Updating changes up to Draw Pixel Function

This commit is contained in:
2025-03-01 17:21:14 -06:00
parent a87a025a38
commit c5d20798f5
8 changed files with 127 additions and 319 deletions

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src/.display.c.swp Normal file

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src/display.c Normal file
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@@ -0,0 +1,100 @@
#include "display.h"
SDL_Window* window = NULL;
SDL_Renderer* renderer = NULL;
// Also known as frame buffer in other books, pointer to an array of color_buffer
uint32_t* color_buffer = NULL;
SDL_Texture* color_buffer_texture = NULL;
int window_width = 800;
int window_height = 600;
bool initialize_window(void) {
if (SDL_Init(SDL_INIT_EVERYTHING) != 0) {
fprintf(stderr, "Error initializing SDL.\n");
return false;
}
// Use SDL to query what is the fullscreen max. width and height
SDL_DisplayMode display_mode;
SDL_GetCurrentDisplayMode(0, &display_mode);
window_width = display_mode.w;
window_height = display_mode.h;
// Create a SDL window
window = SDL_CreateWindow(
NULL,
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
window_width,
window_height,
SDL_WINDOW_BORDERLESS
);
if (!window) {
fprintf(stderr, "Error creating SDL window.\n");
return false;
}
// Create a SDL renderer
renderer = SDL_CreateRenderer(window, -1, 0);
if (!renderer) {
fprintf(stderr, "Error creating SDL error.\n");
return false;
}
SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN);
return true;
}
void render_color_buffer(void){
SDL_UpdateTexture(
color_buffer_texture,
NULL,
color_buffer,
(int)(window_width * sizeof(uint32_t))
);
SDL_RenderCopy(renderer, color_buffer_texture, NULL, NULL);
}
void clear_color_buffer(uint32_t color){
for (int y = 0; y < window_height; y++){
for (int x = 0; x < window_width; x++){
color_buffer[(window_width * y) + x] = color;
}
}
}
void draw_rect(int x, int y, int width, int height, uint32_t color){
for (int j = x; j <= x + width; j++){
for (int k = y; k <= y + height; k++){
color_buffer[(window_width * j) + k] = color;
}
}
}
void draw_pixel(int x, int y, uint32_t color){
if (x < window_width && y < window_height){
color_buffer[(window_width * y) + x] = color;
}
}
void draw_grid(void){
for (int y = 0; y < window_height; y += 10){
for (int x = 0; x < window_width; x += 10){
color_buffer[(window_width * y) + x ] = 0xFF133343;
}
}
}
void destroy_window(void){
free(color_buffer);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
}

24
src/display.h Normal file
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@@ -0,0 +1,24 @@
#ifndef DISPLAY_H
#define DISPLAY_H
#include <stdint.h>
#include <stdbool.h>
#include <SDL2/SDL.h>
extern SDL_Window* window;
extern SDL_Renderer* renderer;
extern uint32_t* color_buffer;
extern SDL_Texture* color_buffer_texture;
extern int window_width;
extern int window_height;
bool initialize_window(void);
void draw_pixel(int x, int y, uint32_t color);
void draw_rect(int x, int y, int width, int height, uint32_t color);
void draw_grid(void);
void render_color_buffer(void);
void clear_color_buffer(uint32_t color);
void destroy_window(void);
#endif

