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annotate src/painter.c @ 46:b815621df3e3

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core: remove all fixed width integers, closes #2460
author David Demelier <markand@malikania.fr>
date Wed, 15 Jan 2020 22:31:17 +0100
parents 3996f873a54b
children
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1 /*
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2 * painter.c -- basic drawing routines
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3 *
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4 * Copyright (c) 2020 David Demelier <markand@malikania.fr>
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5 *
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6 * Permission to use, copy, modify, and/or distribute this software for any
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7 * purpose with or without fee is hereby granted, provided that the above
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8 * copyright notice and this permission notice appear in all copies.
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9 *
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10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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17 */
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18
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19 #include "color.h"
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20 #include "painter.h"
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21 #include "texture_p.h"
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22 #include "window_p.h"
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23
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24 static struct texture *renderer;
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25
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26 struct texture *
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27 painter_get_target(void)
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28 {
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29 return renderer;
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30 }
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31
28
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32 void
41
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33 painter_set_target(struct texture *tex)
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34 {
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35 renderer = tex;
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36 SDL_SetRenderTarget(win.renderer, tex ? tex->handle : NULL);
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37 }
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38
46
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39 unsigned long
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40 painter_get_color(void)
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41 {
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42 Uint8 r = 0, g = 0, b = 0, a = 0;
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43
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44 SDL_GetRenderDrawColor(win.renderer, &r, &g, &b, &a);
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45
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46 return COLOR_HEX(r, g, b, a);
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47 }
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48
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49 void
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50 painter_set_color(unsigned long color)
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51 {
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52 SDL_SetRenderDrawColor(
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53 win.renderer,
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54 COLOR_R(color),
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55 COLOR_G(color),
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56 COLOR_B(color),
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57 COLOR_A(color)
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58 );
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59 }
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60
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61 void
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62 painter_draw_line(int x1, int y1, int x2, int y2)
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63 {
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64 SDL_RenderDrawLine(win.renderer, x1, y1, x2, y2);
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65 }
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66
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67 void
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68 painter_draw_point(int x1, int y1)
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69 {
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70 SDL_RenderDrawPoint(win.renderer, x1, y1);
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71 }
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72
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73 void
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74 painter_draw_rectangle(bool fill, int x, int y, unsigned int width, unsigned int height)
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75 {
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76 const SDL_Rect rect = {
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77 .w = width,
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78 .h = height,
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79 .x = x,
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80 .y = y
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81 };
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82
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83 if (fill)
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84 SDL_RenderFillRect(win.renderer, &rect);
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85 else
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86 SDL_RenderDrawRect(win.renderer, &rect);
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87 }
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88
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89 void
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90 painter_clear(void)
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91 {
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92 SDL_RenderClear(win.renderer);
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93 }
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94
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95 void
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96 painter_present(void)
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97 {
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98 SDL_RenderPresent(win.renderer);
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99 }