From 32407e728971006ed3d0885e01c22fb66c8adc57 Mon Sep 17 00:00:00 2001 From: Alex Auvolat Date: Fri, 15 Jul 2016 23:12:14 +0200 Subject: Move stuff around, again --- src/lib/include/kogata/draw.h | 64 +++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 64 insertions(+) create mode 100644 src/lib/include/kogata/draw.h (limited to 'src/lib/include/kogata/draw.h') diff --git a/src/lib/include/kogata/draw.h b/src/lib/include/kogata/draw.h new file mode 100644 index 0000000..fb9fe05 --- /dev/null +++ b/src/lib/include/kogata/draw.h @@ -0,0 +1,64 @@ +#pragma once + +#include +#include + +// ---- Generic drawing functions + +// ---- Data structures + +typedef struct { + fb_info_t geom; + + fd_t fd; + uint8_t* data; +} fb_t; + +typedef struct font font_t; + +typedef uint32_t color_t; // a color is always linked to a FB on which it is to be applied + +// ---- Buffer creation + +fb_t *g_fb_from_file(fd_t file, fb_info_t *geom); +fb_t *g_fb_from_mem(uint8_t* region, fb_info_t *geom); + +void g_delete_fb(fb_t *fb); + +// ---- Color manipulation + +color_t g_color_rgb(fb_t *f, uint8_t r, uint8_t g, uint8_t b); + +// ---- Drawing primitives + +void g_plot(fb_t *fb, int x, int y, color_t c); + +void g_hline(fb_t *fb, int x, int y, int w, color_t c); // horizontal line +void g_vline(fb_t *fb, int x, int y, int h, color_t c); // vertical line +void g_line(fb_t *fb, int x1, int y1, int x2, int y2, color_t c); + +void g_rect(fb_t *fb, int x, int y, int w, int h, color_t c); +void g_fillrect(fb_t *fb, int x, int y, int w, int h, color_t c); +void g_rect_r(fb_t *fb, fb_region_t reg, color_t c); +void g_fillrect_r(fb_t *fb, fb_region_t reg, color_t c); + +void g_circle(fb_t *fb, int cx, int cy, int r, color_t c); +void g_fillcircle(fb_t *fb, int cx, int cy, int r, color_t c); + +void g_blit(fb_t *dst, int x, int y, fb_t *src); +void g_blit_region(fb_t *dst, int x, int y, fb_t *src, fb_region_t reg); + +void g_scroll_up(fb_t *fb, int l); + +// ---- Text manipulation + +font_t *g_load_font(const char* fontname); +void g_free_font(font_t *f); + +int g_text_width(font_t *f, const char* text); +int g_text_height(font_t *f, const char* text); + +void g_write(fb_t *fb, int x, int y, const char* text, font_t *font, color_t c); + + +/* vim: set ts=4 sw=4 tw=0 noet :*/ -- cgit v1.2.3