[PATCH weston 2/2] Move zoom code to its own file.
Scott Moreau
oreaus at gmail.com
Sun Jun 17 17:10:59 PDT 2012
---
There's enough code to warrant zoom.c now.
src/Makefile.am | 1 +
src/compositor.c | 240 +------------------------------------------------
src/compositor.h | 2 +
src/zoom.c | 267 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
4 files changed, 271 insertions(+), 239 deletions(-)
create mode 100644 src/zoom.c
diff --git a/src/Makefile.am b/src/Makefile.am
index 8b633f3..6bf7b2b 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -25,6 +25,7 @@ weston_SOURCES = \
text-cursor-position.c \
text-cursor-position-protocol.c \
text-cursor-position-server-protocol.h \
+ zoom.c \
util.c \
matrix.c \
matrix.h \
diff --git a/src/compositor.c b/src/compositor.c
index e550926..d40a878 100644
--- a/src/compositor.c
+++ b/src/compositor.c
@@ -2768,230 +2768,6 @@ weston_output_destroy(struct weston_output *output)
}
WL_EXPORT void
-weston_text_cursor_position_notify(struct weston_surface *surface,
- wl_fixed_t cur_pos_x,
- wl_fixed_t cur_pos_y)
-{
- struct weston_output *output;
- wl_fixed_t global_x, global_y;
-
- weston_surface_to_global_fixed(surface, cur_pos_x, cur_pos_y,
- &global_x, &global_y);
-
- wl_list_for_each(output, &surface->compositor->output_list, link)
- if (output->zoom.active &&
- pixman_region32_contains_point(&output->region,
- wl_fixed_to_int(global_x),
- wl_fixed_to_int(global_y),
- NULL)) {
- output->zoom.text_cursor.x = global_x;
- output->zoom.text_cursor.y = global_y;
- weston_output_update_zoom(output, ZOOM_FOCUS_TEXT);
- }
-}
-
-static void
-weston_zoom_frame_z(struct weston_animation *animation,
- struct weston_output *output, uint32_t msecs)
-{
- if (animation->frame_counter <= 1)
- output->zoom.spring_z.timestamp = msecs;
-
- weston_spring_update(&output->zoom.spring_z, msecs);
-
- if (output->zoom.spring_z.current > output->zoom.max_level)
- output->zoom.spring_z.current = output->zoom.max_level;
- else if (output->zoom.spring_z.current < 0.0)
- output->zoom.spring_z.current = 0.0;
-
- if (weston_spring_done(&output->zoom.spring_z)) {
- if (output->zoom.level <= 0.0)
- output->zoom.active = 0;
- output->zoom.spring_z.current = output->zoom.level;
- wl_list_remove(&animation->link);
- wl_list_init(&animation->link);
- }
-
- output->dirty = 1;
- weston_output_damage(output);
-}
-
-static void
-weston_zoom_frame_xy(struct weston_animation *animation,
- struct weston_output *output, uint32_t msecs)
-{
- wl_fixed_t x, y;
- if (animation->frame_counter <= 1)
- output->zoom.spring_xy.timestamp = msecs;
-
- weston_spring_update(&output->zoom.spring_xy, msecs);
-
- x = output->zoom.from.x - ((output->zoom.from.x - output->zoom.to.x) *
- output->zoom.spring_xy.current);
- y = output->zoom.from.y - ((output->zoom.from.y - output->zoom.to.y) *
- output->zoom.spring_xy.current);
-
- output->zoom.current.x = x;
- output->zoom.current.y = y;
-
- if (weston_spring_done(&output->zoom.spring_xy)) {
- output->zoom.spring_xy.current = output->zoom.spring_xy.target;
- output->zoom.current.x =
- (output->zoom.type == ZOOM_FOCUS_POINTER) ?
- output->compositor->seat->pointer.x :
- output->zoom.text_cursor.x;
- output->zoom.current.y =
- (output->zoom.type == ZOOM_FOCUS_POINTER) ?
