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-rw-r--r--src/Makefile.am2
-rw-r--r--src/uta.c1114
-rw-r--r--src/uta.h75
3 files changed, 0 insertions, 1191 deletions
diff --git a/src/Makefile.am b/src/Makefile.am
index 3424263..64da986 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -36,7 +36,6 @@ NOINST_H_FILES = \
eom-module.h \
eom-plugin-manager.h \
eom-plugin-engine.h \
- uta.h \
eom-close-confirmation-dialog.h \
zoom.h
@@ -109,7 +108,6 @@ libeom_c_files = \
eom-plugin-manager.c \
eom-plugin-engine.c \
eom-clipboard-handler.c \
- uta.c \
zoom.c
libeom_la_SOURCES = \
diff --git a/src/uta.c b/src/uta.c
deleted file mode 100644
index c44834d..0000000
--- a/src/uta.c
+++ /dev/null
@@ -1,1114 +0,0 @@
-/* Eye of Mate image viewer - Microtile array utilities
- *
- * Copyright (C) 2000-2009 The Free Software Foundation
- *
- * Author: Federico Mena-Quintero <[email protected]>
- *
- * Portions based on code from libart_lgpl by Raph Levien.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-#include <config.h>
-#include <glib.h>
-#include "uta.h"
-
-#define EOM_UTA_BBOX_CONS(x0, y0, x1, y1) (((x0) << 24) | ((y0) << 16) | \
- ((x1) << 8) | (y1))
-
-#define EOM_UTA_BBOX_X0(ub) ((ub) >> 24)
-#define EOM_UTA_BBOX_Y0(ub) (((ub) >> 16) & 0xff)
-#define EOM_UTA_BBOX_X1(ub) (((ub) >> 8) & 0xff)
-#define EOM_UTA_BBOX_Y1(ub) ((ub) & 0xff)
-
-#define eom_renew(p, type, n) ((type *)g_realloc (p, (n) * sizeof(type)))
-/* This one must be used carefully - in particular, p and max should
- be variables. They can also be pstruct->el lvalues. */
-#define eom_expand(p, type, max) do { if(max) { p = eom_renew (p, type, max <<= 1); } else { max = 1; p = g_new(type, 1); } } while (0)
-
-/*
- * eom_uta_new: Allocate a new uta.
- * @x0: Left coordinate of uta.
- * @y0: Top coordinate of uta.
- * @x1: Right coordinate of uta.
- * @y1: Bottom coordinate of uta.
- *
- * Allocates a new microtile array. The arguments are in units of
- * tiles, not pixels.
- *
- * Returns: the newly allocated #EomUta.
- */
-static EomUta *
-eom_uta_new (int x0, int y0, int x1, int y1)
-{
- EomUta *uta;
-
- uta = g_new (EomUta, 1);
- uta->x0 = x0;
- uta->y0 = y0;
- uta->width = x1 - x0;
- uta->height = y1 - y0;
-
- uta->utiles = g_new0 (EomUtaBbox, uta->width * uta->height);
-
- return uta;
-}
-
-/*
- * eom_uta_free: Free a uta.
- * @uta: The uta to free.
- *
- * Frees the microtile array structure, including the actual microtile
- * data.
- */
-void
-eom_uta_free (EomUta *uta)
-{
- g_free (uta->utiles);
- g_free (uta);
-}
-
-/*
- * eom_irect_intersect: Find intersection of two integer rectangles.
- * @dest: Where the result is stored.
- * @src1: A source rectangle.
- * @src2: Another source rectangle.
- *
- * Finds the intersection of @src1 and @src2.
- */
-void
-eom_irect_intersect (EomIRect *dest, const EomIRect *src1, const EomIRect *src2) {
- dest->x0 = MAX (src1->x0, src2->x0);
- dest->y0 = MAX (src1->y0, src2->y0);
- dest->x1 = MIN (src1->x1, src2->x1);
- dest->y1 = MIN (src1->y1, src2->y1);
-}
-
-/*
- * eom_irect_empty: Determine whether integer rectangle is empty.
- * @src: The source rectangle.
- *
- * Return value: TRUE if @src is an empty rectangle, FALSE otherwise.
- */
-int
-eom_irect_empty (const EomIRect *src) {
- return (src->x1 <= src->x0 || src->y1 <= src->y0);
-}
-
-/*
- * eom_uta_from_irect: Generate uta covering a rectangle.
- * @bbox: The source rectangle.
- *
- * Generates a uta exactly covering @bbox. Please do not call this
- * function with a @bbox with zero height or width.
- *
- * Return value: the new uta.
