new file: bin/color
modified: src/color.c new file: src/color.h
This commit is contained in:
Brett Weiland
parent
dd3d885a31
commit
ee39e60edd
110
src/color.c
110
src/color.c
@ -5,19 +5,59 @@
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#include <string.h>
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#include <errno.h>
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#include <math.h>
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#include <signal.h>
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#include "color.h"
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int add_color(color_info color) {
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int add_color(update_info *color, int key) {
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XFreeColors(color->display, color->colormap, &color->background.pixel, 1, 0);
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XFreeColors(color->display, color->colormap, &color->foreground.pixel, 1, 0);
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printf("%i\n", color->channel_step);
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switch(key){
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case X_Q_KEY:
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color->background.red += color->channel_step;
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break;
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case X_W_KEY:
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color->background.green += color->channel_step;
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printf("%i\n", color->background.green);
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break;
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case X_E_KEY:
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color->background.blue += color->channel_step;
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break;
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case X_A_KEY:
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color->background.red -= color->channel_step;
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break;
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case X_S_KEY:
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color->background.green -= color->channel_step;
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break;
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case X_D_KEY:
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color->background.blue -= color->channel_step;
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break;
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default:
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printf("what the actual fuck is wrong with your program you cunt\n");
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break;
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}
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color->foreground.red = 0xffff - color->background.red;
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color->foreground.green = 0xffff - color->background.green;
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color->foreground.blue = 0xffff - color->background.blue;
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XAllocColor(color->display, color->colormap, &color->foreground);
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XAllocColor(color->display, color->colormap, &color->background);
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}
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int redraw_display(update_info *display_summary, XTextItem *text_prompt, GC *gc, unsigned int textpos_y) {
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XClearWindow(display_summary->display, display_summary->window);
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XSetWindowBackground(display_summary->display, display_summary->window, display_summary->background.pixel);
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XSetForeground(display_summary->display, *gc, display_summary->foreground.pixel);
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printf("%i\n", display_summary->foreground.red);
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XDrawText(display_summary->display, display_summary->window, *gc, TEXT_CORNER_OFFSET, textpos_y, text_prompt, 1);
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}
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int main(void) {
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char text_prompt_buffer[PROMPT_BUFSIZE] = "";
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char text_prompt_buffer[PROMPT_BUFSIZE] = "Q/W/E increases R/G/B. A/S/D decreases R/G/B. Enter allows exact value. Press Escape to dismiss.";
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Display *display;
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Window window;
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@ -53,9 +93,9 @@ int main(void) {
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//background colormap
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colormap = DefaultColormap(display, screen);
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background_color.red = 1000;
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background_color.red = 0;
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background_color.green = 0;
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background_color.blue = 60000;
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background_color.blue = 0;
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//text colormap
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foreground_color.red = 0xffff - background_color.red;
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@ -71,7 +111,7 @@ int main(void) {
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window = XCreateSimpleWindow(display, RootWindow(display, screen),
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10, 10,
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100, 100,
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1920, 1080,
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0,
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background_color.pixel,
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background_color.pixel); //last arg is color
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@ -79,7 +119,8 @@ int main(void) {
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XMapWindow(display, window);
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XSelectInput(display, window, KeyPressMask | ExposureMask);
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XGetWindowAttributes(display, window, &win_info);
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color_step = 0xffff / pow(2, (win_info.depth / 3)) ;
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//TODO: this math is techincly one off in very, very specific scenarios
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color_step = 0xffff / pow(2, (win_info.depth / 3)) + 0.5;
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@ -112,18 +153,26 @@ int main(void) {
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XNextEvent(display, &event);
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switch (event.type) {
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case KeyPress:
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printf("%i\n", event.xkey.keycode);
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if(is_prompt) {
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XClearWindow(display, window);
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text_buffer_space = PROMPT_BUFSIZE - text_prompt.nchars;
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if(event.xkey.keycode == X_BACKSPACE) {
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if(text_buffer_space < PROMPT_BUFSIZE) {
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text_prompt.nchars--;
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}
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}
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else if(text_buffer_space > 0) {
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text_prompt.nchars += XLookupString(&event.xkey, text_prompt_buffer + text_prompt.nchars, text_buffer_space, NULL, NULL);
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switch(event.xkey.keycode) {
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case X_BACKSPACE:
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if(text_buffer_space < PROMPT_BUFSIZE) {
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text_prompt.nchars--;
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}
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break;
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case X_ESCAPE_KEY:
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text_prompt.nchars = 0;
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is_prompt = 0;
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break;
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default:
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if(text_buffer_space > 0) {
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text_prompt.nchars += XLookupString(&event.xkey, text_prompt_buffer + text_prompt.nchars, text_buffer_space, NULL, NULL);
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}
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break;
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}
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XDrawText(display, window, text_prompt_gc, TEXT_CORNER_OFFSET, textpos_y, &text_prompt, 1);
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}
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@ -131,31 +180,20 @@ int main(void) {
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switch(event.xkey.keycode) {
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case X_ENTER_KEY:
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break;
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case X_Q_KEY:
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printf("%i\n", channel_step);
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XFreeColors(display, colormap, &background_color.pixel, 1, 0);
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XFreeColors(display, colormap, &foreground_color.pixel, 1, 0);
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background_color.red += channel_step;
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foreground_color.red = 0xffff - background_color.red; //we could just sub channel_step, but eh. i donno.
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printf("----%i\n", background_color.red);
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XAllocColor(display, colormap, &foreground_color);
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XAllocColor(display, colormap, &background_color);
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XClearWindow(display, window);
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XSetWindowBackground(display, window, background_color.pixel);
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break;
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case X_W_KEY:
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break;
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case X_E_KEY:
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break;
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case X_A_KEY:
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break;
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case X_S_KEY:
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break;
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case X_Q_KEY: //if anyone is reading this, on a scale from 1-10,
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case X_W_KEY: //just how ugly is this?
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case X_E_KEY: //I don't know why, but it feels gross.
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case X_A_KEY: //to be fair, most of this code is just for me.
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case X_S_KEY: //otherwise, it'd be way cleaner.
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case X_D_KEY:
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add_color(&display_summary, event.xkey.keycode);
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break;
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case X_ESCAPE_KEY:
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text_prompt.nchars = 0;
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default:
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break;
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}
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redraw_display(&display_summary, &text_prompt, &text_prompt_gc, textpos_y);
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}
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@ -165,7 +203,7 @@ int main(void) {
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case Expose:
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XGetWindowAttributes(display, window, &win_info);
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textpos_y = win_info.height - TEXT_CORNER_OFFSET;
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XDrawText(display, window, text_prompt_gc, TEXT_CORNER_OFFSET, textpos_y, &text_prompt, 1);
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redraw_display(&display_summary, &text_prompt, &text_prompt_gc, textpos_y);
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break;
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default:
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break;
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24
src/color.h
Normal file
24
src/color.h
Normal file
@ -0,0 +1,24 @@
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#define PROMPT_BUFSIZE 256
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#define X_ENTER_KEY 36
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#define X_BACKSPACE 22
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#define X_ESCAPE_KEY 9
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#define X_Q_KEY 24
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#define X_W_KEY 25
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#define X_E_KEY 26
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#define X_A_KEY 38
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#define X_S_KEY 39
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#define X_D_KEY 40
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#define TEXT_CORNER_OFFSET 25
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typedef struct {
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Window window;
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Display *display;
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Colormap colormap;
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XColor background;
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XColor foreground;
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unsigned int channel_step;
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} update_info;
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