333 lines
12 KiB
C
333 lines
12 KiB
C
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#include<stdio.h>
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#include<stdlib.h>
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#define LOG_DEFAULT_LEVEL LOG_LEVEL_MESSAGE
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#define LOG_COMPILE_DEBUG
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#include"milepost.h"
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#define LOG_SUBSYSTEM "Main"
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static const char* TEST_STRING =
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"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla quam enim, aliquam in placerat luctus, rutrum in quam. "
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"Cras urna elit, pellentesque ac ipsum at, lobortis scelerisque eros. Aenean et turpis nibh. Maecenas lectus augue, eleifend "
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"nec efficitur eu, faucibus eget turpis. Suspendisse vel nulla mi. Duis imperdiet neque orci, ac ultrices orci molestie a. "
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"Etiam malesuada vulputate hendrerit. Cras ultricies diam in lectus finibus, eu laoreet diam rutrum.\n"
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"\n"
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"Etiam dictum orci arcu, ac fermentum leo dapibus lacinia. Integer vitae elementum ex. Vestibulum tempor nunc eu hendrerit "
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"ornare. Nunc pretium ligula sit amet massa pulvinar, vitae imperdiet justo bibendum. Maecenas consectetur elementum mi, sed "
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"vehicula neque pulvinar sit amet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc tortor erat, accumsan in laoreet "
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"quis, placerat nec enim. Nulla facilisi. Morbi vitae nibh ligula. Suspendisse in molestie magna, eget aliquet mauris. Sed "
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"aliquam faucibus magna.\n"
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"\n"
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"Sed metus odio, imperdiet et consequat non, faucibus nec risus. Suspendisse facilisis sem neque, id scelerisque dui mattis sit "
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"amet. Nullam tincidunt nisl nec dui dignissim mattis. Proin fermentum ornare ipsum. Proin eleifend, mi vitae porttitor placerat, "
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"neque magna elementum turpis, eu aliquet mi urna et leo. Pellentesque interdum est mauris, sed pellentesque risus blandit in. "
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"Phasellus dignissim consequat eros, at aliquam elit finibus posuere. Proin suscipit tortor leo, id vulputate odio lobortis in. "
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"Vestibulum et orci ligula. Sed scelerisque nunc non nisi aliquam, vel eleifend felis suscipit. Integer posuere sapien elit, "
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"lacinia ultricies nibh sodales nec.\n"
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"\n"
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"Etiam aliquam purus sit amet purus ultricies tristique. Nunc maximus nunc quis magna ornare, vel interdum urna fermentum. "
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"Vestibulum cursus nisl ut nulla egestas, quis mattis elit venenatis. Praesent malesuada mi non magna aliquam fringilla eget eu "
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"turpis. Integer suscipit elit vel consectetur vulputate. Integer euismod, erat eget elementum tempus, magna metus consectetur "
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"elit, sed feugiat urna sapien sodales sapien. Sed sit amet varius nunc. Curabitur sodales nunc justo, ac scelerisque ipsum semper "
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"eget. Integer ornare, velit ut hendrerit dapibus, erat mauris commodo justo, vel semper urna justo non mauris. Proin blandit, "
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"enim ut posuere placerat, leo nibh tristique eros, ut pulvinar sapien elit eget enim. Pellentesque et mauris lectus. Curabitur "
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"quis lobortis leo, sit amet egestas dui. Nullam ut sapien eu justo lacinia ultrices. Ut tincidunt, sem non luctus tempus, felis "
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"purus imperdiet nisi, non ultricies libero ipsum eu augue. Mauris at luctus enim.\n"
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"\n"
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"Aliquam sed tortor a justo pulvinar dictum consectetur eu felis. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices "
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"posuere cubilia curae; Etiam vehicula porttitor volutpat. Morbi fringilla tortor nec accumsan aliquet. Aliquam in commodo neque. "
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"Sed laoreet tellus in consectetur aliquet. Nullam nibh eros, feugiat sit amet aliquam non, malesuada vel urna. Ut vel egestas nunc. "
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"Pellentesque vitae ante quis ante pharetra pretium. Nam quis eros commodo, mattis enim sed, finibus ante. Quisque lacinia tortor ut "
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"odio laoreet, vel viverra libero porttitor. Vestibulum vitae dapibus ex. Phasellus varius lorem sed justo sollicitudin faucibus. "
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"Etiam aliquam lacinia consectetur. Phasellus nulla ipsum, viverra non nulla in, rhoncus posuere nunc.\n"
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"\n"
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"Phasellus efficitur commodo tellus, eget lobortis erat porta quis. Aenean condimentum tortor ut neque dapibus, vitae vulputate quam "
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"condimentum. Aliquam elementum vitae nulla vitae tristique. Suspendisse feugiat turpis ac magna dapibus, ut blandit diam tincidunt. "
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"Integer id dui id enim ullamcorper dictum. Maecenas malesuada vitae ex pharetra iaculis. Curabitur eu dolor consectetur, tempus augue "
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"sed, finibus est. Nulla facilisi. Vivamus sed lacinia turpis, in gravida dolor. Aenean interdum consectetur enim a malesuada. Sed turpis "
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"nisi, lacinia et fermentum nec, pharetra id dui. Vivamus neque ligula, iaculis sed tempor eget, vehicula blandit quam. Morbi rhoncus quam "
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"semper magna mollis luctus. Donec eu dolor ut ante ullamcorper porta. Mauris et est tristique libero pharetra faucibus.\n"
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"\n"
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"Duis ut elementum sem. Praesent commodo erat nec sem ultricies sollicitudin. Suspendisse a pellentesque sapien. Nunc ac magna a dui "
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"elementum luctus non a mi. Cras elementum nunc sed nunc gravida, sit amet accumsan tortor pulvinar. Etiam elit arcu, pellentesque non ex "
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"id, vestibulum pellentesque velit. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque habitant morbi tristique senectus "
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"et netus et malesuada fames ac turpis egestas. Proin sit amet velit eget tellus vulputate sagittis eget non massa. Cras accumsan tempor "
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"tortor, quis rutrum neque placerat id. Nullam a egestas eros, eu porta nisi. Aenean rutrum, sapien quis fermentum tempus, dolor orci "
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"faucibus eros, vel luctus justo leo vitae ante. Curabitur aliquam condimentum ipsum sit amet ultrices. Nullam ac velit semper, dapibus urna "
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"sit amet, malesuada enim. Mauris ultricies nibh orci.";
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mg_font create_font(const char* path)
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{
