static cairo_status_t
_cairo_meta_surface_replay_internal (cairo_surface_t *surface,
cairo_surface_t *target,
cairo_meta_replay_type_t type,
cairo_meta_region_type_t region)
{
cairo_meta_surface_t *meta;
cairo_command_t *command, **elements;
int i, num_elements;
cairo_int_status_t status, status2;
cairo_clip_t clip, *old_clip;
cairo_bool_t has_device_transform = _cairo_surface_has_device_transform (target);
cairo_matrix_t *device_transform = &target->device_transform;
cairo_path_fixed_t path_copy, *dev_path;
if (surface->status)
return surface->status;
if (target->status)
return _cairo_surface_set_error (surface, target->status);
meta = (cairo_meta_surface_t *) surface;
status = CAIRO_STATUS_SUCCESS;
_cairo_clip_init (&clip, target);
old_clip = _cairo_surface_get_clip (target);
num_elements = meta->commands.num_elements;
elements = _cairo_array_index (&meta->commands, 0);
for (i = meta->replay_start_idx; i < num_elements; i++) {
command = elements[i];
if (type == CAIRO_META_REPLAY && region != CAIRO_META_REGION_ALL) {
if (command->header.region != region)
continue;
}
/* For all commands except intersect_clip_path, we have to
* ensure the current clip gets set on the surface. */
if (command->header.type != CAIRO_COMMAND_INTERSECT_CLIP_PATH) {
status = _cairo_surface_set_clip (target, &clip);
if (status)
break;
}
dev_path = _cairo_command_get_path (command);
if (dev_path && has_device_transform) {
status = _cairo_path_fixed_init_copy (&path_copy, dev_path);
if (status)
break;
_cairo_path_fixed_transform (&path_copy, device_transform);
dev_path = &path_copy;
}
switch (command->header.type) {
case CAIRO_COMMAND_PAINT:
status = _cairo_surface_paint (target,
command->paint.op,
&command->paint.source.base);
break;
case CAIRO_COMMAND_MASK:
status = _cairo_surface_mask (target,
command->mask.op,
&command->mask.source.base,
&command->mask.mask.base);
break;
case CAIRO_COMMAND_STROKE:
{
cairo_matrix_t dev_ctm = command->stroke.ctm;
cairo_matrix_t dev_ctm_inverse = command->stroke.ctm_inverse;
if (has_device_transform) {
cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform);
cairo_matrix_multiply (&dev_ctm_inverse,
&surface->device_transform_inverse,
&dev_ctm_inverse);
}
status = _cairo_surface_stroke (target,
command->stroke.op,
&command->stroke.source.base,
dev_path,
&command->stroke.style,
&dev_ctm,
&dev_ctm_inverse,
command->stroke.tolerance,
command->stroke.antialias);
break;
}
case CAIRO_COMMAND_FILL:
{
cairo_command_t *stroke_command;
if (type != CAIRO_META_CREATE_REGIONS)
stroke_command = (i < num_elements - 1) ? elements[i + 1] : NULL;
else
stroke_command = NULL;
if (stroke_command != NULL &&
type == CAIRO_META_REPLAY && region != CAIRO_META_REGION_ALL)
{
if (stroke_command->header.region != region)
stroke_command = NULL;
}
if (stroke_command != NULL &&
stroke_command->header.type == CAIRO_COMMAND_STROKE &&
_cairo_path_fixed_is_equal (dev_path, _cairo_command_get_path (stroke_command))) {
cairo_matrix_t dev_ctm;
cairo_matrix_t dev_ctm_inverse;
dev_ctm = stroke_command->stroke.ctm;
dev_ctm_inverse = stroke_command->stroke.ctm_inverse;
if (has_device_transform) {
cairo_matrix_multiply (&dev_ctm, &dev_ctm, device_transform);
cairo_matrix_multiply (&dev_ctm_inverse,
&surface->device_transform_inverse,
&dev_ctm_inverse);
}
status = _cairo_surface_fill_stroke (target,
command->fill.op,
&command->fill.source.base,
command->fill.fill_rule,
command->fill.tolerance,
command->fill.antialias,
dev_path,
stroke_command->stroke.op,
&stroke_command->stroke.source.base,
&stroke_command->stroke.style,
&dev_ctm,
&dev_ctm_inverse,
stroke_command->stroke.tolerance,
stroke_command->stroke.antialias);
i++;
} else
status = _cairo_surface_fill (target,
command->fill.op,
&command->fill.source.base,
dev_path,
command->fill.fill_rule,
command->fill.tolerance,
command->fill.antialias);
break;
}
case CAIRO_COMMAND_SHOW_TEXT_GLYPHS:
{
cairo_glyph_t *glyphs = command->show_text_glyphs.glyphs;
cairo_glyph_t *dev_glyphs;
int i, num_glyphs = command->show_text_glyphs.num_glyphs;
/* show_text_glyphs is special because _cairo_surface_show_text_glyphs is allowed
* to modify the glyph array that's passed in. We must always
* copy the array before handing it to the backend.
