mhu/gds-render
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smaller fixes, started boundary box scanner. Rotation, scaling and flipping is not handled correctly yet

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This commit is contained in:
Mario Hüttel 2018-07-04 09:49:04 +02:00
parent 221d5a5db5
commit 542737622f
3 changed files with 144 additions and 35 deletions
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99
gds-parser/gds-parser.c
View File

@ -36,6 +36,8 @@
#define GDS_ERROR(fmt, ...) printf("[PARSE_ERROR] " fmt "\n", ##__VA_ARGS__)
#define GDS_WARN(fmt, ...) printf("[PARSE_WARNING] " fmt "\n", ##__VA_ARGS__)
#define MIN(a,b) (((a) < (b)) ? (a) : (b))
#define MAX(a,b) (((a) > (b)) ? (a) : (b))
enum record {
INVALID = 0x0000,
@ -223,6 +225,7 @@ static GList *append_cell(GList *curr_list, struct gds_cell **cell_ptr)
cell->child_cells = NULL;
cell->graphic_objs = NULL;
cell->name[0] = 0;
cell->bounding_box.scanned = FALSE;
} else
return NULL;
/* return cell */
@ -347,6 +350,97 @@ void scan_library_references(gpointer library_list_item, gpointer user)
g_list_foreach(lib->cells, scan_cell_reference_dependencies, lib);
}
static void cell_create_bounding_box(struct gds_cell *cell)
{
GList *ref;
GList *gfx_list;
GList *vertex_list;
struct gds_cell_instance *cell_inst;
struct gds_graphics *gfx;
struct gds_point *vertex;
int xlow=0, xhigh=0, ylow=0, yhigh=0;
gboolean first = TRUE;
if (cell->bounding_box.scanned == TRUE)
return;
/* Generate bounding boxes of child cells and update current box*/
for (ref = cell->child_cells; ref != NULL; ref = ref->next) {
cell_inst = (struct gds_cell_instance *)ref->data;
if (cell_inst->cell_ref) {
if (cell_inst->cell_ref->bounding_box.scanned == FALSE)
cell_create_bounding_box(cell_inst->cell_ref);
/* TODO: calculate rotation and inversion to process size correctly */
if (cell_inst->cell_ref->bounding_box.scanned == TRUE) {
if (first == TRUE) {
xlow = cell_inst->cell_ref->bounding_box.coords[0].x +
cell_inst->origin.x;
ylow = cell_inst->cell_ref->bounding_box.coords[0].y +
cell_inst->origin.y;
xhigh = cell_inst->cell_ref->bounding_box.coords[1].x +
cell_inst->origin.x;
yhigh = cell_inst->cell_ref->bounding_box.coords[1].y +
cell_inst->origin.y;
first = FALSE;
} else {
xlow = MIN(cell_inst->cell_ref->bounding_box.coords[0].x +
cell_inst->origin.x, xlow);
ylow = MIN(cell_inst->cell_ref->bounding_box.coords[0].y +
cell_inst->origin.y, ylow);
xhigh = MAX(cell_inst->cell_ref->bounding_box.coords[1].x +
cell_inst->origin.x, xhigh);
yhigh = MAX(cell_inst->cell_ref->bounding_box.coords[1].y +
cell_inst->origin.y, yhigh);
}
} else
GDS_WARN("Unscanned cells present. This should not happen");
} else
GDS_WARN("Cell referenced that does not exist: %s. Bounding box might be incorrect.",
cell_inst->ref_name);
}
/* Generate update box using graphic objects*/
for (gfx_list = cell->graphic_objs; gfx_list != NULL; gfx_list = gfx_list->next) {
gfx = (struct gds_graphics *)gfx_list->data;
for (vertex_list = gfx->vertices; vertex_list != NULL; vertex_list = vertex_list->next) {
vertex = (struct gds_point *)vertex_list->data;
if (first == TRUE) {
xlow = vertex->x - (gfx->gfx_type == GRAPHIC_PATH ? gfx->width_absolute / 2: 0);
ylow = vertex->y - (gfx->gfx_type == GRAPHIC_PATH ? gfx->width_absolute / 2 : 0);
xhigh = vertex->x + (gfx->gfx_type == GRAPHIC_PATH ? gfx->width_absolute / 2: 0);
yhigh = vertex->y + (gfx->gfx_type == GRAPHIC_PATH ? gfx->width_absolute / 2 : 0);
first = FALSE;
} else {
xlow = MIN(xlow, vertex->x - (gfx->gfx_type == GRAPHIC_PATH ? gfx->width_absolute / 2 : 0));
ylow = MIN(ylow, vertex->y - (gfx->gfx_type == GRAPHIC_PATH ? gfx->width_absolute / 2 : 0));
xhigh = MAX(xhigh, vertex->x + (gfx->gfx_type == GRAPHIC_PATH ? gfx->width_absolute / 2 : 0));
yhigh = MAX(yhigh, vertex->y + (gfx->gfx_type == GRAPHIC_PATH ? gfx->width_absolute / 2 : 0));
}
}
}
printf("Cell '%s' has size: %d / %d\n", cell->name, xhigh - xlow, yhigh - ylow);
cell->bounding_box.coords[0].x = xlow;
cell->bounding_box.coords[0].y = ylow;
cell->bounding_box.coords[1].x = xhigh;
cell->bounding_box.coords[1].y = yhigh;
cell->bounding_box.scanned = TRUE;
}
static void library_create_bounding_boxes(gpointer library_list_item, gpointer user)
{
GList *cell_list;
struct gds_library *lib = (struct gds_library *)library_list_item;
if (!lib)
return;
for (cell_list = lib->cells; cell_list != NULL; cell_list = cell_list->next) {
cell_create_bounding_box((struct gds_cell *)cell_list->data);
}
}
void gds_parse_date(const char *buffer, int length, struct gds_time_field *mod_date, struct gds_time_field *access_date)
{
@ -727,8 +821,13 @@ int parse_gds_from_file(const char *filename, GList **library_list)
if (!run) {
/* Iterate and find references to cells */
g_list_foreach(lib_list, scan_library_references, NULL);
/* Create bounding boxes */
g_list_foreach(lib_list, library_create_bounding_boxes, NULL);
}
*library_list = lib_list;
free(workbuff);