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@@ -1,66 +1,10 @@
#include <stdio.h>
#include <stdint.h>
#include <stdbool.h>
#include <SDL2/SDL.h>
#include "display.h"
bool is_running = false;
SDL_Window* window = NULL;
SDL_Renderer* renderer = NULL;
// Also known as frame buffer in other books, pointer to an array of color_buffer
uint32_t* color_buffer = NULL;
SDL_Texture* color_buffer_texture = NULL;
int window_width = 800;
int window_height = 600;
bool initialize_window(void) {
if (SDL_Init(SDL_INIT_EVERYTHING) != 0) {
fprintf(stderr, "Error initializing SDL.\n");
return false;
}
// Use SDL to query what is the fullscreen max. width and height
SDL_DisplayMode display_mode;
SDL_GetCurrentDisplayMode(0, &display_mode);
window_width = display_mode.w;
window_height = display_mode.h;
// Create a SDL window
window = SDL_CreateWindow(
NULL,
SDL_WINDOWPOS_CENTERED,
SDL_WINDOWPOS_CENTERED,
window_width,
window_height,
SDL_WINDOW_BORDERLESS
);
if (!window) {
fprintf(stderr, "Error creating SDL window.\n");
return false;
}
// Create a SDL renderer
renderer = SDL_CreateRenderer(window, -1, 0);
if (!renderer) {
fprintf(stderr, "Error creating SDL error.\n");
return false;
}
SDL_SetWindowFullscreen(window, SDL_WINDOW_FULLSCREEN);
return true;
}
// SDL_RenderDrawLine(&render_grid, 100, 100, 300, 300);
void setup(void){
// Allocates the memory in bytes required to hold for color_buffer, using sizeof to allocate the # of bytes required
color_buffer = (uint32_t*) malloc(sizeof(uint32_t) * window_width * window_height);
@@ -93,60 +37,20 @@ void update(void){
//TODO
}
void render_color_buffer(void){
SDL_UpdateTexture(
color_buffer_texture,
NULL,
color_buffer,
(int)(window_width * sizeof(uint32_t))
);
SDL_RenderCopy(renderer, color_buffer_texture, NULL, NULL);
}
void clear_color_buffer(uint32_t color){
for (int y = 0; y < window_height; y++){
for (int x = 0; x < window_width; x++){
color_buffer[(window_width * y) + x] = color;
}
}
}
void draw_rect(int x, int y, int width, int height, uint32_t color){
for (int j = x; j <= x + width; j ++){
for (int k = y; k <= y + height; k ++){
color_buffer[(window_width * j) + k] = color;
}
}
}
void draw_grid(void){
for (int y = 0; y < window_height; y += 10){
for (int x = 0; x < window_width; x += 10){
color_buffer[(window_width * y) + x ] = 0xFF133343;
}
}
}
void render(void){
SDL_SetRenderDrawColor(renderer, 255, 0, 0, 255);
SDL_RenderClear(renderer);
draw_grid();
draw_rect(100, 200, 200, 400, 0xFF998500);
draw_pixel(20, 20, 0xFFFFFF00);
//draw_rect(100, 200, 200, 400, 0xFF998500);
render_color_buffer();
clear_color_buffer(0xFF000000);
SDL_RenderPresent(renderer);
}
void destroy_window(void){
free(color_buffer);
SDL_DestroyRenderer(renderer);
SDL_DestroyWindow(window);
SDL_Quit();
}
int main(void) {
is_running = initialize_window();

