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48 lines
1.4 KiB
C
48 lines
1.4 KiB
C
#ifndef _VM_SCREEN_H_
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#define _VM_SCREEN_H_
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#include <stdbool.h>
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#include <SDL.h>
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#include "vm_area.h"
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typedef struct {
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/*
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* This is the window in SDL that we're displaying. It's fine for a
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* screen to be headless; that is, not to have a window. Screen
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* functions which deal with SDL will simply not run that code if
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* headless.
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*/
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SDL_Window *window;
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/*
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* In SDL, the renderer is comparable to the old SDL_Surface type
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* (which is still there!). A renderer is a little more stateful; it
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* contains its own color information to be used when rendering
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* shapes, for example.
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*/
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SDL_Renderer *render;
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/*
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* These are the x and y coordinates of the window we're creating.
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* FIXME: this should probably be renamed to width and height...
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*/
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int xcoords;
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int ycoords;
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} vm_screen;
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extern bool vm_screen_active(vm_screen *);
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extern int vm_screen_add_window(vm_screen *, int, int);
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extern int vm_screen_init();
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extern int vm_screen_xcoords(vm_screen *);
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extern int vm_screen_ycoords(vm_screen *);
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extern vm_screen *vm_screen_create();
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extern void vm_screen_draw_rect(vm_screen *, vm_area *);
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extern void vm_screen_finish();
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extern void vm_screen_free(vm_screen *);
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extern void vm_screen_refresh(vm_screen *);
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extern void vm_screen_set_color(vm_screen *, uint8_t, uint8_t, uint8_t, uint8_t);
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extern void vm_screen_set_logical_coords(vm_screen *, int, int);
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#endif
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