1 /*
2 * Copyright (C) 2016 The Android Open Source Project
3 * Copyright (C) 2016 Mopria Alliance, Inc.
4 * Copyright (C) 2013 Hewlett-Packard Development Company, L.P.
5 *
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19 #include <math.h>
20 #include "lib_printable_area.h"
21 #include "wprint_debug.h"
22 #include "../plugins/media.h"
23
24 #define TAG "printable_area"
25
printable_area_get(wprint_job_params_t * job_params,float top_margin,float left_margin,float right_margin,float bottom_margin)26 void printable_area_get(wprint_job_params_t *job_params, float top_margin, float left_margin,
27 float right_margin, float bottom_margin) {
28 if (job_params == NULL) return;
29
30 job_params->printable_area_width = job_params->printable_area_height = 0.0f;
31 job_params->width = job_params->height = 0.0f;
32 job_params->page_top_margin = job_params->page_bottom_margin = 0.0f;
33 job_params->page_right_margin = job_params->page_left_margin = 0.0f;
34
35 job_params->page_width = 0.0f;
36 job_params->page_height = 0.0f;
37 int i;
38 for (i = 0; i < SUPPORTED_MEDIA_SIZE_COUNT; i++) {
39 if (job_params->media_size == SupportedMediaSizes[i].media_size) {
40 job_params->page_width = SupportedMediaSizes[i].WidthInInches / 1000;
41 job_params->page_height = SupportedMediaSizes[i].HeightInInches / 1000;
42 }
43 }
44 // don't adjust for margins if job is PCLm. dimensions of image will not
45 // match (will be bigger than) the dimensions of the page size and a corrupt image will render
46 // in genPCLm
47 if (job_params->pcl_type == PCLm) {
48 job_params->printable_area_width = (unsigned int) _MI_TO_PIXELS(
49 job_params->page_width * 1000, job_params->pixel_units);
50 job_params->printable_area_height = (unsigned int) _MI_TO_PIXELS(
51 job_params->page_height * 1000, job_params->pixel_units);
52 } else {
53 job_params->printable_area_width = (unsigned int) floorf(((job_params->page_width -
54 (left_margin + right_margin)) * (float)job_params->pixel_units));
55 job_params->printable_area_height = (unsigned int) floorf(((job_params->page_height -
56 (top_margin + bottom_margin)) * (float)job_params->pixel_units));
57 }
58
59 job_params->page_top_margin = top_margin;
60 job_params->page_left_margin = left_margin;
61 job_params->page_right_margin = right_margin;
62 job_params->page_bottom_margin = bottom_margin;
63
64 if (!job_params->borderless) {
65 if (job_params->job_top_margin > top_margin) {
66 job_params->print_top_margin = floorf(
67 ((job_params->job_top_margin - top_margin) * (float) job_params->pixel_units));
68 } else {
69 job_params->print_top_margin = floorf(((top_margin) * (float) job_params->pixel_units));
70 }
71 if (job_params->job_left_margin > left_margin) {
72 job_params->print_left_margin = floorf(((job_params->job_left_margin - left_margin) *
73 (float) job_params->pixel_units));
74 } else {
75 job_params->print_left_margin = floorf(
76 ((left_margin) * (float) job_params->pixel_units));
77 }
78 if (job_params->job_right_margin > right_margin) {
79 job_params->print_right_margin = floorf(((job_params->job_right_margin - right_margin) *
80 (float) job_params->pixel_units));
81 } else {
82 job_params->print_right_margin = floorf(
83 ((right_margin) * (float) job_params->pixel_units));
84 }
85 if (job_params->job_bottom_margin > bottom_margin) {
86 job_params->print_bottom_margin = floorf(
87 ((job_params->job_bottom_margin - bottom_margin) *
88 (float) job_params->pixel_units));
89 } else {
90 job_params->print_bottom_margin = floorf(
91 ((bottom_margin) * (float) job_params->pixel_units));
92 }
93 }
94
95 job_params->width = (job_params->printable_area_width -
96 (job_params->print_left_margin + job_params->print_right_margin));
97 job_params->height = (job_params->printable_area_height -
98 (job_params->print_top_margin + job_params->print_bottom_margin));
99 }
100
printable_area_get_default_margins(const wprint_job_params_t * job_params,const printer_capabilities_t * printer_cap,float * top_margin,float * left_margin,float * right_margin,float * bottom_margin)101 void printable_area_get_default_margins(const wprint_job_params_t *job_params,
102 const printer_capabilities_t *printer_cap,
103 float *top_margin,
104 float *left_margin, float *right_margin,
105 float *bottom_margin) {
106 if ((job_params == NULL) || (printer_cap == NULL)) {
107 return;
108 }
109
110 bool useDefaultMargins = true;
111
112 if (job_params->borderless) {
113 useDefaultMargins = false;
114 switch (job_params->pcl_type) {
115 case PCLm:
116 case PCLPWG:
117 *top_margin = 0.0f;
118 *left_margin = 0.0f;
119 *right_margin = 0.0f;
120 *bottom_margin = 0.00f;
121 break;
122 default:
123 *top_margin = -0.065f;
124 *left_margin = -0.10f;
125 *right_margin = -0.118f;
126 *bottom_margin = -0.10f;
127 break;
128 }
129 } else {
130 switch (job_params->pcl_type) {
131 case PCLm:
132 *top_margin = (float) printer_cap->printerTopMargin / 2540;
133 *bottom_margin = (float) printer_cap->printerBottomMargin / 2540;
134 *left_margin = (float) printer_cap->printerLeftMargin / 2540;
135 *right_margin = (float) printer_cap->printerRightMargin / 2540;
136 useDefaultMargins = false;
137 break;
138 case PCLPWG:
139 *top_margin = 0.0f;
140 *left_margin = 0.0f;
141 *right_margin = 0.0f;
142 *bottom_margin = 0.00f;
143 useDefaultMargins = false;
144 break;
145 default:
146 break;
147 }
148 }
149
150 if (useDefaultMargins) {
151 if (!printer_cap->inkjet) {
152 // default laser margins
153 *top_margin = 0.2f;
154 *left_margin = 0.25f;
155 *right_margin = 0.25f;
156 *bottom_margin = 0.2f;
157 } else {
158 // default inkjet margins
159 *top_margin = 0.125f;
160 *left_margin = 0.125f;
161 *right_margin = 0.125f;
162 if ((job_params->duplex != DUPLEX_MODE_NONE) || !printer_cap->borderless) {
163 *bottom_margin = 0.5f;
164 } else {
165 *bottom_margin = 0.125f;
166 }
167 }
168 }
169
170 LOGD("printable_area_get_default_margins(): top_margin=%f, left_margin=%f, "
171 "right_margin=%f, bottom_margin=%f", *top_margin, *left_margin, *right_margin,
172 *bottom_margin);
173 }