT) && !defined(LIBSDL2_GFX_DLL_IMPORT)
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# define SDL2_GFXPRIMITIVES_SCOPE __declspec(dllexport)
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# else
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# ifdef LIBSDL2_GFX_DLL_IMPORT
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# define SDL2_GFXPRIMITIVES_SCOPE __declspec(dllimport)
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# endif
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# endif
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#endif
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#ifndef SDL2_GFXPRIMITIVES_SCOPE
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# define SDL2_GFXPRIMITIVES_SCOPE extern
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#endif
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/* Note: all ___Color routines expect the color to be in format 0xAABBGGRR */
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/* assuming a little-endian CPU (or 0xRRGGBBAA for a big-endian CPU) */
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/* Pixel */
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SDL2_GFXPRIMITIVES_SCOPE int pixelColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int pixelRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Horizontal line */
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SDL2_GFXPRIMITIVES_SCOPE int hlineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int hlineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 x2, Sint16 y, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Vertical line */
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SDL2_GFXPRIMITIVES_SCOPE int vlineColor(SDL_Renderer * renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int vlineRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y1, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Rectangle */
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SDL2_GFXPRIMITIVES_SCOPE int rectangleColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int rectangleRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1,
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Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Rounded-Corner Rectangle */
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SDL2_GFXPRIMITIVES_SCOPE int roundedRectangleColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int roundedRectangleRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1,
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Sint16 x2, Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled rectangle (Box) */
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SDL2_GFXPRIMITIVES_SCOPE int boxColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int boxRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2,
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Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Rounded-Corner Filled rectangle (Box) */
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SDL2_GFXPRIMITIVES_SCOPE int roundedBoxColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 rad, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int roundedBoxRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2,
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Sint16 y2, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Line */
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SDL2_GFXPRIMITIVES_SCOPE int lineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int lineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1,
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Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA Line */
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SDL2_GFXPRIMITIVES_SCOPE int aalineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int aalineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1,
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Sint16 x2, Sint16 y2, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Thick Line */
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SDL2_GFXPRIMITIVES_SCOPE int thickLineColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2,
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Uint8 width, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int thickLineRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2,
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Uint8 width, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Circle */
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SDL2_GFXPRIMITIVES_SCOPE int circleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int circleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Arc */
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SDL2_GFXPRIMITIVES_SCOPE int arcColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int arcRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA Circle */
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SDL2_GFXPRIMITIVES_SCOPE int aacircleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int aacircleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
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Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Circle */
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SDL2_GFXPRIMITIVES_SCOPE int filledCircleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 r, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int filledCircleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
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Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Ellipse */
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SDL2_GFXPRIMITIVES_SCOPE int ellipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int ellipseRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
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Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA Ellipse */
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SDL2_GFXPRIMITIVES_SCOPE int aaellipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int aaellipseRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
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Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Ellipse */
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SDL2_GFXPRIMITIVES_SCOPE int filledEllipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int filledEllipseRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y,
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Sint16 rx, Sint16 ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Pie */
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SDL2_GFXPRIMITIVES_SCOPE int pieColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
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Sint16 start, Sint16 end, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int pieRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
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Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Pie */
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SDL2_GFXPRIMITIVES_SCOPE int filledPieColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
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Sint16 start, Sint16 end, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int filledPieRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad,
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Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Trigon */
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SDL2_GFXPRIMITIVES_SCOPE int trigonColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int trigonRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA-Trigon */
