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ported to GimpPreviewArea.
* plug-ins/common/whirlpinch.c: ported to GimpPreviewArea.
This commit is contained in:
David Odin
parent
b099e695e7
commit
ff27b1f157
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@ -1,3 +1,7 @@
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2004-08-02 DindinX <david@dindinx.org>
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* plug-ins/common/whirlpinch.c: ported to GimpPreviewArea.
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2004-08-02 DindinX <david@dindinx.org>
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* plug-ins/common/video.c: ported to GimpPreviewArea.
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@ -53,11 +53,6 @@
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#include <unistd.h>
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#endif
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#ifdef __GNUC__
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#warning GTK_DISABLE_DEPRECATED
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#endif
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#undef GTK_DISABLE_DEPRECATED
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#include <gtk/gtk.h>
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#include <libgimp/gimp.h>
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@ -88,8 +83,6 @@ typedef struct
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typedef struct
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{
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GtkWidget *preview;
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guchar *check_row_0;
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guchar *check_row_1;
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guchar *image;
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guchar *dimage;
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} whirl_pinch_interface_t;
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@ -98,10 +91,10 @@ typedef struct
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static void query (void);
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static void run (const gchar *name,
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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gint nparams,
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const GimpParam *param,
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gint *nreturn_vals,
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GimpParam **return_vals);
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static void whirl_pinch (void);
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static int calc_undistorted_coords (double wx, double wy,
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@ -135,8 +128,6 @@ static whirl_pinch_vals_t wpvals =
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static whirl_pinch_interface_t wpint =
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{
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NULL, /* preview */
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NULL, /* check_row_0 */
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NULL, /* check_row_1 */
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NULL, /* image */
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NULL /* dimage */
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};
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@ -172,22 +163,22 @@ query (void)
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};
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gimp_install_procedure (PLUG_IN_NAME,
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"Distort an image by whirling and pinching",
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"Distorts the image by whirling and pinching, which "
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"are two common center-based, circular distortions. "
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"Whirling is like projecting the image onto the "
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"surface of water in a toilet and flushing. "
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"Pinching is similar to projecting the image onto "
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"an elastic surface and pressing or pulling on the "
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"center of the surface.",
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"Federico Mena Quintero and Scott Goehring",
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"Federico Mena Quintero and Scott Goehring",
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PLUG_IN_VERSION,
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N_("W_hirl and Pinch..."),
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"RGB*, GRAY*",
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GIMP_PLUGIN,
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G_N_ELEMENTS (args), 0,
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args, NULL);
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"Distort an image by whirling and pinching",
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"Distorts the image by whirling and pinching, which "
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"are two common center-based, circular distortions. "
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"Whirling is like projecting the image onto the "
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"surface of water in a toilet and flushing. "
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"Pinching is similar to projecting the image onto "
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"an elastic surface and pressing or pulling on the "
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"center of the surface.",
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"Federico Mena Quintero and Scott Goehring",
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"Federico Mena Quintero and Scott Goehring",