- */
-static EomUta *
-eom_uta_from_irect (EomIRect *bbox)
-{
- EomUta *uta;
- EomUtaBbox *utiles;
- EomUtaBbox bb;
- int width, height;
- int x, y;
- int xf0, yf0, xf1, yf1;
- int ix;
-
- uta = g_new (EomUta, 1);
- uta->x0 = bbox->x0 >> EOM_UTILE_SHIFT;
- uta->y0 = bbox->y0 >> EOM_UTILE_SHIFT;
- width = ((bbox->x1 + EOM_UTILE_SIZE - 1) >> EOM_UTILE_SHIFT) - uta->x0;
- height = ((bbox->y1 + EOM_UTILE_SIZE - 1) >> EOM_UTILE_SHIFT) - uta->y0;
- utiles = g_new (EomUtaBbox, width * height);
-
- uta->width = width;
- uta->height = height;
- uta->utiles = utiles;
-
- xf0 = bbox->x0 & (EOM_UTILE_SIZE - 1);
- yf0 = bbox->y0 & (EOM_UTILE_SIZE - 1);
- xf1 = ((bbox->x1 - 1) & (EOM_UTILE_SIZE - 1)) + 1;
- yf1 = ((bbox->y1 - 1) & (EOM_UTILE_SIZE - 1)) + 1;
- if (height == 1)
- {
- if (width == 1)
- utiles[0] = EOM_UTA_BBOX_CONS (xf0, yf0, xf1, yf1);
- else
- {
- utiles[0] = EOM_UTA_BBOX_CONS (xf0, yf0, EOM_UTILE_SIZE, yf1);
- bb = EOM_UTA_BBOX_CONS (0, yf0, EOM_UTILE_SIZE, yf1);
- for (x = 1; x < width - 1; x++)
- utiles[x] = bb;
- utiles[x] = EOM_UTA_BBOX_CONS (0, yf0, xf1, yf1);
- }
- }
- else
- {
- if (width == 1)
- {
- utiles[0] = EOM_UTA_BBOX_CONS (xf0, yf0, xf1, EOM_UTILE_SIZE);
- bb = EOM_UTA_BBOX_CONS (xf0, 0, xf1, EOM_UTILE_SIZE);
- for (y = 1; y < height - 1; y++)
- utiles[y] = bb;
- utiles[y] = EOM_UTA_BBOX_CONS (xf0, 0, xf1, yf1);
- }
- else
- {
- utiles[0] =
- EOM_UTA_BBOX_CONS (xf0, yf0, EOM_UTILE_SIZE, EOM_UTILE_SIZE);
- bb = EOM_UTA_BBOX_CONS (0, yf0, EOM_UTILE_SIZE, EOM_UTILE_SIZE);
- for (x = 1; x < width - 1; x++)
- utiles[x] = bb;
- utiles[x] = EOM_UTA_BBOX_CONS (0, yf0, xf1, EOM_UTILE_SIZE);
- ix = width;
- for (y = 1; y < height - 1; y++)
- {
- utiles[ix++] =
- EOM_UTA_BBOX_CONS (xf0, 0, EOM_UTILE_SIZE, EOM_UTILE_SIZE);
- bb = EOM_UTA_BBOX_CONS (0, 0, EOM_UTILE_SIZE, EOM_UTILE_SIZE);
- for (x = 1; x < width - 1; x++)
- utiles[ix++] = bb;
- utiles[ix++] = EOM_UTA_BBOX_CONS (0, 0, xf1, EOM_UTILE_SIZE);
- }
- utiles[ix++] = EOM_UTA_BBOX_CONS (xf0, 0, EOM_UTILE_SIZE, yf1);
- bb = EOM_UTA_BBOX_CONS (0, 0, EOM_UTILE_SIZE, yf1);
- for (x = 1; x < width - 1; x++)
- utiles[ix++] = bb;
- utiles[ix++] = EOM_UTA_BBOX_CONS (0, 0, xf1, yf1);
- }
- }
- return uta;
-}
-
-
-/**
- * uta_ensure_size:
- * @uta: A microtile array.
- * @x1: Left microtile coordinate that must fit in new array.
- * @y1: Top microtile coordinate that must fit in new array.
- * @x2: Right microtile coordinate that must fit in new array.
- * @y2: Bottom microtile coordinate that must fit in new array.
- *
- * Ensures that the size of a microtile array is big enough to fit the specified
- * microtile coordinates. If it is not big enough, the specified @uta will be
- * freed and a new one will be returned. Otherwise, the original @uta will be
- * returned. If a new microtile array needs to be created, this function will
- * copy the @uta's contents to the new array.
- *
- * Note that the specified coordinates must have already been scaled down by the
- * ART_UTILE_SHIFT factor.
- *
- * Return value: The same value as @uta if the original microtile array was
- * big enough to fit the specified microtile coordinates, or a new array if
- * it needed to be grown. In the second case, the original @uta will be
- * freed automatically.
- */
-EomUta *
-uta_ensure_size (EomUta *uta, int x1, int y1, int x2, int y2)
-{
- EomUta *new_uta;
- EomUtaBbox *utiles, *new_utiles;
- int new_ofs, ofs;
- int x, y;
-
- g_return_val_if_fail (x1 < x2, NULL);
- g_return_val_if_fail (y1 < y2, NULL);
-
- if (!uta)
- return eom_uta_new (x1, y1, x2, y2);
-
- if (x1 >= uta->x0
- && y1 >= uta->y0
- && x2 <= uta->x0 + uta->width
- && y2 <= uta->y0 + uta->height)
- return uta;
-
- new_uta = g_new (EomUta, 1);
-
- new_uta->x0 = MIN (uta->x0, x1);
- new_uta->y0 = MIN (uta->y0, y1);
- new_uta->width = MAX (uta->x0 + uta->width, x2) - new_uta->x0;
- new_uta->height = MAX (uta->y0 + uta->height, y2) - new_uta->y0;
- new_uta->utiles = g_new (EomUtaBbox, new_uta->width * new_uta->height);
-
- utiles = uta->utiles;
- new_utiles = new_uta->utiles;
-
- new_ofs = 0;
-
- for (y = new_uta->y0; y < new_uta->y0 + new_uta->height; y++) {
- if (y < uta->y0 || y >= uta->y0 + uta->height)
- for (x = 0; x < new_uta->width; x++)
- new_utiles[new_ofs++] = 0;
- else {
- ofs = (y - uta->y0) * uta->width;
-
- for (x = new_uta->x0; x < new_uta->x0 + new_uta->width; x++)
- if (x < uta->x0 || x >= uta->x0 + uta->width)
- new_utiles[new_ofs++] = 0;
- else
- new_utiles[new_ofs++] = utiles[ofs++];
- }
- }
-
- eom_uta_free (uta);
- return new_uta;
-}
-
-/**
- * uta_add_rect:
- * @uta: A microtile array, or NULL if a new array should be created.
