342 lines
14 KiB
C
342 lines
14 KiB
C
/*************************************************************************
|
|
*
|
|
* Orca
|
|
* Copyright 2023 Martin Fouilleul and the Orca project contributors
|
|
* See LICENSE.txt for licensing information
|
|
*
|
|
**************************************************************************/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
|
|
#include "orca.h"
|
|
|
|
static const char* TEST_STRING =
|
|
"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nulla quam enim, aliquam in placerat luctus, rutrum in quam. "
|
|
"Cras urna elit, pellentesque ac ipsum at, lobortis scelerisque eros. Aenean et turpis nibh. Maecenas lectus augue, eleifend "
|
|
"nec efficitur eu, faucibus eget turpis. Suspendisse vel nulla mi. Duis imperdiet neque orci, ac ultrices orci molestie a. "
|
|
"Etiam malesuada vulputate hendrerit. Cras ultricies diam in lectus finibus, eu laoreet diam rutrum.\n"
|
|
"\n"
|
|
"Etiam dictum orci arcu, ac fermentum leo dapibus lacinia. Integer vitae elementum ex. Vestibulum tempor nunc eu hendrerit "
|
|
"ornare. Nunc pretium ligula sit amet massa pulvinar, vitae imperdiet justo bibendum. Maecenas consectetur elementum mi, sed "
|
|
"vehicula neque pulvinar sit amet. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Nunc tortor erat, accumsan in laoreet "
|
|
"quis, placerat nec enim. Nulla facilisi. Morbi vitae nibh ligula. Suspendisse in molestie magna, eget aliquet mauris. Sed "
|
|
"aliquam faucibus magna.\n"
|
|
"\n"
|
|
"Sed metus odio, imperdiet et consequat non, faucibus nec risus. Suspendisse facilisis sem neque, id scelerisque dui mattis sit "
|
|
"amet. Nullam tincidunt nisl nec dui dignissim mattis. Proin fermentum ornare ipsum. Proin eleifend, mi vitae porttitor placerat, "
|
|
"neque magna elementum turpis, eu aliquet mi urna et leo. Pellentesque interdum est mauris, sed pellentesque risus blandit in. "
|
|
"Phasellus dignissim consequat eros, at aliquam elit finibus posuere. Proin suscipit tortor leo, id vulputate odio lobortis in. "
|
|
"Vestibulum et orci ligula. Sed scelerisque nunc non nisi aliquam, vel eleifend felis suscipit. Integer posuere sapien elit, "
|
|
"lacinia ultricies nibh sodales nec.\n"
|
|
"\n"
|
|
"Etiam aliquam purus sit amet purus ultricies tristique. Nunc maximus nunc quis magna ornare, vel interdum urna fermentum. "
|
|
"Vestibulum cursus nisl ut nulla egestas, quis mattis elit venenatis. Praesent malesuada mi non magna aliquam fringilla eget eu "
|
|
"turpis. Integer suscipit elit vel consectetur vulputate. Integer euismod, erat eget elementum tempus, magna metus consectetur "
|
|
"elit, sed feugiat urna sapien sodales sapien. Sed sit amet varius nunc. Curabitur sodales nunc justo, ac scelerisque ipsum semper "
|
|
"eget. Integer ornare, velit ut hendrerit dapibus, erat mauris commodo justo, vel semper urna justo non mauris. Proin blandit, "
|
|
"enim ut posuere placerat, leo nibh tristique eros, ut pulvinar sapien elit eget enim. Pellentesque et mauris lectus. Curabitur "
|
|
"quis lobortis leo, sit amet egestas dui. Nullam ut sapien eu justo lacinia ultrices. Ut tincidunt, sem non luctus tempus, felis "
|
|
"purus imperdiet nisi, non ultricies libero ipsum eu augue. Mauris at luctus enim.\n"
|
|
