summaryrefslogtreecommitdiff
path: root/frontends/amiga/bitmap.h
diff options
context:
space:
mode:
Diffstat (limited to 'frontends/amiga/bitmap.h')
-rwxr-xr-xfrontends/amiga/bitmap.h192
1 files changed, 192 insertions, 0 deletions
diff --git a/frontends/amiga/bitmap.h b/frontends/amiga/bitmap.h
new file mode 100755
index 000000000..d7dd70bce
--- /dev/null
+++ b/frontends/amiga/bitmap.h
@@ -0,0 +1,192 @@
+/*
+ * Copyright 2008,2009 Chris Young <chris@unsatisfactorysoftware.co.uk>
+ *
+ * This file is part of NetSurf, http://www.netsurf-browser.org/
+ *
+ * NetSurf 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; version 2 of the License.
+ *
+ * NetSurf 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef AMIGA_BITMAP_H
+#define AMIGA_BITMAP_H
+
+#include <stdbool.h>
+#include <exec/types.h>
+#include <proto/graphics.h>
+#include <intuition/classusr.h>
+#include <libraries/Picasso96.h>
+
+#define AMI_BITMAP_FORMAT RGBFB_R8G8B8A8
+#define AMI_BITMAP_SCALE_ICON 0xFF
+
+struct gui_bitmap_table *amiga_bitmap_table;
+struct bitmap;
+struct nsurl;
+
+struct BitMap *ami_bitmap_get_native(struct bitmap *bitmap,
+ int width, int height, struct BitMap *friendbm);
+PLANEPTR ami_bitmap_get_mask(struct bitmap *bitmap, int width,
+ int height, struct BitMap *n_bm);
+
+Object *ami_datatype_object_from_bitmap(struct bitmap *bitmap);
+struct bitmap *ami_bitmap_from_datatype(char *filename);
+
+/**
+ * Set bitmap URL
+ *
+ * \param bm a bitmap, as returned by bitmap_create()
+ * \param title a pointer to a title string
+ *
+ * A reference will be kept by the bitmap object.
+ * The URL can only ever be set once for a bitmap.
+ */
+void ami_bitmap_set_url(struct bitmap *bm, struct nsurl *url);
+
+/**
+ * Set bitmap title
+ *
+ * \param bm a bitmap, as returned by bitmap_create()
+ * \param title a pointer to a title string
+ *
+ * This is copied by the bitmap object.
+ * The title can only ever be set once for a bitmap.
+ */
+void ami_bitmap_set_title(struct bitmap *bm, const char *title);
+
+/**
+ * Get an icondata pointer
+ *
+ * \param bm a bitmap, as returned by bitmap_create()
+ * \return pointer to the icondata area
+ *
+ * This function probably shouldn't be here!
+ */
+ULONG *ami_bitmap_get_icondata(struct bitmap *bm);
+
+/**
+ * Set an icondata pointer
+ *
+ * \param bm a bitmap, as returned by bitmap_create()
+ * \param icondata a pointer to memory
+ *
+ * This function probably shouldn't be here!
+ */
+void ami_bitmap_set_icondata(struct bitmap *bm, ULONG *icondata);
+
+/**
+ * Test if a BitMap is owned by a bitmap.
+ *
+ * \param bm a bitmap, as returned by bitmap_create()
+ * \param nbm a BitMap, as created by AllocBitMap()
+ * \return true if the BitMap is owned by the bitmap
+ */
+bool ami_bitmap_is_nativebm(struct bitmap *bm, struct BitMap *nbm);
+
+/**
+ * Cleanup bitmap allocations
+ */
+void ami_bitmap_fini(void);
+
+/**
+ * Create a bitmap.
+ *
+ * \param width width of image in pixels
+ * \param height width of image in pixels
+ * \param state a flag word indicating the initial state
+ * \return an opaque struct bitmap, or NULL on memory exhaustion
+ */
+void *amiga_bitmap_create(int width, int height, unsigned int state);
+
+/**
+ * Return a pointer to the pixel data in a bitmap.
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ * \return pointer to the pixel buffer
+ *
+ * The pixel data is packed as BITMAP_FORMAT, possibly with padding at the end
+ * of rows. The width of a row in bytes is given by bitmap_get_rowstride().
+ */
+unsigned char *amiga_bitmap_get_buffer(void *bitmap);
+
+/**
+ * Find the width of a pixel row in bytes.
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ * \return width of a pixel row in the bitmap
+ */
+size_t amiga_bitmap_get_rowstride(void *bitmap);
+
+/**
+ * Return the width of a bitmap.
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ * \return width in pixels
+ */
+int bitmap_get_width(void *bitmap);
+
+/**
+ * Return the height of a bitmap.
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ * \return height in pixels
+ */
+int bitmap_get_height(void *bitmap);
+
+/**
+ * Free a bitmap.
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ */
+void amiga_bitmap_destroy(void *bitmap);
+
+/**
+ * Save a bitmap in the platform's native format.
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ * \param path pathname for file
+ * \param flags flags controlling how the bitmap is saved.
+ * \return true on success, false on error and error reported
+ */
+bool amiga_bitmap_save(void *bitmap, const char *path, unsigned flags);
+
+/**
+ * The bitmap image has changed, so flush any persistant cache.
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ */
+void amiga_bitmap_modified(void *bitmap);
+
+/**
+ * Sets whether a bitmap should be plotted opaque
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ * \param opaque whether the bitmap should be plotted opaque
+ */
+void amiga_bitmap_set_opaque(void *bitmap, bool opaque);
+
+/**
+ * Tests whether a bitmap has an opaque alpha channel
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ * \return whether the bitmap is opaque
+ */
+bool amiga_bitmap_test_opaque(void *bitmap);
+
+/**
+ * Gets whether a bitmap should be plotted opaque
+ *
+ * \param bitmap a bitmap, as returned by bitmap_create()
+ */
+bool amiga_bitmap_get_opaque(void *bitmap);
+
+
+#endif