Wed, 09 Dec 2020 11:32:01 +0100
add existing toolkit source
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1 | /* |
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2 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. |
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3 | * |
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4 | * Copyright 2017 Olaf Wintermann. All rights reserved. |
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5 | * |
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6 | * Redistribution and use in source and binary forms, with or without |
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7 | * modification, are permitted provided that the following conditions are met: |
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8 | * |
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9 | * 1. Redistributions of source code must retain the above copyright |
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10 | * notice, this list of conditions and the following disclaimer. |
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11 | * |
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12 | * 2. Redistributions in binary form must reproduce the above copyright |
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13 | * notice, this list of conditions and the following disclaimer in the |
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14 | * documentation and/or other materials provided with the distribution. |
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15 | * |
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16 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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17 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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18 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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19 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE |
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20 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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21 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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22 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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23 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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24 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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25 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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26 | * POSSIBILITY OF SUCH DAMAGE. |
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27 | */ |
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28 | |
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29 | #ifndef UI_GRAPHICS_H |
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30 | #define UI_GRAPHICS_H |
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31 | |
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32 | #include "toolkit.h" |
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33 | |
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34 | #ifdef __cplusplus |
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35 | extern "C" { |
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36 | #endif |
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37 | |
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38 | typedef struct UiGraphics UiGraphics; |
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39 | typedef struct UiTextLayout UiTextLayout; |
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40 | |
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41 | typedef void(*ui_drawfunc)(UiEvent*, UiGraphics*, void*); |
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42 | |
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43 | struct UiGraphics { |
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44 | int width; |
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45 | int height; |
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46 | }; |
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47 | |
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48 | UIWIDGET ui_drawingarea(UiObject *obj, ui_drawfunc f, void *userdata); |
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49 | void ui_drawingarea_mousehandler(UiObject *obj, UIWIDGET widget, ui_callback f, void *u); |
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50 | void ui_drawingarea_getsize(UIWIDGET drawingarea, int *width, int *height); |
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51 | void ui_drawingarea_redraw(UIWIDGET drawingarea); |
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52 | |
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53 | // text layout |
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54 | UiTextLayout* ui_text(UiGraphics *g); |
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55 | void ui_text_free(UiTextLayout *text); |
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56 | void ui_text_setstring(UiTextLayout *layout, char *str); |
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57 | void ui_text_setstringl(UiTextLayout *layout, char *str, int len); |
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58 | void ui_text_setfont(UiTextLayout *layout, char *font, int size); |
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59 | void ui_text_getsize(UiTextLayout *layout, int *width, int *height); |
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60 | void ui_text_setwidth(UiTextLayout *layout, int width); |
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61 | |
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62 | // drawing functions |
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63 | void ui_graphics_color(UiGraphics *g, int red, int green, int blue); |
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64 | void ui_draw_line(UiGraphics *g, int x1, int y1, int x2, int y2); |
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65 | void ui_draw_rect(UiGraphics *g, int x, int y, int w, int h, int fill); |
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66 | void ui_draw_text(UiGraphics *g, int x, int y, UiTextLayout *text); |
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67 | |
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68 | #ifdef __cplusplus |
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69 | } |
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70 | #endif |
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71 | |
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72 | #endif /* UI_GRAPHICS_H */ |
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73 |