- * @x1: Left coordinate of rectangle.
- * @y1: Top coordinate of rectangle.
- * @x2: Right coordinate of rectangle.
- * @y2: Bottom coordinate of rectangle.
- *
- * Adds the specified rectangle to a microtile array. The array is
- * grown to fit the rectangle if necessary.
- *
- * Return value: The original @uta, or a new microtile array if the original one
- * needed to be grown to fit the specified rectangle. In the second case, the
- * original @uta will be freed automatically.
- */
-EomUta *
-uta_add_rect (EomUta *uta, int x1, int y1, int x2, int y2)
-{
- EomUtaBbox *utiles;
- EomUtaBbox bb;
- int rect_x1, rect_y1, rect_x2, rect_y2;
- int xf1, yf1, xf2, yf2;
- int x, y;
- int ofs;
-
- g_return_val_if_fail (x1 < x2, NULL);
- g_return_val_if_fail (y1 < y2, NULL);
-
- /* Empty uta */
-
- if (!uta) {
- EomIRect r;
-
- r.x0 = x1;
- r.y0 = y1;
- r.x1 = x2;
- r.y1 = y2;
-
- return eom_uta_from_irect (&r);
- }
-
- /* Grow the uta if necessary */
-
- rect_x1 = x1 >> EOM_UTILE_SHIFT;
- rect_y1 = y1 >> EOM_UTILE_SHIFT;
- rect_x2 = (x2 + EOM_UTILE_SIZE - 1) >> EOM_UTILE_SHIFT;
- rect_y2 = (y2 + EOM_UTILE_SIZE - 1) >> EOM_UTILE_SHIFT;
-
- uta = uta_ensure_size (uta, rect_x1, rect_y1, rect_x2, rect_y2);
-
- /* Add the rectangle */
-
- xf1 = x1 & (EOM_UTILE_SIZE - 1);
- yf1 = y1 & (EOM_UTILE_SIZE - 1);
- xf2 = ((x2 - 1) & (EOM_UTILE_SIZE - 1)) + 1;
- yf2 = ((y2 - 1) & (EOM_UTILE_SIZE - 1)) + 1;
-
- utiles = uta->utiles;
-
- ofs = (rect_y1 - uta->y0) * uta->width + rect_x1 - uta->x0;
-
- if (rect_y2 - rect_y1 == 1) {
- if (rect_x2 - rect_x1 == 1) {
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- xf1, yf1, xf2, yf2);
- else
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (bb), xf1),
- MIN (EOM_UTA_BBOX_Y0 (bb), yf1),
- MAX (EOM_UTA_BBOX_X1 (bb), xf2),
- MAX (EOM_UTA_BBOX_Y1 (bb), yf2));
- } else {
- /* Leftmost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- xf1, yf1, EOM_UTILE_SIZE, yf2);
- else
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (bb), xf1),
- MIN (EOM_UTA_BBOX_Y0 (bb), yf1),
- EOM_UTILE_SIZE,
- MAX (EOM_UTA_BBOX_Y1 (bb), yf2));
-
- /* Tiles in between */
- for (x = rect_x1 + 1; x < rect_x2 - 1; x++) {
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- 0, yf1, EOM_UTILE_SIZE, yf2);
- else
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- 0,
- MIN (EOM_UTA_BBOX_Y0 (bb), yf1),
- EOM_UTILE_SIZE,
- MAX (EOM_UTA_BBOX_Y1 (bb), yf2));
- }
-
- /* Rightmost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- 0, yf1, xf2, yf2);
- else
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- 0,
- MIN (EOM_UTA_BBOX_Y0 (bb), yf1),
- MAX (EOM_UTA_BBOX_X1 (bb), xf2),
- MAX (EOM_UTA_BBOX_Y1 (bb), yf2));
- }
- } else {
- if (rect_x2 - rect_x1 == 1) {
- /* Topmost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- xf1, yf1, xf2, EOM_UTILE_SIZE);
- else
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (bb), xf1),
- MIN (EOM_UTA_BBOX_Y0 (bb), yf1),
- MAX (EOM_UTA_BBOX_X1 (bb), xf2),
- EOM_UTILE_SIZE);
- ofs += uta->width;
-
- /* Tiles in between */
- for (y = rect_y1 + 1; y < rect_y2 - 1; y++) {
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- xf1, 0, xf2, EOM_UTILE_SIZE);
- else
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (bb), xf1),
- 0,
- MAX (EOM_UTA_BBOX_X1 (bb), xf2),
- EOM_UTILE_SIZE);
- ofs += uta->width;
- }
-
- /* Bottommost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- xf1, 0, xf2, yf2);
- else
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (bb), xf1),
- 0,
- MAX (EOM_UTA_BBOX_X1 (bb), xf2),
- MAX (EOM_UTA_BBOX_Y1 (bb), yf2));
- } else {
- /* Top row, leftmost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- xf1, yf1, EOM_UTILE_SIZE, EOM_UTILE_SIZE);
- else
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (bb), xf1),
- MIN (EOM_UTA_BBOX_Y0 (bb), yf1),
- EOM_UTILE_SIZE,
- EOM_UTILE_SIZE);
