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Fix snapping not working with rotation/scale

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This commit is contained in:
Jason Francis 2019-08-23 18:18:25 -04:00
parent 53d52f0fe3
commit e0f382af84
1 changed files with 25 additions and 5 deletions
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30
src/main.c
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@ -368,6 +368,8 @@ static unsigned form_get_rotation(GtkWidget *form) {
return -1;
}
#define SWAP(_type, _a, _b) { _type _tmp = (_a); (_a) = (_b); (_b) = _tmp; }
static void queue_canvas_draw(struct wd_state *state) {
GtkStyleContext *style_ctx = gtk_widget_get_style_context(state->canvas);
color_to_float_array(style_ctx,
@ -402,9 +404,7 @@ static void queue_canvas_draw(struct wd_state *state) {
struct wd_render_head_data *render = head->render;
render->queued.rotation = form_get_rotation(GTK_WIDGET(form_iter->data));
if (render->queued.rotation & 1) {
int tmp = w;
w = h;
h = tmp;
SWAP(int, w, h);
}
render->queued.x_invert = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(gtk_builder_get_object(builder, "flipped")));
render->x1 = floor(x * state->zoom - state->render.scroll_x - state->render.x_origin);
@ -1002,6 +1002,15 @@ static gboolean canvas_motion(GtkWidget *widget, GdkEvent *event,
.x = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "width"))),
.y = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "height"))),
};
double scale = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(builder, "scale")));
if (scale > 0.) {
size.x /= scale;
size.y /= scale;
}
unsigned rot = form_get_rotation(form);
if (rot & 1) {
SWAP(int, size.x, size.y);
}
struct wd_point tl = {
.x = (event->motion.x - state->click_offset.x
+ state->render.x_origin + state->render.scroll_x) / state->zoom,
@ -1021,8 +1030,19 @@ static gboolean canvas_motion(GtkWidget *widget, GdkEvent *event,
GtkBuilder *other_builder = GTK_BUILDER(g_object_get_data(G_OBJECT(form_iter->data), "builder"));
double x1 = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(other_builder, "pos_x")));
double y1 = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(other_builder, "pos_y")));
double x2 = x1 + gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(other_builder, "width")));
double y2 = y1 + gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(other_builder, "height")));
double w = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(other_builder, "width")));
double h = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(other_builder, "height")));
scale = gtk_spin_button_get_value(GTK_SPIN_BUTTON(gtk_builder_get_object(other_builder, "scale")));
if (scale > 0.) {
w /= scale;
h /= scale;
}
rot = form_get_rotation(GTK_WIDGET(form_iter->data));
if (rot & 1) {
SWAP(int, w, h);
}
double x2 = x1 + w;
double y2 = y1 + h;
if (fabs(br.x) <= snap)
new_pos.x = -size.x;
if (fabs(br.y) <= snap)