mirror of
https://github.com/jmcnamara/libxlsxwriter
synced 2025-03-28 21:13:14 +00:00
Added more drawing structure.
This commit is contained in:
John McNamara
parent
f1ef755a5e
commit
e6014ec27f
2
.indent.pro
vendored
2
.indent.pro
vendored
@ -56,6 +56,8 @@
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-T lxw_defined_name
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-T lxw_doc_properties
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-T lxw_drawing
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-T lxw_drawing_coords
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-T lxw_drawing_object
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-T lxw_fill
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-T lxw_font
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-T lxw_format
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@ -21,6 +21,7 @@
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#define LXW_SHEETNAME_MAX 32
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#define LXW_SHEETNAME_LEN 65
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#define LXW_UINT32_T_LEN 11 /* Length of 4294967296. */
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enum lxw_boolean {
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LXW_FALSE,
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@ -13,13 +13,66 @@
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#include "common.h"
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STAILQ_HEAD(lxw_drawing_objects, lxw_drawing_object);
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enum lxw_drawing_types {
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LXW_DRAWING_NONE = 0,
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LXW_DRAWING_IMAGE,
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LXW_DRAWING_CHART,
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LXW_DRAWING_SHAPE
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};
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enum lxw_anchor_types {
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LXW_ANCHOR_TYPE_NONE = 0,
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LXW_ANCHOR_TYPE_IMAGE,
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LXW_ANCHOR_TYPE_CHART
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};
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enum lxw_anchor_edit_types {
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LXW_ANCHOR_EDIT_AS_NONE = 0,
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LXW_ANCHOR_EDIT_AS_RELATIVE,
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LXW_ANCHOR_EDIT_AS_ONE_CELL,
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LXW_ANCHOR_EDIT_AS_ABSOLUTE
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};
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/* Coordinates used in a drawing object. */
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typedef struct lxw_drawing_coords {
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uint32_t col;
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uint32_t row;
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uint32_t col_offset;
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uint32_t row_offset;
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} lxw_drawing_coords;
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/* Object to represent the properties of a drawing. */
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typedef struct lxw_drawing_object {
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uint8_t anchor_type;
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uint8_t edit_as;
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struct lxw_drawing_coords from;
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struct lxw_drawing_coords to;
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uint32_t col_absolute;
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uint32_t row_absolute;
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uint32_t width;
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uint32_t height;
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uint8_t shape;
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char *description;
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char *url;
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char *tip;
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STAILQ_ENTRY (lxw_drawing_object) list_pointers;
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} lxw_drawing_object;
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/*
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* Struct to represent a drawing object.
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* Struct to represent a collection of drawings.
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*/
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typedef struct lxw_drawing {
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FILE *file;
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uint8_t embedded;
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struct lxw_drawing_objects *drawing_objects;
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} lxw_drawing;
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@ -32,12 +85,12 @@ extern "C" {
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lxw_drawing *_new_drawing();
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void _free_drawing(lxw_drawing *drawing);
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void _drawing_assemble_xml_file(lxw_drawing *self);
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void _free_drawing_object(struct lxw_drawing_object *drawing_object);
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/* Declarations required for unit testing. */
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#ifdef TESTING
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STATIC void _drawing_xml_declaration(lxw_drawing *self);
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#endif /* TESTING */
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/* *INDENT-OFF* */
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476
src/drawing.c
476
src/drawing.c
@ -11,6 +11,10 @@
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#include "xlsxwriter/drawing.h"
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#include "xlsxwriter/utility.h"
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#define DRAWING_SCHEMA "http://schemas.openxmlformats.org/drawingml/2006/"
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#define OFFICEDOC_SCHEMA "http://schemas.openxmlformats.org/officeDocument/2006/"
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#define PIC_NAME_LENGTH 14 /* "Picture 65536" */
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/*
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* Forward declarations.
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*/
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@ -22,7 +26,7 @@
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****************************************************************************/
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/*
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* Create a new drawing object.
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* Create a new drawing collection.
