211 lines
7.2 KiB
C
211 lines
7.2 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.\n" \
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"Cras urna elit, pellentesque ac ipsum at, lobortis scelerisque eros. Aenean et turpis nibh. Maecenas lectus augue, eleifend\n" \
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"nec efficitur eu, faucibus eget turpis. Suspendisse vel nulla mi. Duis imperdiet neque orci, ac ultrices orci molestie a.\n"
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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\n" \
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"ornare. Nunc pretium ligula sit amet massa pulvinar, vitae imperdiet justo bibendum. Maecenas consectetur elementum mi, sed\n" \
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"vehicula neque pulvinar sit amet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc tortor erat, accumsan in laoreet\n" \
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"quis, placerat nec enim. Nulla facilisi. Morbi vitae nibh ligula. Suspendisse in molestie magna, eget aliquet mauris. Sed \n" \
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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\n" \
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"amet. Nullam tincidunt nisl nec dui dignissim mattis. Proin fermentum ornare ipsum. Proin eleifend, mi vitae porttitor placerat,\n" \
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"neque magna elementum turpis, eu aliquet mi urna et leo. Pellentesque interdum est mauris, sed pellentesque risus blandit in.\n" \
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"Phasellus dignissim consequat eros, at aliquam elit finibus posuere. Proin suscipit tortor leo, id vulputate odio lobortis in.\n" \
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"Vestibulum et orci ligula. Sed scelerisque nunc non nisi aliquam, vel eleifend felis suscipit. Integer posuere sapien elit, \n" \
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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.\n" \
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"Vestibulum cursus nisl ut nulla egestas, quis mattis elit venenatis. Praesent malesuada mi non magna aliquam fringilla eget eu\n" \
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"turpis. Integer suscipit elit vel consectetur vulputate. Integer euismod, erat eget elementum tempus, magna metus consectetur\n" \
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"elit, sed feugiat urna sapien sodales sapien. Sed sit amet varius nunc. Curabitur sodales nunc justo, ac scelerisque ipsum semper\n" \
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"eget. Integer ornare, velit ut hendrerit dapibus, erat mauris commodo justo, vel semper urna justo non mauris. Proin blandit,\n" \
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"enim ut posuere placerat, leo nibh tristique eros, ut pulvinar sapien elit eget enim. Pellentesque et mauris lectus. Curabitur\n" \
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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\n" \
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"purus imperdiet nisi, non ultricies libero ipsum eu augue. Mauris at luctus enim.";
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mg_font create_font()
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{
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//NOTE(martin): create font
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/* str8 fontPath = mp_app_get_resource_path(mem_scratch(), "../resources/OpenSansLatinSubset.ttf");
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char* fontPathCString = str8_to_cstring(mem_scratch(), fontPath);
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*/
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char* fontPathCString = "resources/OpenSansLatinSubset.ttf";
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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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int main()
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{
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LogLevel(LOG_LEVEL_MESSAGE);
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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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//NOTE: create surface, canvas and font
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#if defined(OS_MACOS)
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mg_surface surface = mg_metal_surface_create_for_window(window);
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#elif defined(OS_WIN64)
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mg_surface surface = mg_gl_surface_create_for_window(window);
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#else
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#error "unsupported OS"
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#endif
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mg_canvas canvas = mg_canvas_create(surface);
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mg_font font = create_font();
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mg_font_extents extents = mg_font_get_extents(font);
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f32 fontScale = mg_font_get_scale_for_em_pixels(font, 12);
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f32 lineHeight = fontScale*(extents.ascent + extents.descent + extents.leading);
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int codePointCount = utf8_codepoint_count_for_string(str8_from_cstring((char*)TEST_STRING));
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u32* codePoints = malloc_array(utf32, codePointCount);
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utf8_to_codepoints(codePointCount, codePoints, str8_from_cstring((char*)TEST_STRING));
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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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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(mp_next_event(&event))
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{
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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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default:
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break;
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}
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}
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f32 textX = 10;
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f32 textY = 600 - lineHeight;
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mg_surface_prepare(surface);
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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(font);
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mg_set_font_size(12);
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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 < 512; subIndex++)
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{
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if(codePoints[startIndex + subIndex] == '\n')
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{
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lineBreak = true;
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break;
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}
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}
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ASSERT(subIndex < 512 && (startIndex+subIndex)<=codePointCount);
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u32 glyphs[512];
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mg_font_get_glyph_indices(font, (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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if(lineBreak)
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{
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textY -= lineHeight;
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mg_move_to(textX, textY);
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startIndex++;
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}
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startIndex += subIndex;
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}
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f64 startFlushTime = mp_get_time(MP_CLOCK_MONOTONIC);
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mg_set_color_rgba(0, 0, 1, 1);
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mg_set_font(font);
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mg_set_font_size(12);
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mg_move_to(50, 50);
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str8 text = str8_pushf(mem_scratch(),
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"Milepost vector graphics test program (frame time = %fs, fps = %f)...",
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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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mg_flush();
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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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mem_arena_clear(mem_scratch());
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}
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mp_terminate();
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return(0);
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}
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