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-rw-r--r--atari/bitmap.c455
1 files changed, 0 insertions, 455 deletions
diff --git a/atari/bitmap.c b/atari/bitmap.c
deleted file mode 100644
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--- a/atari/bitmap.c
+++ /dev/null
@@ -1,455 +0,0 @@
-/*
- * Copyright 2010 Ole Loots <ole@monochrom.net>
- *
- * 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/>.
- */
-
-#include <inttypes.h>
-#include <sys/types.h>
-#include <string.h>
-#include <assert.h>
-#include <stdlib.h>
-
-#include "utils/nsoption.h"
-#include "utils/log.h"
-#include "image/bitmap.h"
-#include "desktop/mouse.h"
-
-#include "atari/bitmap.h"
-#include "atari/plot/plot.h"
-
-
-/*
- * param bpp bits per pixel,
- * param w width of the buffer (in pixel)
- * param h height of the buffer (in pixel)
- * param flags MFDB_FLAG_NOALLOC | MFDB_FLAG_ZEROMEM | MFDB_FLAG_STAND
- * returns size of the fd_addr buffer required or allocated
-*/
-int init_mfdb(int bpp, int w, int h, uint32_t flags, MFDB * out )
-{
- int dststride;
- dststride = MFDB_STRIDE( w );
- int size = MFDB_SIZE( bpp, dststride, h );
- if( bpp > 0 ) {
- if( (flags & MFDB_FLAG_NOALLOC) == 0 ) {
- out->fd_addr = malloc( size );
- if( out->fd_addr == NULL ){
- return( 0 );
- }
- if( (flags & MFDB_FLAG_ZEROMEM) ){
- memset( out->fd_addr, 0, size );
- }
- }
- out->fd_stand = (flags & MFDB_FLAG_STAND) ? 1 : 0;
- out->fd_nplanes = (short)bpp;
- out->fd_r1 = out->fd_r2 = out->fd_r3 = 0;
- } else {
- memset( out, 0, sizeof(MFDB) );
- }
- out->fd_w = dststride;
- out->fd_h = h;
- out->fd_wdwidth = dststride >> 4;
- return( size );
-}
-
-
-/**
- * Create a bitmap.
- *
- * \param w width of image in pixels
- * \param h height of image in pixels
- * \param bpp number of BYTES per pixel
- * \param rowstride linewidth in bytes
- * \param state a flag word indicating the initial state
- * \param pixdata NULL or an memory address to use as the bitmap pixdata
- * \return an opaque struct bitmap, or NULL on memory exhaustion
- */
-static void *atari_bitmap_create_ex( int w, int h, short bpp, int rowstride, unsigned int state, void * pixdata )
-{
- struct bitmap * bitmap;
-
- LOG("width %d (rowstride: %d, bpp: %d), height %d, state %u", w, rowstride, bpp, h, state);
-
- if( rowstride == 0) {
- rowstride = bpp * w;
- }
-
- assert( rowstride >= (w * bpp) );
- bitmap = calloc(1 , sizeof(struct bitmap) );
- if (bitmap) {
- if( pixdata == NULL) {
- bitmap->pixdata = calloc(1, (rowstride * h)+128);
- }
- else {
- bitmap->pixdata = pixdata;
- }
-
- if (bitmap->pixdata != NULL) {
- bitmap->width = w;
- bitmap->height = h;
- bitmap->opaque = (state & BITMAP_OPAQUE) ? true : false;
- bitmap->bpp = bpp;
- bitmap->resized = NULL;
- bitmap->rowstride = rowstride;
- } else {
- free(bitmap);
- bitmap=NULL;
- LOG("Out of memory!");
- }
- }
- LOG("bitmap %p", bitmap);
- return bitmap;
-}
-
-
-/* exported interface documented in atari/bitmap.h */
-void *atari_bitmap_create(int w, int h, unsigned int state)
-{
- return atari_bitmap_create_ex( w, h, NS_BMP_DEFAULT_BPP, w * NS_BMP_DEFAULT_BPP, state, NULL );
-}
-
-/**
- * The bitmap image has changed, so flush any persistant cache.