- output->compositor->seat->pointer.y :
- output->zoom.text_cursor.y;
- wl_list_remove(&animation->link);
- wl_list_init(&animation->link);
- }
-
- output->dirty = 1;
- weston_output_damage(output);
-}
-
-static void
-zoom_area_center_from_pointer(struct weston_output *output,
- wl_fixed_t *x, wl_fixed_t *y)
-{
- float level = output->zoom.spring_z.current;
- wl_fixed_t offset_x = wl_fixed_from_int(output->x);
- wl_fixed_t offset_y = wl_fixed_from_int(output->y);
- wl_fixed_t w = wl_fixed_from_int(output->current->width);
- wl_fixed_t h = wl_fixed_from_int(output->current->height);
-
- *x -= ((((*x - offset_x) / (float) w) - 0.5) * (w * (1.0 - level)));
- *y -= ((((*y - offset_y) / (float) h) - 0.5) * (h * (1.0 - level)));
-}
-
-static void
-weston_output_update_zoom_transform(struct weston_output *output)
-{
- uint32_t type = output->zoom.type;
- float global_x, global_y;
- wl_fixed_t x = output->zoom.current.x;
- wl_fixed_t y = output->zoom.current.y;
- float trans_min, trans_max;
- float ratio, level;
-
- level = output->zoom.spring_z.current;
- ratio = 1 / level;
-
- if (!output->zoom.active || level > output->zoom.max_level)
- return;
-
- if (type == ZOOM_FOCUS_POINTER &&
- wl_list_empty(&output->zoom.animation_xy.link))
- zoom_area_center_from_pointer(output, &x, &y);
-
- global_x = wl_fixed_to_double(x);
- global_y = wl_fixed_to_double(y);
-
- output->zoom.trans_x =
- ((((global_x - output->x) / output->current->width) *
- (level * 2)) - level) * ratio;
- output->zoom.trans_y =
- ((((global_y - output->y) / output->current->height) *
- (level * 2)) - level) * ratio;
-
- trans_max = level * 2 - level;
- trans_min = -trans_max;
-
- /* Clip zoom area to output */
- if (output->zoom.trans_x > trans_max)
- output->zoom.trans_x = trans_max;
- else if (output->zoom.trans_x < trans_min)
- output->zoom.trans_x = trans_min;
- if (output->zoom.trans_y > trans_max)
- output->zoom.trans_y = trans_max;
- else if (output->zoom.trans_y < trans_min)
- output->zoom.trans_y = trans_min;
-}
-
-static void
-weston_zoom_transition(struct weston_output *output, uint32_t type,
- wl_fixed_t x, wl_fixed_t y)
-{
- if (output->zoom.type != type) {
- /* Set from/to points and start animation */
- output->zoom.spring_xy.current = 0.0;
- output->zoom.spring_xy.previous = 0.0;
- output->zoom.spring_xy.target = 1.0;
-
- if (wl_list_empty(&output->zoom.animation_xy.link)) {
- output->zoom.animation_xy.frame_counter = 0;
- wl_list_insert(output->animation_list.prev,
- &output->zoom.animation_xy.link);
-
- output->zoom.from.x = (type == ZOOM_FOCUS_TEXT) ?
- x : output->zoom.text_cursor.x;
- output->zoom.from.y = (type == ZOOM_FOCUS_TEXT) ?
- y : output->zoom.text_cursor.y;
- } else {
- output->zoom.from.x = output->zoom.current.x;
- output->zoom.from.y = output->zoom.current.y;
- }
-
- output->zoom.to.x = (type == ZOOM_FOCUS_POINTER) ?
- x : output->zoom.text_cursor.x;
- output->zoom.to.y = (type == ZOOM_FOCUS_POINTER) ?