16
gds-parser/gds-types.h
View File

@ -9,6 +9,16 @@
enum graphics_type {GRAPHIC_PATH = 0, GRAPHIC_POLYGON = 1};
enum path_type {PATH_FLUSH = 0, PATH_ROUNDED = 1, PATH_SQUARED = 2};
struct gds_point {
int x;
int y;
};
struct gds_bounding_box {
gboolean scanned;
struct gds_point coords[2];
};
struct gds_time_field {
uint16_t year;
uint16_t month;
@ -18,11 +28,6 @@ struct gds_time_field {
uint16_t second;
};
struct gds_point {
int x;
int y;
};
struct gds_graphics {
enum graphics_type gfx_type;
GList *vertices;
@ -47,6 +52,7 @@ struct gds_cell {
struct gds_time_field access_time;
GList *child_cells;
GList *graphic_objs;
struct gds_bounding_box bounding_box;
};
struct gds_library {

6
latex-output/latex-output.c
View File

@ -157,6 +157,11 @@ static void render_cell(struct gds_cell *cell, GList *layer_infos, FILE *tex_fil
/* Draw polygons of childs */
for (list_child = cell->child_cells; list_child != NULL; list_child = list_child->next) {
inst = (struct gds_cell_instance *)list_child->data;
/* Abort if cell has no reference */
if (!inst->cell_ref)
continue;
/* generate translation scope */
g_string_printf(buffer, "\\begin{scope}[shift={(%lf pt,%lf pt)}]\n",
((double)inst->origin.x)/1000.0,((double)inst->origin.y)/1000.0);
@ -168,7 +173,6 @@ static void render_cell(struct gds_cell *cell, GList *layer_infos, FILE *tex_fil
g_string_printf(buffer, "\\begin{scope}[yscale=%s]\n", (inst->flipped ? "-1" : "1"));
WRITEOUT_BUFFER(buffer);
if (inst->cell_ref)
render_cell(inst->cell_ref, layer_infos, tex_file, buffer);
g_string_printf(buffer, "\\end{scope}\n");