diff --git a/chapter/chapter_2.c b/chapter/chapter_2.c index 9679ab8..0743094 100644 --- a/chapter/chapter_2.c +++ b/chapter/chapter_2.c @@ -527,7 +527,7 @@ int curses_render_string_limit (char * string, int limit, int colour, int effect for (offset = 0; offset != limit; ++offset) { if (string [offset] == '\n') { - x = 0; + x *= 0; y += 1; } else if (string [offset] == '\t') { x += 8; diff --git a/chapter/chapter_5.c b/chapter/chapter_5.c index e8fc8e6..9dbb39d 100644 --- a/chapter/chapter_5.c +++ b/chapter/chapter_5.c @@ -11,4 +11,213 @@ It is distributed in the hope that it will be useful or harmful, it really depen #include "chapter_5.h" +#define BLESSES_FONT_WIDTH (8) +#define BLESSES_FONT_HEIGHT (8) + +#define BLESSES_FONT_TABULATOR (4) + +char * blesses_window_title = "xolatile"; +int blesses_window_width = 1800; +int blesses_window_height = 900; +int blesses_active = 1; +int blesses_cursor_x = 0; +int blesses_cursor_y = 0; +int blesses_signal = 0; +int * blesses_sub_framebuffer = NULL; +int * blesses_framebuffer = NULL; + +void (* blesses_action [BLESSES_SIGNAL_COUNT]) (void) = { NULL }; + +xcb_window_t blesses_window = 0; +xcb_gcontext_t blesses_context = 0; +xcb_pixmap_t blesses_pixmap = 0; +xcb_connection_t * blesses_connection = NULL; +xcb_screen_t * blesses_screen = NULL; +xcb_image_t * blesses_image = NULL; + +void blesses_initialize (void) { + unsigned int window_flags [2] = { + 0, + XCB_EVENT_MASK_NO_EVENT | + XCB_EVENT_MASK_EXPOSURE | + XCB_EVENT_MASK_RESIZE_REDIRECT | + XCB_EVENT_MASK_KEY_RELEASE | + XCB_EVENT_MASK_KEY_PRESS | + XCB_EVENT_MASK_BUTTON_RELEASE | + XCB_EVENT_MASK_BUTTON_PRESS + }; + + unsigned short int window_width = (unsigned short int) blesses_window_width; + unsigned short int window_height = (unsigned short int) blesses_window_height; + + blesses_connection = xcb_connect (NULL, NULL); + + fatal_failure (blesses_connection == NULL, "blesses : blesses_initialize : XCB connection is null pointer."); + + blesses_screen = xcb_setup_roots_iterator (xcb_get_setup (blesses_connection)).data; + + blesses_window = xcb_generate_id (blesses_connection); + blesses_context = xcb_generate_id (blesses_connection); + blesses_pixmap = xcb_generate_id (blesses_connection); + + window_flags [0] = blesses_screen->black_pixel; + + xcb_create_window (blesses_connection, blesses_screen->root_depth, blesses_window, blesses_screen->root, 0, 0, window_width, window_height, 10, XCB_WINDOW_CLASS_INPUT_OUTPUT, + blesses_screen->root_visual, XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK, window_flags); + + xcb_map_window (blesses_connection, blesses_window); + + xcb_change_property (blesses_connection, XCB_PROP_MODE_REPLACE, blesses_window, XCB_ATOM_WM_NAME, XCB_ATOM_STRING, 8, string_length (blesses_window_title), blesses_window_title); + + xcb_create_pixmap (blesses_connection, blesses_screen->root_depth, blesses_pixmap, blesses_window, window_width, window_height); + + xcb_create_gc (blesses_connection, blesses_context, blesses_pixmap, 0, NULL); + + xcb_flush (blesses_connection); + + /*blesses_sub_framebuffer = allocate (blesses_window_width * blesses_window_height * (int) sizeof (* blesses_sub_framebuffer) / 4);*/ + blesses_sub_framebuffer = allocate (blesses_window_width * blesses_window_height * (int) sizeof (* blesses_sub_framebuffer)); + blesses_framebuffer = allocate (blesses_window_width * blesses_window_height * (int) sizeof (* blesses_framebuffer)); +} + +void blesses_deinitialize (void) { + blesses_sub_framebuffer = deallocate (blesses_sub_framebuffer); + blesses_framebuffer = deallocate (blesses_framebuffer); + + xcb_free_gc (blesses_connection, blesses_context); + + xcb_free_pixmap (blesses_connection, blesses_pixmap); + + xcb_destroy_window (blesses_connection, blesses_window); + + xcb_disconnect (blesses_connection); +} + +void blesses_synchronize (void) { + int i = 0; + + xcb_generic_event_t * generic_event = NULL; +/* + for (i = 0; i != blesses_window_width * blesses_window_height; i++) { + blesses_framebuffer [i] = blesses_sub_framebuffer [((i / blesses_window_width) / 2) * (blesses_window_width / 2) + (i % blesses_window_width) / 2]; + } +*/ + for (i = 0; i != blesses_window_width * blesses_window_height; i++) { + blesses_framebuffer [i] = blesses_sub_framebuffer [i]; + } + + blesses_sub_framebuffer = deallocate (blesses_sub_framebuffer); + + blesses_image = xcb_image_create_native (blesses_connection, blesses_window_width, blesses_window_height, XCB_IMAGE_FORMAT_Z_PIXMAP, blesses_screen->root_depth, + blesses_framebuffer, (unsigned int) (blesses_window_width * blesses_window_height * (int) sizeof (* blesses_framebuffer)), + (unsigned char *) blesses_framebuffer); + + xcb_image_put (blesses_connection, blesses_pixmap, blesses_context, blesses_image, 0, 0, 0); + + xcb_image_destroy (blesses_image); + + xcb_copy_area (blesses_connection, blesses_pixmap, blesses_window, blesses_context, 0, 0, 0, 0, blesses_window_width, blesses_window_height); + + blesses_framebuffer = NULL; + + generic_event = xcb_wait_for_event (blesses_connection); + + switch (generic_event->response_type & 127) { + case XCB_EXPOSE: { + xcb_flush (blesses_connection); + } break; + case XCB_KEY_PRESS: { + blesses_signal = (int) ((xcb_key_press_event_t *) generic_event)->detail; + if (blesses_signal == 24) { + blesses_active = 0; + } + } break; + default: { + } break; + } + + generic_event = deallocate (generic_event); + + if ((blesses_sub_framebuffer == NULL) && (blesses_framebuffer == NULL)) { + /*blesses_sub_framebuffer = allocate (blesses_window_width * blesses_window_height * (int) sizeof (* blesses_sub_framebuffer) / 4);*/ + blesses_sub_framebuffer = allocate (blesses_window_width * blesses_window_height * (int) sizeof (* blesses_sub_framebuffer)); + blesses_framebuffer = allocate (blesses_window_width * blesses_window_height * (int) sizeof (* blesses_framebuffer)); + } +} + +void blesses_render_background_colour (int background) { + int x, y; + + for (y = 0; y != blesses_window_height/* / 2*/; ++y) { + for (x = 0; x != blesses_window_width/* / 2*/; ++x) { + blesses_sub_framebuffer [y * (blesses_window_width/* / 2*/) + x] = 0XFF000000 | colour; + } + } +} + +void blesses_render_character (char character, int foreground, int background, int x, int y) { + const unsigned long int font_code ['~' - ' ' + 2] = { + 0X0000000000000000, 0X00180018183C3C18, 0X0000000000363636, 0X006C6CFE6CFE6C6C, 0X00187ED07C16FC30, 0X0060660C18306606, 0X00DC66B61C36361C, 0X0000000000181818, + 0X0030180C0C0C1830, 0X000C18303030180C, 0X0000187E3C7E1800, 0X000018187E181800, 0X0C18180000000000, 0X000000007E000000, 0X0018180000000000, 0X0000060C18306000, + 0X003C666E7E76663C, 0X007E181818181C18, 0X007E0C183060663C, 0X003C66603860663C, 0X0030307E363C3830, 0X003C6660603E067E, 0X003C66663E060C38, 0X000C0C0C1830607E, + 0X003C66663C66663C, 0X001C30607C66663C, 0X0018180018180000, 0X0C18180018180000, 0X0030180C060C1830, 0X0000007E007E0000, 0X000C18306030180C, 0X001800181830663C, + 0X003C06765676663C, 0X006666667E66663C, 0X003E66663E66663E, 0X003C66060606663C, 0X001E36666666361E, 0X007E06063E06067E, 0X000606063E06067E, 0X003C66667606663C, + 0X006666667E666666, 0X007E18181818187E, 0X001C36303030307C, 0X0066361E0E1E3666, 0X007E060606060606, 0X00C6C6D6D6FEEEC6, 