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ESC/P 2: 9-bit graphics mode (9-pin ESC/P)

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This commit is contained in:
Lili1228
2026-01-31 16:26:06 +01:00
parent c850beccc9
commit 397120b282
1 changed files with 95 additions and 19 deletions
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114
src/printer/prt_escp.c
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@@ -623,47 +623,67 @@ setup_bit_image(escp_t *dev, uint8_t density, uint16_t num_columns)
switch (density) {
case 0:
dev->bg_h_density = 60;
dev->bg_v_density = 60;
dev->bg_v_density = dev->lang >= LANG_ESCP ? 60 : 72;
dev->bg_adjacent = 1;
dev->bg_bytes_per_column = 1;
break;
case 1:
dev->bg_h_density = 120;
dev->bg_v_density = 60;
dev->bg_v_density = dev->lang >= LANG_ESCP ? 60 : 72;
dev->bg_adjacent = 1;
dev->bg_bytes_per_column = 1;
break;
case 2:
dev->bg_h_density = 120;
dev->bg_v_density = 60;
dev->bg_v_density = dev->lang >= LANG_ESCP ? 60 : 72;
dev->bg_adjacent = 0;
dev->bg_bytes_per_column = 1;
break;
case 3:
dev->bg_h_density = 60;
dev->bg_v_density = 240;
dev->bg_h_density = 240;
dev->bg_v_density = dev->lang >= LANG_ESCP ? 60 : 72;
dev->bg_adjacent = 0;
dev->bg_bytes_per_column = 1;
break;
case 4:
dev->bg_h_density = 80;
dev->bg_v_density = 60;
dev->bg_v_density = dev->lang >= LANG_ESCP ? 60 : 72;
dev->bg_adjacent = 1;
dev->bg_bytes_per_column = 1;
break;
case 5:
if (dev->lang >= LANG_ESCP)
break;
dev->bg_h_density = 72;
dev->bg_v_density = 72;
dev->bg_adjacent = 1;
dev->bg_bytes_per_column = 1;
break;
case 6:
dev->bg_h_density = 90;
dev->bg_v_density = 60;
dev->bg_v_density = dev->lang >= LANG_ESCP ? 60 : 72;
dev->bg_adjacent = 1;
dev->bg_bytes_per_column = 1;
break;
case 7:
if (dev->lang >= LANG_ESCP)
break;
dev->bg_h_density = 144;
dev->bg_v_density = 72;
dev->bg_adjacent = 1;
dev->bg_bytes_per_column = 1;
break;
case 32:
if (dev->lang < LANG_ESCP)
break;
dev->bg_h_density = 60;
dev->bg_v_density = 180;
dev->bg_adjacent = 1;
@@ -671,6 +691,8 @@ setup_bit_image(escp_t *dev, uint8_t density, uint16_t num_columns)
break;
case 33:
if (dev->lang < LANG_ESCP)
break;
dev->bg_h_density = 120;
dev->bg_v_density = 180;
dev->bg_adjacent = 1;
@@ -678,6 +700,8 @@ setup_bit_image(escp_t *dev, uint8_t density, uint16_t num_columns)
break;
case 38:
if (dev->lang < LANG_ESCP)
break;
dev->bg_h_density = 90;
dev->bg_v_density = 180;
dev->bg_adjacent = 1;
@@ -685,6 +709,8 @@ setup_bit_image(escp_t *dev, uint8_t density, uint16_t num_columns)
break;
case 39:
if (dev->lang < LANG_ESCP)
break;
dev->bg_h_density = 180;
dev->bg_v_density = 180;
dev->bg_adjacent = 1;
@@ -692,6 +718,8 @@ setup_bit_image(escp_t *dev, uint8_t density, uint16_t num_columns)
break;
case 40:
if (dev->lang < LANG_ESCP)
break;
dev->bg_h_density = 360;
dev->bg_v_density = 180;
dev->bg_adjacent = 0;
@@ -699,6 +727,8 @@ setup_bit_image(escp_t *dev, uint8_t density, uint16_t num_columns)
break;
case 71:
if (dev->lang < LANG_ESCP)
break;
dev->bg_h_density = 180;
dev->bg_v_density = 360;
dev->bg_adjacent = 1;
@@ -706,6 +736,8 @@ setup_bit_image(escp_t *dev, uint8_t density, uint16_t num_columns)
break;
case 72:
if (dev->lang < LANG_ESCP)
break;
dev->bg_h_density = 360;
dev->bg_v_density = 360;
dev->bg_adjacent = 0;
@@ -713,12 +745,32 @@ setup_bit_image(escp_t *dev, uint8_t density, uint16_t num_columns)
break;
case 73:
if (dev->lang < LANG_ESCP2)
break;
dev->bg_h_density = 360;
dev->bg_v_density = 360;
dev->bg_adjacent = 1;
dev->bg_bytes_per_column = 6;
break;
case 254:
if (dev->lang >= LANG_ESCP)
break;
dev->bg_h_density = 120;
dev->bg_v_density = 72;
dev->bg_adjacent = 1;
dev->bg_bytes_per_column = 2;
break;
case 255:
if (dev->lang >= LANG_ESCP)
break;
dev->bg_h_density = 60;
dev->bg_v_density = 72;
dev->bg_adjacent = 1;
dev->bg_bytes_per_column = 2;
break;
default:
escp_log("ESC/P: Unsupported bit image density %d.\n", density);
break;
@@ -758,14 +810,11 @@ process_char(escp_t *dev, uint8_t ch)
case 0x0f: // Select condensed printing (ESC SI)
