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azrp: add azrp_print() and azrp_print_opt() shader functions

This commit is contained in:
Lephenixnoir 2023-06-15 15:41:57 +02:00
parent a33b82f283
commit 44f20d9b5c
Signed by: Lephenixnoir
GPG Key ID: 1BBA026E13FC0495
2 changed files with 50 additions and 16 deletions
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10
azur/include/azur/gint/render.h
View File

@ -240,13 +240,19 @@ enum {
};
/* azrp_text(): Render a string of text, like dtext(). */
void azrp_text(int x, int y, font_t const *f, char const *str, int fg,
int size);
void azrp_text(int x, int y, int fg, char const *str);
/* azrp_text_opt(): Render text with options similar to dtext_opt(). */
void azrp_text_opt(int x, int y, font_t const *font, int fg, int halign,
int valign, char const *str, int size);
/* azrp_print(): Like azrp_text() but with printf-formatting. */
void azrp_print(int x, int y, int fg, char const *fmt, ...);
/* azrp_print_opt(): Like azrp_text_opt() but with printf-formatting. */
void azrp_print_opt(int x, int y, font_t const *font, int fg, int halign,
int valign, char const *fmt, ...);
//---
// Performance indicators
//

56
azur/src/gint/shaders/text.c
View File

@ -2,6 +2,7 @@
#include <gint/defs/util.h>
#include <gint/display.h>
#include <string.h>
#include <stdio.h>
uint8_t AZRP_SHADER_TEXT = -1;
@ -91,11 +92,21 @@ void azrp_shader_text(void *uniforms0, void *cmd0, void *frag0)
} while(glyph_count);
}
void azrp_text(int x, int y, font_t const *f, char const *str0,
int fg, int size)
void azrp_text_opt(int x, int y, font_t const *f, int fg, int halign,
int valign, char const *str0, int size)
{
prof_enter(azrp_perf_cmdgen);
if(halign != DTEXT_LEFT || valign != DTEXT_TOP) {
int w, h;
dnsize(str0, size, f, &w, &h);
if(halign == DTEXT_RIGHT) x -= w - 1;
if(halign == DTEXT_CENTER) x -= (w >> 1);
if(valign == DTEXT_BOTTOM) y -= h - 1;
if(valign == DTEXT_MIDDLE) y -= (h >> 1);
}
/* Clipping */
if(x >= azrp_window.right || y >= azrp_window.bottom ||
y + f->data_height <= azrp_window.top) {
@ -178,18 +189,35 @@ void azrp_text(int x, int y, font_t const *f, char const *str0,
prof_leave(azrp_perf_cmdgen);
}
void azrp_text_opt(int x, int y, font_t const *font, int fg, int halign,
int valign, char const *str, int size)
void azrp_text(int x, int y, int fg, char const *str)
{
if(halign != DTEXT_LEFT || valign != DTEXT_TOP) {
int w, h;
dnsize(str, size, font, &w, &h);
font_t const *font = dfont(NULL);
dfont(font);
if(halign == DTEXT_RIGHT) x -= w - 1;
if(halign == DTEXT_CENTER) x -= (w >> 1);
if(valign == DTEXT_BOTTOM) y -= h - 1;
if(valign == DTEXT_MIDDLE) y -= (h >> 1);
}
azrp_text(x, y, font, str, fg, size);
azrp_text_opt(x, y, font, fg, DTEXT_LEFT, DTEXT_TOP, str, -1);
}
void azrp_print(int x, int y, int fg, char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
char str[128];
vsnprintf(str, sizeof str, fmt, args);
va_end(args);
azrp_text(x, y, fg, str);
}
void azrp_print_opt(int x, int y, font_t const *font, int fg, int halign,
int valign, char const *fmt, ...)
{
va_list args;
va_start(args, fmt);
char str[128];
vsnprintf(str, sizeof str, fmt, args);
va_end(args);
azrp_text_opt(x, y, font, fg, halign, valign, str, -1);
}