186 lines
6.6 KiB
C
186 lines
6.6 KiB
C
#ifndef __GRAPHICS_H__
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#define __GRAPHICS_H__
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#include <SDL_version.h>
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/* #define GFX_CACHE_SIZE 64
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#define GFX_MAX_CACHED_W 256
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#define GFX_MAX_CACHED_H 256
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#define WORD_CACHE_SIZE 1024
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#define LINK_CACHE_SIZE 64
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*/
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#if SDL_VERSION_ATLEAST(1,3,0)
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typedef int gtimer_t;
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#define NULL_TIMER 0
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#else
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typedef void* gtimer_t;
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#define NULL_TIMER NULL
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#endif
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typedef void* img_t;
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typedef void* fnt_t;
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typedef void* layout_t;
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typedef void* textbox_t;
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typedef void* xref_t;
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typedef void* word_t;
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typedef struct {
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int r;
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int g;
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int b;
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} color_t;
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#define ALIGN_LEFT 1
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#define ALIGN_RIGHT 2
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#define ALIGN_CENTER 4
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#define ALIGN_JUSTIFY 8
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#define ALIGN_TOP 16
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#define ALIGN_BOTTOM 32
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#define ALIGN_MIDDLE 64
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#define STYLE_NORMAL 0x00
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#define STYLE_BOLD 0x01
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#define STYLE_ITALIC 0x02
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#define STYLE_UNDERLINE 0x04
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static inline color_t gfx_col(int r, int g, int b)
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{
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color_t col;
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col.r = r;
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col.g = g;
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col.b = b;
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return col;
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}
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extern int gfx_init(void);
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extern void gfx_done(void);
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extern int gfx_parse_color (const char *spec, color_t *def);
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extern void gfx_flip(void);
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extern cache_t gfx_image_cache(void);
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extern img_t gfx_screen(img_t nscreen);
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extern void gfx_bg(color_t col);
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extern void gfx_noclip(void);
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extern void gfx_clip(int x, int y, int w, int h);
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extern void gfx_getclip(int *x, int *y, int *w, int *h);
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extern int gfx_width;
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extern int gfx_height;
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extern int gfx_video_init(void);
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extern int gfx_set_mode(int w, int h, int fs);
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extern int gfx_get_mode(int n, int *w, int *h);
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extern int gfx_get_max_mode(int *w, int *h);
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extern int gfx_next_mode(int *w, int *h);
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extern int gfx_prev_mode(int *w, int *h);
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extern void gfx_update(int x, int y, int w, int h);
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extern void gfx_video_done(void);
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extern void gfx_clear(int x, int y, int w, int h);
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extern void gfx_copy_from(img_t p, int x, int y, int width, int height, img_t to, int xx, int yy);
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extern void gfx_draw(img_t pixmap, int x, int y);
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extern void gfx_draw_wh(img_t p, int x, int y, int w, int h);
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extern img_t gfx_grab_screen(int x, int y, int w, int h);
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extern img_t gfx_new(int w, int h);
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extern img_t gfx_load_image(char *filename);
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extern void gfx_free_image(img_t pixmap);
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extern int gfx_img_w(img_t pixmap);
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extern int gfx_img_h(img_t pixmap);
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extern img_t gfx_combine(img_t src, img_t dst);
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extern void gfx_set_alpha(img_t src, int alpha);
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extern void gfx_unset_alpha(img_t src);
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extern img_t gfx_alpha_img(img_t src, int alpha);
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extern img_t gfx_display_alpha(img_t src);
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extern img_t gfx_scale(img_t src, float xscale, float yscale);
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extern img_t gfx_rotate(img_t src, float angle);
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extern void gfx_draw_bg(img_t p, int x, int y, int width, int height);
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extern void gfx_draw_from(img_t p, int x, int y, int width, int height, img_t to, int xx, int yy);
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extern void gfx_cursor(int *xp, int *yp);
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extern void gfx_warp_cursor(int x, int y);
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extern void gfx_change_screen(img_t src, int steps);
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extern int gfx_fading(void);
