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annotate test/testintersections.c @ 3001:7b031c55aebc

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Fixed bug #669 Generate a full set of SDLKey mappings when setting up the keyboard layout
author Sam Lantinga <slouken@libsdl.org>
date Mon, 05 Jan 2009 06:28:50 +0000
parents e4f025078c1c
children 438ba87e9578
rev   line source
2994
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1
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2 /* Simple program: draw as many random objects on the screen as possible */
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3
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4 #include <stdlib.h>
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5 #include <stdio.h>
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6 #include <time.h>
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7
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8 #include "common.h"
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9
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10 #define SWAP(typ,a,b) do{typ t=a;a=b;b=t;}while(0)
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11 #define NUM_OBJECTS 100
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12
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13 static CommonState *state;
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14 static int num_objects;
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15 static SDL_bool cycle_color;
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16 static SDL_bool cycle_alpha;
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17 static int cycle_direction = 1;
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18 static int current_alpha = 255;
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19 static int current_color = 255;
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20 static SDL_BlendMode blendMode = SDL_BLENDMODE_NONE;
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21
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22 void
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23 DrawPoints(SDL_WindowID window)
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24 {
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25 int i;
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26 int x, y;
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27 int window_w, window_h;
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28
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29 /* Query the sizes */
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30 SDL_GetWindowSize(window, &window_w, &window_h);
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31
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32 SDL_SetRenderDrawBlendMode(blendMode);
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33 for (i = 0; i < num_objects * 4; ++i) {
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34 /* Cycle the color and alpha, if desired */
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35 if (cycle_color) {
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36 current_color += cycle_direction;
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37 if (current_color < 0) {
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38 current_color = 0;
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39 cycle_direction = -cycle_direction;
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40 }
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41 if (current_color > 255) {
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42 current_color = 255;
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43 cycle_direction = -cycle_direction;
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44 }
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45 }
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46 if (cycle_alpha) {
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47 current_alpha += cycle_direction;
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48 if (current_alpha < 0) {
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49 current_alpha = 0;
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50 cycle_direction = -cycle_direction;
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51 }
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52 if (current_alpha > 255) {
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53 current_alpha = 255;
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54 cycle_direction = -cycle_direction;
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55 }
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56 }
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57 SDL_SetRenderDrawColor(255, (Uint8) current_color,
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58 (Uint8) current_color, (Uint8) current_alpha);
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59
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60 x = rand() % window_w;
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61 y = rand() % window_h;
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62 SDL_RenderPoint(x, y);
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63 }
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64 SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
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65 }
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66
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67 #define MAX_LINES 16
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68 int num_lines = 0;
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69 SDL_Rect lines[MAX_LINES];
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70 static int
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71 add_line(int x1, int y1, int x2, int y2)
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72 {
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73 if (num_lines >= MAX_LINES)
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74 return 0;
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75 if ((x1 == x2) && (y1 == y2))
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76 return 0;
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77
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78 printf("adding line (%d, %d), (%d, %d)\n", x1, y1, x2, y2);
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79 lines[num_lines].x = x1;
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80 lines[num_lines].y = y1;
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81 lines[num_lines].w = x2;
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82 lines[num_lines].h = y2;
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83
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84 return ++num_lines;
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85 }
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86
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87
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88 void
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89 DrawLines(SDL_WindowID window)
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90 {
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91 int i;
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92 int x1, y1, x2, y2;
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93 int window_w, window_h;
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94
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95 /* Query the sizes */
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96 SDL_GetWindowSize(window, &window_w, &window_h);
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97
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98 SDL_SetRenderDrawBlendMode(blendMode);
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99 for (i = 0; i < num_lines; ++i) {
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100 SDL_SetRenderDrawColor(255, 255, 255, 255);
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101
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102 if (i == -1) {
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103 SDL_RenderLine(0, 0, window_w - 1, window_h - 1);
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104 SDL_RenderLine(0, window_h - 1, window_w - 1, 0);
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105 SDL_RenderLine(0, window_h / 2, window_w - 1, window_h / 2);
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106 SDL_RenderLine(window_w / 2, 0, window_w / 2, window_h - 1);
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107 } else {
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108 SDL_RenderLine(lines[i].x, lines[i].y, lines[i].w, lines[i].h);
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109 }
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110 }
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111 SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
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112 }
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113
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114 #define MAX_RECTS 16
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115 int num_rects = 0;
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116 SDL_Rect rects[MAX_RECTS];
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117 static int
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118 add_rect(int x1, int y1, int x2, int y2)
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119 {
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120 if (num_rects >= MAX_RECTS)
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121 return 0;
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122 if ((x1 == x2) || (y1 == y2))
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123 return 0;
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124
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125 if (x1 > x2)
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126 SWAP(int, x1, x2);
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127 if (y1 > y2)