"\n"
|
|
"Aliquam sed tortor a justo pulvinar dictum consectetur eu felis. Vestibulum ante ipsum primis in faucibus orci luctus et ultrices "
|
|
"posuere cubilia curae; Etiam vehicula porttitor volutpat. Morbi fringilla tortor nec accumsan aliquet. Aliquam in commodo neque. "
|
|
"Sed laoreet tellus in consectetur aliquet. Nullam nibh eros, feugiat sit amet aliquam non, malesuada vel urna. Ut vel egestas nunc. "
|
|
"Pellentesque vitae ante quis ante pharetra pretium. Nam quis eros commodo, mattis enim sed, finibus ante. Quisque lacinia tortor ut "
|
|
"odio laoreet, vel viverra libero porttitor. Vestibulum vitae dapibus ex. Phasellus varius lorem sed justo sollicitudin faucibus. "
|
|
"Etiam aliquam lacinia consectetur. Phasellus nulla ipsum, viverra non nulla in, rhoncus posuere nunc.\n"
|
|
"\n"
|
|
"Phasellus efficitur commodo tellus, eget lobortis erat porta quis. Aenean condimentum tortor ut neque dapibus, vitae vulputate quam "
|
|
"condimentum. Aliquam elementum vitae nulla vitae tristique. Suspendisse feugiat turpis ac magna dapibus, ut blandit diam tincidunt. "
|
|
"Integer id dui id enim ullamcorper dictum. Maecenas malesuada vitae ex pharetra iaculis. Curabitur eu dolor consectetur, tempus augue "
|
|
"sed, finibus est. Nulla facilisi. Vivamus sed lacinia turpis, in gravida dolor. Aenean interdum consectetur enim a malesuada. Sed turpis "
|
|
"nisi, lacinia et fermentum nec, pharetra id dui. Vivamus neque ligula, iaculis sed tempor eget, vehicula blandit quam. Morbi rhoncus quam "
|
|
"semper magna mollis luctus. Donec eu dolor ut ante ullamcorper porta. Mauris et est tristique libero pharetra faucibus.\n"
|
|
"\n"
|
|
"Duis ut elementum sem. Praesent commodo erat nec sem ultricies sollicitudin. Suspendisse a pellentesque sapien. Nunc ac magna a dui "
|
|
"elementum luctus non a mi. Cras elementum nunc sed nunc gravida, sit amet accumsan tortor pulvinar. Etiam elit arcu, pellentesque non ex "
|
|
"id, vestibulum pellentesque velit. Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque habitant morbi tristique senectus "
|
|
"et netus et malesuada fames ac turpis egestas. Proin sit amet velit eget tellus vulputate sagittis eget non massa. Cras accumsan tempor "
|
|
"tortor, quis rutrum neque placerat id. Nullam a egestas eros, eu porta nisi. Aenean rutrum, sapien quis fermentum tempus, dolor orci "
|
|
"faucibus eros, vel luctus justo leo vitae ante. Curabitur aliquam condimentum ipsum sit amet ultrices. Nullam ac velit semper, dapibus urna "
|
|
"sit amet, malesuada enim. Mauris ultricies nibh orci.";
|
|
|
|
oc_font create_font(const char* path)
|
|
{
|
|
//NOTE(martin): create font
|
|
oc_arena_scope scratch = oc_scratch_begin();
|
|
oc_str8 fontPath = oc_path_executable_relative(scratch.arena, OC_STR8(path));
|
|
char* fontPathCString = oc_str8_to_cstring(scratch.arena, fontPath);
|
|
|
|
FILE* fontFile = fopen(fontPathCString, "r");
|
|
if(!fontFile)
|
|
{
|
|
oc_log_error("Could not load font file '%s'\n", fontPathCString);
|
|
oc_scratch_end(scratch);
|
|
return (oc_font_nil());
|
|
}
|
|
unsigned char* fontData = 0;
|
|
fseek(fontFile, 0, SEEK_END);
|
|
u32 fontDataSize = ftell(fontFile);
|
|
rewind(fontFile);
|
|
fontData = (unsigned char*)malloc(fontDataSize);
|
|