0X006666767E6E6666, 0X003C66666666663C, + 0X000606063E66663E, 0X006C36566666663C, 0X006666363E66663E, 0X003C66603C06663C, 0X001818181818187E, 0X003C666666666666, 0X00183C6666666666, 0X00C6EEFED6D6C6C6, + 0X0066663C183C6666, 0X001818183C666666, 0X007E060C1830607E, 0X003E06060606063E, 0X00006030180C0600, 0X007C60606060607C, 0X000000000000663C, 0XFFFF000000000000, + 0X000000000030180C, 0X007C667C603C0000, 0X003E6666663E0606, 0X003C6606663C0000, 0X007C6666667C6060, 0X003C067E663C0000, 0X000C0C0C3E0C0C38, 0X3C607C66667C0000, + 0X00666666663E0606, 0X003C1818181C0018, 0X0E181818181C0018, 0X0066361E36660606, 0X003C18181818181C, 0X00C6D6D6FE6C0000, 0X00666666663E0000, 0X003C6666663C0000, + 0X06063E66663E0000, 0XE0607C66667C0000, 0X000606066E360000, 0X003E603C067C0000, 0X00380C0C0C3E0C0C, 0X007C666666660000, 0X00183C6666660000, 0X006CFED6D6C60000, + 0X00663C183C660000, 0X3C607C6666660000, 0X007E0C18307E0000, 0X003018180E181830, 0X0018181818181818, 0X000C18187018180C, 0X000000000062D68C, 0X0000000000000000 + }; + + int offset; + + if ((x <= -1) || (x >= blesses_window_width/* / 2*/ - BLESSES_FONT_WIDTH)) return; + if ((y <= -1) || (y >= blesses_window_height/* / 2*/ - BLESSES_FONT_HEIGHT)) return; + + fatal_failure (blesses_sub_framebuffer == NULL, "blesses : render_character : Sub framebuffer was not allocated."); + fatal_failure (blesses_framebuffer == NULL, "blesses : render_character : Framebuffer was not allocated."); + fatal_failure (character_is_invisible (character), "blesses : render_character : Character is not in visible ASCII range."); + fatal_failure (x <= -1, "blesses : render_character : X position is under lower limit."); + fatal_failure (y <= -1, "blesses : render_character : Y position is under lower limit."); + fatal_failure (x >= blesses_window_width - BLESSES_FONT_WIDTH, "blesses : render_character : X position is above upper limit."); + fatal_failure (y >= blesses_window_height - BLESSES_FONT_HEIGHT, "blesses : render_character : Y position is above upper limit."); + + for (offset = 0; offset != BLESSES_FONT_WIDTH * BLESSES_FONT_HEIGHT; ++offset) { + int u = offset / BLESSES_FONT_WIDTH + y; + int v = offset % BLESSES_FONT_WIDTH + x; + + blesses_sub_framebuffer [u * (blesses_window_width/* / 2*/) + v] = ((font_code [(int) (character - ' ')] >> offset) % 2) ? foreground : background; + } +} + +void blesses_render_string (char * string, int foreground, int background, int x, int y) { + blesses_render_string_limit (string, string_length (string), foreground, background, x, y); +} + +void blesses_render_number (int number, int foreground, int background, int x, int y) { + blesses_render_string (number_to_string (number), foreground, background, x, y); +} + +void blesses_render_string_limit (char * string, int limit, int foreground, int background, int x, int y) { + int offset; + + for (offset = 0; offset != limit; ++offset) { + if (string [offset] == '\n') { + x *= 0; + y += BLESSES_FONT_HEIGHT; + } else if (string [offset] == '\t') { + x += BLESSES_FONT_WIDTH * BLESSES_FONT_TABULATOR; + } else { + blesses_render_character (string [offset], foreground, background, x, y); + x += BLESSES_FONT_WIDTH; + } + } +} + +void blesses_render_number_limit (int number, int limit, int foreground, int background, int x, int y) { + blesses_render_string_limit (number_to_string (number), limit, foreground, background, x, y); +} + #endif diff --git a/chapter/chapter_5.h b/chapter/chapter_5.h index 3ba2c72..e149dce 100644 --- a/chapter/chapter_5.h +++ b/chapter/chapter_5.h @@ -9,10 +9,48 @@ It is distributed in the hope that it will be useful or harmful, it really depen #ifndef