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@@ -1,220 +0,0 @@
# This file is NOT licensed under the GPLv3, which is the license for the rest
# of YouCompleteMe.
#
# Here's the license text for this file:
#
# This is free and unencumbered software released into the public domain.
#
# Anyone is free to copy, modify, publish, use, compile, sell, or
# distribute this software, either in source code form or as a compiled
# binary, for any purpose, commercial or non-commercial, and by any
# means.
#
# In jurisdictions that recognize copyright laws, the author or authors
# of this software dedicate any and all copyright interest in the
# software to the public domain. We make this dedication for the benefit
# of the public at large and to the detriment of our heirs and
# successors. We intend this dedication to be an overt act of
# relinquishment in perpetuity of all present and future rights to this
# software under copyright law.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
# OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
# ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
# OTHER DEALINGS IN THE SOFTWARE.
#
# For more information, please refer to <http://unlicense.org/>
from sysconfig import get_path
import platform
import os.path as p
import subprocess
DIR_OF_THIS_SCRIPT = p.abspath( p.dirname( __file__ ) )
DIR_OF_THIRD_PARTY = p.join( DIR_OF_THIS_SCRIPT, 'third_party' )
DIR_OF_WATCHDOG_DEPS = p.join( DIR_OF_THIRD_PARTY, 'watchdog_deps' )
SOURCE_EXTENSIONS = [ '.cpp', '.cxx', '.cc', '.c', '.m', '.mm' ]
database = None
# These are the compilation flags that will be used in case there's no
# compilation database set (by default, one is not set).
# CHANGE THIS LIST OF FLAGS. YES, THIS IS THE DROID YOU HAVE BEEN LOOKING FOR.
flags = [
'-Wall',
'-Wextra',
'-Werror',
'-Wno-long-long',
'-Wno-variadic-macros',
'-fexceptions',
'-DNDEBUG',
# You 100% do NOT need -DUSE_CLANG_COMPLETER and/or -DYCM_EXPORT in your flags;
# only the YCM source code needs it.
'-DUSE_CLANG_COMPLETER',
'-DYCM_EXPORT=',
'-DYCM_ABSEIL_SUPPORTED',
# THIS IS IMPORTANT! Without the '-x' flag, Clang won't know which language to
# use when compiling headers. So it will guess. Badly. So C++ headers will be
# compiled as C headers. You don't want that so ALWAYS specify the '-x' flag.
# For a C project, you would set this to 'c' instead of 'c++'.
'-x',
'c++',
'-isystem',
'cpp/absl',
'-isystem',
'cpp/pybind11',
'-isystem',
'cpp/whereami',
'-isystem',
'cpp/BoostParts',
'-isystem',
get_path( 'include' ),
'-isystem',
'cpp/llvm/include',
'-isystem',
'cpp/llvm/tools/clang/include',
'-I',
'cpp/ycm',
'-I',
'cpp/ycm/ClangCompleter',
'-isystem',
'cpp/ycm/tests/gmock/googlemock/include',
'-isystem',
'cpp/ycm/tests/gmock/googletest/include',
'-isystem',
'cpp/ycm/benchmarks/benchmark/include',
'-std=c++17',
]
# Set this to the absolute path to the folder (NOT the file!) containing the
# compile_commands.json file to use that instead of 'flags'. See here for
# more details: http://clang.llvm.org/docs/JSONCompilationDatabase.html
#
# You can get CMake to generate this file for you by adding:
# set( CMAKE_EXPORT_COMPILE_COMMANDS 1 )
# to your CMakeLists.txt file.
#
# Most projects will NOT need to set this to anything; you can just change the
# 'flags' list of compilation flags. Notice that YCM itself uses that approach.
compilation_database_folder = ''
def IsHeaderFile( filename ):
extension = p.splitext( filename )[ 1 ]
return extension in [ '.h', '.hxx', '.hpp', '.hh' ]
def FindCorrespondingSourceFile( filename ):
if IsHeaderFile( filename ):
basename = p.splitext( filename )[ 0 ]
for extension in SOURCE_EXTENSIONS:
replacement_file = basename + extension
if p.exists( replacement_file ):
return replacement_file
return filename
def PathToPythonUsedDuringBuild():
try:
filepath = p.join( DIR_OF_THIS_SCRIPT, 'PYTHON_USED_DURING_BUILDING' )
with open( filepath ) as f:
return f.read().strip()
except OSError:
return None
def Settings( **kwargs ):
# Do NOT import ycm_core at module scope.
import ycm_core
global database
if database is None and p.exists( compilation_database_folder ):
database = ycm_core.CompilationDatabase( compilation_database_folder )
language = kwargs[ 'language' ]
if language == 'cfamily':
# If the file is a header, try to find the corresponding source file and
# retrieve its flags from the compilation database if using one. This is
# necessary since compilation databases don't have entries for header files.
# In addition, use this source file as the translation unit. This makes it
# possible to jump from a declaration in the header file to its definition
# in the corresponding source file.
filename = FindCorrespondingSourceFile( kwargs[ 'filename' ] )
if not database:
return {
'flags': flags,
'include_paths_relative_to_dir': DIR_OF_THIS_SCRIPT,
'override_filename': filename
}
compilation_info = database.GetCompilationInfoForFile( filename )
if not compilation_info.compiler_flags_:
return {}
# Bear in mind that compilation_info.compiler_flags_ does NOT return a
# python list, but a "list-like" StringVec object.
final_flags = list( compilation_info.compiler_flags_ )
# NOTE: This is just for YouCompleteMe; it's highly likely that your project
# does NOT need to remove the stdlib flag. DO NOT USE THIS IN YOUR
# ycm_extra_conf IF YOU'RE NOT 100% SURE YOU NEED IT.
try:
final_flags.remove( '-stdlib=libc++' )
except ValueError:
pass
return {
'flags': final_flags,
'include_paths_relative_to_dir': compilation_info.compiler_working_dir_,
'override_filename': filename
}
if language == 'python':
return {
'interpreter_path': PathToPythonUsedDuringBuild(),
'ls': {
'python': {
'analysis': {
'extraPaths': [
p.join( DIR_OF_THIS_SCRIPT ),
p.join( DIR_OF_THIRD_PARTY, 'bottle' ),
p.join( DIR_OF_THIRD_PARTY, 'regex-build' ),
p.join( DIR_OF_THIRD_PARTY, 'frozendict' ),
p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'jedi' ),
p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'parso' ),
p.join( DIR_OF_WATCHDOG_DEPS, 'watchdog', 'build', 'lib3' ),
p.join( DIR_OF_WATCHDOG_DEPS, 'pathtools' ),
p.join( DIR_OF_THIRD_PARTY, 'waitress' )
],
'useLibraryCodeForTypes': True
}
}
}
}
return {}
def PythonSysPath( **kwargs ):
sys_path = kwargs[ 'sys_path' ]
sys_path[ 0:0 ] = [ p.join( DIR_OF_THIS_SCRIPT ),
p.join( DIR_OF_THIRD_PARTY, 'bottle' ),
p.join( DIR_OF_THIRD_PARTY, 'regex-build' ),
p.join( DIR_OF_THIRD_PARTY, 'frozendict' ),
p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'jedi' ),
p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'parso' ),
p.join( DIR_OF_WATCHDOG_DEPS,
'watchdog',
'build',
'lib3' ),
p.join( DIR_OF_WATCHDOG_DEPS, 'pathtools' ),
p.join( DIR_OF_THIRD_PARTY, 'waitress' ) ]
sys_path.append( p.join( DIR_OF_THIRD_PARTY, 'jedi_deps', 'numpydoc' ) )
return sys_path