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extern void gfx_img_fill(img_t img, int x, int y, int w, int h, color_t col);
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extern void gfx_fill(int x, int y, int w, int h, color_t col);
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extern fnt_t fnt_load(const char *fname, int size);
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extern void fnt_free(fnt_t);
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extern int fnt_height(fnt_t fn);
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extern void fnt_style(fnt_t fn, int style);
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extern img_t fnt_render(fnt_t fn, const char *p, color_t col);
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extern void txt_draw(fnt_t fnt, const char *txt, int x, int y, color_t col);
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extern void txt_size(fnt_t fnt, const char *txt, int *w, int *h);
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// extern int txt_width(fnt_t fnt, const char *txt);
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//extern layout_t txt_layout(fnt_t fn, char *txt, int width, int height);
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extern layout_t txt_layout(fnt_t fn, int align, int width, int height);
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extern void txt_layout_add(layout_t lay, char *txt);
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extern void txt_layout_set(layout_t lay, char *txt);
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extern void txt_layout_draw(layout_t lay, int x, int y);
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extern void txt_layout_free(layout_t lay);
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extern void _txt_layout_free(layout_t lay); /* do not free lay obj */
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extern xref_t txt_layout_xref(layout_t lay, int x, int y);
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extern void txt_layout_color(layout_t lay, color_t fg);
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extern fnt_t txt_layout_font(layout_t lay);
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extern void txt_layout_font_height(layout_t lay, float height);
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extern void txt_layout_link_color(layout_t lay, color_t link);
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extern void txt_layout_active_color(layout_t lay, color_t link);
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extern void txt_layout_link_style(layout_t lay, int style);
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extern int txt_layout_add_img(layout_t lay, const char *name, img_t img);
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extern img_t txt_layout_images(layout_t lay, void **v); /* enumerator */
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extern word_t txt_layout_words(layout_t lay, word_t w); /* enumerator */
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extern int word_geom(word_t v, int *x, int *y, int *w, int *h);
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extern img_t word_image(word_t v);
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extern void txt_layout_size(layout_t lay, int *w, int *h);
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extern textbox_t txt_box(int w, int h);
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extern layout_t txt_box_layout(textbox_t tbox);
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extern void txt_box_set(textbox_t tbox, layout_t lay);
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extern void txt_box_free(textbox_t tbox);
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extern void txt_box_draw(textbox_t tbox, int x, int y);
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extern void txt_box_next(textbox_t tbox);
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extern void txt_box_prev(textbox_t tbox);
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extern void txt_box_next_line(textbox_t tbox);
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extern void txt_box_prev_line(textbox_t tbox);
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extern void txt_box_scroll(textbox_t tbox, int disp);
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extern xref_t txt_box_xref(textbox_t tbox, int x, int y);
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extern xref_t txt_box_xrefs(textbox_t tbox);
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extern int txt_box_off(textbox_t tbox);
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extern void txt_box_size(textbox_t tbox, int *w, int *h);
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extern void txt_box_resize(textbox_t tbox, int w, int h);
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typedef void (*clear_fn)(int x, int y, int w, int h);
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extern void txt_box_update_links(textbox_t tbox, int x, int y, clear_fn);
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extern void txt_layout_update_links(layout_t layout, int x, int y, clear_fn clear);
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extern void txt_layout_real_size(layout_t lay, int *w, int *h);
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extern void txt_layout_set_size(layout_t lay, int w, int h); /* without text only */
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extern int txt_layout_pos2off(layout_t lay, int pos, int *hh);
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extern img_t txt_box_render(textbox_t tbox);
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extern char *xref_get_text(xref_t x);
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extern void xref_set_active(xref_t x, int val);
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extern int xref_get_active(xref_t x);
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extern xref_t xref_next(xref_t x);
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extern xref_t xref_prev(xref_t x);
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extern int xref_position(xref_t x, int *xc, int *yc);
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extern xref_t txt_layout_xrefs(layout_t lay);
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extern layout_t xref_layout(xref_t x);
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typedef void (*update_fn)(int x, int y, int w, int h);
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extern void xref_update(xref_t xref, int x, int y, clear_fn clear, update_fn update);
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extern void gfx_start_gif(img_t img);
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extern int gfx_is_drawn_gifs(void);
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extern void gfx_stop_gif(img_t img);
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extern int gfx_frame_gif(img_t img);
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extern void gfx_del_timer(gtimer_t han);
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extern gtimer_t gfx_add_timer(int delay, int (*fn)(int, void*), void *aux);
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extern void gfx_update_gif(img_t img);
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extern void gfx_dispose_gif(img_t p);
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#endif
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