Refactor

1 files changed, 1 insertions, 320 deletions

diff --git a/examples/ui.c b/examples/ui.c
index bd508e8..0847af3 100755
--- a/examples/ui.c
+++ b/examples/ui.c
@@ -25,326 +25,7 @@ gcc                                         \
 exit $? # */
 #endif
 
-#include "../reduced_system_layer.c"
-
-#define CHAR_NUM_BITS_X 6
-#define CHAR_NUM_BITS_Y 7
-#define CHAR_NUM_BITS   (CHAR_NUM_BITS_X * CHAR_NUM_BITS_Y)
-
-enum {
-  OP_SET,
-  OP_XOR,
-};
-
-u64 bitfont[] = {
-  0xbc0000000000, 0xc00300000, 0x5fd5040093f24fc9, 0xa00a2c2a1a280105, 0xc000415e6f, 0x400000020be0000, 0x1c38a8400000007d, 0x40002043e1020215, 0x408102000000010, 0x9800000000020002, 0xf913e00000033, 0x53200000207c8800, 0x3654880000099, 0x54b800000f840e00, 0xe953c000001a, 0x953e000000674080, 0x1e54b800000f, 0x490000000000240, 0x88a08000000, 0x20a220050a142850, 0x6520800000, 0x912f801eab260be, 0x800034952bf0001f, 0xc850bf0000921427, 0xf00010a54afc0003, 0xd29427800002142b, 0x840007e1023f0000, 0x7d09100000217e, 0x3f000188a08fc000, 0xc30c0cfc00000810, 0x27803f101013f00f, 0xc244bf0000f214, 0x4bf0002f21427800, 0xc254a480006c24, 0x407c00102fc08100, 0xf208080f0000fa0, 0x531007d81c607c0, 0xc208288c031141, 0x83fc00046954b10, 0x180e03000000, 0x41040000000ff04, 0x8102040810000404, 0x2a54600000000101, 0x309123e0000e, 0xc912180000a22447, 0x8000062a54700007, 0xe52a4300000029f0, 0xa0000602043e0001, 0x1d48000002074, 0x1f000003610f8000, 0x13e04f800000010, 0x470000780813e00f, 0x184893e0000e224, 0x23e0001f12243000, 0x82a54100000008, 0x40780000009f0200, 0xe208080e0001f20, 0xa22007981860780, 0x82082888022282, 0x16c200004ca95320, 0x7f000004, 0x408200000086d04, 0x8204,
-};
-
-#define BITFONT_LEN ((i64) (sizeof bitfont / sizeof *bitfont))
-
-i64 char_column_offset(c32 c, i64 column_index) {
-  if (column_index < 0 || column_index >= CHAR_NUM_BITS_X)
-    return -1;
-  return (c - 32) * CHAR_NUM_BITS + column_index * CHAR_NUM_BITS_Y;
-}
-
-b8 char_bit(i64 column_offset, i64 row_index) {
-  if (column_offset < 0 || column_offset / 64 >= BITFONT_LEN || row_index < 0 || row_index >= CHAR_NUM_BITS_Y)
-    return 0;
-
-  i64 bit_index   = column_offset + row_index;
-  i64 qword_index = bit_index / 64;
-  if (qword_index < 0 || qword_index >= BITFONT_LEN)
-    return 0;
-  u64 mask        = 1ull << (bit_index % 64);
-  return !!(bitfont[qword_index] & mask);
-}
-
-u64 char_column_convolved(c32 c, i64 column_index) {
-  if (column_index < 0 || column_index >= CHAR_NUM_BITS_X)
-    return 0;
-
-  u64 column = 0;
-  i64 offset = char_column_offset(c, column_index);
-
-  for (i64 y = 0; y < CHAR_NUM_BITS_Y; ++y)
-    if (char_bit(offset, y))
-      column |= 3ull << y;
-
-  return column;
-}
-
-b8 char_column_empty(c32 c, i64 column_index) {
-  if (column_index < 0 || column_index >= CHAR_NUM_BITS_X)
-    return 1;
-
-  i64 offset = char_column_offset(c, column_index);
-
-  for (i64 y = 0; y < CHAR_NUM_BITS_Y; ++y)
-    if (char_bit(offset, y))
-      return 0;
-
-  return 1;
-}
-
-i64 char_width(c32 c) {
-  if (c < 32)
-    return 0;
-  if (c == ' ' || c > 127)
-    return 4;
-
-  i64 width = 0;
-
-  for (; width < CHAR_NUM_BITS_X; ++width)
-    if (char_column_empty(c, width) && char_column_empty(c, width + 1))
-      break;
-
-  return width;
-}
-
-i64 char_spacing(i64 num_chars, c32 *text, i64 index) {
-  assert(text != NULL);
-
-  if (index < 0 || index + 1 >= num_chars)
-    return 0;
-