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PLUG_IN_VERSION,
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N_("W_hirl and Pinch..."),
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"RGB*, GRAY*",
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GIMP_PLUGIN,
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G_N_ELEMENTS (args), 0,
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args, NULL);
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gimp_plugin_menu_register (PLUG_IN_NAME,
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N_("<Image>/Filters/Distorts"));
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@ -227,7 +218,7 @@ run (const gchar *name,
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img_has_alpha = gimp_drawable_has_alpha (drawable->drawable_id);
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gimp_drawable_mask_bounds (drawable->drawable_id,
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&sel_x1, &sel_y1, &sel_x2, &sel_y2);
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&sel_x1, &sel_y1, &sel_x2, &sel_y2);
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/* Calculate scaling parameters */
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@ -284,22 +275,22 @@ run (const gchar *name,
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/* Get information from the dialog */
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if (!whirl_pinch_dialog ())
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return;
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return;
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break;
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case GIMP_RUN_NONINTERACTIVE:
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/* Make sure all the arguments are present */
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if (nparams != 6)
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{
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status = GIMP_PDB_CALLING_ERROR;
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}
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{
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status = GIMP_PDB_CALLING_ERROR;
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}
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else
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{
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wpvals.whirl = param[3].data.d_float;
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wpvals.pinch = param[4].data.d_float;
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wpvals.radius = param[5].data.d_float;
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}
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{
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wpvals.whirl = param[3].data.d_float;
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wpvals.pinch = param[4].data.d_float;
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wpvals.radius = param[5].data.d_float;
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}
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break;
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@ -319,19 +310,19 @@ run (const gchar *name,
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{
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/* Set the tile cache size */
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gimp_tile_cache_ntiles (2 * (drawable->width + gimp_tile_width () - 1) /
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gimp_tile_width ());
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gimp_tile_width ());
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/* Run! */
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whirl_pinch ();
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/* If run mode is interactive, flush displays */
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if (run_mode != GIMP_RUN_NONINTERACTIVE)
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gimp_displays_flush ();
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gimp_displays_flush ();
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/* Store data */
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if (run_mode == GIMP_RUN_INTERACTIVE)
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gimp_set_data (PLUG_IN_NAME, &wpvals, sizeof (whirl_pinch_vals_t));
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gimp_set_data (PLUG_IN_NAME, &wpvals, sizeof (whirl_pinch_vals_t));
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}
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else if (status == GIMP_PDB_SUCCESS)
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status = GIMP_PDB_EXECUTION_ERROR;
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@ -366,7 +357,7 @@ whirl_pinch (void)
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/* Initialize pixel region */
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gimp_pixel_rgn_init (&dest_rgn, drawable,
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sel_x1, sel_y1, sel_width, sel_height, TRUE, TRUE);
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sel_x1, sel_y1, sel_width, sel_height, TRUE, TRUE);
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pft = gimp_pixel_fetcher_new (drawable, FALSE);
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pfb = gimp_pixel_fetcher_new (drawable, FALSE);
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@ -400,87 +391,87 @@ whirl_pinch (void)
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bot_p = bot_row + img_bpp * (sel_width - 1);
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for (col = sel_x1; col < sel_x2; col++)
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{
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if (calc_undistorted_coords (col, row, whirl, wpvals.pinch, &cx, &cy))
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{