*/
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (dev_glyphs == NULL) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
break;
}
if (has_device_transform) {
for (i = 0; i < num_glyphs; i++) {
dev_glyphs[i] = glyphs[i];
cairo_matrix_transform_point (device_transform,
&dev_glyphs[i].x,
&dev_glyphs[i].y);
}
} else {
memcpy (dev_glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
}
status = _cairo_surface_show_text_glyphs (target,
command->show_text_glyphs.op,
&command->show_text_glyphs.source.base,
command->show_text_glyphs.utf8, command->show_text_glyphs.utf8_len,
dev_glyphs, num_glyphs,
command->show_text_glyphs.clusters, command->show_text_glyphs.num_clusters,
command->show_text_glyphs.cluster_flags,
command->show_text_glyphs.scaled_font);
free (dev_glyphs);
break;
}
case CAIRO_COMMAND_INTERSECT_CLIP_PATH:
/* XXX Meta surface clipping is broken and requires some
* cairo-gstate.c rewriting. Work around it for now. */
if (dev_path == NULL)
_cairo_clip_reset (&clip);
else
status = _cairo_clip_clip (&clip, dev_path,
command->intersect_clip_path.fill_rule,
command->intersect_clip_path.tolerance,
command->intersect_clip_path.antialias,
target);
break;
default:
ASSERT_NOT_REACHED;
}
if (dev_path == &path_copy)
_cairo_path_fixed_fini (&path_copy);
if (type == CAIRO_META_CREATE_REGIONS) {
if (status == CAIRO_STATUS_SUCCESS) {
command->header.region = CAIRO_META_REGION_NATIVE;
} else if (status == CAIRO_INT_STATUS_IMAGE_FALLBACK) {
command->header.region = CAIRO_META_REGION_IMAGE_FALLBACK;
status = CAIRO_STATUS_SUCCESS;
}
}
if (status)
break;
}
_cairo_clip_reset (&clip);
status2 = _cairo_surface_set_clip (target, old_clip);
if (status == CAIRO_STATUS_SUCCESS)
status = status2;
return _cairo_surface_set_error (surface, status);
}
static cairo_status_t
_cairo_pdf_operators_emit_glyph (cairo_pdf_operators_t *pdf_operators,
cairo_glyph_t *glyph,
cairo_scaled_font_subsets_glyph_t *subset_glyph)
{
double x, y;
cairo_status_t status;
if (pdf_operators->is_new_text_object ||
pdf_operators->font_id != subset_glyph->font_id ||
pdf_operators->subset_id != subset_glyph->subset_id)
{
status = _cairo_pdf_operators_flush_glyphs (pdf_operators);
if (unlikely (status))
return status;
status = _cairo_pdf_operators_set_font_subset (pdf_operators, subset_glyph);
if (unlikely (status))
return status;
pdf_operators->is_new_text_object = FALSE;
}
x = glyph->x;
y = glyph->y;
cairo_matrix_transform_point (&pdf_operators->cairo_to_pdftext, &x, &y);
/* The TJ operator for displaying text strings can only set
* the horizontal position of the glyphs. If the y position
* (in text space) changes, use the Td operator to change the
* current position to the next glyph. We also use the Td
* operator to move the current position if the horizontal
* position changes by more than 10 (in text space
* units). This is becauses the horizontal glyph positioning
* in the TJ operator is intended for kerning and there may be
* PDF consumers that do not handle very large position
* adjustments in TJ.