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//NOTE(martin): create font
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str8 fontPath = path_executable_relative(mem_scratch(), STR8(path));
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char* fontPathCString = str8_to_cstring(mem_scratch(), fontPath);
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FILE* fontFile = fopen(fontPathCString, "r");
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if(!fontFile)
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{
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log_error("Could not load font file '%s'\n", fontPathCString);
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return(mg_font_nil());
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}
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unsigned char* fontData = 0;
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fseek(fontFile, 0, SEEK_END);
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u32 fontDataSize = ftell(fontFile);
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rewind(fontFile);
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fontData = (unsigned char*)malloc(fontDataSize);
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fread(fontData, 1, fontDataSize, fontFile);
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fclose(fontFile);
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unicode_range ranges[5] = {UNICODE_RANGE_BASIC_LATIN,
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UNICODE_RANGE_C1_CONTROLS_AND_LATIN_1_SUPPLEMENT,
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UNICODE_RANGE_LATIN_EXTENDED_A,
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UNICODE_RANGE_LATIN_EXTENDED_B,
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UNICODE_RANGE_SPECIALS};
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mg_font font = mg_font_create_from_memory(fontDataSize, fontData, 5, ranges);
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free(fontData);
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return(font);
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}
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enum { FONT_COUNT = 3 };
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int main()
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{
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mp_init();
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mp_clock_init();
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mp_rect rect = {.x = 100, .y = 100, .w = 980, .h = 600};
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mp_window window = mp_window_create(rect, "test", 0);
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mp_rect contentRect = mp_window_get_content_rect(window);
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//NOTE: create surface, canvas and font
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mg_surface surface = mg_surface_create_for_window(window, MG_CANVAS);
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if(mg_surface_is_nil(surface))
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{
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log_error("couldn't create surface\n");
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return(-1);
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}
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mg_surface_swap_interval(surface, 0);
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mg_canvas canvas = mg_canvas_create();
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int fontIndex = 0;
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mg_font fonts[FONT_COUNT] = {create_font("../resources/OpenSansLatinSubset.ttf"),
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create_font("../resources/CMUSerif-Roman.ttf"),
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create_font("../resources/courier.ttf")};
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mg_font_extents extents[FONT_COUNT];
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f32 fontScales[FONT_COUNT];
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f32 lineHeights[FONT_COUNT];
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for(int i=0; i<FONT_COUNT; i++)
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{
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extents[i] = mg_font_get_extents(fonts[i]);
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fontScales[i] = mg_font_get_scale_for_em_pixels(fonts[i], 14);
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lineHeights[i] = fontScales[i]*(extents[i].ascent + extents[i].descent + extents[i].leading);
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}
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int codePointCount = utf8_codepoint_count_for_string(STR8((char*)TEST_STRING));
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u32* codePoints = malloc_array(utf32, codePointCount);
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utf8_to_codepoints(codePointCount, codePoints, STR8((char*)TEST_STRING));
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u32 glyphCount = 0;
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for(int i=0; i<codePointCount; i++)
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{
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if(codePoints[i] != ' ' && codePoints[i] != '\n')
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{
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glyphCount++;
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}
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}
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// start app
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mp_window_bring_to_front(window);
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mp_window_focus(window);
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f64 frameTime = 0;
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bool tracked = false;
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vec2 trackPoint = {0};
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f32 zoom = 1;
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f32 startX = 10;
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f32 startY = 10 + lineHeights[fontIndex];
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mp_input_state inputState = {0};
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while(!mp_should_quit())
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{
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f64 startFrameTime = mp_get_time(MP_CLOCK_MONOTONIC);
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mp_pump_events(0);
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mp_event* event = 0;
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while((event = mp_next_event(mem_scratch())) != 0)
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{
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mp_input_process_event(&inputState, event);
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switch(event->type)
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{
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case MP_EVENT_WINDOW_CLOSE:
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{
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mp_request_quit();
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} break;
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case MP_EVENT_MOUSE_BUTTON:
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{
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if(event->key.code == MP_MOUSE_LEFT)
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{
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if(event->key.action == MP_KEY_PRESS)
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{
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tracked = true;
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vec2 mousePos = mp_mouse_position(&inputState);
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trackPoint.x = mousePos.x/zoom - startX;
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trackPoint.y = mousePos.y/zoom - startY;
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}
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else
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{