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/* We are inside the distortion area */
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{
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if (calc_undistorted_coords (col, row, whirl, wpvals.pinch, &cx, &cy))
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{
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/* We are inside the distortion area */
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/* Top */
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/* Top */
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if (cx >= 0.0)
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ix = (int) cx;
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else
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ix = -((int) -cx + 1);
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if (cx >= 0.0)
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ix = (int) cx;
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else
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ix = -((int) -cx + 1);
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if (cy >= 0.0)
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iy = (int) cy;
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else
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iy = -((int) -cy + 1);
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if (cy >= 0.0)
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iy = (int) cy;
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else
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iy = -((int) -cy + 1);
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gimp_pixel_fetcher_get_pixel (pft, ix, iy, pixel[0]);
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gimp_pixel_fetcher_get_pixel (pft, ix + 1, iy, pixel[1]);
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gimp_pixel_fetcher_get_pixel (pft, ix, iy + 1, pixel[2]);
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gimp_pixel_fetcher_get_pixel (pft, ix + 1, iy + 1, pixel[3]);
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gimp_pixel_fetcher_get_pixel (pft, ix, iy, pixel[0]);
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gimp_pixel_fetcher_get_pixel (pft, ix + 1, iy, pixel[1]);
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gimp_pixel_fetcher_get_pixel (pft, ix, iy + 1, pixel[2]);
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gimp_pixel_fetcher_get_pixel (pft, ix + 1, iy + 1, pixel[3]);
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gimp_bilinear_pixels_8 (top_p, cx, cy, img_bpp, img_has_alpha,
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pixel);
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top_p += img_bpp;
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/* Bottom */
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/* Bottom */
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cx = cen_x + (cen_x - cx);
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cy = cen_y + (cen_y - cy);
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cx = cen_x + (cen_x - cx);
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cy = cen_y + (cen_y - cy);
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if (cx >= 0.0)
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ix = (int) cx;
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else
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ix = -((int) -cx + 1);
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if (cx >= 0.0)
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ix = (int) cx;
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else
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ix = -((int) -cx + 1);
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if (cy >= 0.0)
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iy = (int) cy;
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else
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iy = -((int) -cy + 1);
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if (cy >= 0.0)
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iy = (int) cy;
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else
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iy = -((int) -cy + 1);
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gimp_pixel_fetcher_get_pixel (pfb, ix, iy, pixel[0]);
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gimp_pixel_fetcher_get_pixel (pfb, ix + 1, iy, pixel[1]);
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gimp_pixel_fetcher_get_pixel (pfb, ix, iy + 1, pixel[2]);
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gimp_pixel_fetcher_get_pixel (pfb, ix + 1, iy + 1, pixel[3]);
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gimp_pixel_fetcher_get_pixel (pfb, ix, iy, pixel[0]);
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gimp_pixel_fetcher_get_pixel (pfb, ix + 1, iy, pixel[1]);
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gimp_pixel_fetcher_get_pixel (pfb, ix, iy + 1, pixel[2]);
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gimp_pixel_fetcher_get_pixel (pfb, ix + 1, iy + 1, pixel[3]);
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gimp_bilinear_pixels_8 (bot_p, cx, cy, img_bpp, img_has_alpha,
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pixel);
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bot_p -= img_bpp;
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}
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else
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{
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/* We are outside the distortion area;
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* just copy the source pixels
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*/
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}
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else
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{
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/* We are outside the distortion area;