-
- /* Top row, in between */
- for (x = rect_x1 + 1; x < rect_x2 - 1; x++) {
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- 0, yf1, EOM_UTILE_SIZE, EOM_UTILE_SIZE);
- else
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- 0,
- MIN (EOM_UTA_BBOX_Y0 (bb), yf1),
- EOM_UTILE_SIZE,
- EOM_UTILE_SIZE);
- }
-
- /* Top row, rightmost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- 0, yf1, xf2, EOM_UTILE_SIZE);
- else
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- 0,
- MIN (EOM_UTA_BBOX_Y0 (bb), yf1),
- MAX (EOM_UTA_BBOX_X1 (bb), xf2),
- EOM_UTILE_SIZE);
-
- ofs += uta->width - (rect_x2 - rect_x1 - 1);
-
- /* Rows in between */
- for (y = rect_y1 + 1; y < rect_y2 - 1; y++) {
- /* Leftmost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- xf1, 0, EOM_UTILE_SIZE, EOM_UTILE_SIZE);
- else
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (bb), xf1),
- 0,
- EOM_UTILE_SIZE,
- EOM_UTILE_SIZE);
-
- /* Tiles in between */
- bb = EOM_UTA_BBOX_CONS (0, 0, EOM_UTILE_SIZE, EOM_UTILE_SIZE);
- for (x = rect_x1 + 1; x < rect_x2 - 1; x++)
- utiles[ofs++] = bb;
-
- /* Rightmost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- 0, 0, xf2, EOM_UTILE_SIZE);
- else
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- 0,
- 0,
- MAX (EOM_UTA_BBOX_X1 (bb), xf2),
- EOM_UTILE_SIZE);
-
- ofs += uta->width - (rect_x2 - rect_x1 - 1);
- }
-
- /* Bottom row, leftmost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- xf1, 0, EOM_UTILE_SIZE, yf2);
- else
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (bb), xf1),
- 0,
- EOM_UTILE_SIZE,
- MAX (EOM_UTA_BBOX_Y1 (bb), yf2));
-
- /* Bottom row, tiles in between */
- for (x = rect_x1 + 1; x < rect_x2 - 1; x++) {
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- 0, 0, EOM_UTILE_SIZE, yf2);
- else
- utiles[ofs++] = EOM_UTA_BBOX_CONS (
- 0,
- 0,
- EOM_UTILE_SIZE,
- MAX (EOM_UTA_BBOX_Y1 (bb), yf2));
- }
-
- /* Bottom row, rightmost tile */
- bb = utiles[ofs];
- if (bb == 0)
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- 0, 0, xf2, yf2);
- else
- utiles[ofs] = EOM_UTA_BBOX_CONS (
- 0,
- 0,
- MAX (EOM_UTA_BBOX_X1 (bb), xf2),
- MAX (EOM_UTA_BBOX_Y1 (bb), yf2));
- }
- }
-
- return uta;
-}
-
-/**
- * uta_remove_rect:
- * @uta: A microtile array.
- * @x1: Left coordinate of rectangle.
- * @y1: Top coordinate of rectangle.
- * @x2: Right coordinate of rectangle.
- * @y2: Bottom coordinate of rectangle.
- *
- * Removes a rectangular region from the specified microtile array. Due to the
- * way microtile arrays represent regions, the tiles at the edge of the
- * rectangle may not be clipped exactly.
- */
-void
-uta_remove_rect (EomUta *uta, int x1, int y1, int x2, int y2)
-{
- EomUtaBbox *utiles;
- int rect_x1, rect_y1, rect_x2, rect_y2;
- int clip_x1, clip_y1, clip_x2, clip_y2;
- int xf1, yf1, xf2, yf2;
- int ofs;
- int x, y;
-
- g_return_if_fail (uta != NULL);
- g_return_if_fail (x1 <= x2);
- g_return_if_fail (y1 <= y2);
-
- if (x1 == x2 || y1 == y2)
- return;
-
- rect_x1 = x1 >> EOM_UTILE_SHIFT;
- rect_y1 = y1 >> EOM_UTILE_SHIFT;
- rect_x2 = (x2 + EOM_UTILE_SIZE - 1) >> EOM_UTILE_SHIFT;
- rect_y2 = (y2 + EOM_UTILE_SIZE - 1) >> EOM_UTILE_SHIFT;
-
- clip_x1 = MAX (rect_x1, uta->x0);
- clip_y1 = MAX (rect_y1, uta->y0);
- clip_x2 = MIN (rect_x2, uta->x0 + uta->width);
- clip_y2 = MIN (rect_y2, uta->y0 + uta->height);
-
- if (clip_x1 >= clip_x2 || clip_y1 >= clip_y2)
- return;
-
- xf1 = x1 & (EOM_UTILE_SIZE - 1);
- yf1 = y1 & (EOM_UTILE_SIZE - 1);
- xf2 = ((x2 - 1) & (EOM_UTILE_SIZE - 1)) + 1;
- yf2 = ((y2 - 1) & (EOM_UTILE_SIZE - 1)) + 1;
-
- utiles = uta->utiles;
-
- ofs = (clip_y1 - uta->y0) * uta->width + clip_x1 - uta->x0;
-
- for (y = clip_y1; y < clip_y2; y++) {
- int cy1, cy2;
-
- if (y == rect_y1)
- cy1 = yf1;
- else
- cy1 = 0;
-
- if (y == rect_y2 - 1)
- cy2 = yf2;
- else
- cy2 = EOM_UTILE_SIZE;
