luboslenco
66 lines
2.8 KiB
C
66 lines
2.8 KiB
C
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// This implementation was adapted from tizilogic's krink and robdangerous' kha, licensed under zlib/libpng license
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// https://github.com/tizilogic/krink/blob/main/Sources/krink/graphics2/graphics.h
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// https://github.com/Kode/Kha/tree/main/Sources/kha/graphics2
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#pragma once
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#include <stdbool.h>
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#include <stdint.h>
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#include "iron_math.h"
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#include "iron_gpu.h"
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#include "iron_array.h"
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#include "iron_mat3.h"
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typedef struct draw_font_image draw_font_image_t;
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typedef struct draw_font {
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unsigned char *blob;
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draw_font_image_t *images;
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size_t m_capacity;
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size_t m_images_len;
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int offset;
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buffer_t *buf;
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int glyphs_version;
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int index;
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} draw_font_t;
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void draw_init(buffer_t *image_vert, buffer_t *image_frag, buffer_t *image_transform_vert, buffer_t *image_transform_frag, buffer_t *rect_vert, buffer_t *rect_frag, buffer_t *tris_vert, buffer_t *tris_frag, buffer_t *text_vert, buffer_t *text_frag);
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void draw_begin(gpu_texture_t *target, bool clear, unsigned color);
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void draw_scaled_sub_image(gpu_texture_t *img, float sx, float sy, float sw, float sh, float dx, float dy, float dw, float dh);
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void draw_scaled_image(gpu_texture_t *tex, float dx, float dy, float dw, float dh);
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void draw_sub_image(gpu_texture_t *tex, float sx, float sy, float sw, float sh, float x, float y);
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void draw_image(gpu_texture_t *tex, float x, float y);
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void draw_filled_triangle(float x0, float y0, float x1, float y1, float x2, float y2);
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void draw_filled_rect(float x, float y, float width, float height);
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void draw_rect(float x, float y, float width, float height, float strength);
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void draw_line(float x0, float y0, float x1, float y1, float strength);
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void draw_line_aa(float x0, float y0, float x1, float y1, float strength);
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void draw_string(const char *text, float x, float y);
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void draw_end(void);
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void draw_set_color(uint32_t color);
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uint32_t draw_get_color();
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void draw_set_pipeline(gpu_pipeline_t *pipeline);
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void draw_set_transform(mat3_t matrix);
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bool draw_set_font(draw_font_t *font, int size);
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void draw_font_init(draw_font_t *font);
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void draw_font_destroy(draw_font_t *font);
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void draw_font_13(draw_font_t *font);
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bool draw_font_has_glyph(int glyph);
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void draw_font_add_glyph(int glyph);
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void draw_font_init_glyphs(int from, int to);
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int draw_font_count(draw_font_t *font);
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int draw_font_height(draw_font_t *font, int font_size);
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float draw_sub_string_width(draw_font_t *font, int font_size, const char *text, int start, int end);
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int draw_string_width(draw_font_t *font, int font_size, const char *text);
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void draw_set_bilinear_filter(bool bilinear);
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void draw_filled_circle(float cx, float cy, float radius, int segments);
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void draw_circle(float cx, float cy, float radius, int segments, float strength);
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void draw_cubic_bezier(f32_array_t *x, f32_array_t *y, int segments, float strength);
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extern int draw_font_size;
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extern draw_font_t *draw_font;
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extern gpu_texture_t *_draw_current;
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