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Improve MNG error handling to show error code. Fix code not expecting bitmap_get_buffer() to return 0.

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svn path=/trunk/netsurf/; revision=4237
This commit is contained in:
James Bursa 2008-06-01 00:15:53 +00:00
parent 21a3c99d3d
commit 70c7b81c2f
5 changed files with 107 additions and 41 deletions
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10
image/bmpread.c
View File

@ -425,6 +425,8 @@ bmp_result bmp_decode_rgb24(struct bmp_image *bmp, char **start, int bytes) {
data = *start;
swidth = bitmap_get_rowstride(bmp->bitmap);
top = bitmap_get_buffer(bmp->bitmap);
if (!top)
return BMP_INSUFFICIENT_MEMORY;
bottom = top + swidth * (bmp->height - 1);
end = data + bytes;
addr = ((intptr_t)data) & 3;
@ -485,6 +487,8 @@ bmp_result bmp_decode_rgb16(struct bmp_image *bmp, char **start, int bytes) {
data = *start;
swidth = bitmap_get_rowstride(bmp->bitmap);
top = bitmap_get_buffer(bmp->bitmap);
if (!top)
return BMP_INSUFFICIENT_MEMORY;
bottom = top + swidth * (bmp->height - 1);
end = data + bytes;
addr = ((intptr_t)data) & 3;
@ -552,6 +556,8 @@ bmp_result bmp_decode_rgb(struct bmp_image *bmp, char **start, int bytes) {
data = *start;
swidth = bitmap_get_rowstride(bmp->bitmap);
top = bitmap_get_buffer(bmp->bitmap);
if (!top)
return BMP_INSUFFICIENT_MEMORY;
bottom = top + swidth * (bmp->height - 1);
end = data + bytes;
addr = ((intptr_t)data) & 3;
@ -598,6 +604,8 @@ bmp_result bmp_decode_mask(struct bmp_image *bmp, char *data, int bytes) {
swidth = bitmap_get_rowstride(bmp->bitmap);
top = bitmap_get_buffer(bmp->bitmap);
if (!top)
return BMP_INSUFFICIENT_MEMORY;
bottom = top + swidth * (bmp->height - 1);
end = data + bytes;
addr = ((intptr_t)data) & 3;
@ -642,6 +650,8 @@ bmp_result bmp_decode_rle(struct bmp_image *bmp, char *data, int bytes, int size
swidth = bitmap_get_rowstride(bmp->bitmap);
top = bitmap_get_buffer(bmp->bitmap);
if (!top)
return BMP_INSUFFICIENT_MEMORY;
bottom = top + swidth * (bmp->height - 1);
end = data + bytes;
bmp->decoded = true;