-
- for (x = clip_x1; x < clip_x2; x++) {
- int cx1, cx2;
- EomUtaBbox bb;
- int bb_x1, bb_y1, bb_x2, bb_y2;
- int bb_cx1, bb_cy1, bb_cx2, bb_cy2;
-
- bb = utiles[ofs];
- bb_x1 = EOM_UTA_BBOX_X0 (bb);
- bb_y1 = EOM_UTA_BBOX_Y0 (bb);
- bb_x2 = EOM_UTA_BBOX_X1 (bb);
- bb_y2 = EOM_UTA_BBOX_Y1 (bb);
-
- if (x == rect_x1)
- cx1 = xf1;
- else
- cx1 = 0;
-
- if (x == rect_x2 - 1)
- cx2 = xf2;
- else
- cx2 = EOM_UTILE_SIZE;
-
- /* Clip top and bottom */
-
- if (cx1 <= bb_x1 && cx2 >= bb_x2) {
- if (cy1 <= bb_y1 && cy2 > bb_y1)
- bb_cy1 = cy2;
- else
- bb_cy1 = bb_y1;
-
- if (cy1 < bb_y2 && cy2 >= bb_y2)
- bb_cy2 = cy1;
- else
- bb_cy2 = bb_y2;
- } else {
- bb_cy1 = bb_y1;
- bb_cy2 = bb_y2;
- }
-
- /* Clip left and right */
-
- if (cy1 <= bb_y1 && cy2 >= bb_y2) {
- if (cx1 <= bb_x1 && cx2 > bb_x1)
- bb_cx1 = cx2;
- else
- bb_cx1 = bb_x1;
-
- if (cx1 < bb_x2 && cx2 >= bb_x2)
- bb_cx2 = cx1;
- else
- bb_cx2 = bb_x2;
- } else {
- bb_cx1 = bb_x1;
- bb_cx2 = bb_x2;
- }
-
- if (bb_cx1 < bb_cx2 && bb_cy1 < bb_cy2)
- utiles[ofs] = EOM_UTA_BBOX_CONS (bb_cx1, bb_cy1,
- bb_cx2, bb_cy2);
- else
- utiles[ofs] = 0;
-
- ofs++;
- }
-
- ofs += uta->width - (clip_x2 - clip_x1);
- }
-}
-
-void
-uta_find_first_glom_rect (EomUta *uta, EomIRect *rect, int max_width, int max_height)
-{
- EomIRect *rects;
- int n_rects, n_rects_max;
- int x, y;
- int width, height;
- int ix;
- int left_ix;
- EomUtaBbox *utiles;
- EomUtaBbox bb;
- int x0, y0, x1, y1;
- int *glom;
- int glom_rect;
-
- n_rects = 0;
- n_rects_max = 1;
- rects = g_new (EomIRect, n_rects_max);
-
- width = uta->width;
- height = uta->height;
- utiles = uta->utiles;
-
- glom = g_new (int, width * height);
- for (ix = 0; ix < width * height; ix++)
- glom[ix] = -1;
-
- ix = 0;
- for (y = 0; y < height; y++)
- for (x = 0; x < width; x++)
- {
- bb = utiles[ix];
- if (bb)
- {
- x0 = ((uta->x0 + x) << EOM_UTILE_SHIFT) + EOM_UTA_BBOX_X0(bb);
- y0 = ((uta->y0 + y) << EOM_UTILE_SHIFT) + EOM_UTA_BBOX_Y0(bb);
- y1 = ((uta->y0 + y) << EOM_UTILE_SHIFT) + EOM_UTA_BBOX_Y1(bb);
-
- left_ix = ix;
- /* now try to extend to the right */
- while (x != width - 1 &&
- EOM_UTA_BBOX_X1(bb) == EOM_UTILE_SIZE &&
- (((bb & 0xffffff) ^ utiles[ix + 1]) & 0xffff00ff) == 0 &&
- (((uta->x0 + x + 1) << EOM_UTILE_SHIFT) +
- EOM_UTA_BBOX_X1(utiles[ix + 1]) -
- x0) <= max_width)
- {
- bb = utiles[ix + 1];
- ix++;
- x++;
- }
- x1 = ((uta->x0 + x) << EOM_UTILE_SHIFT) + EOM_UTA_BBOX_X1(bb);
-
-
- /* if rectangle nonempty */
- if ((x1 ^ x0) || (y1 ^ y0))
- {
- /* try to glom onto an existing rectangle */
- glom_rect = glom[left_ix];
- if (glom_rect != -1 &&
- x0 == rects[glom_rect].x0 &&
- x1 == rects[glom_rect].x1 &&
- y0 == rects[glom_rect].y1 &&
- y1 - rects[glom_rect].y0 <= max_height)
- {
- rects[glom_rect].y1 = y1;
- }
- else
- {
- if (n_rects == n_rects_max)
- eom_expand (rects, EomIRect, n_rects_max);
- rects[n_rects].x0 = x0;
- rects[n_rects].y0 = y0;
- rects[n_rects].x1 = x1;
- rects[n_rects].y1 = y1;
- glom_rect = n_rects;
- n_rects++;
- }
- if (y != height - 1)
- glom[left_ix + width] = glom_rect;
- }
- }
- ix++;
- }
-
- if (n_rects > 0) {
- rect->x0 = rects[0].x0;
- rect->y0 = rects[0].y0;
- rect->x1 = rects[0].x1;
- rect->y1 = rects[0].y1;
- } else
- rect->x0 = rect->y0 = rect->x1 = rect->y1 = 0;
-
- g_free (glom);
- g_free (rects);
-}
-
-#if 0
-
-void
-uta_find_first_glom_rect (EomUta *uta, EomIRect *rect, int max_width, int max_height)
-{
- EomUtaBbox *utiles;
- EomUtaBbox bb;
- int width, height;
- int ofs;
- int x, y;
- int x1, y1, x2, y2;
-
- g_return_if_fail (uta != NULL);
- g_return_if_fail (rect != NULL);
- g_return_if_fail (max_width > 0 && max_height > 0);
-
- utiles = uta->utiles;
- width = uta->width;
- height = uta->height;
-
- ofs = 0;
-
- /* We find the first nonempty tile, and then grow the rectangle to the
- * right and then down.