- y : output->zoom.text_cursor.y;
- output->zoom.current.x = output->zoom.from.x;
- output->zoom.current.y = output->zoom.from.y;
-
- output->zoom.type = type;
- }
-
- if (output->zoom.level != output->zoom.spring_z.current) {
- output->zoom.spring_z.target = output->zoom.level;
- if (wl_list_empty(&output->zoom.animation_z.link)) {
- output->zoom.animation_z.frame_counter = 0;
- wl_list_insert(output->animation_list.prev,
- &output->zoom.animation_z.link);
- }
- }
-
- output->dirty = 1;
- weston_output_damage(output);
-}
-
-WL_EXPORT void
-weston_output_update_zoom(struct weston_output *output, uint32_t type)
-{
- wl_fixed_t x = output->compositor->seat->pointer.x;
- wl_fixed_t y = output->compositor->seat->pointer.y;
-
- zoom_area_center_from_pointer(output, &x, &y);
-
- if (type == ZOOM_FOCUS_POINTER) {
- if (wl_list_empty(&output->zoom.animation_xy.link)) {
- output->zoom.current.x =
- output->compositor->seat->pointer.x;
- output->zoom.current.y =
- output->compositor->seat->pointer.y;
- } else {
- output->zoom.to.x = x;
- output->zoom.to.y = y;
- }
- }
-
- if (type == ZOOM_FOCUS_TEXT) {
- if (wl_list_empty(&output->zoom.animation_xy.link)) {
- output->zoom.current.x = output->zoom.text_cursor.x;
- output->zoom.current.y = output->zoom.text_cursor.y;
- } else {
- output->zoom.to.x = output->zoom.text_cursor.x;
- output->zoom.to.y = output->zoom.text_cursor.y;
- }
- }
-
- weston_zoom_transition(output, type, x, y);
- weston_output_update_zoom_transform(output);
-}
-
-WL_EXPORT void
weston_output_update_matrix(struct weston_output *output)
{
int flip;
@@ -3052,21 +2828,7 @@ weston_output_init(struct weston_output *output, struct weston_compositor *c,
output->dirty = 1;
wl_list_init(&output->read_pixels_list);
- output->zoom.active = 0;
- output->zoom.increment = 0.07;
- output->zoom.max_level = 0.95;
- output->zoom.level = 0.0;
- output->zoom.trans_x = 0.0;
- output->zoom.trans_y = 0.0;
- output->zoom.type = ZOOM_FOCUS_POINTER;
- weston_spring_init(&output->zoom.spring_z, 250.0, 0.0, 0.0);
- output->zoom.spring_z.friction = 1000;
- output->zoom.animation_z.frame = weston_zoom_frame_z;
- wl_list_init(&output->zoom.animation_z.link);
- weston_spring_init(&output->zoom.spring_xy, 250.0, 0.0, 0.0);
- output->zoom.spring_xy.friction = 1000;
- output->zoom.animation_xy.frame = weston_zoom_frame_xy;
- wl_list_init(&output->zoom.animation_xy.link);
+ weston_output_init_zoom(output);
output->flags = flags;
weston_output_move(output, x, y);
diff --git a/src/compositor.h b/src/compositor.h
index 5a52e60..df100d5 100644
--- a/src/compositor.h
+++ b/src/compositor.h
@@ -642,6 +642,8 @@ void
weston_text_cursor_position_notify(struct weston_surface *surface,
wl_fixed_t x, wl_fixed_t y);
void
+weston_output_init_zoom(struct weston_output *output);
+void
weston_output_update_zoom(struct weston_output *output, uint32_t type);
void
weston_output_update_matrix(struct weston_output *output);
diff --git a/src/zoom.c b/src/zoom.c
new file mode 100644
index 0000000..b8995a7
--- /dev/null
+++ b/src/zoom.c
@@ -0,0 +1,267 @@
+/*
+ * Copyright © 2012 Scott Moreau
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and
+ * its documentation for any purpose is hereby granted without fee, provided
+ * that the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation, and that the name of the copyright holders not be used in
+ * advertising or publicity pertaining to distribution of the software
+ * without specific, written prior permission. The copyright holders make
+ * no representations about the suitability of this software for any
+ * purpose. It is provided "as is" without express or implied warranty.