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* just copy the source pixels
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*/
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/* Top */
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/* Top */
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gimp_pixel_fetcher_get_pixel (pft, col, row, pixel[0]);
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gimp_pixel_fetcher_get_pixel (pft, col, row, pixel[0]);
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for (i = 0; i < img_bpp; i++)
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*top_p++ = pixel[0][i];
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for (i = 0; i < img_bpp; i++)
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*top_p++ = pixel[0][i];
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/* Bottom */
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/* Bottom */
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gimp_pixel_fetcher_get_pixel (pfb,
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(sel_x2 - 1) - (col - sel_x1),
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(sel_y2 - 1) - (row - sel_y1),
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pixel[0]);
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gimp_pixel_fetcher_get_pixel (pfb,
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(sel_x2 - 1) - (col - sel_x1),
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(sel_y2 - 1) - (row - sel_y1),
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pixel[0]);
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for (i = 0; i < img_bpp; i++)
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*bot_p++ = pixel[0][i];
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for (i = 0; i < img_bpp; i++)
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*bot_p++ = pixel[0][i];
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bot_p -= 2 * img_bpp; /* We move backwards! */
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}
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}
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bot_p -= 2 * img_bpp; /* We move backwards! */
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}
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}
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/* Paint rows to image */
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gimp_pixel_rgn_set_row (&dest_rgn, top_row, sel_x1, row, sel_width);
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gimp_pixel_rgn_set_row (&dest_rgn, bot_row,
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sel_x1, (sel_y2 - 1) - (row - sel_y1), sel_width);
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sel_x1, (sel_y2 - 1) - (row - sel_y1), sel_width);
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/* Update progress */
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@ -500,16 +491,16 @@ whirl_pinch (void)
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gimp_drawable_flush (drawable);
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gimp_drawable_merge_shadow (drawable->drawable_id, TRUE);
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gimp_drawable_update (drawable->drawable_id,
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sel_x1, sel_y1, sel_width, sel_height);
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sel_x1, sel_y1, sel_width, sel_height);
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}
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static gint
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calc_undistorted_coords (gdouble wx,
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gdouble wy,
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gdouble whirl,
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gdouble pinch,
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gdouble *x,
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gdouble *y)
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gdouble wy,
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gdouble whirl,
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gdouble pinch,
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gdouble *x,
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gdouble *y)
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{
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gdouble dx, dy;
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gdouble d, factor;
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@ -575,10 +566,8 @@ build_preview_source_image (void)
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guchar pixel[4];
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GimpPixelFetcher *pf;
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wpint.check_row_0 = g_new (guchar, preview_width);
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wpint.check_row_1 = g_new (guchar, preview_width);
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wpint.image = g_new (guchar, preview_width * preview_height * 4);
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wpint.dimage = g_new (guchar, preview_width * preview_height * 3);
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wpint.dimage = g_new (guchar, preview_width * preview_height * 4);
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left = sel_x1;
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right = sel_x2 - 1;
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@ -599,45 +588,32 @@ build_preview_source_image (void)
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px = left;
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for (x = 0; x < preview_width; x++)
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{
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/* Checks */
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{
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/* Thumbnail image */
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if ((x / GIMP_CHECK_SIZE) & 1)
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{