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*/
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lxw_drawing *
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_new_drawing()
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@ -30,6 +34,11 @@ _new_drawing()
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lxw_drawing *drawing = calloc(1, sizeof(lxw_drawing));
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GOTO_LABEL_ON_MEM_ERROR(drawing, mem_error);
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drawing->drawing_objects = calloc(1, sizeof(struct lxw_drawing_objects));
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GOTO_LABEL_ON_MEM_ERROR(drawing->drawing_objects, mem_error);
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STAILQ_INIT(drawing->drawing_objects);
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return drawing;
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mem_error:
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@ -41,11 +50,39 @@ mem_error:
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* Free a drawing object.
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*/
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void
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_free_drawing_object(lxw_drawing_object *drawing_object)
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{
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if (!drawing_object)
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return;
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free(drawing_object->description);
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free(drawing_object->url);
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free(drawing_object->tip);
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free(drawing_object);
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}
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/*
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* Free a drawing collection.
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*/
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void
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_free_drawing(lxw_drawing *drawing)
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{
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lxw_drawing_object *drawing_object;
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if (!drawing)
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return;
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if (drawing->drawing_objects) {
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while (!STAILQ_EMPTY(drawing->drawing_objects)) {
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drawing_object = STAILQ_FIRST(drawing->drawing_objects);
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STAILQ_REMOVE_HEAD(drawing->drawing_objects, list_pointers);
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_free_drawing_object(drawing_object);
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}
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free(drawing->drawing_objects);
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}
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free(drawing);
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}
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@ -64,6 +101,427 @@ _drawing_xml_declaration(lxw_drawing *self)
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_xml_declaration(self->file);
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}
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/*
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* Write the <xdr:wsDr> element.
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*/
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STATIC void
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_write_drawing_workspace(lxw_drawing *self)
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{
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struct xml_attribute_list attributes;
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struct xml_attribute *attribute;
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char xmlns_xdr[] = DRAWING_SCHEMA "spreadsheetDrawing";
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char xmlns_a[] = DRAWING_SCHEMA "main";
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_INIT_ATTRIBUTES();
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_PUSH_ATTRIBUTES_STR("xmlns:xdr", xmlns_xdr);
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_PUSH_ATTRIBUTES_STR("xmlns:a", xmlns_a);
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_xml_start_tag(self->file, "xdr:wsDr", &attributes);
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_FREE_ATTRIBUTES();
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}
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/*
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* Write the <xdr:col> element.
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*/
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STATIC void
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_drawing_write_col(lxw_drawing *self, char *data)
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{
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_xml_data_element(self->file, "xdr:col", data, NULL);
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}
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/*
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* Write the <xdr:colOff> element.
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*/
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STATIC void
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_drawing_write_col_off(lxw_drawing *self, char *data)
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{
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_xml_data_element(self->file, "xdr:colOff", data, NULL);
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}
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/*
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* Write the <xdr:row> element.
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*/
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STATIC void
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_drawing_write_row(lxw_drawing *self, char *data)
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{
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_xml_data_element(self->file, "xdr:row", data, NULL);
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}
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/*
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* Write the <xdr:rowOff> element.
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*/
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STATIC void
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_drawing_write_row_off(lxw_drawing *self, char *data)
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{
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_xml_data_element(self->file, "xdr:rowOff", data, NULL);
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}
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/*
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* Write the <xdr:from> element.
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*/
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STATIC void
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_drawing_write_from(lxw_drawing *self, lxw_drawing_coords *coords)
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{
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char data[LXW_UINT32_T_LEN];
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_xml_start_tag(self->file, "xdr:from", NULL);
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lxw_snprintf(data, LXW_UINT32_T_LEN, "%u", coords->col);
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_drawing_write_col(self, data);
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lxw_snprintf(data, LXW_UINT32_T_LEN, "%u", coords->col_offset);
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_drawing_write_col_off(self, data);
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lxw_snprintf(data, LXW_UINT32_T_LEN, "%u", coords->row);
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_drawing_write_row(self, data);
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lxw_snprintf(data, LXW_UINT32_T_LEN, "%u", coords->row_offset);
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_drawing_write_row_off(self, data);
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_xml_end_tag(self->file, "xdr:from");
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}
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/*
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* Write the <xdr:to> element.