case '#': // Cancel MSB control
case '0': // Select 1/8-inch line spacing
case '1': // Select 7/60-inch line spacing
case '2': // Select 1/6-inch line spacing
case '4': // Select italic font
case '5': // Cancel italic font
case '6': // Enable printing of upper control codes
case '7': // Enable upper control codes
case '8': // Disable paper-out detector
case '9': // Enable paper-out detector
case '<': // Unidirectional mode (one line)
case '=': // Set MSB to 0
case '>': // Set MSB to 1
@@ -778,7 +827,6 @@ process_char(escp_t *dev, uint8_t ch)
case 'O': // Cancel bottom margin
case 'P': // Select 10.5-point, 10-cpi
case 'T': // Cancel superscript/subscript printing
case '^': // Enable printing of all character codes on next character
dev->esc_parms_req = 0;
break;
case 'g': // Select 10.5-point, 15-cpi
@@ -788,6 +836,15 @@ process_char(escp_t *dev, uint8_t ch)
return 1;
}
break;
case '1': // Select 7/72-inch line spacing
case '8': // Disable paper-out detector
case '9': // Enable paper-out detector
dev->esc_parms_req = 0;
if (dev->lang >= LANG_ESCP) {
dev->esc_pending = 0;
return 1;
}
break;
case 0x0a: // Reverse line feed (IBM's ESC LF)
case 0x0c: // Return to top of current page (IBM's ESC FF)
case 0x834: // Select italic font (FS 4) (= ESC 4)
@@ -903,6 +960,16 @@ process_char(escp_t *dev, uint8_t ch)
dev->esc_pending = 0;
return 1;
}
case '^': /* 9-pin ESC/P: Select 60/120-dpi, 9-bit graphics
IBM: Enable printing of all character codes on next character */
if (dev->lang <= LANG_9PIN)
dev->esc_parms_req = 3;
else {
dev->esc_parms_req = 0;
if (dev->lang == LANG_ESCP)
dev->esc_pending = 0;
}
break;
case '*': // Select bit image
dev->esc_parms_req = 3;
break;
@@ -1168,8 +1235,8 @@ process_char(escp_t *dev, uint8_t ch)
dev->linespacing = 1.0 / 8.0;
break;
case '1': /* select 7/60-inch line spacing */
dev->linespacing = 7.0 / 60.0;
case '1': /* select 7/72-inch line spacing */
dev->linespacing = 7.0 / 72.0;
break;
case '2': /* select 1/6-inch line spacing */
@@ -1212,6 +1279,14 @@ process_char(escp_t *dev, uint8_t ch)
break;
case '?': /* reassign bit-image mode */
if ((dev->esc_parms[1] == 3 || dev->esc_parms[1] == 5) && dev->lang >= LANG_ESCP)
break;
if (dev->esc_parms[1] > 7) {
if (dev->lang < LANG_ESCP)
break;
if (dev->esc_parms[1] > 40 && dev->lang < LANG_ESCP2)
break;
}
if (dev->esc_parms[0] == 'K')
dev->density_k = dev->esc_parms[1];
if (dev->esc_parms[0] == 'L')
@@ -1267,12 +1342,10 @@ process_char(escp_t *dev, uint8_t ch)
break;
case 'K': /* select 60-dpi graphics */
/* TODO: graphics stuff */
setup_bit_image(dev, dev->density_k, PARAM16(0));
break;
case 'L': /* select 120-dpi graphics */
/* TODO: graphics stuff */
setup_bit_image(dev, dev->density_l, PARAM16(0));
break;
@@ -1375,12 +1448,10 @@ process_char(escp_t *dev, uint8_t ch)
break;
case 'Y': /* select 120-dpi, double-speed graphics */
/* TODO: graphics stuff */
setup_bit_image(dev, dev->density_y, PARAM16(0));
break;
case 'Z': /* select 240-dpi graphics */
/* TODO: graphics stuff */
setup_bit_image(dev, dev->density_z, PARAM16(0));
break;
@@ -1392,6 +1463,10 @@ process_char(escp_t *dev, uint8_t ch)
dev->curr_x += ((double) rel_move / unit_size);
break;
case '^': // Select 60/120-dpi, 9-pin graphics)
setup_bit_image(dev, 255 - dev->esc_parms[0], PARAM16(0));
break;
case 'a': /* select justification */
/* Ignore. */
break;
@@ -1414,8 +1489,7 @@ process_char(escp_t *dev, uint8_t ch)
break;
case 'j': // Reverse paper feed (ESC j)
reverse = (double) PARAM16(0) / (double) 216.0;
reverse = dev->curr_y - reverse;
reverse = dev->curr_y - (double) PARAM16(0) / (double) 216.0;
if (reverse < dev->left_margin)
dev->curr_y = dev->left_margin;
else
@@ -1827,6 +1901,8 @@ print_bit_graph(escp_t *dev, uint8_t ch)
for (uint8_t i = 0; i < dev->bg_bytes_per_column; i++) {
/* for each byte */
for (uint8_t j = 128; j != 0; j >>= 1) {
if (dev->bg_v_density == 72 && i == 1 && j != 128) // 9-bit mode from ESC ^
break;
/* for each bit */
if (dev->bg_column[i] & j) {
/* draw a "pixel" */