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128 SWAP(int, y1, y2);
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129
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130 printf("adding rect (%d, %d), (%d, %d) [%dx%d]\n", x1, y1, x2, y2,
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131 x2 - x1, y2 - y1);
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132
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133 rects[num_rects].x = x1;
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134 rects[num_rects].y = y1;
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135 rects[num_rects].w = x2 - x1;
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136 rects[num_rects].h = y2 - y1;
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137
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138 return ++num_rects;
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139 }
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parents:
diff changeset
140
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
141 static void
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
142 DrawRects(SDL_WindowID window)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
143 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
144 int i;
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parents:
diff changeset
145 int window_w, window_h;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
146
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
147 /* Query the sizes */
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
148 SDL_GetWindowSize(window, &window_w, &window_h);
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parents:
diff changeset
149
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
150 SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
151 for (i = 0; i < num_rects; ++i) {
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152 SDL_SetRenderDrawColor(255, 127, 0, 255);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
153 SDL_RenderFill(&rects[i]);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
154 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
155 SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
156 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
157
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
158 static void
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
159 DrawRectLineIntersections(SDL_WindowID window)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
160 {
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
161 int i, j, window_w, window_h;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
162
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
163 /* Query the sizes */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
164 SDL_GetWindowSize(window, &window_w, &window_h);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
165
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
166 SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
167
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
168 for (i = 0; i < num_rects; i++)
2997
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parents: 2994
diff changeset
169 for (j = 0; j < num_lines; j++) {
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
170 int x1, y1, x2, y2;
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
171 SDL_Rect r;
2994
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parents:
diff changeset
172
2997
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diff changeset
173 r = rects[i];
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
174 x1 = lines[j].x;
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
175 y1 = lines[j].y;
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
176 x2 = lines[j].w;
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
177 y2 = lines[j].h;
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
178
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
179 if (SDL_IntersectRectAndLine(&r, &x1, &y1, &x2, &y2)) {
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
180 SDL_SetRenderDrawColor(0, 255, 55, 255);
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
181 SDL_RenderLine(x1, y1, x2, y2);
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
182 }
2994
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diff changeset
183 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
184
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parents:
diff changeset
185 SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
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parents:
diff changeset
186 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
187
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
188 static void
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
189 DrawRectRectIntersections(SDL_WindowID window)
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
190 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
191 int i, j;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
192
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
193 SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
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parents:
diff changeset
194
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parents:
diff changeset
195 for (i = 0; i < num_rects; i++)
2997
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diff changeset
196 for (j = i + 1; j < num_rects; j++) {
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
197 SDL_Rect r;
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
198 if (SDL_IntersectRect(&rects[i], &rects[j], &r)) {
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
199 SDL_SetRenderDrawColor(255, 200, 0, 255);
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
200 SDL_RenderFill(&r);
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
201 }
2994
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
202 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
203
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
204 SDL_SetRenderDrawBlendMode(SDL_BLENDMODE_NONE);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
205 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
206
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
207 int
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
208 main(int argc, char *argv[])
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
209 {
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
210 int mouse_begin_x = -1, mouse_begin_y = -1;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
211 int i, done;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
212 SDL_Event event;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
213 Uint32 then, now, frames;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
214
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
215 /* Initialize parameters */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
216 num_objects = NUM_OBJECTS;
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
217
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
218 /* Initialize test framework */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
219 state = CommonCreateState(argv, SDL_INIT_VIDEO);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
220 if (!state) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
221 return 1;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
222 }
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
223 for (i = 1; i < argc;) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
224 int consumed;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
225
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
226 consumed = CommonArg(state, i);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
227 if (consumed == 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
228 consumed = -1;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
229 if (SDL_strcasecmp(argv[i], "--blend") == 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
230 if (argv[i + 1]) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
231 if (SDL_strcasecmp(argv[i + 1], "none") == 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
232 blendMode = SDL_BLENDMODE_NONE;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
233 consumed = 2;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
234 } else if (SDL_strcasecmp(argv[i + 1], "mask") == 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
235 blendMode = SDL_BLENDMODE_MASK;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
236 consumed = 2;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
237 } else if (SDL_strcasecmp(argv[i + 1], "blend") == 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
238 blendMode = SDL_BLENDMODE_BLEND;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
239 consumed = 2;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
240 } else if (SDL_strcasecmp(argv[i + 1], "add") == 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
241 blendMode = SDL_BLENDMODE_ADD;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
242 consumed = 2;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
243 } else if (SDL_strcasecmp(argv[i + 1], "mod") == 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
244 blendMode = SDL_BLENDMODE_MOD;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
245 consumed = 2;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
246 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
247 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
248 } else if (SDL_strcasecmp(argv[i], "--cyclecolor") == 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
249 cycle_color = SDL_TRUE;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
250 consumed = 1;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
251 } else if (SDL_strcasecmp(argv[i], "--cyclealpha") == 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
252 cycle_alpha = SDL_TRUE;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
253 consumed = 1;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
254 } else if (SDL_isdigit(*argv[i])) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
