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-rw-r--r--src/common-context.cpp164
1 files changed, 90 insertions, 74 deletions
diff --git a/src/common-context.cpp b/src/common-context.cpp
index 5ccbaaf5a..e6b82cf82 100644
--- a/src/common-context.cpp
+++ b/src/common-context.cpp
@@ -9,6 +9,7 @@
#include "streq.h"
#include "preferences.h"
#include "display/sp-canvas-item.h"
+#include "desktop.h"
#define MIN_PRESSURE 0.0
#define MAX_PRESSURE 1.0
@@ -19,130 +20,145 @@
#define DRAG_MAX 1.0
SPCommonContext::SPCommonContext() : SPEventContext() {
- SPCommonContext* ctx = this;
-
- ctx->_message_context = 0;
- ctx->tremor = 0;
- ctx->usetilt = 0;
- ctx->is_drawing = false;
- ctx->xtilt = 0;
- ctx->ytilt = 0;
- ctx->usepressure = 0;
+ this->_message_context = 0;
+ this->tremor = 0;
+ this->usetilt = 0;
+ this->is_drawing = false;
+ this->xtilt = 0;
+ this->ytilt = 0;
+ this->usepressure = 0;
// ctx->cursor_shape = cursor_eraser_xpm;
// ctx->hot_x = 4;
// ctx->hot_y = 4;
- ctx->accumulated = 0;
- ctx->segments = 0;
- ctx->currentcurve = 0;
- ctx->currentshape = 0;
- ctx->npoints = 0;
- ctx->cal1 = 0;
- ctx->cal2 = 0;
- ctx->repr = 0;
+ this->accumulated = 0;
+ this->segments = 0;
+ this->currentcurve = 0;
+ this->currentshape = 0;
+ this->npoints = 0;
+ this->cal1 = 0;
+ this->cal2 = 0;
+ this->repr = 0;
/* Common values */
- ctx->cur = Geom::Point(0,0);
- ctx->last = Geom::Point(0,0);
- ctx->vel = Geom::Point(0,0);
- ctx->vel_max = 0;
- ctx->acc = Geom::Point(0,0);
- ctx->ang = Geom::Point(0,0);
- ctx->del = Geom::Point(0,0);
+ this->cur = Geom::Point(0,0);
+ this->last = Geom::Point(0,0);
+ this->vel = Geom::Point(0,0);
+ this->vel_max = 0;
+ this->acc = Geom::Point(0,0);
+ this->ang = Geom::Point(0,0);
+ this->del = Geom::Point(0,0);
/* attributes */
- ctx->dragging = FALSE;
+ this->dragging = FALSE;
- ctx->mass = 0.3;
- ctx->drag = DRAG_DEFAULT;
- ctx->angle = 30.0;
- ctx->width = 0.2;
- ctx->pressure = DEFAULT_PRESSURE;
+ this->mass = 0.3;
+ this->drag = DRAG_DEFAULT;
+ this->angle = 30.0;
+ this->width = 0.2;
+ this->pressure = DEFAULT_PRESSURE;
- ctx->vel_thin = 0.1;
- ctx->flatness = 0.9;
- ctx->cap_rounding = 0.0;
+ this->vel_thin = 0.1;
+ this->flatness = 0.9;
+ this->cap_rounding = 0.0;
- ctx->abs_width = false;
+ this->abs_width = false;
}
SPCommonContext::~SPCommonContext() {
- SPCommonContext *ctx = SP_COMMON_CONTEXT(this);
-
- if (ctx->accumulated) {
- ctx->accumulated = ctx->accumulated->unref();
- ctx->accumulated = 0;
+ if (this->accumulated) {
+ this->accumulated = this->accumulated->unref();
+ this->accumulated = 0;
}
- while (ctx->segments) {
- sp_canvas_item_destroy(SP_CANVAS_ITEM(ctx->segments->data));
- ctx->segments = g_slist_remove(ctx->segments, ctx->segments->data);
+ while (this->segments) {
+ sp_canvas_item_destroy(SP_CANVAS_ITEM(this->segments->data));
+ this->segments = g_slist_remove(this->segments, this->segments->data);
}
- if (ctx->currentcurve) {
- ctx->currentcurve = ctx->currentcurve->unref();
- ctx->currentcurve = 0;
+ if (this->currentcurve) {
+ this->currentcurve = this->currentcurve->unref();
+ this->currentcurve = 0;
}
- if (ctx->cal1) {
- ctx->cal1 = ctx->cal1->unref();
- ctx->cal1 = 0;
+
+ if (this->cal1) {
+ this->cal1 = this->cal1->unref();
+ this->cal1 = 0;
}
- if (ctx->cal2) {
- ctx->cal2 = ctx->cal2->unref();
- ctx->cal2 = 0;
+
+ if (this->cal2) {
+ this->cal2 = this->cal2->unref();
+ this->cal2 = 0;