+ *
+ * THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS
+ * SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS, IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER
+ * RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF
+ * CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
+ * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "compositor.h"
+
+WL_EXPORT void
+weston_text_cursor_position_notify(struct weston_surface *surface,
+ wl_fixed_t cur_pos_x,
+ wl_fixed_t cur_pos_y)
+{
+ struct weston_output *output;
+ wl_fixed_t global_x, global_y;
+
+ weston_surface_to_global_fixed(surface, cur_pos_x, cur_pos_y,
+ &global_x, &global_y);
+
+ wl_list_for_each(output, &surface->compositor->output_list, link)
+ if (output->zoom.active &&
+ pixman_region32_contains_point(&output->region,
+ wl_fixed_to_int(global_x),
+ wl_fixed_to_int(global_y),
+ NULL)) {
+ output->zoom.text_cursor.x = global_x;
+ output->zoom.text_cursor.y = global_y;
+ weston_output_update_zoom(output, ZOOM_FOCUS_TEXT);
+ }
+}
+
+static void
+weston_zoom_frame_z(struct weston_animation *animation,
+ struct weston_output *output, uint32_t msecs)
+{
+ if (animation->frame_counter <= 1)
+ output->zoom.spring_z.timestamp = msecs;
+
+ weston_spring_update(&output->zoom.spring_z, msecs);
+
+ if (output->zoom.spring_z.current > output->zoom.max_level)
+ output->zoom.spring_z.current = output->zoom.max_level;
+ else if (output->zoom.spring_z.current < 0.0)
+ output->zoom.spring_z.current = 0.0;
+
+ if (weston_spring_done(&output->zoom.spring_z)) {
+ if (output->zoom.level <= 0.0)
+ output->zoom.active = 0;
+ output->zoom.spring_z.current = output->zoom.level;
+ wl_list_remove(&animation->link);
+ wl_list_init(&animation->link);
+ }
+
+ output->dirty = 1;
+ weston_output_damage(output);
+}
+
+static void
+weston_zoom_frame_xy(struct weston_animation *animation,
+ struct weston_output *output, uint32_t msecs)
+{
+ wl_fixed_t x, y;
+ if (animation->frame_counter <= 1)
+ output->zoom.spring_xy.timestamp = msecs;
+
+ weston_spring_update(&output->zoom.spring_xy, msecs);
+
+ x = output->zoom.from.x - ((output->zoom.from.x - output->zoom.to.x) *
+ output->zoom.spring_xy.current);
+ y = output->zoom.from.y - ((output->zoom.from.y - output->zoom.to.y) *
+ output->zoom.spring_xy.current);
+
+ output->zoom.current.x = x;
+ output->zoom.current.y = y;
+
+ if (weston_spring_done(&output->zoom.spring_xy)) {
+ output->zoom.spring_xy.current = output->zoom.spring_xy.target;
+ output->zoom.current.x =
+ (output->zoom.type == ZOOM_FOCUS_POINTER) ?
+ output->compositor->seat->pointer.x :
+ output->zoom.text_cursor.x;
+ output->zoom.current.y =
+ (output->zoom.type == ZOOM_FOCUS_POINTER) ?
+ output->compositor->seat->pointer.y :
+ output->zoom.text_cursor.y;
+ wl_list_remove(&animation->link);
+ wl_list_init(&animation->link);
+ }
+
+ output->dirty = 1;
+ weston_output_damage(output);
+}
+
+static void
+zoom_area_center_from_pointer(struct weston_output *output,
+ wl_fixed_t *x, wl_fixed_t *y)
+{
+ float level = output->zoom.spring_z.current;
+ wl_fixed_t offset_x = wl_fixed_from_int(output->x);
+ wl_fixed_t offset_y = wl_fixed_from_int(output->y);
+ wl_fixed_t w = wl_fixed_from_int(output->current->width);
+ wl_fixed_t h = wl_fixed_from_int(output->current->height);
+
+ *x -= ((((*x - offset_x) / (float) w) - 0.5) * (w * (1.0 - level)));
+ *y -= ((((*y - offset_y) / (float) h) - 0.5) * (h * (1.0 - level)));
+}
+
+static void
+weston_output_update_zoom_transform(struct weston_output *output)
+{
+ uint32_t type = output->zoom.type;
+ float global_x, global_y;
+ wl_fixed_t x = output->zoom.current.x;
+ wl_fixed_t y = output->zoom.current.y;
+ float trans_min, trans_max;
+ float ratio, level;
+
+ level = output->zoom.spring_z.current;
+ ratio = 1 / level;
+
+ if (!output->zoom.active || level > output->zoom.max_level)
+ return;
+
+ if (type == ZOOM_FOCUS_POINTER &&
+ wl_list_empty(&output->zoom.animation_xy.link))
+ zoom_area_center_from_pointer(output, &x, &y);
+
+ global_x = wl_fixed_to_double(x);
+ global_y = wl_fixed_to_double(y);
+
+ output->zoom.trans_x =
+ ((((global_x - output->x) / output->current->width) *
+ (level * 2)) - level) * ratio;
+ output->zoom.trans_y =
+ ((((global_y - output->y) / output->current->height) *
+ (level * 2)) - level) * ratio;
+
+ trans_max = level * 2 - level;
+ trans_min = -trans_max;
+
+ /* Clip zoom area to output */
+ if (output->zoom.trans_x > trans_max)
+ output->zoom.trans_x = trans_max;
+ else if (output->zoom.trans_x < trans_min)
+ output->zoom.trans_x = trans_min;
+ if (output->zoom.trans_y > trans_max)
+ output->zoom.trans_y = trans_max;
+ else if (output->zoom.trans_y < trans_min)
+ output->zoom.trans_y = trans_min;
+}
+
+static void
+weston_zoom_transition(struct weston_output *output, uint32_t type,
+ wl_fixed_t x, wl_fixed_t y)
+{
+ if (output->zoom.type != type) {
+ /* Set from/to points and start animation */
+ output->zoom.spring_xy.current = 0.0;
+ output->zoom.spring_xy.previous = 0.0;
+ output->zoom.spring_xy.target = 1.0;
+
+ if (wl_list_empty(&output->zoom.animation_xy.link)) {
+ output->zoom.animation_xy.frame_counter = 0;
+ wl_list_insert(output->animation_list.prev,
+ &output->zoom.animation_xy.link);
+
+ output->zoom.from.x = (type == ZOOM_FOCUS_TEXT) ?
