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emf2svg_rec_clipping.c
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emf2svg_rec_clipping.c
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#ifdef __cplusplus
extern "C" {
#endif
#ifndef DARWIN
#define _POSIX_C_SOURCE 200809L
#endif
#include "emf2svg_private.h"
#include "emf2svg_print.h"
#include <stdio.h>
// FIXME see emf2svg_clip_utils.c (clipping region AND/OR/XOR... not handle)
void U_EMREXCLUDECLIPRECT_draw(const char *contents, FILE *out,
drawingStates *states) {
FLAG_PARTIAL;
if (states->verbose) {
U_EMREXCLUDECLIPRECT_print(contents, states);
}
PU_EMRELLIPSE pEmr = (PU_EMRELLIPSE)(contents);
U_RECTL rect = pEmr->rclBox;
U_POINT pt;
PATH *new_path = NULL;
add_new_seg(&new_path, SEG_MOVE);
pt.x = rect.left;
pt.y = rect.top;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_LINE);
pt.x = rect.right;
pt.y = rect.top;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_LINE);
pt.x = rect.right;
pt.y = rect.bottom;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_LINE);
pt.x = rect.left;
pt.y = rect.bottom;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_LINE);
pt.x = rect.left;
pt.y = rect.top;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_END);
clip_rgn_mix(states, new_path, U_RGN_DIFF);
free_path(&new_path);
clip_rgn_draw(states, out);
}
void U_EMREXTSELECTCLIPRGN_draw(const char *contents, FILE *out,
drawingStates *states) {
FLAG_PARTIAL;
if (states->verbose) {
U_EMREXTSELECTCLIPRGN_print(contents, states);
}
PU_EMREXTSELECTCLIPRGN pEmr = (PU_EMREXTSELECTCLIPRGN)(contents);
if (pEmr->iMode == U_RGN_COPY) {
free_path(&(states->currentDeviceContext.clipRGN));
states->currentDeviceContext.clipID = 0;
return;
}
}
void U_EMRINTERSECTCLIPRECT_draw(const char *contents, FILE *out,
drawingStates *states) {
FLAG_PARTIAL;
if (states->verbose) {
U_EMRINTERSECTCLIPRECT_print(contents, states);
}
PU_EMRELLIPSE pEmr = (PU_EMRELLIPSE)(contents);
U_RECTL rect = pEmr->rclBox;
U_POINT pt;
PATH *new_path = NULL;
add_new_seg(&new_path, SEG_MOVE);
pt.x = rect.left;
pt.y = rect.top;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_LINE);
pt.x = rect.right;
pt.y = rect.top;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_LINE);
pt.x = rect.right;
pt.y = rect.bottom;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_LINE);
pt.x = rect.left;
pt.y = rect.bottom;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_LINE);
pt.x = rect.left;
pt.y = rect.top;
new_path->last->section.points[0] = point_s(states, pt);
add_new_seg(&new_path, SEG_END);
clip_rgn_mix(states, new_path, U_RGN_AND);
free_path(&new_path);
clip_rgn_draw(states, out);
}
void U_EMROFFSETCLIPRGN_draw(const char *contents, FILE *out,
drawingStates *states) {
FLAG_PARTIAL;
if (states->verbose) {
U_EMROFFSETCLIPRGN_print(contents, states);
}
PU_EMROFFSETCLIPRGN pEmr = (PU_EMROFFSETCLIPRGN)(contents);
offset_path(states->currentDeviceContext.clipRGN,
point_s(states, pEmr->ptlOffset));
clip_rgn_draw(states, out);
}
void U_EMRSELECTCLIPPATH_draw(const char *contents, FILE *out,
drawingStates *states) {
FLAG_PARTIAL;
if (states->verbose) {
U_EMRSELECTCLIPPATH_print(contents, states);
}
PU_EMRSELECTCLIPPATH pEmr = (PU_EMRSELECTCLIPPATH)(contents);
clip_rgn_mix(states, states->currentPath, pEmr->iMode);
clip_rgn_draw(states, out);
}
#ifdef __cplusplus
}
#endif
/* vim:set shiftwidth=2 softtabstop=2 expandtab: */