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*/
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STATIC void
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_drawing_write_to(lxw_drawing *self, lxw_drawing_coords *coords)
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{
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char data[LXW_UINT32_T_LEN];
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_xml_start_tag(self->file, "xdr:to", NULL);
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lxw_snprintf(data, LXW_UINT32_T_LEN, "%u", coords->col);
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_drawing_write_col(self, data);
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lxw_snprintf(data, LXW_UINT32_T_LEN, "%u", coords->col_offset);
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_drawing_write_col_off(self, data);
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lxw_snprintf(data, LXW_UINT32_T_LEN, "%u", coords->row);
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_drawing_write_row(self, data);
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lxw_snprintf(data, LXW_UINT32_T_LEN, "%u", coords->row_offset);
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_drawing_write_row_off(self, data);
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_xml_end_tag(self->file, "xdr:to");
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}
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/*
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* Write the <xdr:cNvPr> element.
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*/
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STATIC void
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_drawing_write_c_nv_pr(lxw_drawing *self, uint16_t index,
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lxw_drawing_object *drawing_object)
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{
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struct xml_attribute_list attributes;
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struct xml_attribute *attribute;
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char name[PIC_NAME_LENGTH];
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lxw_snprintf(name, PIC_NAME_LENGTH, "Picture %d", index);
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_INIT_ATTRIBUTES();
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_PUSH_ATTRIBUTES_INT("id", index + 1);
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_PUSH_ATTRIBUTES_STR("name", name);
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_PUSH_ATTRIBUTES_STR("descr", drawing_object->description);
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_xml_empty_tag(self->file, "xdr:cNvPr", &attributes);
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_FREE_ATTRIBUTES();
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}
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/*
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* Write the <a:picLocks> element.
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*/
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STATIC void
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_drawing_write_a_pic_locks(lxw_drawing *self)
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{
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struct xml_attribute_list attributes;
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struct xml_attribute *attribute;
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_INIT_ATTRIBUTES();
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_PUSH_ATTRIBUTES_STR("noChangeAspect", "1");
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_xml_empty_tag(self->file, "a:picLocks", &attributes);
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_FREE_ATTRIBUTES();
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}
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/*
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* Write the <xdr:cNvPicPr> element.
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*/
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STATIC void
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_drawing_write_c_nv_pic_pr(lxw_drawing *self)
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{
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_xml_start_tag(self->file, "xdr:cNvPicPr", NULL);
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/* Write the a:picLocks element. */
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_drawing_write_a_pic_locks(self);
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_xml_end_tag(self->file, "xdr:cNvPicPr");
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}
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/*
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* Write the <xdr:nvPicPr> element.
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*/
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STATIC void
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_drawing_write_nv_pic_pr(lxw_drawing *self, uint16_t index,
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lxw_drawing_object *drawing_object)
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{
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_xml_start_tag(self->file, "xdr:nvPicPr", NULL);
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/* Write the xdr:cNvPr element. */
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_drawing_write_c_nv_pr(self, index, drawing_object);
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/* Write the xdr:cNvPicPr element. */
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_drawing_write_c_nv_pic_pr(self);
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_xml_end_tag(self->file, "xdr:nvPicPr");
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}
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/*
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* Write the <a:blip> element.
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*/
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STATIC void
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_drawing_write_a_blip(lxw_drawing *self, uint16_t index)
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{
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struct xml_attribute_list attributes;
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struct xml_attribute *attribute;
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char xmlns_r[] = OFFICEDOC_SCHEMA "relationships";
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char r_id[MAX_ATTRIBUTE_LENGTH];
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lxw_snprintf(r_id, ATTR_32, "rId%d", index);
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_INIT_ATTRIBUTES();
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_PUSH_ATTRIBUTES_STR("xmlns:r", xmlns_r);
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_PUSH_ATTRIBUTES_STR("r:embed", r_id);
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_xml_empty_tag(self->file, "a:blip", &attributes);
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_FREE_ATTRIBUTES();
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}
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/*
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* Write the <a:fillRect> element.
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*/
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STATIC void
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_drawing_write_a_fill_rect(lxw_drawing *self)
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{
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_xml_empty_tag(self->file, "a:fillRect", NULL);
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}
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/*
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* Write the <a:stretch> element.
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*/
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STATIC void
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_drawing_write_a_stretch(lxw_drawing *self)
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{
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_xml_start_tag(self->file, "a:stretch", NULL);
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/* Write the a:fillRect element. */
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_drawing_write_a_fill_rect(self);
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_xml_end_tag(self->file, "a:stretch");
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}
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/*
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* Write the <xdr:blipFill> element.
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*/
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STATIC void
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_drawing_write_blip_fill(lxw_drawing *self, uint16_t index)
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{
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_xml_start_tag(self->file, "xdr:blipFill", NULL);
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/* Write the a:blip element. */
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_drawing_write_a_blip(self, index);
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/* Write the a:stretch element. */
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_drawing_write_a_stretch(self);
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_xml_end_tag(self->file, "xdr:blipFill");
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}
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/*
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* Write the <a:ext> element.
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*/
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STATIC void
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_drawing_write_a_ext(lxw_drawing *self, lxw_drawing_object *drawing_object)
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{
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struct xml_attribute_list attributes;
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struct xml_attribute *attribute;
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_INIT_ATTRIBUTES();
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_PUSH_ATTRIBUTES_INT("cx", drawing_object->width);
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_PUSH_ATTRIBUTES_INT("cy", drawing_object->height);
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_xml_empty_tag(self->file, "a:ext", &attributes);
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_FREE_ATTRIBUTES();
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}
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/*
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* Write the <a:off> element.
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*/
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STATIC void
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_drawing_write_a_off(lxw_drawing *self, lxw_drawing_object *drawing_object)
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{
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struct xml_attribute_list attributes;
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struct xml_attribute *attribute;
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_INIT_ATTRIBUTES();
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_PUSH_ATTRIBUTES_INT("x", drawing_object->col_absolute);
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_PUSH_ATTRIBUTES_INT("y", drawing_object->row_absolute);
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_xml_empty_tag(self->file, "a:off", &attributes);
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_FREE_ATTRIBUTES();
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}
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/*
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* Write the <a:xfrm> element.
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*/
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STATIC void
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_drawing_write_a_xfrm(lxw_drawing *self, lxw_drawing_object *drawing_object)
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{
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_xml_start_tag(self->file, "a:xfrm", NULL);
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/* Write the a:off element. */
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_drawing_write_a_off(self, drawing_object);
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/* Write the a:ext element. */
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_drawing_write_a_ext(self, drawing_object);
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_xml_end_tag(self->file, "a:xfrm");
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}
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/*
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* Write the <a:avLst> element.
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*/
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STATIC void
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_drawing_write_a_av_lst(lxw_drawing *self)
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{
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_xml_empty_tag(self->file, "a:avLst", NULL);
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}
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/*
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* Write the <a:prstGeom> element.
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*/
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STATIC void
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_drawing_write_a_prst_geom(lxw_drawing *self)
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{
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struct xml_attribute_list attributes;
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struct xml_attribute *attribute;
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_INIT_ATTRIBUTES();
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_PUSH_ATTRIBUTES_STR("prst", "rect");
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|
||||
_xml_start_tag(self->file, "a:prstGeom", &attributes);
|
||||
|
||||
/* Write the a:avLst element. */
|
||||
_drawing_write_a_av_lst(self);
|
||||
|
||||
_xml_end_tag(self->file, "a:prstGeom");
|
||||
|
||||
_FREE_ATTRIBUTES();
|
||||
}
|
||||
|
||||
/*
|
||||
* Write the <xdr:spPr> element.
|
||||
*/
|
||||
STATIC void
|
||||
_drawing_write_sp_pr(lxw_drawing *self, lxw_drawing_object *drawing_object)
|
||||
{
|
||||
_xml_start_tag(self->file, "xdr:spPr", NULL);
|
||||
|
||||
/* Write the a:xfrm element. */
|
||||
_drawing_write_a_xfrm(self, drawing_object);
|
||||
|
||||
/* Write the a:prstGeom element. */
|
||||
_drawing_write_a_prst_geom(self);
|
||||
|
||||
_xml_end_tag(self->file, "xdr:spPr");
|
||||
}
|
||||
|
||||
/*
|
||||
* Write the <xdr:pic> element.