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wpint.check_row_0[x] = GIMP_CHECK_DARK * 255;
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wpint.check_row_1[x] = GIMP_CHECK_LIGHT * 255;
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}
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else
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{
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wpint.check_row_0[x] = GIMP_CHECK_LIGHT * 255;
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wpint.check_row_1[x] = GIMP_CHECK_DARK * 255;
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}
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gimp_pixel_fetcher_get_pixel (pf, (int) px, (int) py, pixel);
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/* Thumbnail image */
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if (img_bpp < 3)
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{
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if (img_has_alpha)
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pixel[3] = pixel[1];
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else
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pixel[3] = 255;
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gimp_pixel_fetcher_get_pixel (pf, (int) px, (int) py, pixel);
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pixel[1] = pixel[0];
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pixel[2] = pixel[0];
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}
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else
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if (!img_has_alpha)
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pixel[3] = 255;
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if (img_bpp < 3)
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{
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if (img_has_alpha)
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pixel[3] = pixel[1];
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else
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pixel[3] = 255;
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*p++ = pixel[0];
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*p++ = pixel[1];
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*p++ = pixel[2];
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*p++ = pixel[3];
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pixel[1] = pixel[0];
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pixel[2] = pixel[0];
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}
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else
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if (!img_has_alpha)
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pixel[3] = 255;
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*p++ = pixel[0];
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*p++ = pixel[1];
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*p++ = pixel[2];
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*p++ = pixel[3];
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px += dx;
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}
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px += dx;
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}
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py += dy;
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}
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@ -662,7 +638,7 @@ whirl_pinch_dialog (void)
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dialog = gimp_dialog_new (_("Whirl and Pinch"), "whirlpinch",
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NULL, 0,
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gimp_standard_help_func, HELP_ID,
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gimp_standard_help_func, HELP_ID,
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GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
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GTK_STOCK_OK, GTK_RESPONSE_OK,
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@ -672,7 +648,7 @@ whirl_pinch_dialog (void)
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vbox = gtk_vbox_new (FALSE, 12);
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gtk_container_set_border_width (GTK_CONTAINER (vbox), 12);
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gtk_box_pack_start (GTK_BOX (GTK_DIALOG(dialog)->vbox), vbox,
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FALSE, FALSE, 0);
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FALSE, FALSE, 0);
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gtk_widget_show (vbox);
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/* Preview */
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@ -686,9 +662,9 @@ whirl_pinch_dialog (void)
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gtk_container_add (GTK_CONTAINER (abox), frame);
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gtk_widget_show (frame);
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wpint.preview = gtk_preview_new (GTK_PREVIEW_COLOR);
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gtk_preview_size (GTK_PREVIEW (wpint.preview),
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preview_width, preview_height);
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wpint.preview = gimp_preview_area_new ();
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gtk_widget_set_size_request (wpint.preview,
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preview_width, preview_height);
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gtk_container_add (GTK_CONTAINER (frame), wpint.preview);
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gtk_widget_show (wpint.preview);
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@ -700,28 +676,28 @@ whirl_pinch_dialog (void)
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gtk_widget_show (table);
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adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 0,