96
image/mng.c
View File

@ -54,7 +54,7 @@ static mng_uint32 nsmng_gettickcount(mng_handle mng);
static mng_bool nsmng_refresh(mng_handle mng, mng_uint32 x, mng_uint32 y, mng_uint32 w, mng_uint32 h);
static mng_bool nsmng_settimer(mng_handle mng, mng_uint32 msecs);
static void nsmng_animate(void *p);
static bool nsmng_broadcast_error(struct content *c);
static bool nsmng_broadcast_error(struct content *c, mng_retcode code);
static mng_bool nsmng_errorproc(mng_handle mng, mng_int32 code,
mng_int8 severity, mng_chunkid chunktype, mng_uint32 chunkseq,
mng_int32 extra1, mng_int32 extra2, mng_pchar text);
@ -65,6 +65,8 @@ static void nsmng_free(mng_ptr p, mng_size_t n);
bool nsmng_create(struct content *c, const char *params[]) {
mng_retcode code;
union content_msg_data msg_data;
assert(c != NULL);
assert(params != NULL);
@ -78,58 +80,70 @@ bool nsmng_create(struct content *c, const char *params[]) {
#endif
if (c->data.mng.handle == MNG_NULL) {
LOG(("Unable to initialise MNG library."));
return nsmng_broadcast_error(c);
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
/* We need to decode in suspension mode
*/
if (mng_set_suspensionmode(c->data.mng.handle, MNG_TRUE) != MNG_NOERROR) {
code = mng_set_suspensionmode(c->data.mng.handle, MNG_TRUE);
if (code) {
LOG(("Unable to set suspension mode."));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
/* We need to register our callbacks
*/
if (mng_setcb_openstream(c->data.mng.handle, nsmng_openstream) != MNG_NOERROR) {
code = mng_setcb_openstream(c->data.mng.handle, nsmng_openstream);
if (code) {
LOG(("Unable to set openstream callback."));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
if (mng_setcb_readdata(c->data.mng.handle, nsmng_readdata) != MNG_NOERROR) {
code = mng_setcb_readdata(c->data.mng.handle, nsmng_readdata);
if (code) {
LOG(("Unable to set readdata callback."));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
if (mng_setcb_closestream(c->data.mng.handle, nsmng_closestream) != MNG_NOERROR) {
code = mng_setcb_closestream(c->data.mng.handle, nsmng_closestream);
if (code) {
LOG(("Unable to set closestream callback."));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
if (mng_setcb_processheader(c->data.mng.handle, nsmng_processheader) != MNG_NOERROR) {
code = mng_setcb_processheader(c->data.mng.handle, nsmng_processheader);
if (code) {
LOG(("Unable to set processheader callback."));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
/* Register our callbacks for displaying
*/
if (mng_setcb_getcanvasline(c->data.mng.handle, nsmng_getcanvasline) != MNG_NOERROR) {
code = mng_setcb_getcanvasline(c->data.mng.handle, nsmng_getcanvasline);
if (code) {
LOG(("Unable to set getcanvasline callback."));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
if (mng_setcb_refresh(c->data.mng.handle, nsmng_refresh) != MNG_NOERROR) {
code = mng_setcb_refresh(c->data.mng.handle, nsmng_refresh);
if (code) {
LOG(("Unable to set refresh callback."));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
if (mng_setcb_gettickcount(c->data.mng.handle, nsmng_gettickcount) != MNG_NOERROR) {
code = mng_setcb_gettickcount(c->data.mng.handle, nsmng_gettickcount);
if (code) {
LOG(("Unable to set gettickcount callback."));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
if (mng_setcb_settimer(c->data.mng.handle, nsmng_settimer) != MNG_NOERROR) {
code = mng_setcb_settimer(c->data.mng.handle, nsmng_settimer);
if (code) {
LOG(("Unable to set settimer callback."));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
/* register error handling function */
if (mng_setcb_errorproc(c->data.mng.handle, nsmng_errorproc) != MNG_NOERROR) {
code = mng_setcb_errorproc(c->data.mng.handle, nsmng_errorproc);
if (code) {
LOG(("Unable to set errorproc"));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, code);
}
/* Initialise the reading
@ -188,6 +202,7 @@ mng_bool nsmng_closestream(mng_handle mng) {
mng_bool nsmng_processheader(mng_handle mng, mng_uint32 width, mng_uint32 height) {
struct content *c;
union content_msg_data msg_data;
char *buffer;
assert(mng != NULL);
@ -205,6 +220,16 @@ mng_bool nsmng_processheader(mng_handle mng, mng_uint32 width, mng_uint32 height
return MNG_FALSE;
}
/* Get the buffer to ensure that it is allocated and the calls in
* nsmng_getcanvasline() succeed. */
buffer = bitmap_get_buffer(c->bitmap);
if (!buffer) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
LOG(("Insufficient memory to create canvas."));
return MNG_FALSE;
}
/* Initialise the content size
*/
c->width = width;
@ -247,7 +272,7 @@ bool nsmng_process_data(struct content *c, char *data, unsigned int size) {
c->data.mng.read_resume = (status == MNG_NEEDMOREDATA);
if ((status != MNG_NOERROR) && (status != MNG_NEEDMOREDATA)) {
LOG(("Failed to start/continue reading (%i).", status));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, status);
}
/* Continue onwards
@ -267,7 +292,7 @@ bool nsmng_convert(struct content *c, int width, int height) {
* and the bitmap created, so ensure that's the case
*/
if (!c->bitmap)
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, -1);
/* Set the title
*/
@ -311,7 +336,7 @@ bool nsmng_convert(struct content *c, int width, int height) {
status = mng_display(c->data.mng.handle);
if ((status != MNG_NOERROR) && (status != MNG_NEEDTIMERWAIT)) {
LOG(("Unable to start display (%i)", status));
return nsmng_broadcast_error(c);
return nsmng_broadcast_error(c, status);
}
bitmap_modified(c->bitmap);
@ -550,23 +575,26 @@ void nsmng_animate(void *p) {
* \param c the content to broadcast for
* \return false
*/
bool nsmng_broadcast_error(struct content *c) {
bool nsmng_broadcast_error(struct content *c, mng_retcode code)
{
union content_msg_data msg_data;
char error[100];
assert(c != NULL);
if (c->type == CONTENT_MNG) {
msg_data.error = messages_get("MNGError");
} else if (c->type == CONTENT_PNG) {
msg_data.error = messages_get("PNGError");
} else {
msg_data.error = messages_get("JNGError");
}
if (code == MNG_OUTOFMEMORY) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
snprintf(error, sizeof error, messages_get("MNGError"), code);
msg_data.error = error;
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
mng_bool nsmng_errorproc(mng_handle mng, mng_int32 code,
mng_int8 severity,
mng_chunkid chunktype, mng_uint32 chunkseq,

9
image/nssprite.c
View File

@ -58,6 +58,8 @@
bool nssprite_convert(struct content *c, int width, int height)
{
union content_msg_data msg_data;
struct rosprite_mem_context* ctx;
ERRCHK(rosprite_create_mem_context((uint8_t *) c->source_data,
c->total_size, &ctx));
@ -73,9 +75,16 @@ bool nssprite_convert(struct content *c, int width, int height)
c->bitmap = bitmap_create(sprite->width, sprite->height, BITMAP_NEW);
if (!c->bitmap) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
char* imagebuf = bitmap_get_buffer(c->bitmap);
if (!imagebuf) {
msg_data.error = messages_get("NoMemory");
content_broadcast(c, CONTENT_MSG_ERROR, msg_data);
return false;
}
unsigned int row_width = bitmap_get_rowstride(c->bitmap);
memcpy(imagebuf, sprite->image, row_width * sprite->height); // TODO: avoid copying entire image buffer

18
riscos/plotters.c
View File

@ -498,7 +498,14 @@ bool ro_plot_arc(int x, int y, int radius, int angle1, int angle2, colour c)
bool ro_plot_bitmap(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg)
{
bitmap_get_buffer(bitmap);
char *buffer;
buffer = bitmap_get_buffer(bitmap);
if (!buffer) {
LOG(("bitmap_get_buffer failed"));
return false;
}
return image_redraw(bitmap->sprite_area,
ro_plot_origin_x + x * 2,
ro_plot_origin_y - y * 2,
@ -516,7 +523,14 @@ bool ro_plot_bitmap_tile(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg,
bool repeat_x, bool repeat_y)
{
bitmap_get_buffer(bitmap);
char *buffer;
buffer = bitmap_get_buffer(bitmap);
if (!buffer) {
LOG(("bitmap_get_buffer failed"));
return false;
}
return image_redraw(bitmap->sprite_area,
ro_plot_origin_x + x * 2,
ro_plot_origin_y - y * 2,

11
riscos/save_draw.c
View File

@ -47,7 +47,7 @@ static bool ro_save_draw_path(float *p, unsigned int n, colour fill,
static bool ro_save_draw_fill(int x0, int y0, int x1, int y1, colour c);
static bool ro_save_draw_clip(int clip_x0, int clip_y0,
int clip_x1, int clip_y1);
static bool ro_save_draw_text(int x, int y, struct css_style *style,
static bool ro_save_draw_text(int x, int y, const struct css_style *style,
const char *text, size_t length, colour bg, colour c);
static bool ro_save_draw_disc(int x, int y, int radius, colour colour,
bool filled);
@ -346,7 +346,7 @@ bool ro_save_draw_clip(int clip_x0, int clip_y0,
}
bool ro_save_draw_text(int x, int y, struct css_style *style,
bool ro_save_draw_text(int x, int y, const struct css_style *style,
const char *text, size_t length, colour bg, colour c)
{
pencil_code code;
@ -380,8 +380,13 @@ bool ro_save_draw_bitmap(int x, int y, int width, int height,
struct bitmap *bitmap, colour bg)
{
pencil_code code;
char *buffer;
bitmap_get_buffer(bitmap);
buffer = bitmap_get_buffer(bitmap);
if (!buffer) {
warn_user("NoMemory", 0);
return false;
}
code = pencil_sprite(ro_save_draw_diagram, x * 2, (-y - height) * 2,
width * 2, height * 2,