- *
- * \param bitmap a bitmap, as returned by bitmap_create()
- */
-static void bitmap_modified(void *bitmap)
-{
- struct bitmap *bm = bitmap;
- if( bm->resized != NULL ) {
- atari_bitmap_destroy( bm->resized );
- bm->resized = NULL;
- }
- if( bm->converted ){
- if( bm->pixdata != bm->native.fd_addr ){
- free( bm->native.fd_addr );
- }
- bm->native.fd_addr = NULL;
- bm->converted = false;
- }
-}
-
-
-/* exported interface documented in atari/bitmap.h */
-void *atari_bitmap_realloc( int w, int h, short bpp, int rowstride, unsigned int state, void * bmp )
-{
- struct bitmap * bitmap = bmp;
- int newsize = rowstride * h;
-
- if( bitmap == NULL ) {
- return( NULL );
- }
-
- assert( bitmap->pixdata != NULL );
- int oldsize = bitmap->rowstride * bitmap->height;
- bool doalloc = (state & BITMAP_GROW) ? (newsize > oldsize) : (newsize != oldsize);
- if( newsize > oldsize )
- assert( doalloc == true );
- if( doalloc ) {
- // TODO: set red band to a specific value and check the red band
- // on bitmap_destroy()
- bitmap->pixdata = realloc( bitmap->pixdata, newsize + 128 );
- if( bitmap->pixdata == NULL )
- return( NULL );
- }
-
- if( state & BITMAP_CLEAR ){
- memset( bitmap->pixdata, 0x00, newsize + 128 );
- }
-
- bitmap->width = w;
- bitmap->height = h;
- bitmap->bpp = bpp;
- bitmap->resized = NULL;
- bitmap->rowstride = rowstride;
- bitmap_modified( bitmap );
- return( bitmap );
-}
-
-
-/**
- * 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().
- */
-static unsigned char *bitmap_get_buffer(void *bitmap)
-{
- struct bitmap *bm = bitmap;
-
- if (bitmap == NULL) {
- LOG("NULL bitmap!");
- return NULL;
- }
-
- return bm->pixdata;
-}
-
-
-/* exported interface documented in atari/bitmap.h */
-size_t atari_bitmap_buffer_size(void *bitmap)
-{
- struct bitmap * bm = bitmap;
- if( bm == NULL )
- return 0;
- return( bm->rowstride * bm->height );
-}
-
-
-/* exported interface documented in atari/bitmap.h */
-size_t atari_bitmap_get_rowstride(void *bitmap)
-{
- struct bitmap *bm = bitmap;
-
- if (bitmap == NULL) {
- LOG("NULL bitmap!");
- return 0;
- }
- return bm->rowstride;
-}
-
-
-/* exported interface documented in atari/bitmap.h */
-void atari_bitmap_destroy(void *bitmap)
-{
- struct bitmap *bm = bitmap;
-
- if (bitmap == NULL) {
- LOG("NULL bitmap!");
- return;
- }
-
- if( bm->resized != NULL ) {
- atari_bitmap_destroy(bm->resized);
- }
- if( bm->converted && ( bm->native.fd_addr != bm->pixdata ) ) {
- free( bm->native.fd_addr );
- }
- free(bm->pixdata);
- free(bm);
-}
-
-
-/**
- * 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
- */
-
-static bool bitmap_save(void *bitmap, const char *path, unsigned flags)
-{
- return true;
-}
-
-
-/**
- * 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
- */
-static void bitmap_set_opaque(void *bitmap, bool opaque)
-{
- struct bitmap *bm = bitmap;
-
- if (bitmap == NULL) {
- LOG("NULL bitmap!");
- return;
- }
-
- LOG("setting bitmap %p to %s", bm, opaque ? "opaque" : "transparent");
- bm->opaque = 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
- */
-static bool bitmap_test_opaque(void *bitmap)
-{
- int tst;
- struct bitmap *bm = bitmap;
-
- if (bitmap == NULL) {
- LOG("NULL bitmap!");
- return false;
- }
-
- if( nsoption_int(atari_transparency) == 0 ){
- return( true );
- }
-
- tst = bm->width * bm->height;
-
- while (tst-- > 0) {
- if (bm->pixdata[(tst << 2) + 3] != 0xff) {
- LOG("bitmap %p has transparency", bm);
- return false;
- }
- }
- LOG("bitmap %p is opaque", bm);
- return true;
-}
-
-
-/* exported interface documented in atari/bitmap.h */
-bool atari_bitmap_get_opaque(void *bitmap)
-{
- struct bitmap *bm = bitmap;
-
- if (bitmap == NULL) {
- LOG("NULL bitmap!");
- return false;
- }
-
- return bm->opaque;
-}
-
-
-/* exported interface documented in atari/bitmap.h */
-int atari_bitmap_get_width(void *bitmap)
-{
- struct bitmap *bm = bitmap;
-
- if (bitmap == NULL) {
- LOG("NULL bitmap!");
- return 0;
- }
-
- return(bm->width);
-}
-
-
-/* exported interface documented in atari/bitmap.h */
-int atari_bitmap_get_height(void *bitmap)
-{
- struct bitmap *bm = bitmap;
-
- if (bitmap == NULL) {
- LOG("NULL bitmap!");
- return 0;
- }
- return(bm->height);
-}
-
-
-/**
- * Gets the number of BYTES per pixel.