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_("_Whirl angle:"), SCALE_WIDTH, 7,
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wpvals.whirl, -360.0, 360.0, 1.0, 15.0, 2,
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TRUE, 0, 0,
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NULL, NULL);
|
||||
_("_Whirl angle:"), SCALE_WIDTH, 7,
|
||||
wpvals.whirl, -360.0, 360.0, 1.0, 15.0, 2,
|
||||
TRUE, 0, 0,
|
||||
NULL, NULL);
|
||||
g_signal_connect (adj, "value_changed",
|
||||
G_CALLBACK (dialog_scale_update),
|
||||
&wpvals.whirl);
|
||||
|
||||
adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 1,
|
||||
_("_Pinch amount:"), SCALE_WIDTH, 7,
|
||||
wpvals.pinch, -1.0, 1.0, 0.01, 0.1, 3,
|
||||
TRUE, 0, 0,
|
||||
NULL, NULL);
|
||||
_("_Pinch amount:"), SCALE_WIDTH, 7,
|
||||
wpvals.pinch, -1.0, 1.0, 0.01, 0.1, 3,
|
||||
TRUE, 0, 0,
|
||||
NULL, NULL);
|
||||
g_signal_connect (adj, "value_changed",
|
||||
G_CALLBACK (dialog_scale_update),
|
||||
&wpvals.pinch);
|
||||
|
||||
adj = gimp_scale_entry_new (GTK_TABLE (table), 0, 2,
|
||||
_("_Radius:"), SCALE_WIDTH, 7,
|
||||
wpvals.radius, 0.0, 2.0, 0.01, 0.1, 3,
|
||||
TRUE, 0, 0,
|
||||
NULL, NULL);
|
||||
_("_Radius:"), SCALE_WIDTH, 7,
|
||||
wpvals.radius, 0.0, 2.0, 0.01, 0.1, 3,
|
||||
TRUE, 0, 0,
|
||||
NULL, NULL);
|
||||
g_signal_connect (adj, "value_changed",
|
||||
G_CALLBACK (dialog_scale_update),
|
||||
&wpvals.radius);
|
||||
|
|
@ -735,8 +711,6 @@ whirl_pinch_dialog (void)
|
|||
|
||||
gtk_widget_destroy (dialog);
|
||||
|
||||
g_free (wpint.check_row_0);
|
||||
g_free (wpint.check_row_1);
|
||||
g_free (wpint.image);
|
||||
g_free (wpint.dimage);
|
||||
|
||||
|
|
@ -755,8 +729,6 @@ dialog_update_preview (void)
|
|||
gdouble whirl;
|
||||
gdouble scale_x, scale_y;
|
||||
guchar *p_ul, *p_lr, *i, *p;
|
||||
guchar *check_ul, *check_lr;
|
||||
gint check;
|
||||
guchar outside[4];
|
||||
GimpRGB background;
|
||||
|
||||
|
|
@ -776,13 +748,13 @@ dialog_update_preview (void)
|
|||
|
||||
case 3:
|
||||
gimp_rgb_get_uchar (&background,
|
||||
&outside[0], &outside[1], &outside[2]);
|
||||
&outside[0], &outside[1], &outside[2]);
|
||||
outside[3] = 255;
|
||||
break;
|
||||
|
||||
case 4:
|
||||
gimp_rgb_get_uchar (&background,
|
||||
&outside[0], &outside[1], &outside[2]);
|
||||
&outside[0], &outside[1], &outside[2]);
|
||||
outside[3] = 0;
|
||||
break;
|
||||
}
|
||||
|
|
@ -804,88 +776,73 @@ dialog_update_preview (void)
|
|||
py = top;
|
||||
|
||||
p_ul = wpint.dimage;
|
||||
p_lr = wpint.dimage + 3 * (preview_width * preview_height - 1);
|
||||
p_lr = wpint.dimage + 4 * (preview_width * preview_height - 1);
|
||||
|
||||
for (y = 0; y <= (preview_height / 2); y++)
|
||||
{
|
||||
px = left;
|
||||
|
||||
if ((y / GIMP_CHECK_SIZE) & 1)
|
||||
check_ul = wpint.check_row_0;
|
||||
else
|
||||
check_ul = wpint.check_row_1;
|
||||
|
||||
if (((preview_height - y - 1) / GIMP_CHECK_SIZE) & 1)
|
||||
check_lr = wpint.check_row_0;
|
||||
else
|
||||
check_lr = wpint.check_row_1;
|
||||
|
||||
for (x = 0; x < preview_width; x++)
|
||||
{
|
||||
calc_undistorted_coords (px, py, whirl, wpvals.pinch, &cx, &cy);
|
||||
{
|
||||
calc_undistorted_coords (px, py, whirl, wpvals.pinch, &cx, &cy);
|
||||
|
||||
cx = (cx - left) * scale_x;
|
||||
cy = (cy - top) * scale_y;
|
||||
cx = (cx - left) * scale_x;
|
||||
cy = (cy - top) * scale_y;
|
||||
|
||||
/* Upper left mirror */
|
||||
/* Upper left mirror */
|
||||
|
||||
ix = (int) (cx + 0.5);
|
||||
iy = (int) (cy + 0.5);
|
||||
ix = (int) (cx + 0.5);
|
||||
iy = (int) (cy + 0.5);
|
||||
|
||||
check = check_ul[x];
|
||||
if ((ix >= 0) && (ix < preview_width) &&
|
||||
(iy >= 0) && (iy < preview_height))
|
||||
i = wpint.image + 4 * (preview_width * iy + ix);
|
||||
else
|
||||
i = outside;
|
||||
|
||||
if ((ix >= 0) && (ix < preview_width) &&
|
||||
(iy >= 0) && (iy < preview_height))
|
||||
i = wpint.image + 4 * (preview_width * iy + ix);
|
||||
else
|
||||
i = outside;
|
||||
p_ul[0] = i[0];
|
||||
p_ul[1] = i[1];
|
||||
p_ul[2] = i[2];
|
||||
p_ul[3] = i[3];
|
||||
|
||||
p_ul[0] = check + ((i[0] - check) * i[3]) / 255;
|
||||
p_ul[1] = check + ((i[1] - check) * i[3]) / 255;
|
||||
p_ul[2] = check + ((i[2] - check) * i[3]) / 255;
|
||||
p_ul += 4;
|
||||
|
||||
p_ul += 3;
|
||||
/* Lower right mirror */
|
||||
|
||||
/* Lower right mirror */
|
||||
ix = preview_width - ix - 1;
|
||||
iy = preview_height - iy - 1;
|
||||
|
||||
ix = preview_width - ix - 1;
|
||||
iy = preview_height - iy - 1;
|
||||
if ((ix >= 0) && (ix < preview_width) &&
|
||||
(iy >= 0) && (iy < preview_height))
|
||||
i = wpint.image + 4 * (preview_width * iy + ix);
|
||||
else
|
||||
i = outside;
|
||||
|
||||
check = check_lr[preview_width - x - 1];
|
||||
p_lr[0] = i[0];
|
||||
p_lr[1] = i[1];
|
||||
p_lr[2] = i[2];
|
||||
p_lr[3] = i[3];
|
||||
|
||||
if ((ix >= 0) && (ix < preview_width) &&
|
||||
(iy >= 0) && (iy < preview_height))
|
||||
i = wpint.image + 4 * (preview_width * iy + ix);
|
||||
else
|
||||
i = outside;
|
||||
p_lr -= 4;
|
||||
|
||||
p_lr[0] = check + ((i[0] - check) * i[3]) / 255;
|
||||
p_lr[1] = check + ((i[1] - check) * i[3]) / 255;
|
||||
p_lr[2] = check + ((i[2] - check) * i[3]) / 255;
|
||||
|
||||
p_lr -= 3;
|
||||
|
||||
px += dx;
|
||||
}
|
||||
px += dx;
|
||||
}
|
||||
|
||||
py += dy;
|
||||
}
|
||||
|
||||
p = wpint.dimage;
|
||||
|
||||
for (y = 0; y < preview_height; y++)
|
||||
{
|
||||
gtk_preview_draw_row (GTK_PREVIEW (wpint.preview), p, 0, y, preview_width);
|
||||
|
||||
p += preview_width * 3;
|
||||
}
|
||||
|
||||
gtk_widget_queue_draw (wpint.preview);
|
||||
gimp_preview_area_draw (GIMP_PREVIEW_AREA (wpint.preview),
|
||||
0, 0, preview_width, preview_height,
|
||||
GIMP_RGBA_IMAGE,
|
||||
wpint.dimage,
|
||||
preview_width * 4);
|
||||
}
|
||||
|
||||
static void
|
||||
dialog_scale_update (GtkAdjustment *adjustment,
|
||||
gdouble *value)
|
||||
gdouble *value)
|
||||
{
|
||||
gimp_double_adjustment_update (adjustment, value);
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue