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Remove screen area field; document area fields

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This commit is contained in:
Peter Evans 2017-12-27 16:59:56 -06:00
parent 27f91ec00f
commit 30223e0bca
3 changed files with 12 additions and 6 deletions
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13
include/vm_screen.h
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@ -8,9 +8,21 @@
#define VM_SCREEN_DEFHEIGHT 600 #define VM_SCREEN_DEFHEIGHT 600
typedef struct { typedef struct {
/*
* These are the x and y coordinate offsets in the logical dimension
* established in a vm_screen. An offset of (0, 0) would be in the
* top-left; (5, 5) would be 5 pixels down, and 5 pixels to the
* right, of that top-left corner.
*/
int xoff; int xoff;
int yoff; int yoff;
/*
* These are the width and height of the area we're defining. A
* single pixel in the logical area would have a width and height of
* (1, 1); use larger numbers to indicate a larger square (if the
* two are equal) or rectangle (if unequal).
*/
int width; int width;
int height; int height;
} vm_area; } vm_area;
@ -18,7 +30,6 @@ typedef struct {
typedef struct { typedef struct {
SDL_Window *window; SDL_Window *window;
SDL_Renderer *render; SDL_Renderer *render;
vm_area area;
int xcoords; int xcoords;
int ycoords; int ycoords;

1
src/vm_screen.c
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@ -61,7 +61,6 @@ vm_screen_create()
screen->window = NULL; screen->window = NULL;
screen->render = NULL; screen->render = NULL;
vm_area_set(&screen->area, 0, 0, 0, 0);
return screen; return screen;
} }

4
tests/vm_screen.c
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@ -33,10 +33,6 @@ Test(vm_screen, create) {
cr_assert_eq(screen->window, NULL); cr_assert_eq(screen->window, NULL);
cr_assert_eq(screen->render, NULL); cr_assert_eq(screen->render, NULL);
cr_assert_eq(screen->area.xoff, 0);
cr_assert_eq(screen->area.yoff, 0);
cr_assert_eq(screen->area.width, 0);
cr_assert_eq(screen->area.height, 0);
cr_assert_eq(screen->xcoords, 0); cr_assert_eq(screen->xcoords, 0);
cr_assert_eq(screen->ycoords, 0); cr_assert_eq(screen->ycoords, 0);
} }