CHAPTER_5_HEADER #define CHAPTER_5_HEADER +#include +#include +#include + #include "chapter_0.h" #include "chapter_1.h" #include "chapter_2.h" #include "chapter_3.h" #include "chapter_4.h" +#define BLESSES_SIGNAL_COUNT (144) + +extern char * blesses_window_title; +extern int blesses_window_width; +extern int blesses_window_height; +extern int blesses_active; +extern int blesses_cursor_x; +extern int blesses_cursor_y; +extern int blesses_signal; +extern int * blesses_sub_framebuffer; +extern int * blesses_framebuffer; + +extern void (* blesses_action [BLESSES_SIGNAL_COUNT]) (void); + +extern xcb_window_t blesses_window; +extern xcb_gcontext_t blesses_context; +extern xcb_pixmap_t blesses_pixmap; +extern xcb_connection_t * blesses_connection; +extern xcb_screen_t * blesses_screen; +extern xcb_image_t * blesses_image; + +extern void blesses_initialize (void); +extern void blesses_deinitialize (void); +extern void blesses_synchronize (void); + +extern void blesses_render_background_colour (int background); + +extern void blesses_render_character (char character, int foreground, int background, int x, int y); + +extern void blesses_render_string (char * string, int foreground, int background, int x, int y); +extern void blesses_render_number (int number, int foreground, int background, int x, int y); +extern void blesses_render_string_limit (char * string, int limit, int foreground, int background, int x, int y); +extern void blesses_render_number_limit (int number, int limit, int foreground, int background, int x, int y); + #endif diff --git a/compile.sh b/compile.sh index f175001..331d029 100644 --- a/compile.sh +++ b/compile.sh @@ -9,12 +9,12 @@ gcc -g -Wall -Wextra -Wpedantic -O0 -c -o chapter/chapter_1.o chapter/chapter_1. gcc -g -Wall -Wextra -Wpedantic -O0 -c -o chapter/chapter_2.o chapter/chapter_2.c gcc -g -Wall -Wextra -Wpedantic -O0 -c -o chapter/chapter_3.o chapter/chapter_3.c gcc -g -Wall -Wextra -Wpedantic -O0 -c -o chapter/chapter_4.o chapter/chapter_4.c -gcc -g -Wall -Wextra -Wpedantic -O0 -c -o chapter/chapter_5.o chapter/chapter_5.c -gcc -g -Wall -Wextra -Wpedantic -O0 -c -o chapter/chapter_6.o chapter/chapter_6.c +#~gcc -g -Wall -Wextra -Wpedantic -O0 -c -o chapter/chapter_5.o chapter/chapter_5.c +#~gcc -g -Wall -Wextra -Wpedantic -O0 -c -o chapter/chapter_6.o chapter/chapter_6.c gcc -g -Wall -Wextra -Wpedantic -O0 -c -o xhartae.o xhartae.c -gcc -o xhartae xhartae.o chapter/chapter_0.o chapter/chapter_1.o chapter/chapter_2.o chapter/chapter_3.o chapter/chapter_4.o chapter/chapter_5.o chapter/chapter_6.o +gcc -o xhartae xhartae.o chapter/chapter_0.o chapter/chapter_1.o chapter/chapter_2.o chapter/chapter_3.o chapter/chapter_4.o #chapter/chapter_5.o chapter/chapter_6.o gcc -g -Wall -Wextra -Wpedantic -Werror -O0 -o program/program_0 program/program_0.c gcc -g -Wall -Wextra -Wpedantic -Werror -O0 -o program/program_1 program/program_1.c diff --git a/xhartae.c b/xhartae.c index cae8f0b..9327fdd 100644 --- a/xhartae.c +++ b/xhartae.c @@ -12,16 +12,16 @@ It is distributed in the hope that it will be useful or harmful, it really depen #include "chapter/chapter_2.c" #include "chapter/chapter_3.c" #include "chapter/chapter_4.c" - #include "chapter/chapter_5.c" - #include "chapter/chapter_6.c" + //~#include "chapter/chapter_5.c" + //~#include "chapter/chapter_6.c" #else #include "chapter/chapter_0.h" #include "chapter/chapter_1.h" #include "chapter/chapter_2.h" #include "chapter/chapter_3.h" #include "chapter/chapter_4.h" - #include "chapter/chapter_5.h" - #include "chapter/chapter_6.h" + //~#include "chapter/chapter_5.h" + //~#include "chapter/chapter_6.h" #endif /*