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author | untir_l <87096069+untir-l@users.noreply.github.com> | 2022-02-18 14:05:08 +0000 |
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committer | untir-l <87096069+untir-l@users.noreply.github.com> | 2022-02-25 09:56:49 +0000 |
commit | 581bc2dd768ca0af390b9abb41a5c89f1bca19e3 (patch) | |
tree | 2b8ef613b6448099852c9bf3487915c13d3ceea7 /hitomezashi.c | |
parent | 1bc2a436583b0e898decf13e695a1908a894a38c (diff) | |
download | hitomezashi-581bc2dd768ca0af390b9abb41a5c89f1bca19e3.tar hitomezashi-581bc2dd768ca0af390b9abb41a5c89f1bca19e3.tar.gz hitomezashi-581bc2dd768ca0af390b9abb41a5c89f1bca19e3.zip |
Reorganise CLI and lib into separate dirs, add doc comments for Doxygen
Diffstat (limited to 'hitomezashi.c')
-rw-r--r-- | hitomezashi.c | 86 |
1 files changed, 0 insertions, 86 deletions
diff --git a/hitomezashi.c b/hitomezashi.c deleted file mode 100644 index 09feb11..0000000 --- a/hitomezashi.c +++ /dev/null @@ -1,86 +0,0 @@ -#include "hitomezashi.h" -#include "SDL.h" -#include <assert.h> - -SDL_Color HITOMEZASHI_FG_COLOUR = {.r = 0, .g = 0, .b = 0}; -SDL_Color HITOMEZASHI_BG_COLOUR = {.r = 255, .g = 255, .b = 255}; - -enum Hitomezashi_State_Init_Result -hitomezashi_state_init(struct Hitomezashi_State *state, int x_pattern_len, - int y_pattern_len, char *x_pattern, char *y_pattern, - int gap, int line_thickness) { - assert(x_pattern_len >= 0); - assert(y_pattern_len >= 0); - assert(gap >= 0); - assert(line_thickness > 0); - - state->y_pattern_len = y_pattern_len; - state->x_pattern_len = x_pattern_len; - state->x_pattern = x_pattern; - state->y_pattern = y_pattern; - state->gap = gap; - state->line_thickness = line_thickness; - state->output_width = x_pattern_len * gap; - state->output_height = y_pattern_len * gap; - - state->surface = SDL_CreateRGBSurface(0, state->output_width, - state->output_height, 32, 0, 0, 0, 0); - if (!state->surface) { - return Hitomezashi_State_Init_Result_Err_Create_Surface; - } - return Hitomezashi_State_Init_Result_Success; -} - -enum Hitomezashi_Draw_Result hitomezashi_draw(struct Hitomezashi_State *state) { - if (SDL_LockSurface(state->surface) != 0) { - return Hitomezashi_Draw_Result_Err_Lock_Surface; - } - - Uint32 bg_colour = - SDL_MapRGB(state->surface->format, HITOMEZASHI_BG_COLOUR.r, - HITOMEZASHI_BG_COLOUR.g, HITOMEZASHI_BG_COLOUR.b); - Uint32 fg_colour = - SDL_MapRGB(state->surface->format, HITOMEZASHI_FG_COLOUR.r, - HITOMEZASHI_FG_COLOUR.g, HITOMEZASHI_FG_COLOUR.b); - - SDL_FillRect(state->surface, NULL, bg_colour); - - SDL_Rect rect; - // Draw y pattern (horizontal) lines - for (int i = 0; i < state->y_pattern_len; ++i) { - for (int j = 0; j < state->x_pattern_len; ++j) { - if (j % 2 == state->y_pattern[i]) { - rect.x = j * state->gap; - rect.y = i * state->gap; - rect.w = state->gap; - rect.h = state->line_thickness; - SDL_FillRect(state->surface, &rect, fg_colour); - } - } - } - // Draw x pattern (vertical) lines - for (int i = 0; i < state->x_pattern_len; ++i) { - for (int j = 0; j < state->y_pattern_len; ++j) { - if (j % 2 == state->x_pattern[i]) { - rect.x = i * state->gap; - rect.y = j * state->gap; - rect.w = state->line_thickness; - rect.h = state->gap; - SDL_FillRect(state->surface, &rect, fg_colour); - } - } - } - // Join up the lines to avoid leaving holes at the intersections - for (int x = state->gap; x < state->output_width; x += state->gap) { - for (int y = state->gap; y < state->output_height; y += state->gap) { - rect.x = x; - rect.y = y; - rect.w = state->line_thickness; - rect.h = state->line_thickness; - SDL_FillRect(state->surface, &rect, fg_colour); - } - } - - SDL_UnlockSurface(state->surface); - return Hitomezashi_Draw_Result_Success; -} |