+ x : output->zoom.text_cursor.x;
+ output->zoom.from.y = (type == ZOOM_FOCUS_TEXT) ?
+ y : output->zoom.text_cursor.y;
+ } else {
+ output->zoom.from.x = output->zoom.current.x;
+ output->zoom.from.y = output->zoom.current.y;
+ }
+
+ output->zoom.to.x = (type == ZOOM_FOCUS_POINTER) ?
+ x : output->zoom.text_cursor.x;
+ output->zoom.to.y = (type == ZOOM_FOCUS_POINTER) ?
+ y : output->zoom.text_cursor.y;
+ output->zoom.current.x = output->zoom.from.x;
+ output->zoom.current.y = output->zoom.from.y;
+
+ output->zoom.type = type;
+ }
+
+ if (output->zoom.level != output->zoom.spring_z.current) {
+ output->zoom.spring_z.target = output->zoom.level;
+ if (wl_list_empty(&output->zoom.animation_z.link)) {
+ output->zoom.animation_z.frame_counter = 0;
+ wl_list_insert(output->animation_list.prev,
+ &output->zoom.animation_z.link);
+ }
+ }
+
+ output->dirty = 1;
+ weston_output_damage(output);
+}
+
+WL_EXPORT void
+weston_output_update_zoom(struct weston_output *output, uint32_t type)
+{
+ wl_fixed_t x = output->compositor->seat->pointer.x;
+ wl_fixed_t y = output->compositor->seat->pointer.y;
+
+ zoom_area_center_from_pointer(output, &x, &y);
+
+ if (type == ZOOM_FOCUS_POINTER) {
+ if (wl_list_empty(&output->zoom.animation_xy.link)) {
+ output->zoom.current.x =
+ output->compositor->seat->pointer.x;
+ output->zoom.current.y =
+ output->compositor->seat->pointer.y;
+ } else {
+ output->zoom.to.x = x;
+ output->zoom.to.y = y;
+ }
+ }
+
+ if (type == ZOOM_FOCUS_TEXT) {
+ if (wl_list_empty(&output->zoom.animation_xy.link)) {
+ output->zoom.current.x = output->zoom.text_cursor.x;
+ output->zoom.current.y = output->zoom.text_cursor.y;
+ } else {
+ output->zoom.to.x = output->zoom.text_cursor.x;
+ output->zoom.to.y = output->zoom.text_cursor.y;
+ }
+ }
+
+ weston_zoom_transition(output, type, x, y);
+ weston_output_update_zoom_transform(output);
+}
+
+WL_EXPORT void
+weston_output_init_zoom(struct weston_output *output)
+{
+ output->zoom.active = 0;
+ output->zoom.increment = 0.07;
+ output->zoom.max_level = 0.95;
+ output->zoom.level = 0.0;
+ output->zoom.trans_x = 0.0;
+ output->zoom.trans_y = 0.0;
+ output->zoom.type = ZOOM_FOCUS_POINTER;
+ weston_spring_init(&output->zoom.spring_z, 250.0, 0.0, 0.0);
+ output->zoom.spring_z.friction = 1000;
+ output->zoom.animation_z.frame = weston_zoom_frame_z;
+ wl_list_init(&output->zoom.animation_z.link);
+ weston_spring_init(&output->zoom.spring_xy, 250.0, 0.0, 0.0);
+ output->zoom.spring_xy.friction = 1000;
+ output->zoom.animation_xy.frame = weston_zoom_frame_xy;
+ wl_list_init(&output->zoom.animation_xy.link);
+}
--
1.7.7.6
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