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tracked = false;
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}
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}
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} break;
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case MP_EVENT_MOUSE_WHEEL:
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{
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vec2 mousePos = mp_mouse_position(&inputState);
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f32 trackX = mousePos.x/zoom - startX;
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f32 trackY = mousePos.y/zoom - startY;
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zoom *= 1 + event->move.deltaY * 0.01;
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zoom = Clamp(zoom, 0.2, 10);
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startX = mousePos.x/zoom - trackX;
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startY = mousePos.y/zoom - trackY;
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} break;
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case MP_EVENT_KEYBOARD_KEY:
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{
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if(event->key.code == MP_KEY_SPACE && event->key.action == MP_KEY_PRESS)
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{
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fontIndex = (fontIndex+1)%FONT_COUNT;
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}
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} break;
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default:
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break;
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}
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}
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if(tracked)
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{
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vec2 mousePos = mp_mouse_position(&inputState);
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startX = mousePos.x/zoom - trackPoint.x;
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startY = mousePos.y/zoom - trackPoint.y;
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}
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f32 textX = startX;
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f32 textY = startY;
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/*
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mg_set_color_rgba(1, 1, 1, 1);
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mg_clear();
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mg_set_color_rgba(1, 0, 0, 1);
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for(int i=0; i<1000; i++)
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{
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mg_rectangle_fill(0, 0, 100, 100);
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}
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*/
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mg_matrix_push((mg_mat2x3){zoom, 0, 0,
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0, zoom, 0});
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mg_set_color_rgba(1, 1, 1, 1);
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mg_clear();
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mg_set_font(fonts[fontIndex]);
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mg_set_font_size(14);
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mg_set_color_rgba(0, 0, 0, 1);
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mg_move_to(textX, textY);
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int startIndex = 0;
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while(startIndex < codePointCount)
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{
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bool lineBreak = false;
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int subIndex = 0;
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for(; (startIndex+subIndex) < codePointCount && subIndex < 120; subIndex++)
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{
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if(codePoints[startIndex + subIndex] == '\n')
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{
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break;
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}
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}
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u32 glyphs[512];
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mg_font_get_glyph_indices(fonts[fontIndex], (str32){subIndex, codePoints+startIndex}, (str32){512, glyphs});
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mg_glyph_outlines((str32){subIndex, glyphs});
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mg_fill();
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textY += lineHeights[fontIndex];
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mg_move_to(textX, textY);
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startIndex++;
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startIndex += subIndex;
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}
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mg_matrix_pop();
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mg_set_color_rgba(0, 0, 1, 1);
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mg_set_font(fonts[fontIndex]);
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mg_set_font_size(14);
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mg_move_to(10, contentRect.h - 10 - lineHeights[fontIndex]);
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str8 text = str8_pushf(mem_scratch(),
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"Test program: %i glyphs, frame time = %fs, fps = %f",
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glyphCount,
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frameTime,
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1./frameTime);
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mg_text_outlines(text);
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mg_fill();
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f64 startFlushTime = mp_get_time(MP_CLOCK_MONOTONIC);
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mg_surface_prepare(surface);
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mg_render(surface, canvas);
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f64 startPresentTime = mp_get_time(MP_CLOCK_MONOTONIC);
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mg_surface_present(surface);
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f64 endFrameTime = mp_get_time(MP_CLOCK_MONOTONIC);
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frameTime = (endFrameTime - startFrameTime);
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printf("frame time: %.2fms (%.2fFPS), draw = %f.2ms, flush = %.2fms, present = %.2fms\n",
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frameTime*1000,
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1./frameTime,
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(startFlushTime - startFrameTime)*1000,
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(startPresentTime - startFlushTime)*1000,
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(endFrameTime - startPresentTime)*1000);
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mp_input_next_frame(&inputState);
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mem_arena_clear(mem_scratch());
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}
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for(int i=0; i<FONT_COUNT; i++)
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{
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mg_font_destroy(fonts[i]);
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}
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mg_canvas_destroy(canvas);
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mg_surface_destroy(surface);
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mp_window_destroy(window);
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mp_terminate();
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return(0);
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}
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