}
- if (ctx->currentshape) {
- sp_canvas_item_destroy(ctx->currentshape);
- ctx->currentshape = 0;
+ if (this->currentshape) {
+ sp_canvas_item_destroy(this->currentshape);
+ this->currentshape = 0;
}
- if (ctx->_message_context) {
- delete ctx->_message_context;
- ctx->_message_context = 0;
+ if (this->_message_context) {
+ delete this->_message_context;
+ this->_message_context = 0;
}
//G_OBJECT_CLASS(sp_common_context_parent_class)->dispose(object);
}
void SPCommonContext::set(const Inkscape::Preferences::Entry& value) {
- SPEventContext* ec = this;
-
- SPCommonContext *ctx = SP_COMMON_CONTEXT(ec);
Glib::ustring path = value.getEntryName();
// ignore preset modifications
- static Glib::ustring const presets_path = ec->pref_observer->observed_path + "/preset";
+ static Glib::ustring const presets_path = this->pref_observer->observed_path + "/preset";
Glib::ustring const &full_path = value.getPath();
- if (full_path.compare(0, presets_path.size(), presets_path) == 0) return;
+
+ if (full_path.compare(0, presets_path.size(), presets_path) == 0) {
+ return;
+ }
if (path == "mass") {
- ctx->mass = 0.01 * CLAMP(value.getInt(10), 0, 100);
+ this->mass = 0.01 * CLAMP(value.getInt(10), 0, 100);
} else if (path == "wiggle") {
- ctx->drag = CLAMP((1 - 0.01 * value.getInt()),
- DRAG_MIN, DRAG_MAX); // drag is inverse to wiggle
+ this->drag = CLAMP((1 - 0.01 * value.getInt()), DRAG_MIN, DRAG_MAX); // drag is inverse to wiggle
} else if (path == "angle") {
- ctx->angle = CLAMP(value.getDouble(), -90, 90);
+ this->angle = CLAMP(value.getDouble(), -90, 90);
} else if (path == "width") {
- ctx->width = 0.01 * CLAMP(value.getInt(10), 1, 100);
+ this->width = 0.01 * CLAMP(value.getInt(10), 1, 100);
} else if (path == "thinning") {
- ctx->vel_thin = 0.01 * CLAMP(value.getInt(10), -100, 100);
+ this->vel_thin = 0.01 * CLAMP(value.getInt(10), -100, 100);
} else if (path == "tremor") {
- ctx->tremor = 0.01 * CLAMP(value.getInt(), 0, 100);
+ this->tremor = 0.01 * CLAMP(value.getInt(), 0, 100);
} else if (path == "flatness") {
- ctx->flatness = 0.01 * CLAMP(value.getInt(), 0, 100);
+ this->flatness = 0.01 * CLAMP(value.getInt(), 0, 100);
} else if (path == "usepressure") {
- ctx->usepressure = value.getBool();
+ this->usepressure = value.getBool();
} else if (path == "usetilt") {
- ctx->usetilt = value.getBool();
+ this->usetilt = value.getBool();
} else if (path == "abs_width") {
- ctx->abs_width = value.getBool();
+ this->abs_width = value.getBool();
} else if (path == "cap_rounding") {
- ctx->cap_rounding = value.getDouble();
+ this->cap_rounding = value.getDouble();
}
}
+/* Get normalized point */
+Geom::Point SPCommonContext::getNormalizedPoint(Geom::Point v) const {
+ Geom::Rect drect = this->desktop->get_display_area();
+
+ double const max = MAX ( drect.dimensions()[Geom::X], drect.dimensions()[Geom::Y] );
+
+ return Geom::Point(( v[Geom::X] - drect.min()[Geom::X] ) / max, ( v[Geom::Y] - drect.min()[Geom::Y] ) / max);
+}
+
+/* Get view point */
+Geom::Point SPCommonContext::getViewPoint(Geom::Point n) const {
+ Geom::Rect drect = this->desktop->get_display_area();
+
+ double const max = MAX ( drect.dimensions()[Geom::X], drect.dimensions()[Geom::Y] );
+
+ return Geom::Point(n[Geom::X] * max + drect.min()[Geom::X], n[Geom::Y] * max + drect.min()[Geom::Y]);
+}
+
/*
Local Variables:
mode:c++
generated by cgit v1.2.3 (git 2.25.1) at 2026-05-19 12:12:10 +0000