main

1 files changed, 48 insertions, 0 deletions

diff --git a/render/render_text.c b/render/render_text.c
new file mode 100644
index 0000000..67a13e2
--- /dev/null
+++ b/render/render_text.c
@@ -0,0 +1,48 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <render_text.h>
+
+void char_width_init (int *char_width) {
+    for (int i=0; i<128; char_width[i++]=5);
+    char_width[','] = 1; char_width['-'] = 3; char_width['.'] = 1; 
+    char_width['/'] = 4; char_width['!'] = 1;
+    char_width[':'] = 1; char_width[';'] = 1;
+    char_width['<'] = 3; char_width['>'] = 3; char_width['='] = 4;
+    char_width['I'] = 1;
+    char_width['f'] = 4; char_width['i'] = 1; char_width['j'] = 3;
+    char_width['l'] = 1; char_width['k'] = 4; char_width['t'] = 4;
+}
+
+int get_text_width (char str[], txtd *t) {
+    int width = 0;
+    for (int i=0; str[i]!='\0'; i++) { 
+        width += t->cw[str[i]]; 
+        if (str[i+1]!='\0') width++;
+    }
+    return width;
+}
+
+void render_text (SDL_Renderer* gRenderer, char str[], float off[], txtd *t) 
+{
+    int width = 0;
+    for (int i=0; str[i]!='\0'; i++) {
+        int char_i = str[i];
+        SDL_Rect srcRect = { (char_i%32)*6+1, (char_i/32)*12+1, 5, 11 };
+        SDL_Rect dstRect = { off[0]+width, off[1], 5, 11 };
+        SDL_RenderCopy(gRenderer, t->tex, &srcRect, &dstRect);
+        width += t->cw[char_i]+1;
+    }
+}
+
+void render_text_scaled (SDL_Renderer* gRenderer, char str[], 
+    float off[], txtd *t, float scale) 
+{
+    int width = 0;
+    for (int i=0; str[i]!='\0'; i++) {
+        int char_i = str[i];
+        SDL_Rect srcRect = { (char_i%32)*6+1, (char_i/32)*12+1, 5, 11 };
+        SDL_Rect dstRect = { off[0]+width, off[1], 5*scale, 11*scale };
+        SDL_RenderCopy(gRenderer, t->tex, &srcRect, &dstRect);
+        width += t->cw[char_i]*scale+1*scale;
+    }
+}
\ No newline at end of file