fread(fontData, 1, fontDataSize, fontFile);
|
|
fclose(fontFile);
|
|
|
|
oc_unicode_range ranges[5] = { OC_UNICODE_BASIC_LATIN,
|
|
OC_UNICODE_C1_CONTROLS_AND_LATIN_1_SUPPLEMENT,
|
|
OC_UNICODE_LATIN_EXTENDED_A,
|
|
OC_UNICODE_LATIN_EXTENDED_B,
|
|
OC_UNICODE_SPECIALS };
|
|
|
|
oc_font font = oc_font_create_from_memory(oc_str8_from_buffer(fontDataSize, (char*)fontData), 5, ranges);
|
|
free(fontData);
|
|
oc_scratch_end(scratch);
|
|
return (font);
|
|
}
|
|
|
|
enum
|
|
{
|
|
FONT_COUNT = 3
|
|
};
|
|
|
|
int main()
|
|
{
|
|
oc_init();
|
|
oc_clock_init();
|
|
|
|
oc_rect rect = { .x = 100, .y = 100, .w = 980, .h = 600 };
|
|
oc_window window = oc_window_create(rect, OC_STR8("test"), 0);
|
|
|
|
oc_rect contentRect = oc_window_get_content_rect(window);
|
|
|
|
//NOTE: create surface, canvas and font
|
|
|
|
oc_surface surface = oc_surface_create_for_window(window, OC_CANVAS);
|
|
if(oc_surface_is_nil(surface))
|
|
{
|
|
oc_log_error("couldn't create surface\n");
|
|
return (-1);
|
|
}
|
|
oc_surface_swap_interval(surface, 0);
|
|
|
|
oc_canvas canvas = oc_canvas_create();
|
|
|
|
int fontIndex = 0;
|
|
oc_font fonts[FONT_COUNT] = { create_font("../../resources/OpenSansLatinSubset.ttf"),
|
|
create_font("../../resources/CMUSerif-Roman.ttf"),
|
|
create_font("../../resources/Courier.ttf") };
|
|
|
|
oc_font_metrics extents[FONT_COUNT];
|
|
f32 fontScales[FONT_COUNT];
|
|
f32 lineHeights[FONT_COUNT];
|
|
|
|
for(int i = 0; i < FONT_COUNT; i++)
|
|
{
|
|
extents[i] = oc_font_get_metrics_unscaled(fonts[i]);
|
|
fontScales[i] = oc_font_get_scale_for_em_pixels(fonts[i], 14);
|
|
lineHeights[i] = fontScales[i] * (extents[i].ascent + extents[i].descent + extents[i].lineGap);
|
|
}
|
|
|
|
int codePointCount = oc_utf8_codepoint_count_for_string(OC_STR8((char*)TEST_STRING));
|
|
u32* codePoints = oc_malloc_array(oc_utf32, codePointCount);
|
|
oc_utf8_to_codepoints(codePointCount, codePoints, OC_STR8((char*)TEST_STRING));
|
|
|
|
u32 glyphCount = 0;
|
|
for(int i = 0; i < codePointCount; i++)
|
|
{
|
|
if(codePoints[i] != ' ' && codePoints[i] != '\n')
|
|
{
|
|
glyphCount++;
|
|
}
|
|
}
|
|
|
|
// start app
|
|
oc_window_bring_to_front(window);
|
|
oc_window_focus(window);
|
|
|
|
f64 frameTime = 0;
|
|
|
|
bool tracked = false;
|
|
oc_vec2 trackPoint = { 0 };
|
|
f32 zoom = 1;
|
|
|
|
f32 startX = 10;
|
|
f32 startY = 10 + lineHeights[fontIndex];
|
|
|
|
oc_input_state inputState = { 0 };
|
|
|
|
while(!oc_should_quit())
|
|
{
|
|
f64 startFrameTime = oc_clock_time(OC_CLOCK_MONOTONIC);
|
|
oc_arena_scope scratch = oc_scratch_begin();
|
|
|
|
oc_pump_events(0);
|
|
oc_event* event = 0;
|
|
while((event = oc_next_event(scratch.arena)) != 0)
|
|
{
|
|
oc_input_process_event(&inputState, scratch.arena, event);
|
|
|
|
switch(event->type)
|
|
{
|
|
case OC_EVENT_WINDOW_CLOSE:
|
|
{
|
|
oc_request_quit();
|
|
}
|
|
break;
|
|
|
|
case OC_EVENT_MOUSE_BUTTON:
|
|
{
|
|
if(event->key.keyCode == OC_MOUSE_LEFT)
|
|
{
|
|
if(event->key.action == OC_KEY_PRESS)
|
|
{
|
|
tracked = true;
|
|
oc_vec2 mousePos = oc_mouse_position(&inputState);
|
|
trackPoint.x = mousePos.x / zoom - startX;
|
|
trackPoint.y = mousePos.y / zoom - startY;
|
|
}
|
|
else
|
|
{
|
|
tracked = false;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
