diff options
Diffstat (limited to 'io-psd.c')
| -rw-r--r-- | io-psd.c | 114 |
1 files changed, 62 insertions, 52 deletions
@@ -108,6 +108,7 @@ typedef struct guint current_row; guint position; // ? redundant? guint16* lines_lengths; + gboolean finalized; } PsdContext; static guint16 @@ -424,18 +425,15 @@ gdk_pixbuf__psd_image_begin_load (GdkPixbufModuleSizeFunc size_func, context->state = PSD_STATE_HEADER; // we'll allocate larger buffer once we know image size - context->buffer = g_malloc(256); + context->buffer = g_malloc(PSD_HEADER_SIZE); reset_context(context); - //context->bytes_read = 0; - //context->bytes_to_skip = 0; - //context->bytes_to_skip_known = FALSE; - context->channels_buffers = NULL; context->current_channel = 0; context->current_row = 0; context->position = 0; context->lines_lengths = NULL; + context->finalized = FALSE; return (gpointer) context; } @@ -451,32 +449,8 @@ gdk_pixbuf__psd_image_stop_load (gpointer context_ptr, GError **error) error, GDK_PIXBUF_ERROR, GDK_PIXBUF_ERROR_CORRUPT_IMAGE, - ("PSD file was corrupted or incomplete.")); + ("PSD file was corrupted or incomplete. (not PSD_STATE_DONE)")); retval = FALSE; - } else { - // convert or copy channel buffers to our GdkPixbuf - - //for (int i = 0; i < ctx->channels; i++) { - guchar* pixels = gdk_pixbuf_get_pixels(ctx->pixbuf); - for (int i = 0; i < ctx->height; i++) { - for (int j = 0; j < ctx->width; j++) { - pixels[3*j+0] = 0x00; - pixels[3*j+1] = 0x00; - pixels[3*j+2] = 0x00; - } - pixels += gdk_pixbuf_get_rowstride(ctx->pixbuf); - } - - for (int i = 0; i < 3; i++) { - guchar* pixels = gdk_pixbuf_get_pixels(ctx->pixbuf); - for (int j = 0; j < ctx->height; j++) { - guchar* src_buf = &ctx->channels_buffers[i][ctx->width * j]; - for (int k = 0; k < ctx->width; k++) { - pixels[3 * k + i] = src_buf[k]; - } - pixels += gdk_pixbuf_get_rowstride(ctx->pixbuf); - } - } } g_free (ctx->buffer); // TODO a few more buffers need freeing @@ -511,6 +485,25 @@ gdk_pixbuf__psd_image_load_increment (gpointer context_ptr, ctx->depth = hd.depth; ctx->color_mode = hd.color_mode; + g_message("color_mode=%d, channels=%d, depth=%d", + ctx->color_mode, ctx->channels, ctx->depth); + + if (ctx->color_mode != PSD_MODE_RGB/* && + ctx->color_mode != PSD_MODE_CMYK*/ + ) { + g_set_error (error, GDK_PIXBUF_ERROR, + GDK_PIXBUF_ERROR_UNKNOWN_TYPE, + ("Unsupported color mode")); + return FALSE; + } + + if (ctx->depth != 8) { + g_set_error (error, GDK_PIXBUF_ERROR, + GDK_PIXBUF_ERROR_UNKNOWN_TYPE, + ("Unsupported color depth")); + return FALSE; + } + if (ctx->size_func) { gint w = ctx->width; gint h = ctx->height; @@ -613,23 +606,31 @@ gdk_pixbuf__psd_image_load_increment (gpointer context_ptr, } break; case PSD_STATE_CHANNEL_DATA: - if (context->compression == PSD_COMPRESSION_RLE) { - guint line_length = ctx->lines_lengths[ - ctx->current_channel * ctx->height + ctx->current_row]; - if (feed_buffer(ctx->buffer, &ctx->bytes_read, &data, - &size, line_length)) + guint line_length = ctx->width; + if (ctx->compression == PSD_COMPRESSION_RLE) { + line_length = ctx->lines_lengths[ + ctx->current_channel * ctx->height + ctx->current_row]; + } + + if (feed_buffer(ctx->buffer, &ctx->bytes_read, &data, &size, + line_length)) { ctx->bytes_read = 0; - decompress_line( - ctx->buffer, - line_length, - ctx->channels_buffers[ctx->current_channel] - + ctx->position - ); - context->position += context->width; - ++context->current_row; - + + if (ctx->compression == PSD_COMPRESSION_RLE) { + decompress_line(ctx->buffer, line_length, + ctx->channels_buffers[ctx->current_channel] + + ctx->position + ); + } else { + memcpy(ctx->channels_buffers[ctx->current_channel] + + ctx->position, ctx->buffer, ctx->width); + } + + ctx->position += ctx->width; + ++ctx->current_row; + if (ctx->current_row >= ctx->height) { ++ctx->current_channel; ctx->current_row = 0; @@ -639,14 +640,6 @@ gdk_pixbuf__psd_image_load_increment (gpointer context_ptr, } } } - } else { - if (feed_buffer( - context->buffer, &context->bytes_read, - &data, &size, context->width)) - { - //memcpy(dest, context->buffer, context->hd.columns); - // TODO - } } break; case PSD_STATE_DONE: @@ -655,6 +648,23 @@ gdk_pixbuf__psd_image_load_increment (gpointer context_ptr, break; } } + + if (ctx->state == PSD_STATE_DONE && !ctx->finalized) { + // convert or copy channel buffers to our GdkPixbuf + if (ctx->color_mode == PSD_MODE_RGB) { + guchar* pixels = gdk_pixbuf_get_pixels(ctx->pixbuf); + for (int i = 0; i < ctx->height; i++) { + for (int j = 0; j < ctx->width; j++) { + pixels[3*j+0] = ctx->channels_buffers[0][ctx->width*i + j]; + pixels[3*j+1] = ctx->channels_buffers[1][ctx->width*i + j]; + pixels[3*j+2] = ctx->channels_buffers[2][ctx->width*i + j]; + } + pixels += gdk_pixbuf_get_rowstride(ctx->pixbuf); + } + } + ctx->finalized = TRUE; + } + return TRUE; } |