255 num_objects = SDL_atoi(argv[i]);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
256 consumed = 1;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
257 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
258 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
259 if (consumed < 0) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
260 fprintf(stderr,
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
261 "Usage: %s %s [--blend none|mask|blend|add|mod] [--cyclecolor] [--cyclealpha]\n",
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
262 argv[0], CommonUsage(state));
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
263 return 1;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
264 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
265 i += consumed;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
266 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
267 if (!CommonInit(state)) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
268 return 2;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
269 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
270
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
271 /* Create the windows and initialize the renderers */
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
272 for (i = 0; i < state->num_windows; ++i) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
273 SDL_SelectRenderer(state->windows[i]);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
274 SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
275 SDL_RenderFill(NULL);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
276 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
277
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
278 srand(time(NULL));
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
279
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
280 /* Main render loop */
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
281 frames = 0;
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282 then = SDL_GetTicks();
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Sam Lantinga <slouken@libsdl.org>
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diff changeset
283 done = 0;
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diff changeset
284 while (!done) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
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285 /* Check for events */
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286 ++frames;
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287 while (SDL_PollEvent(&event)) {
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Sam Lantinga <slouken@libsdl.org>
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288 CommonEvent(state, &event, &done);
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Sam Lantinga <slouken@libsdl.org>
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289 switch (event.type) {
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Sam Lantinga <slouken@libsdl.org>
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290 case SDL_MOUSEBUTTONDOWN:
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Sam Lantinga <slouken@libsdl.org>
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291 if (event.button.which == 0) {
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Sam Lantinga <slouken@libsdl.org>
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292 mouse_begin_x = event.button.x;
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293 mouse_begin_y = event.button.y;
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294 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
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295 break;
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Sam Lantinga <slouken@libsdl.org>
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296 case SDL_MOUSEBUTTONUP:
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297 if (event.button.which == 0) {
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298 if (event.button.button == 3)
2997
Sam Lantinga <slouken@libsdl.org>
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299 add_line(mouse_begin_x, mouse_begin_y, event.button.x,
Sam Lantinga <slouken@libsdl.org>
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300 event.button.y);
2994
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301 if (event.button.button == 1)
2997
Sam Lantinga <slouken@libsdl.org>
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302 add_rect(mouse_begin_x, mouse_begin_y, event.button.x,
Sam Lantinga <slouken@libsdl.org>
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diff changeset
303 event.button.y);
2994
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304 }
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Sam Lantinga <slouken@libsdl.org>
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305 break;
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Sam Lantinga <slouken@libsdl.org>
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306 case SDL_KEYDOWN:
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diff changeset
307 switch (event.key.keysym.sym) {
2997
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
308 case 'l':
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
309 if (event.key.keysym.mod & KMOD_SHIFT)
Sam Lantinga <slouken@libsdl.org>
parents: 2994
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310 num_lines = 0;
Sam Lantinga <slouken@libsdl.org>
parents: 2994
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311 else
Sam Lantinga <slouken@libsdl.org>
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312 add_line(rand() % 640, rand() % 480, rand() % 640,
Sam Lantinga <slouken@libsdl.org>
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diff changeset
313 rand() % 480);
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
314 break;
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
315 case 'r':
Sam Lantinga <slouken@libsdl.org>
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diff changeset
316 if (event.key.keysym.mod & KMOD_SHIFT)
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
317 num_rects = 0;
Sam Lantinga <slouken@libsdl.org>
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diff changeset
318 else
Sam Lantinga <slouken@libsdl.org>
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diff changeset
319 add_rect(rand() % 640, rand() % 480, rand() % 640,
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
320 rand() % 480);
Sam Lantinga <slouken@libsdl.org>
parents: 2994
diff changeset
321 break;
2994
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
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diff changeset
322 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
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323 break;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
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diff changeset
324 case SDL_WINDOWEVENT:
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
325 switch (event.window.event) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
326 case SDL_WINDOWEVENT_EXPOSED:
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diff changeset
327 SDL_SelectRenderer(event.window.windowID);
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328 SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
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diff changeset
329 SDL_RenderFill(NULL);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
330 break;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
331 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
332 break;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
333 default:
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
334 break;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
335 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
336 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
337 for (i = 0; i < state->num_windows; ++i) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
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parents:
diff changeset
338 SDL_SelectRenderer(state->windows[i]);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
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parents:
diff changeset
339 SDL_SetRenderDrawColor(0xA0, 0xA0, 0xA0, 0xFF);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
340 SDL_RenderFill(NULL);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
341
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
342 DrawRects(state->windows[i]);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
343 DrawPoints(state->windows[i]);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
344 DrawRectRectIntersections(state->windows[i]);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
345 DrawLines(state->windows[i]);
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Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
346 DrawRectLineIntersections(state->windows[i]);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
347
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
348 SDL_RenderPresent();
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
349 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
350 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
351
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
352 /* Print out some timing information */
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
353 now = SDL_GetTicks();
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
354 if (now > then) {
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
355 double fps = ((double) frames * 1000) / (now - then);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
356 printf("%2.2f frames per second\n", fps);
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
357 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
358 return 0;
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
359 }
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
360
7563b99e9a49 Date: Sat, 3 Jan 2009 22:11:18 -0500
Sam Lantinga <slouken@libsdl.org>
parents:
diff changeset
361 /* vi: set ts=4 sw=4 expandtab: */