-  u64 a = char_column_convolved(text[index], char_width(text[index]) - 1);
-  u64 b = char_column_convolved(text[index + 1], 0);
-
-  if (!!(a & b))
-    return 1;
-
-  return 0;
-}
-
-i64 text_cursor(i64 num_chars, c32 *text) {
-  assert(text != NULL);
-
-  i64 cursor = 0;
-
-  for (i64 i = 0; i < num_chars; ++i) {
-    if (text[i] <= ' ') {
-      if (text[i] == '\n')
-        cursor = 0;
-      else if (text[i] == '\b' && i > 0)
-        cursor -= char_width(text[i - 1]) + char_spacing(num_chars, text, i - 1);
-      else if (text[i] == '\r')
-        cursor = 0;
-      else
-        cursor += char_width(' ') + char_spacing(num_chars, text, i);
-      continue;
-    }
-    cursor += char_width(text[i]) + char_spacing(num_chars, text, i);
-  }
-
-  return cursor;
-}
-
-i64 enum_text_columns(i64 num_chars, c32 *text) {
-  assert(text != NULL);
-
-  i64 cols = 0;
-  i64 n    = 0;
-
-  for (i64 i = 0; i < num_chars; ++i) {
-    if (text[i] <= ' ') {
-      if (text[i] == '\n') {
-        if (cols < n)
-          cols = n;
-        n = 0;
-      } else if (text[i] == '\b' && i > 0) {
-        if (cols < n)
-          cols = n;
-        n -= char_width(text[i - 1]) + char_spacing(num_chars, text, i - 1);
-      } else if (text[i] == '\r') {
-        if (cols < n)
-          cols = n;
-        n = 0;
-      } else
-        n += char_width(' ') + char_spacing(num_chars, text, i);
-      continue;
-    }
-    n += char_width(text[i]) + char_spacing(num_chars, text, i);
-  }
-
-  if (cols < n)
-    cols = n;
-
-  return cols;
-}
-
-i64 enum_text_rows(i64 num_chars, c32 *text) {
-  assert(text != NULL);
-
-  i64 rows = 0;
-
-  for (i64 i = 0; i <= num_chars; ++i)
-    if (i == num_chars || text[i] == '\n') {
-      if (rows > 0)
-        ++rows;
-      rows += CHAR_NUM_BITS_Y;
-    }
-
-  return rows;
-}
-
-void print_text(u32 color, f64 x0, f64 y0, f64 scale_x, f64 scale_y, i64 num_chars, c32 *text) {
-  assert(text != NULL);
-
-  f64 x = x0;
-  f64 y = y0;
-
-  f64 kx = scale_x;
-  f64 h  = scale_y * CHAR_NUM_BITS_Y;
-
-  for (i64 n = 0; n < num_chars; ++n) {
-    if (text[n] <= ' ') {
-      if (text[n] == '\n') {
-        x  = x0;
-        y += scale_y * (CHAR_NUM_BITS_Y + 1);
-      }
-      else if (text[n] == '\b' && n > 0)
-        x -= kx * (char_width(text[n - 1]) + char_spacing(num_chars, text, n - 1));
-      else if (text[n] == '\r')
-        x  = x0;
-      else
-        x += kx * (char_width(' ') + char_spacing(num_chars, text, n));
-      continue;
-    }
-
-    i64 num_cols = char_width(text[n]);
-    f64 w        = num_cols * kx;
-
-    i64 i0 = (i64) floor(x + .5);
-    i64 i1 = (i64) floor(x + w + .5);
-    i64 j0 = (i64) floor(y + .5);
-    i64 j1 = (i64) floor(y + h + .5);
-
-    for (i64 i = i0; i < i1; ++i) {
-      if (i < 0) continue;
-      if (i >= platform.frame_width) break;
-
-      i64 column = ((i - i0) * num_cols) / (i1 - i0);
-      i64 offset = char_column_offset(text[n], column);
-
-      for (i64 j = j0; j < j1; ++j) {
-        if (j < 0) continue;
-        if (j >= platform.frame_height) break;
-
-        i64 row = ((j - j0) * CHAR_NUM_BITS_Y) / (j1 - j0);
-
-        if (char_bit(offset, row))
-          platform.pixels[j * platform.frame_width + i] = color;
-      }
-    }
-
-    x += kx * (num_cols + char_spacing(num_chars, text, n));
-  }
-}
-
-void draw_panel(u32 op, u32 color, f64 x0, f64 y0, f64 width, f64 height) {
