colourpicker

Commit: d7811a9b010ea484dd651abb0fe97a33110e5047
Parent: b6ea33ae2b79f2516877ef74ea7bafd85f0b36ee
Author: Randy Palamar
Date:   Wed, 31 Jul 2024 19:51:20 -0600

generate static includes for needed runtime files

Diffstat:
M
.gitignore
 | 
8
++++++--
M
build.sh
 | 
7
+++++++
M
colourpicker.c
 | 
7
+++++--
A
config.def.h
 | 
3
+++
A
gen_incs.c
 | 
53
+++++++++++++++++++++++++++++++++++++++++++++++++++++
R
picker_shader.glsl -> hsv_lerp.glsl
 | 
0

M
main.c
 | 
4
++--
M
util.c
 | 
4
++++

8 files changed, 80 insertions(+), 6 deletions(-)
diff --git a/.gitignore b/.gitignore
@@ -1,4 +1,8 @@
-colourpicker
 *.so
-external/lib
+colourpicker
+config.h
 external/include
+external/lib
+font_inc.h
+gen_incs
+shader_inc.h
diff --git a/build.sh b/build.sh
@@ -29,6 +29,8 @@ else
 	ldflags="-L./external/lib $ldflags"
 fi
 
+[ ! -s "config.h" ] && cp config.def.h config.h
+
 if [ "$debug" ]; then
 	# Hot Reloading/Debugging
 	cflags="$cflags -O0 -ggdb -D_DEBUG"
@@ -41,4 +43,9 @@ if [ "$debug" ]; then
 	${cc} $libcflags colourpicker.c -o libcolourpicker.so $libldflags
 fi
 
+if [ "hsv_lerp.glsl" -nt "shader_inc.h" ]; then
+	${cc} $cflags -D_XOPEN_SOURCE=600 -o gen_incs gen_incs.c -s $ldflags
+	./gen_incs
+fi
+
 ${cc} $cflags -o colourpicker main.c $ldflags
diff --git a/colourpicker.c b/colourpicker.c
@@ -870,8 +870,11 @@ static void
 do_picker_mode(ColourPickerCtx *ctx, v2 relative_origin)
 {
 	if (!IsShaderReady(ctx->picker_shader)) {
-		/* TODO: LoadShaderFromMemory */
-		ctx->picker_shader = LoadShader(0, "./picker_shader.glsl");
+#ifdef _DEBUG
+		ctx->picker_shader = LoadShader(0, HSV_LERP_SHADER_NAME);
+#else
+		ctx->picker_shader = LoadShaderFromMemory(0, g_hsv_shader_text);
+#endif
 		ctx->mode_id       = GetShaderLocation(ctx->picker_shader, "u_mode");
 		ctx->hsv_id        = GetShaderLocation(ctx->picker_shader, "u_hsv");
 		ctx->size_id       = GetShaderLocation(ctx->picker_shader, "u_size");
diff --git a/config.def.h b/config.def.h
@@ -0,0 +1,3 @@
+#define FONT_SIZE 40u
+
+#define HSV_LERP_SHADER_NAME "hsv_lerp.glsl"
diff --git a/gen_incs.c b/gen_incs.c
@@ -0,0 +1,53 @@
+#include <raylib.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "config.h"
+
+#define ISSPACE(a)  ((a) == ' ' || (a) == '\t')
+
+int
+main(void)
+{
+	SetConfigFlags(FLAG_WINDOW_HIDDEN);
+	SetTraceLogLevel(LOG_NONE);
+	InitWindow(640, 480, "");
+	Font font = LoadFontEx("assets/Lora-SemiBold.ttf", FONT_SIZE, 0, 0);
+	ExportFontAsCode(font, "font_inc.h");
+	CloseWindow();
+
+	FILE *shader_file, *out_file;
+	shader_file = fopen(HSV_LERP_SHADER_NAME, "r");
+	out_file    = fopen("shader_inc.h", "w");
+
+	if (!shader_file || !out_file) {
+		fputs("Failed to open necessary files!\n", stdout);
+		return 1;
+	}
+
+	char *line = NULL;
+	size_t len = 0;
+	ssize_t read;
+
+	/* NOTE: skip over license notice */
+	getline(&line, &len, shader_file);
+	fputs("static char *g_hsv_shader_text =\n\t", out_file);
+	while ((read = getline(&line, &len, shader_file)) != -1) {
+		char *s;
+		for (s = line; *s; s++, read--) {
+			if (!ISSPACE(*s))
+				break;
+		}
+		if (read > 1) {
+			fputc('"', out_file);
+			fwrite(s, read - 1, 1, out_file);
+			fputs("\\n\"\n\t", out_file);
+		}
+	}
+	fputs(";\n", out_file);
+	fclose(out_file);
+	fclose(shader_file);
+
+	return 0;
+}
diff --git a/picker_shader.glsl b/hsv_lerp.glsl
diff --git a/main.c b/main.c
@@ -153,8 +153,8 @@ main(i32 argc, char *argv[])
 	SetConfigFlags(FLAG_VSYNC_HINT);
 	InitWindow(ctx.window_size.w, ctx.window_size.h, "Colour Picker");
 
-	ctx.font_size = 40;
-	ctx.font      = LoadFontEx("assets/Lora-SemiBold.ttf", ctx.font_size, 0, 0);
+	ctx.font_size = FONT_SIZE;
+	ctx.font      = LoadFont_FontInc();
 
 	while(!WindowShouldClose()) {
 		do_debug();
diff --git a/util.c b/util.c
@@ -7,6 +7,10 @@
 #include <stddef.h>
 #include <stdint.h>
 
+#include "shader_inc.h"
+#include "font_inc.h"
+#include "config.h"
+
 #ifndef asm
 #define asm __asm__
 #endif