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authorArjun Satarkar <me@arjunsatarkar.net>2023-06-01 13:31:24 +0000
committerArjun Satarkar <me@arjunsatarkar.net>2023-06-01 13:33:56 +0000
commit3a2fef94230f35d948634ffef83660afdffa0bad (patch)
treee4fb261e6fcf6d0b4b3d4b688aa94757700f45ab /lib/hitomezashi.h
parent316382d74ed4a705c43e2380e7af20a500c24fa9 (diff)
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Complete libhitomezashi, reset project
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-/** @file */
-
-#ifndef HITOMEZASHI_HITOMEZASHI_H
-#define HITOMEZASHI_HITOMEZASHI_H
-
-#include "SDL2/SDL.h"
-
-/** The state of a hitomezashi pattern.
- */
-struct Hitomezashi_State {
- int x_pattern_len;
- int y_pattern_len;
-
- /** Pattern used to draw the vertical lines conceptually originating from the
- * x axis. This is an array of 0s and 1s.
- */
- const char *x_pattern;
- /** Pattern used to draw the horizontal lines conceptually originating from
- * the y axis. This is an array of 0s and 1s.
- */
- const char *y_pattern;
-
- /** Gap between parallel lines. */
- int gap;
-
- int line_thickness;
-
- Uint32 fg_colour;
- Uint32 bg_colour;
-
- /** Width in pixels of the SDL_Surface needed to hold the pattern. This is
- * calculated by hitomezashi_state_init(). */
- int output_width;
- /** Height in pixels of the SDL_Surface needed to hold the pattern. This is
- * calculated by hitomezashi_state_init(). */
- int output_height;
-
- /** Surface the pattern is drawn to by hitomezashi_draw(). */
- SDL_Surface *surface;
-};
-
-enum Hitomezashi_State_Init_Result {
- Hitomezashi_State_Init_Result_Success,
- /** The function failed as it encountered an error initialising the
- SDL_Surface in state. */
- Hitomezashi_State_Init_Result_Err_Create_Surface,
-};
-
-enum Hitomezashi_Draw_Result {
- Hitomezashi_Draw_Result_Success,
- /** The function failed as it encountered an error "locking" the surface to
- write to it. */
- Hitomezashi_Draw_Result_Err_Lock_Surface,
-};
-
-/** Initialise a Hitomezashi_State struct so that it is ready to be passed to
- * hitomezashi_draw(). */
-enum Hitomezashi_State_Init_Result
-hitomezashi_state_init(struct Hitomezashi_State *state, int x_pattern_len,
- int y_pattern_len, const char *x_pattern,
- const char *y_pattern, int gap, int line_thickness,
- Uint32 fg_colour, Uint32 bg_colour);
-
-/** Draw the hitomezashi pattern to state->surface. */
-enum Hitomezashi_Draw_Result hitomezashi_draw(struct Hitomezashi_State *state);
-
-#endif // HITOMEZASHI_HITOMEZASHI_H