text_rendering/.gitignore

@@ -1,4 +0,0 @@
-*.png
-test
-obj/**
-objlist

text_rendering/Makefile

@@ -1,17 +1,7 @@
-CC      = gcc
 LDFLAGS = -lm -lgrapheme -lSDL2 -lGLEW -lGL
-CFLAGS  = -g -Wall -Wextra -pedantic
+CFLAGS = -g -Wall -Wextra -pedantic
+SOURCE = main.c font.c cache.c hash.c util.c ren.c
+HEADER = font.h hash.h cache.h util.h ren.h
 
-.PHONY: clean all
+test: ${HEADER} ${SOURCE}
-all: test
+	gcc ${CFLAGS} ${LDFLAGS} ${SOURCE} -o test
-
-cache.o: cache.c cache.h hash.h font.h util.h
-font.o: font.c font.h stb_truetype.h stb_image_write.h util.h cache.h
-hash.o: hash.c hash.h util.h
-main.o: main.c ren.h util.h
-ren.o: ren.c util.h font.h ren.h stack.h
-util.o: util.c util.h
-test:  cache.o font.o hash.o main.o ren.o util.o
-	${CC} ${LDFLAGS} -o test  cache.o font.o hash.o main.o ren.o util.o
-clean: 
-	rm -f  cache.o font.o hash.o main.o ren.o util.o

text_rendering/genmake.sh

@@ -1,43 +0,0 @@
-#!/bin/sh
-
-genobj() {
-	#echo "$1" | sed -e 's/^/obj\//' -e 's/\.c/\.o/'
-	echo "$1" | sed -e 's/\.c/\.o/'
-}
-
-genrule() {
-	#gcc -MM "$1" | sed 's/^/obj\//'
-	gcc -MM "$1"
-}
-
-
-rm -f objlist
-
-cat > Makefile << EOF
-CC      = gcc
-LDFLAGS = -lm -lgrapheme -lSDL2 -lGLEW -lGL
-CFLAGS  = -g -Wall -Wextra -pedantic
-
-.PHONY: clean all
-all: test
-
-EOF
-
-for f in *.c; do
-	genrule $f >> Makefile
-	genobj $f >> objlist
-done
-
-mainrule='test: '
-linkcmd='	${CC} ${LDFLAGS} -o test '
-cleanrule='clean: 
-	rm -f '
-while IFS="" read -r line; do
-	mainrule="$mainrule $line"
-	linkcmd="$linkcmd $line"
-	cleanrule="$cleanrule $line"
-done < objlist
-
-echo "$mainrule"  >> Makefile
-echo "$linkcmd"   >> Makefile
-echo "$cleanrule" >> Makefile

text_rendering/ren.c

@@ -2,7 +2,6 @@
 #include <GL/glew.h>
 #include <SDL2/SDL_opengl.h>
 #include <SDL2/SDL_video.h>
-#include <ctype.h>
 #include <grapheme.h>
 #include <stdio.h>
 
@@ -452,27 +451,17 @@ int ren_set_scissor(int x, int y, int w, int h)
 // TODO: implement font size
 int ren_render_text(const char *str, int x, int y, int w, int h, int size)
 {
-	
+	// x4,y4        x3,y3
-	/* x4,y4        x3,y3
+	// +-------------+
-	 * +-------------+
+	// |(x,y)       /|
-	 * |(x,y)       /|
+	// |          /  |
-	 * |          /  |
+	// |   2    /    |
-	 * |   2    /    |
+	// |      /      |
-	 * |      /      |
+	// |    /        |
-	 * |    /        |
+	// |  /     1    |
-	 * |  /     1    |
+	// |/            |
-	 * |/            |
+	// +-------------+
-	 * +-------------+
+	// x1,y1        x2,y2
-	 * x1,y1        x2,y2 */
-
-	// TODO: stop drawing when outside the bounding box
-	// TODO: check size, if the current font is not of the same size then load 
-	//       load a new font and use that texture instead, this implies making
-	//       a system to store and use different fonts, like:
-	//           struct font_atlas * font_by_size(int size);
-	// FIXME: the bounding box (scissor) logic does not work
-	// TODO: create a method for calculating the total bounding box of a string
-	//       given the box size
 
 	const struct font_glyph *g;
 	struct font_glyph c;
@@ -482,8 +471,6 @@ int ren_render_text(const char *str, int x, int y, int w, int h, int size)
 	struct v_text v;
 	printf("rendering text: %s\n", str);
 	for (off = 0; (ret = grapheme_decode_utf8(str+off, SIZE_MAX, &cp)) > 0 && cp != 0; off += ret) {
-		// skip special characters that render a box (not present in font)
-		if (iscntrl(cp)) goto skip_render;
 		g = font_get_glyph_texture(ren.font, cp, &updated);
 		if (!g) REN_RET(-1, REN_FONT);
 		if (updated) {
@@ -535,7 +522,6 @@ int ren_render_text(const char *str, int x, int y, int w, int h, int size)
 		//gx += c.w + c.a;
 		//gx += c.w + c.x + 1;
 		gx += c.x + c.a;
-		skip_render:
 		switch (cp) {
 		case '\r':
 			gx = x;