rendering a text buffer

1 files changed, 9 insertions, 1 deletions

diff --git a/text.h b/text.h
index ad18ef3..45cc6bb 100644
--- a/text.h
+++ b/text.h
@@ -10,6 +10,12 @@
 
 typedef struct Font Font;
 
+typedef struct {
+	float x, y;
+	// points at which the text should be cut off in the x and y directions
+	float edge_right, edge_bottom;
+} TextRenderState;
+
 extern bool text_has_err(void);
 // Get the current error. Errors will NOT be overwritten with newer errors.
 extern char const *text_get_err(void);
@@ -17,6 +23,8 @@ extern char const *text_get_err(void);
 extern void text_clear_err(void);
 // Load a TTF font found in ttf_filename with the given font size (character pixel height)
 extern Font *text_font_load(char const *ttf_filename, float font_size);
+// Height of a character of this font in pixels.
+extern float text_font_char_height(Font *font);
 // Render some UTF-8 text to the screen (simple interface).
 extern void text_render(Font *font, char const *text, float x, float y);
 // Get the dimensions of some text.
@@ -26,7 +34,7 @@ extern void text_chars_begin(Font *font);
 // Finish writing characters.
 extern void text_chars_end(Font *font);
 // Render a single character.
-extern void text_render_char(Font *font, char32_t c, float *x, float *y);
+extern void text_render_char(Font *font, char32_t c, TextRenderState *state);
 // Free memory used by font.
 extern void text_font_free(Font *font);