- */
-
- x1 = y1 = x2 = y2 = 0;
-
- for (y = 0; y < height; y++) {
- for (x = 0; x < width; x++) {
- bb = utiles[ofs];
-
- if (!bb) {
- ofs++;
- continue;
- }
-
- x1 = ((uta->x0 + x) << EOM_UTILE_SHIFT) + EOM_UTA_BBOX_X0 (bb);
- y1 = ((uta->y0 + y) << EOM_UTILE_SHIFT) + EOM_UTA_BBOX_Y0 (bb);
- y2 = ((uta->y0 + y) << EOM_UTILE_SHIFT) + EOM_UTA_BBOX_Y1 (bb);
-
- /* Grow to the right */
-
- while (x != width - 1
- && EOM_UTA_BBOX_X1 (bb) == EOM_UTILE_SIZE
- && (((bb & 0xffffff) ^ utiles[ofs + 1]) & 0xffff00ff) == 0
- && (((uta->x0 + x + 1) << EOM_UTILE_SHIFT)
- + EOM_UTA_BBOX_X1 (utiles[ofs + 1])
- - x1) <= max_width) {
- ofs++;
- bb = utiles[ofs];
- x++;
- }
-
- x2 = ((uta->x0 + x) << EOM_UTILE_SHIFT) + EOM_UTA_BBOX_X1 (bb);
- goto grow_down;
- }
- }
-
- grow_down:
-
-}
-
-#endif
-
-/* Copies a single microtile to another location in the UTA, offsetted by the
- * specified distance. A microtile can thus end up being added in a single part
- * to another microtile, in two parts to two horizontally or vertically adjacent
- * microtiles, or in four parts to a 2x2 square of microtiles.
- *
- * This is basically a normal BitBlt but with copying-forwards-to-the-destination
- * instead of fetching-backwards-from-the-source.
- */
-static void
-copy_tile (EomUta *uta, int x, int y, int xofs, int yofs)
-{
- EomUtaBbox *utiles;
- EomUtaBbox bb, dbb;
- int t_x1, t_y1, t_x2, t_y2;
- int d_x1, d_y1, d_x2, d_y2;
- int d_tx1, d_ty1;
- int d_xf1, d_yf1, d_xf2, d_yf2;
- int dofs;
-
- utiles = uta->utiles;
-
- bb = utiles[(y - uta->y0) * uta->width + x - uta->x0];
-
- if (bb == 0)
- return;
-
- t_x1 = EOM_UTA_BBOX_X0 (bb) + (x << EOM_UTILE_SHIFT);
- t_y1 = EOM_UTA_BBOX_Y0 (bb) + (y << EOM_UTILE_SHIFT);
- t_x2 = EOM_UTA_BBOX_X1 (bb) + (x << EOM_UTILE_SHIFT);
- t_y2 = EOM_UTA_BBOX_Y1 (bb) + (y << EOM_UTILE_SHIFT);
-
- d_x1 = t_x1 + xofs;
- d_y1 = t_y1 + yofs;
- d_x2 = t_x2 + xofs;
- d_y2 = t_y2 + yofs;
-
- d_tx1 = d_x1 >> EOM_UTILE_SHIFT;
- d_ty1 = d_y1 >> EOM_UTILE_SHIFT;
-
- dofs = (d_ty1 - uta->y0) * uta->width + d_tx1 - uta->x0;
-
- d_xf1 = d_x1 & (EOM_UTILE_SIZE - 1);
- d_yf1 = d_y1 & (EOM_UTILE_SIZE - 1);
- d_xf2 = ((d_x2 - 1) & (EOM_UTILE_SIZE - 1)) + 1;
- d_yf2 = ((d_y2 - 1) & (EOM_UTILE_SIZE - 1)) + 1;
-
- if (d_x2 - d_x1 <= EOM_UTILE_SIZE - d_xf1) {
- if (d_y2 - d_y1 <= EOM_UTILE_SIZE - d_yf1) {
- if (d_tx1 >= uta->x0 && d_tx1 < uta->x0 + uta->width
- && d_ty1 >= uta->y0 && d_ty1 < uta->y0 + uta->height) {
- dbb = utiles[dofs];
- if (dbb == 0)
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- d_xf1, d_yf1, d_xf2, d_yf2);
- else
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (dbb), d_xf1),
- MIN (EOM_UTA_BBOX_Y0 (dbb), d_yf1),
- MAX (EOM_UTA_BBOX_X1 (dbb), d_xf2),
- MAX (EOM_UTA_BBOX_Y1 (dbb), d_yf2));
- }
- } else {
- /* Top tile */
- if (d_tx1 >= uta->x0 && d_tx1 < uta->x0 + uta->width
- && d_ty1 >= uta->y0 && d_ty1 < uta->y0 + uta->height) {
- dbb = utiles[dofs];
- if (dbb == 0)
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- d_xf1, d_yf1, d_xf2, EOM_UTILE_SIZE);
- else
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (dbb), d_xf1),
- MIN (EOM_UTA_BBOX_Y0 (dbb), d_yf1),
- MAX (EOM_UTA_BBOX_X1 (dbb), d_xf2),
- EOM_UTILE_SIZE);
- }
-
- dofs += uta->width;
-
- /* Bottom tile */
- if (d_tx1 >= uta->x0 && d_tx1 < uta->x0 + uta->width
- && d_ty1 + 1 >= uta->y0 && d_ty1 + 1 < uta->y0 + uta->height) {