- */
-static size_t bitmap_get_bpp(void *bitmap)
-{
- struct bitmap *bm = bitmap;
- return bm->bpp;
-}
-
-/* exported interface documented in atari/bitmap.h */
-bool atari_bitmap_resize(struct bitmap *img, HermesHandle hermes_h,
- HermesFormat *fmt, int nw, int nh)
-{
- unsigned int state = 0;
- short bpp = bitmap_get_bpp( img );
- int stride = atari_bitmap_get_rowstride( img );
- int err;
-
- if( img->resized != NULL ) {
- if( img->resized->width != nw || img->resized->height != nh ) {
- atari_bitmap_destroy( img->resized );
- img->resized = NULL;
- } else {
- /* the bitmap is already resized */
- return(true);
- }
- }
-
- /* allocate the mem for resized bitmap */
- if (img->opaque == true) {
- state |= BITMAP_OPAQUE;
- }
- img->resized = atari_bitmap_create_ex( nw, nh, bpp, nw*bpp, state, NULL );
- if( img->resized == NULL ) {
- printf("W: %d, H: %d, bpp: %d\n", nw, nh, bpp);
- assert(img->resized);
- return(false);
- }
-
- /* allocate an converter, only for resizing */
- err = Hermes_ConverterRequest( hermes_h,
- fmt,
- fmt
- );
- if( err == 0 ) {
- return(false);
- }
-
- err = Hermes_ConverterCopy( hermes_h,
- img->pixdata,
- 0, /* x src coord of top left in pixel coords */
- 0, /* y src coord of top left in pixel coords */
- atari_bitmap_get_width( img ),
- atari_bitmap_get_height( img ),
- stride, /* stride as bytes */
- img->resized->pixdata,
- 0, /* x dst coord of top left in pixel coords */
- 0, /* y dst coord of top left in pixel coords */
- nw, nh,
- atari_bitmap_get_rowstride(img->resized) /* stride as bytes */
- );
- if( err == 0 ) {
- atari_bitmap_destroy( img->resized );
- img->resized = NULL;
- return(false);
- }
-
- return(true);
-}
-
-static nserror bitmap_render(struct bitmap *bitmap, struct hlcache_handle *content)
-{
- return NSERROR_NOT_IMPLEMENTED;
-}
-
-static struct gui_bitmap_table bitmap_table = {
- .create = atari_bitmap_create,
- .destroy = atari_bitmap_destroy,
- .set_opaque = bitmap_set_opaque,
- .get_opaque = atari_bitmap_get_opaque,
- .test_opaque = bitmap_test_opaque,
- .get_buffer = bitmap_get_buffer,
- .get_rowstride = atari_bitmap_get_rowstride,
- .get_width = atari_bitmap_get_width,
- .get_height = atari_bitmap_get_height,
- .get_bpp = bitmap_get_bpp,
- .save = bitmap_save,
- .modified = bitmap_modified,
- .render = bitmap_render,
-};
-
-struct gui_bitmap_table *atari_bitmap_table = &bitmap_table;
-
-/*
- * Local Variables:
- * c-basic-offset:8
- * End:
- */
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