mirror of
https://github.com/nunuhara/xsystem4.git
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255 lines
12 KiB
C
255 lines
12 KiB
C
/* Copyright (C) 2019 Nunuhara Cabbage <nunuhara@haniwa.technology>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://gnu.org/licenses/>.
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*/
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#ifndef SYSTEM4_GFX_CORE_H
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#define SYSTEM4_GFX_CORE_H
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#include <stdbool.h>
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#include <stdint.h>
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#include <SDL.h>
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#include "gfx/gl.h"
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#include "gfx/types.h"
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struct cg;
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struct text_metrics;
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enum cg_type;
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enum draw_method {
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DRAW_METHOD_NORMAL,
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DRAW_METHOD_SCREEN,
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DRAW_METHOD_MULTIPLY,
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DRAW_METHOD_ADDITIVE,
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};
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typedef struct texture {
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GLuint handle;
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mat4 world_transform;
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int w, h;
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bool has_alpha;
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int alpha_mod;
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enum draw_method draw_method;
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} Texture;
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struct gfx_render_job;
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typedef struct shader {
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GLuint program;
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// variables
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GLuint world_transform;
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GLuint view_transform;
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GLuint texture;
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GLuint vertex;
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GLuint alpha_mod;
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void (*prepare)(struct gfx_render_job *, void *);
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} Shader;
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struct gfx_render_job {
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struct shader *shader;
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GLuint texture;
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GLfloat *world_transform;
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GLfloat *view_transform;
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void *data;
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};
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int gfx_init(void);
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void gfx_fini(void);
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Texture *gfx_main_surface(void);
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void gfx_set_window_logical_size(int w, int h);
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void gfx_update_screen_scale(void);
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void gfx_set_wait_vsync(bool wait);
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void gfx_load_shader(struct shader *dst, const char *vertex_shader_path, const char *fragment_shader_path);
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// rendering
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void gfx_set_clear_color(int r, int g, int b, int a);
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void gfx_clear(void);
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void gfx_swap(void);
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void gfx_prepare_job(struct gfx_render_job *job);
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void gfx_run_job(struct gfx_render_job *job);
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void gfx_render(struct gfx_render_job *job);
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void gfx_render_texture(struct texture *t, Rectangle *r);
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// texture management
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void gfx_init_texture_blank(struct texture *t, int w, int h);
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void gfx_init_texture_with_cg(struct texture *t, struct cg *cg);
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void gfx_init_texture_rgba(struct texture *t, int w, int h, SDL_Color color);
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void gfx_init_texture_rgb(struct texture *t, int w, int h, SDL_Color color);
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void gfx_init_texture_with_pixels(struct texture *t, int w, int h, void *pixels);
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void gfx_init_texture_amap(struct texture *t, int w, int h, uint8_t *amap, SDL_Color color);
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void gfx_copy_main_surface(struct texture *dst);
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void gfx_delete_texture(struct texture *t);
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GLuint gfx_set_framebuffer(GLenum target, Texture *t, int x, int y, int w, int h);
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void gfx_reset_framebuffer(GLenum target, GLuint fbo);
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SDL_Color gfx_get_pixel(Texture *t, int x, int y);
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void *gfx_get_pixels(Texture *t);
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int gfx_save_texture(Texture *t, const char *path, enum cg_type);
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// drawing
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void gfx_draw_init(void);
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void gfx_copy(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h);
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void gfx_copy_bright(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h, int rate);
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void gfx_copy_amap(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h);
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void gfx_copy_sprite(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h, SDL_Color color);
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void gfx_sprite_copy_amap(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h, int alpha_key);
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void gfx_copy_color_reverse(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h);
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void gfx_copy_use_amap_under(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h, int threshold);
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void gfx_copy_use_amap_border(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h, int threshold);
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void gfx_copy_amap_max(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h);
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void gfx_copy_amap_min(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h);
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void gfx_blend(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int a);
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void gfx_blend_src_bright(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int a, int rate);
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void gfx_blend_add_satur(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h);
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void gfx_blend_amap(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h);
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void gfx_blend_amap_src_only(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h);
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void gfx_blend_amap_color(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h, int r, int g, int b);
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void gfx_blend_amap_color_alpha(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int r, int g, int b, int a);
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void gfx_blend_amap_alpha(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h, int a);
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void gfx_blend_amap_bright(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int rate);
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void gfx_blend_amap_alpha_src_bright(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int alpha, int rate);
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void gfx_blend_use_amap_color(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int r, int g, int b, int rate);
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void gfx_blend_screen(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h);
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void gfx_blend_multiply(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h);
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void gfx_blend_screen_alpha(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int a);
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void gfx_fill(struct texture *dst, int x, int y, int w, int h, int r, int g, int b);
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void gfx_fill_alpha_color(struct texture *dst, int x, int y, int w, int h, int r, int g, int b, int a);
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void gfx_fill_amap(struct texture *dst, int x, int y, int w, int h, int a);
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void gfx_fill_amap_over_border(Texture *dst, int x, int y, int w, int h, int alpha, int border);
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void gfx_fill_amap_under_border(Texture *dst, int x, int y, int w, int h, int alpha, int border);
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void gfx_fill_amap_gradation_ud(Texture *dst, int x, int y, int w, int h, int up_a, int down_a);