case OC_EVENT_MOUSE_WHEEL:
|
|
{
|
|
oc_vec2 mousePos = oc_mouse_position(&inputState);
|
|
f32 trackX = mousePos.x / zoom - startX;
|
|
f32 trackY = mousePos.y / zoom - startY;
|
|
|
|
zoom *= 1 + event->mouse.deltaY * 0.01;
|
|
zoom = oc_clamp(zoom, 0.2, 10);
|
|
|
|
startX = mousePos.x / zoom - trackX;
|
|
startY = mousePos.y / zoom - trackY;
|
|
}
|
|
break;
|
|
|
|
case OC_EVENT_KEYBOARD_KEY:
|
|
{
|
|
if(event->key.keyCode == OC_KEY_SPACE && event->key.action == OC_KEY_PRESS)
|
|
{
|
|
fontIndex = (fontIndex + 1) % FONT_COUNT;
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if(tracked)
|
|
{
|
|
oc_vec2 mousePos = oc_mouse_position(&inputState);
|
|
startX = mousePos.x / zoom - trackPoint.x;
|
|
startY = mousePos.y / zoom - trackPoint.y;
|
|
}
|
|
|
|
f32 textX = startX;
|
|
f32 textY = startY;
|
|
|
|
/*
|
|
oc_set_color_rgba(1, 1, 1, 1);
|
|
oc_clear();
|
|
oc_set_color_rgba(1, 0, 0, 1);
|
|
for(int i=0; i<1000; i++)
|
|
{
|
|
oc_rectangle_fill(0, 0, 100, 100);
|
|
}
|
|
*/
|
|
|
|
oc_matrix_multiply_push((oc_mat2x3){ zoom, 0, 0,
|
|
0, zoom, 0 });
|
|
|
|
oc_set_color_rgba(1, 1, 1, 1);
|
|
oc_clear();
|
|
|
|
oc_set_font(fonts[fontIndex]);
|
|
oc_set_font_size(14);
|
|
oc_set_color_rgba(0, 0, 0, 1);
|
|
|
|
oc_move_to(textX, textY);
|
|
|
|
int startIndex = 0;
|
|
while(startIndex < codePointCount)
|
|
{
|
|
bool lineBreak = false;
|
|
int subIndex = 0;
|
|
for(; (startIndex + subIndex) < codePointCount && subIndex < 120; subIndex++)
|
|
{
|
|
if(codePoints[startIndex + subIndex] == '\n')
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
|
|
u32 glyphs[512];
|
|
oc_font_get_glyph_indices(fonts[fontIndex], oc_str32_from_buffer(subIndex, codePoints + startIndex), oc_str32_from_buffer(512, glyphs));
|
|
|
|
oc_glyph_outlines(oc_str32_from_buffer(subIndex, glyphs));
|
|
oc_fill();
|
|
|
|
textY += lineHeights[fontIndex];
|
|
oc_move_to(textX, textY);
|
|
startIndex++;
|
|
|
|
startIndex += subIndex;
|
|
}
|
|
|
|
oc_matrix_pop();
|
|
|
|
oc_set_color_rgba(0, 0, 1, 1);
|
|
oc_set_font(fonts[fontIndex]);
|
|
oc_set_font_size(14);
|
|
oc_move_to(10, contentRect.h - 10 - lineHeights[fontIndex]);
|
|
|
|
oc_str8 text = oc_str8_pushf(scratch.arena,
|
|
"Test program: %i glyphs, frame time = %fs, fps = %f",
|
|
glyphCount,
|
|
frameTime,
|
|
1. / frameTime);
|
|
oc_text_outlines(text);
|
|
oc_fill();
|
|
|
|
f64 startFlushTime = oc_clock_time(OC_CLOCK_MONOTONIC);
|
|
|
|
oc_surface_select(surface);
|
|
oc_render(canvas);
|
|
|
|
f64 startPresentTime = oc_clock_time(OC_CLOCK_MONOTONIC);
|
|
oc_surface_present(surface);
|
|
|
|
f64 endFrameTime = oc_clock_time(OC_CLOCK_MONOTONIC);
|
|
|
|
frameTime = (endFrameTime - startFrameTime);
|
|
|
|
printf("frame time: %.2fms (%.2fFPS), draw = %f.2ms, flush = %.2fms, present = %.2fms\n",
|
|
frameTime * 1000,
|
|
1. / frameTime,
|
|
(startFlushTime - startFrameTime) * 1000,
|
|
(startPresentTime - startFlushTime) * 1000,
|
|
(endFrameTime - startPresentTime) * 1000);
|
|
|
|
oc_input_next_frame(&inputState);
|
|
oc_scratch_end(scratch);
|
|
}
|
|
|
|
for(int i = 0; i < FONT_COUNT; i++)
|
|
{
|
|
oc_font_destroy(fonts[i]);
|
|
}
|
|
oc_canvas_destroy(canvas);
|
|
oc_surface_destroy(surface);
|
|
oc_window_destroy(window);
|
|
oc_terminate();
|
|
|
|
return (0);
|
|
}
|