|
||||
*/
|
||||
STATIC void
|
||||
_drawing_write_pic(lxw_drawing *self, uint16_t index,
|
||||
lxw_drawing_object *drawing_object)
|
||||
{
|
||||
_xml_start_tag(self->file, "xdr:pic", NULL);
|
||||
|
||||
/* Write the xdr:nvPicPr element. */
|
||||
_drawing_write_nv_pic_pr(self, index, drawing_object);
|
||||
|
||||
/* Write the xdr:blipFill element. */
|
||||
_drawing_write_blip_fill(self, index);
|
||||
|
||||
/* Write the xdr:spPr element. */
|
||||
_drawing_write_sp_pr(self, drawing_object);
|
||||
|
||||
_xml_end_tag(self->file, "xdr:pic");
|
||||
}
|
||||
|
||||
/*
|
||||
* Write the <xdr:clientData> element.
|
||||
*/
|
||||
STATIC void
|
||||
_drawing_write_client_data(lxw_drawing *self)
|
||||
{
|
||||
_xml_empty_tag(self->file, "xdr:clientData", NULL);
|
||||
}
|
||||
|
||||
/*
|
||||
* Write the <xdr:twoCellAnchor> element.
|
||||
*/
|
||||
STATIC void
|
||||
_drawing_write_two_cell_anchor(lxw_drawing *self, uint16_t index,
|
||||
lxw_drawing_object *drawing_object)
|
||||
{
|
||||
struct xml_attribute_list attributes;
|
||||
struct xml_attribute *attribute;
|
||||
|
||||
_INIT_ATTRIBUTES();
|
||||
|
||||
if (drawing_object->anchor_type == LXW_ANCHOR_TYPE_IMAGE) {
|
||||
|
||||
if (drawing_object->edit_as == LXW_ANCHOR_EDIT_AS_ABSOLUTE)
|
||||
_PUSH_ATTRIBUTES_STR("editAs", "absolute");
|
||||
else if (drawing_object->edit_as != LXW_ANCHOR_EDIT_AS_RELATIVE)
|
||||
_PUSH_ATTRIBUTES_STR("editAs", "oneCell");
|
||||
}
|
||||
|
||||
_xml_start_tag(self->file, "xdr:twoCellAnchor", &attributes);
|
||||
|
||||
_drawing_write_from(self, &drawing_object->from);
|
||||
_drawing_write_to(self, &drawing_object->to);
|
||||
|
||||
if (drawing_object->anchor_type == LXW_ANCHOR_TYPE_CHART) {
|
||||
/* Graphic frame. */
|
||||
/* Write the xdr:graphicFrame element for charts. */
|
||||
/*_drawing_write_graphic_frame(self, index, description); */
|
||||
}
|
||||
else if (drawing_object->anchor_type == LXW_ANCHOR_TYPE_IMAGE) {
|
||||
/* Write the xdr:pic element. */
|
||||
_drawing_write_pic(self, index, drawing_object);
|
||||
}
|
||||
else {
|
||||
/* Write the xdr:sp element for shapes. */
|
||||
/* _drawing_write_sp(self, index, col_absolute, row_absolute, width,
|
||||
height, shape); */
|
||||
}
|
||||
|
||||
/* Write the xdr:clientData element. */
|
||||
_drawing_write_client_data(self);
|
||||
|
||||
_xml_end_tag(self->file, "xdr:twoCellAnchor");
|
||||
|
||||
_FREE_ATTRIBUTES();
|
||||
}
|
||||
|
||||
/*****************************************************************************
|
||||
*
|
||||
* XML file assembly functions.
|
||||
@ -76,9 +534,25 @@ _drawing_xml_declaration(lxw_drawing *self)
|
||||
void
|
||||
_drawing_assemble_xml_file(lxw_drawing *self)
|
||||
{
|
||||
uint16_t index;
|
||||
lxw_drawing_object *drawing_object;
|
||||
|
||||
/* Write the XML declaration. */
|
||||
_drawing_xml_declaration(self);
|
||||
|
||||
/* Write the xdr:wsDr element. */
|
||||
_write_drawing_workspace(self);
|
||||
|
||||
if (self->embedded) {
|
||||
index = 1;
|
||||
|
||||
STAILQ_FOREACH(drawing_object, self->drawing_objects, list_pointers) {
|
||||
_drawing_write_two_cell_anchor(self, index, drawing_object);
|
||||
index++;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
_xml_end_tag(self->file, "xdr:wsDr");
|
||||
}
|
||||
|
||||
|
||||
Loading…
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Reference in New Issue
Block a user