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void gfx_fill_screen(Texture *dst, int x, int y, int w, int h, int r, int g, int b);
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void gfx_fill_multiply(Texture *dst, int x, int y, int w, int h, int r, int g, int b);
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void gfx_satur_dp_dpxsa(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h);
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void gfx_screen_da_daxsa(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h);
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void gfx_add_da_daxsa(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h);
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void gfx_blend_da_daxsa(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h);
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void gfx_sub_da_daxsa(struct texture *dst, int dx, int dy, struct texture *src, int sx, int sy, int w, int h);
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void gfx_bright_dest_only(Texture *dst, int x, int y, int w, int h, int rate);
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void gfx_copy_stretch(struct texture *dst, int dx, int dy, int dw, int dh, struct texture *src, int sx, int sy, int sw, int sh);
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void gfx_copy_stretch_amap(struct texture *dst, int dx, int dy, int dw, int dh, struct texture *src, int sx, int sy, int sw, int sh);
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void gfx_copy_stretch_blend(struct texture *dst, int dx, int dy, int dw, int dh, struct texture *src, int sx, int sy, int sw, int sh, int a);
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void gfx_copy_stretch_blend_amap(struct texture *dst, int dx, int dy, int dw, int dh, struct texture *src, int sx, int sy, int sw, int sh);
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void gfx_copy_rot_zoom(Texture *dst, Texture *src, int sx, int sy, int w, int h, float rotate, float mag);
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void gfx_copy_rot_zoom_amap(Texture *dst, Texture *src, int sx, int sy, int w, int h, float rotate, float mag);
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void gfx_copy_rot_zoom_use_amap(Texture *dst, Texture *src, int sx, int sy, int w, int h, float rotate, float mag);
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void gfx_copy_reverse_LR(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h);
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void gfx_copy_reverse_amap_LR(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h);
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void gfx_copy_rotate_y(Texture *dst, Texture *front, Texture *back, int sx, int sy, int w, int h, float rot, float mag);
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void gfx_copy_rotate_y_use_amap(Texture *dst, Texture *front, Texture *back, int sx, int sy, int w, int h, float rot, float mag);
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void gfx_copy_rotate_x(Texture *dst, Texture *front, Texture *back, int sx, int sy, int w, int h, float rot, float mag);
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void gfx_copy_rotate_x_use_amap(Texture *dst, Texture *front, Texture *back, int sx, int sy, int w, int h, float rot, float mag);
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void gfx_copy_width_blur(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int blur);
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void gfx_copy_height_blur(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int blur);
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void gfx_copy_amap_width_blur(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int blur);
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void gfx_copy_amap_height_blur(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h, int blur);
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void gfx_copy_with_alpha_map(Texture *dst, int dx, int dy, Texture *src, int sx, int sy, int w, int h);
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void gfx_fill_with_alpha(Texture *dst, int x, int y, int w, int h, int r, int g, int b, int a);
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void gfx_copy_stretch_with_alpha_map(Texture *dst, int dx, int dy, int dw, int dh, Texture *src, int sx, int sy, int sw, int sh);
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void gfx_draw_glyph(Texture *dst, float dx, int dy, Texture *glyph, SDL_Color color, float scale_x, float bold_width);
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enum {
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FW_NORMAL = 400,
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FW_BOLD = 700,
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FW_NORMAL2 = 1400,
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FW_BOLD2 = 1700
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};
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enum font_face {
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FONT_GOTHIC = 0,
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FONT_MINCHO = 1
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};
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extern const char *font_paths[2];
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struct text_metrics {
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SDL_Color color;
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SDL_Color outline_color;
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unsigned int size;
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int weight;
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enum font_face face;
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int outline_left;
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int outline_up;
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int outline_right;
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int outline_down;
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};
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struct font_metrics {
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int size;
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enum font_face face;
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int weight;
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bool underline;
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bool strikeout;
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int space;
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SDL_Color color;
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};
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void gfx_font_init(void);
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bool gfx_set_font(enum font_face face, unsigned int size);
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bool gfx_set_font_size(unsigned int size);
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bool gfx_set_font_face(enum font_face face);
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bool gfx_set_font_weight(int weight);
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bool gfx_set_font_underline(bool on);
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bool gfx_set_font_strikeout(bool on);
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bool gfx_set_font_space(int space);
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bool gfx_set_font_color(SDL_Color color);
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int gfx_get_font_size(void);
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enum font_face gfx_get_font_face(void);
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int gfx_get_font_weight(void);
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bool gfx_get_font_underline(void);
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bool gfx_get_font_strikeout(void);
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int gfx_get_font_space(void);
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SDL_Color gfx_get_font_color(void);
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void gfx_set_font_name(const char *name);
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int gfx_render_text(Texture *dst, Point pos, char *msg, struct text_metrics *tm, int char_space);
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void gfx_draw_text_to_amap(Texture *dst, int x, int y, char *text);
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void gfx_draw_text_to_pmap(Texture *dst, int x, int y, char *text);
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struct fnl_font_inst {
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struct fnl_font_face *font;
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float scale;
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SDL_Color color;
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SDL_Color outline_color;
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int outline_size;
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};
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struct fnl_render_size;
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struct text_style {
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unsigned font_type;
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float size;
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float bold_width;
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SDL_Color color;
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float edge_width;
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SDL_Color edge_color;
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float scale_x;
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float space_scale_x;
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float font_spacing;
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struct fnl_render_size *font_size;
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};
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void fnl_renderer_init(const char *path);
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void fnl_renderer_fini(void);
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float fnl_draw_text(struct text_style *ts, Texture *dst, float x, int y, char *text);
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float fnl_size_text(struct text_style *ts, char *text);
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float fnl_get_actual_font_size(int font_type, float size);
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float fnl_get_actual_font_size_round_down(int font_type, float size);
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#endif /* SYSTEM4_SDL_CORE_H */
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