- dbb = utiles[dofs];
- if (dbb == 0)
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- d_xf1, 0, d_xf2, d_yf2);
- else
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (dbb), d_xf1),
- 0,
- MAX (EOM_UTA_BBOX_X1 (dbb), d_xf2),
- MAX (EOM_UTA_BBOX_Y1 (dbb), d_yf2));
- }
- }
- } else {
- if (d_y2 - d_y1 <= EOM_UTILE_SIZE - d_yf1) {
- /* Left tile */
- if (d_tx1 >= uta->x0 && d_tx1 < uta->x0 + uta->width
- && d_ty1 >= uta->y0 && d_ty1 < uta->y0 + uta->height) {
- dbb = utiles[dofs];
- if (dbb == 0)
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- d_xf1, d_yf1, EOM_UTILE_SIZE, d_yf2);
- else
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (dbb), d_xf1),
- MIN (EOM_UTA_BBOX_Y0 (dbb), d_yf1),
- EOM_UTILE_SIZE,
- MAX (EOM_UTA_BBOX_Y1 (dbb), d_yf2));
- }
-
- dofs++;
-
- /* Right tile */
- if (d_tx1 + 1 >= uta->x0 && d_tx1 + 1 < uta->x0 + uta->width
- && d_ty1 >= uta->y0 && d_ty1 < uta->y0 + uta->height) {
- dbb = utiles[dofs];
- if (dbb == 0)
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- 0, d_yf1, d_xf2, d_yf2);
- else
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- 0,
- MIN (EOM_UTA_BBOX_Y0 (dbb), d_yf1),
- MAX (EOM_UTA_BBOX_X1 (dbb), d_xf2),
- MAX (EOM_UTA_BBOX_Y1 (dbb), d_yf2));
- }
- } else {
- /* Top left tile */
- if (d_tx1 >= uta->x0 && d_tx1 < uta->x0 + uta->width
- && d_ty1 >= uta->y0 && d_ty1 < uta->y0 + uta->height) {
- dbb = utiles[dofs];
- if (dbb == 0)
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- d_xf1, d_yf1, EOM_UTILE_SIZE, EOM_UTILE_SIZE);
- else
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (dbb), d_xf1),
- MIN (EOM_UTA_BBOX_Y0 (dbb), d_yf1),
- EOM_UTILE_SIZE,
- EOM_UTILE_SIZE);
- }
-
- dofs++;
-
- /* Top right tile */
- if (d_tx1 + 1 >= uta->x0 && d_tx1 + 1 < uta->x0 + uta->width
- && d_ty1 >= uta->y0 && d_ty1 < uta->y0 + uta->height) {
- dbb = utiles[dofs];
- if (dbb == 0)
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- 0, d_yf1, d_xf2, EOM_UTILE_SIZE);
- else
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- 0,
- MIN (EOM_UTA_BBOX_Y0 (dbb), d_yf1),
- MAX (EOM_UTA_BBOX_X1 (dbb), d_xf2),
- EOM_UTILE_SIZE);
- }
-
- dofs += uta->width - 1;
-
- /* Bottom left tile */
- if (d_tx1 >= uta->x0 && d_tx1 < uta->x0 + uta->width
- && d_ty1 + 1 >= uta->y0 && d_ty1 + 1 < uta->y0 + uta->height) {
- dbb = utiles[dofs];
- if (dbb == 0)
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- d_xf1, 0, EOM_UTILE_SIZE, d_yf2);
- else
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- MIN (EOM_UTA_BBOX_X0 (dbb), d_xf1),
- 0,
- EOM_UTILE_SIZE,
- MAX (EOM_UTA_BBOX_Y1 (dbb), d_yf2));
- }
-
- dofs++;
-
- /* Bottom right tile */
- if (d_tx1 + 1 >= uta->x0 && d_tx1 + 1 < uta->x0 + uta->width
- && d_ty1 + 1 >= uta->y0 && d_ty1 + 1 < uta->y0 + uta->height) {
- dbb = utiles[dofs];
- if (dbb == 0)
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- 0, 0, d_xf2, d_yf2);
- else
- utiles[dofs] = EOM_UTA_BBOX_CONS (
- 0,
- 0,
- MAX (EOM_UTA_BBOX_X1 (dbb), d_xf2),
- MAX (EOM_UTA_BBOX_Y1 (dbb), d_yf2));
- }
- }
- }
-}
-
-/**
- * uta_copy_area:
- * @uta: A microtile array.
- * @src_x: Left coordinate of source rectangle.
- * @src_y: Top coordinate of source rectangle.
- * @dest_x: Left coordinate of destination.
- * @dest_y: Top coordinate of destination.
- * @width: Width of region to copy.
- * @height: Height of region to copy.