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SDL2_GFXPRIMITIVES_SCOPE int aatrigonColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int aatrigonRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Trigon */
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SDL2_GFXPRIMITIVES_SCOPE int filledTrigonColor(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int filledTrigonRGBA(SDL_Renderer * renderer, Sint16 x1, Sint16 y1, Sint16 x2, Sint16 y2, Sint16 x3, Sint16 y3,
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Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Polygon */
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SDL2_GFXPRIMITIVES_SCOPE int polygonColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int polygonRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy,
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int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* AA-Polygon */
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SDL2_GFXPRIMITIVES_SCOPE int aapolygonColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int aapolygonRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy,
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int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Filled Polygon */
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SDL2_GFXPRIMITIVES_SCOPE int filledPolygonColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int filledPolygonRGBA(SDL_Renderer * renderer, const Sint16 * vx,
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const Sint16 * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Textured Polygon */
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SDL2_GFXPRIMITIVES_SCOPE int texturedPolygon(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, SDL_Surface * texture,int texture_dx,int texture_dy);
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/* Bezier */
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SDL2_GFXPRIMITIVES_SCOPE int bezierColor(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy, int n, int s, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int bezierRGBA(SDL_Renderer * renderer, const Sint16 * vx, const Sint16 * vy,
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int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Characters/Strings */
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SDL2_GFXPRIMITIVES_SCOPE void gfxPrimitivesSetFont(const void *fontdata, Uint32 cw, Uint32 ch);
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SDL2_GFXPRIMITIVES_SCOPE void gfxPrimitivesSetFontRotation(Uint32 rotation);
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SDL2_GFXPRIMITIVES_SCOPE void gfxPrimitivesSetFontZoom(Uint32 zoomx, Uint32 zoomy);
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SDL2_GFXPRIMITIVES_SCOPE int characterColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, char c, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int characterRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, char c, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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SDL2_GFXPRIMITIVES_SCOPE int stringColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, const char *s, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int stringRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, const char *s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Richard Russell's additions */
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SDL2_GFXPRIMITIVES_SCOPE int thickEllipseColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rx, Sint16 ry, Uint32 color, Uint8 thick);
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SDL2_GFXPRIMITIVES_SCOPE int thickEllipseRGBA(SDL_Renderer * renderer, Sint16 xc, Sint16 yc, Sint16 xr, Sint16 yr, Uint8 r, Uint8 g, Uint8 b, Uint8 a, Uint8 thick);
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SDL2_GFXPRIMITIVES_SCOPE int thickArcColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Sint16 start, Sint16 end, Uint32 color, Uint8 thick);
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SDL2_GFXPRIMITIVES_SCOPE int thickArcRGBA(SDL_Renderer * renderer, Sint16 xc, Sint16 yc, Sint16 rad, Sint16 start, Sint16 end, Uint8 r, Uint8 g, Uint8 b, Uint8 a, Uint8 thick);
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SDL2_GFXPRIMITIVES_SCOPE int thickCircleColor(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint32 color, Uint8 thick);
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SDL2_GFXPRIMITIVES_SCOPE int thickCircleRGBA(SDL_Renderer * renderer, Sint16 x, Sint16 y, Sint16 rad, Uint8 r, Uint8 g, Uint8 b, Uint8 a, Uint8 thick);
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SDL2_GFXPRIMITIVES_SCOPE int aaFilledEllipseColor(SDL_Renderer * renderer, float cx, float cy, float rx, float ry, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int aaFilledEllipseRGBA(SDL_Renderer * renderer, float cx, float cy, float rx, float ry, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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SDL2_GFXPRIMITIVES_SCOPE int aaFilledPolygonColor(SDL_Renderer * renderer, const double * vx, const double * vy, int n, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int aaFilledPolygonRGBA(SDL_Renderer * renderer, const double * vx, const double * vy, int n, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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SDL2_GFXPRIMITIVES_SCOPE int aaFilledPieColor(SDL_Renderer * renderer, float cx, float cy, float rx, float ry, float start, float end, Uint32 chord, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int aaFilledPieRGBA(SDL_Renderer * renderer, float cx, float cy, float rx, float ry,
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float start, float end, Uint32 chord, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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SDL2_GFXPRIMITIVES_SCOPE int aaArcColor(SDL_Renderer * renderer, float cx, float cy, float rx, float ry, float start, float end, float thick, Uint32 color);
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SDL2_GFXPRIMITIVES_SCOPE int aaArcRGBA(SDL_Renderer * renderer, float cx, float cy, float rx, float ry,
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float start, float end, float thick, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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SDL2_GFXPRIMITIVES_SCOPE int aaBezierColor(SDL_Renderer * renderer, double *x, double *y, int n, int s, float thick, int color);
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SDL2_GFXPRIMITIVES_SCOPE int aaBezierRGBA(SDL_Renderer * renderer, double *x, double *y, int n, int s, float thick, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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SDL2_GFXPRIMITIVES_SCOPE int aaFilledPolyBezierColor(SDL_Renderer * renderer, double *x, double *y, int n, int s, int color);
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SDL2_GFXPRIMITIVES_SCOPE int aaFilledPolyBezierRGBA(SDL_Renderer * renderer, double *x, double *y, int n, int s, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
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/* Ends C function definitions when using C++ */
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#ifdef __cplusplus
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}
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#endif
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#endif /* _SDL2_gfxPrimitives_h */
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