-  i64 i0 = (i64) floor(x0 + .5);
-  i64 j0 = (i64) floor(y0 + .5);
-  i64 i1 = (i64) floor(x0 + width + .5);
-  i64 j1 = (i64) floor(y0 + height + .5);
-
-  if (i0 < 0) i0 = 0;
-  if (j0 < 0) j0 = 0;
-  if (i1 >= platform.frame_width)  i1 = platform.frame_width  - 1;
-  if (j1 >= platform.frame_height) j1 = platform.frame_height - 1;
-
-  for (i64 j = j0; j < j1; ++j)
-    for (i64 i = i0; i < i1; ++i)
-      if (op == OP_XOR)
-        platform.pixels[j * platform.frame_width + i] ^= color;
-      else
-        platform.pixels[j * platform.frame_width + i] = color;
-}
-
-void draw_text_area(u32 color, f64 x0, f64 y0, f64 width, f64 height, f64 max_scale_x, f64 max_scale_y, i64 num_chars, c32 *text) {
-  assert(max_scale_x > 1e-6);
-  assert(max_scale_y > 1e-6);
-
-  i64 num_columns = enum_text_columns(num_chars, text);
-  i64 num_rows    = enum_text_rows(num_chars, text);
-
-  f64 scale_x = width  / num_columns;
-  f64 scale_y = height / num_rows;
-
-  f64 kx = scale_x / max_scale_x;
-  f64 ky = scale_y / max_scale_y;
-
-  f64 k = kx < ky ? kx : ky;
-
-  kx = k * max_scale_x;
-  ky = k * max_scale_y;
-
-  print_text(color, x0, y0, kx, ky, num_chars, text);
-}
-
-void draw_text_cursor(u32 color, f64 x0, f64 y0, f64 width, f64 height, f64 max_scale_x, f64 max_scale_y, i64 cursor, i64 selection, i64 num_chars, c32 *text) {
-  assert(max_scale_x > 1e-6);
-  assert(max_scale_y > 1e-6);
-
-  i64 num_columns = enum_text_columns(num_chars, text);
-  i64 num_rows    = enum_text_rows(num_chars, text);
-  i64 cursor_x    = text_cursor(cursor, text);
-  i64 cursor_y    = enum_text_rows(cursor, text);
-  f64 scale_x = width  / num_columns;
-  f64 scale_y = height / num_rows;
-
-  f64 kx = scale_x / max_scale_x;
-  f64 ky = scale_y / max_scale_y;
-
-  f64 k = kx < ky ? kx : ky;
-
-  kx = k * max_scale_x;
-  ky = k * max_scale_y;
-
-  if (selection != 0) {
-    i64 selection_x, selection_y;
-
-    if (selection > 0) {
-      selection_x = text_cursor(cursor + selection, text);
-      selection_y = enum_text_rows(cursor + selection, text);
-    } else {
-      selection_x = cursor_x;
-      selection_y = cursor_y;
-      cursor_x    = text_cursor(cursor + selection, text);
-      cursor_y    = enum_text_rows(cursor + selection, text);
-    }
-
-    if (cursor_y == selection_y)
-      draw_panel(OP_XOR, color,
-        x0 + kx * cursor_x,
-        y0 + ky * cursor_y - ky * (CHAR_NUM_BITS_Y + 1),
-        kx * (selection_x - cursor_x),
-        ky * (CHAR_NUM_BITS_Y + 1)
-      );
-    else {
-      draw_panel(OP_XOR, color,
-        x0 + kx * cursor_x,
-        y0 + ky * cursor_y - ky * (CHAR_NUM_BITS_Y + 1),
-        kx * (num_columns - cursor_x),
-        ky * (CHAR_NUM_BITS_Y + 1)
-      );
-      for (i64 j = cursor_y + CHAR_NUM_BITS_Y + 1; j < selection_y; j += CHAR_NUM_BITS_Y + 1)
-        draw_panel(OP_XOR, color,
-          x0,
-          y0 + ky * j - ky * (CHAR_NUM_BITS_Y + 1),
-          kx * num_columns,
-          ky * (CHAR_NUM_BITS_Y + 1)
-        );
-      draw_panel(OP_XOR, color,
-        x0,
-        y0 + ky * selection_y - ky * (CHAR_NUM_BITS_Y + 1),
-        kx * selection_x,
-        ky * (CHAR_NUM_BITS_Y + 1)
-      );
-    }
-  } else
-    draw_panel(OP_XOR, color, x0 + kx * cursor_x, y0 + ky * cursor_y - ky * CHAR_NUM_BITS_Y, kx * .5, ky * (CHAR_NUM_BITS_Y - 1));
-}
+#include "../graphics.c"
 
 i32 main(i32 argc, c8 **argv) {
   (void) argc;