- *
- * Copies a rectangular region within a microtile array. The array will not be
- * expanded if the destination area does not fit within it; rather only the area
- * that fits will be copied. The source rectangle must be completely contained
- * within the microtile array.
- */
-void
-uta_copy_area (EomUta *uta, int src_x, int src_y, int dest_x, int dest_y, int width, int height)
-{
- int rect_x1, rect_y1, rect_x2, rect_y2;
- gboolean top_to_bottom, left_to_right;
- int xofs, yofs;
- int x, y;
-
- g_return_if_fail (uta != NULL);
- g_return_if_fail (width >= 0 && height >= 0);
- g_return_if_fail (src_x >= uta->x0 << EOM_UTILE_SHIFT);
- g_return_if_fail (src_y >= uta->y0 << EOM_UTILE_SHIFT);
- g_return_if_fail (src_x + width <= (uta->x0 + uta->width) << EOM_UTILE_SHIFT);
- g_return_if_fail (src_y + height <= (uta->y0 + uta->height) << EOM_UTILE_SHIFT);
-
- if ((src_x == dest_x && src_y == dest_y) || width == 0 || height == 0)
- return;
-
- /* FIXME: This function is not perfect. It *adds* the copied/offsetted
- * area to the original contents of the microtile array, thus growing
- * the region more than needed. The effect should be to "overwrite" the
- * original contents, just like XCopyArea() does. Care needs to be
- * taken when the edges of the rectangle do not fall on microtile
- * boundaries, because tiles may need to be "split".
- *
- * Maybe this will work:
- *
- * 1. Copy the rectangular array of tiles that form the region to a
- * temporary buffer.
- *
- * 2. uta_remove_rect() the *destination* rectangle from the original
- * microtile array.
- *
- * 3. Copy back the temporary buffer to the original array while
- * offsetting it in the same way as copy_tile() does.
- */
-
- rect_x1 = src_x >> EOM_UTILE_SHIFT;
- rect_y1 = src_y >> EOM_UTILE_SHIFT;
- rect_x2 = (src_x + width + EOM_UTILE_SIZE - 1) >> EOM_UTILE_SHIFT;
- rect_y2 = (src_y + height + EOM_UTILE_SIZE - 1) >> EOM_UTILE_SHIFT;
-
- xofs = dest_x - src_x;
- yofs = dest_y - src_y;
-
- left_to_right = xofs < 0;
- top_to_bottom = yofs < 0;
-
- if (top_to_bottom && left_to_right) {
- for (y = rect_y1; y < rect_y2; y++)
- for (x = rect_x1; x < rect_x2; x++)
- copy_tile (uta, x, y, xofs, yofs);
- } else if (top_to_bottom && !left_to_right) {
- for (y = rect_y1; y < rect_y2; y++)
- for (x = rect_x2 - 1; x >= rect_x1; x--)
- copy_tile (uta, x, y, xofs, yofs);
- } else if (!top_to_bottom && left_to_right) {
- for (y = rect_y2 - 1; y >= rect_y1; y--)
- for (x = rect_x1; x < rect_x2; x++)
- copy_tile (uta, x, y, xofs, yofs);
- } else if (!top_to_bottom && !left_to_right) {
- for (y = rect_y2 - 1; y >= rect_y1; y--)
- for (x = rect_x2 - 1; x >= rect_x1; x--)
- copy_tile (uta, x, y, xofs, yofs);
- }
-}
diff --git a/src/uta.h b/src/uta.h
deleted file mode 100644
index 4152136..0000000
--- a/src/uta.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/* Eye of Mate image viewer - Microtile array utilities
- *
- * Copyright (C) 2000-2009 The Free Software Foundation
- *
- * Author: Federico Mena-Quintero <[email protected]>
- *
- * Portions based on code from libart_lgpl by Raph Levien.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-#ifndef UTA_H
-#define UTA_H
-
-#define EOM_UTILE_SHIFT 5
-#define EOM_UTILE_SIZE (1 << EOM_UTILE_SHIFT)
-
-typedef guint32 EomUtaBbox;
-
-struct _EomIRect {
- int x0, y0, x1, y1;
-};
-
-struct _EomUta {
- int x0;
- int y0;
- int width;
- int height;
- EomUtaBbox *utiles;
-};
-
-typedef struct _EomIRect EomIRect;
-typedef struct _EomUta EomUta;
-
-
-
-G_GNUC_INTERNAL
-void eom_uta_free (EomUta *uta);
-
-G_GNUC_INTERNAL
-void eom_irect_intersect (EomIRect *dest,
- const EomIRect *src1, const EomIRect *src2);
-G_GNUC_INTERNAL
-int eom_irect_empty (const EomIRect *src);
-
-G_GNUC_INTERNAL
-EomUta *uta_ensure_size (EomUta *uta, int x1, int y1, int x2, int y2);
-
-G_GNUC_INTERNAL
-EomUta *uta_add_rect (EomUta *uta, int x1, int y1, int x2, int y2);
-
-G_GNUC_INTERNAL
-void uta_remove_rect (EomUta *uta, int x1, int y1, int x2, int y2);
-
-G_GNUC_INTERNAL
-void uta_find_first_glom_rect (EomUta *uta, EomIRect *rect, int max_width, int max_height);
-
-G_GNUC_INTERNAL
-void uta_copy_area (EomUta *uta, int src_x, int src_y, int dest_x, int dest_y, int width, int height);
-
-
-
-#endif
generated by cgit v1.2.1 (git 2.18.0) at 2024-11-11 03:20:46 +0000