1 /* 2 Copyright (c) 2013-2016, 2018-2019 Cong Xu 3 All rights reserved. 4 5 Redistribution and use in source and binary forms, with or without 6 modification, are permitted provided that the following conditions are met: 7 8 Redistributions of source code must retain the above copyright notice, this 9 list of conditions and the following disclaimer. 10 Redistributions in binary form must reproduce the above copyright notice, 11 this list of conditions and the following disclaimer in the documentation 12 and/or other materials provided with the distribution. 13 14 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 15 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 18 LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 19 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 20 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 21 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 22 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 23 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 24 POSSIBILITY OF SUCH DAMAGE. 25 */ 26 #pragma once 27 28 #include <SDL_render.h> 29 30 #include "vector.h" 31 32 typedef struct 33 { 34 struct vec2i size; 35 struct vec2i offset; 36 Uint32 *Data; 37 SDL_Texture *Tex; 38 } Pic; 39 40 color_t PixelToColor( 41 const SDL_PixelFormat *f, const Uint8 aShift, const Uint32 pixel); 42 Uint32 ColorToPixel( 43 const SDL_PixelFormat *f, const Uint8 aShift, const color_t color); 44 #define PIXEL2COLOR(_p) \ 45 PixelToColor(gGraphicsDevice.Format, gGraphicsDevice.Format->Ashift, _p) 46 #define COLOR2PIXEL(_c) \ 47 ColorToPixel(gGraphicsDevice.Format, gGraphicsDevice.Format->Ashift, _c) 48 49 void PicLoad( 50 Pic *p, const struct vec2i size, const struct vec2i offset, 51 const SDL_Surface *image); 52 bool PicTryMakeTex(Pic *p); 53 Pic PicCopy(const Pic *src); 54 void PicFree(Pic *pic); 55 bool PicIsNone(const Pic *pic); 56 57 // Detect unused edges and update size and offset to fit 58 void PicTrim(Pic *pic, const bool xTrim, const bool yTrim); 59 void PicShrink(Pic *pic, const struct vec2i size, const struct vec2i offset); 60 61 bool PicPxIsEdge(const Pic *pic, const struct vec2i pos, const bool isPixel); 62 color_t PicGetRandomColor(const Pic *p); 63 64 void PicRender( 65 const Pic *p, SDL_Renderer *r, const struct vec2i pos, const color_t mask, 66 const double radians, const struct vec2 scale, const SDL_RendererFlip flip, 67 const Rect2i src); 68