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28 lines
783 B
C
28 lines
783 B
C
#ifndef _VM_SCREEN_H_
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#define _VM_SCREEN_H_
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/*
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* If you just want to plot a single pixel, you can use this macro to
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* abstract away the need to indicate the x/y dimensions (as those must
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* necessarily be 1x1).
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*/
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#define vm_screen_draw_pixel(context, xpos, ypos) \
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vm_screen_draw_rect(context, xpos, ypos, 1, 1)
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typedef struct {
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/*
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* These form the components of an RGBA composite color.
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*/
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int color_red;
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int color_green;
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int color_blue;
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int color_alpha;
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} vm_screen_context;
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extern void vm_screen_draw_rect(vm_screen_context *, int, int, int, int);
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extern void vm_screen_free_context(vm_screen_context *);
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extern vm_screen_context *vm_screen_new_context();
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extern void vm_screen_set_color(vm_screen_context *, int, int, int, int);
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#endif
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