*/
if (fabs(x - pdf_operators->glyph_buf_x_pos) > 10 ||
fabs(y - pdf_operators->cur_y) > GLYPH_POSITION_TOLERANCE)
{
status = _cairo_pdf_operators_flush_glyphs (pdf_operators);
if (unlikely (status))
return status;
x = glyph->x;
y = glyph->y;
cairo_matrix_transform_point (&pdf_operators->cairo_to_pdf, &x, &y);
status = _cairo_pdf_operators_set_text_position (pdf_operators, x, y);
if (unlikely (status))
return status;
x = 0.0;
y = 0.0;
}
status = _cairo_pdf_operators_add_glyph (pdf_operators,
subset_glyph,
x);
return status;
}
/**
* \brief rotate an item by an @angle increment (may be negative)
*
* @angle the increment the item will be rotated (usually 90° steps)
* @center_pos if rotated as part of a group, this is the center to rotate
*around
*/
static void part_rotate (ItemData *data, int angle, Coords *center_pos)
{
g_return_if_fail (data);
g_return_if_fail (IS_PART (data));
cairo_matrix_t morph, morph_rot, local_rot;
Part *part;
PartPriv *priv;
gboolean handler_connected;
// Coords b1, b2;
part = PART (data);
priv = part->priv;
// FIXME store vanilla coords, apply the morph
// FIXME to these and store the result in the
// FIXME instance then everything will be fine
// XXX also prevents rounding yiggle up downs
angle /= 90;
angle *= 90;
cairo_matrix_init_rotate (&local_rot, (double)angle * M_PI / 180.);
cairo_matrix_multiply (item_data_get_rotate (data), item_data_get_rotate (data), &local_rot);
morph_rot = *(item_data_get_rotate (data));
cairo_matrix_multiply (&morph, &morph_rot, item_data_get_translate (data));
Coords delta_to_center, delta_to_center_transformed;
Coords delta_to_apply, delta_bbox;
Coords bbox_center, bbox_center_transformed;
Coords item_pos;
// get bbox
#if 0 // this causes #115 to reappear
item_data_get_relative_bbox (ITEM_DATA (part), &b1, &b2);
bbox_center = coords_average (&b1, &b2);
#endif
item_data_get_pos (ITEM_DATA (part), &item_pos);
Coords rotation_center;
if (center_pos == NULL) {
rotation_center = coords_sum (&bbox_center, &item_pos);
} else {
rotation_center = *center_pos;
}
delta_to_center_transformed = delta_to_center = coords_sub (&rotation_center, &item_pos);
cairo_matrix_transform_point (&local_rot, &(delta_to_center_transformed.x),
&(delta_to_center_transformed.y));
delta_to_apply = coords_sub (&delta_to_center, &delta_to_center_transformed);
#define DEBUG_THIS 0
// use the cairo matrix funcs to transform the pin
// positions relative to the item center
// this is only indirectly related to displayin
// HINT: we need to modify the actual pins to make the
// pin tests work being used to detect connections
gint i;
gdouble x, y;
// Rotate the pins.
for (i = 0; i < priv->num_pins; i++) {
x = priv->pins_orig[i].offset.x;
y = priv->pins_orig[i].offset.y;
cairo_matrix_transform_point (&morph_rot, &x, &y);
if (fabs (x) < 1e-2)
x = 0.0;
if (fabs (y) < 1e-2)
y = 0.0;
priv->pins[i].offset.x = x;
priv->pins[i].offset.y = y;
}
item_data_move (data, &delta_to_apply);
handler_connected = g_signal_handler_is_connected (G_OBJECT (data), data->changed_handler_id);
if (handler_connected) {
g_signal_emit_by_name (G_OBJECT (data), "changed");
} else {
NG_DEBUG ("handler not yet registerd.");
}
NG_DEBUG ("\n\n");
}
/**
* flip a part in a given direction
* @direction gives the direction the item will be flipped, end users pov!
* @center the center to flip over - currently ignored FIXME
*/
static void part_flip (ItemData *data, IDFlip direction, Coords *center)
{
#if 0
Part *part;
PartPriv *priv;
int i;
cairo_matrix_t affine;
double x, y;
double scale_v, scale_h;
gboolean handler_connected;
Coords delta;
Coords pos, trans;
Coords b1, b2;
Coords pos_new, pos_old;
//FIXME properly recenter after flipping
//Coords part_center_before, part_center_after, delta;
g_return_if_fail (data);
g_return_if_fail (IS_PART (data));
part = PART (data);
priv = part->priv;
item_data_get_pos (data, &trans);
// mask, just for the sake of cleanness
direction &= ID_FLIP_MASK;
// TODO evaluate if we really want to be able to do double flips (180* rots via flipping)
g_assert (direction != ID_FLIP_MASK);
// create a transformation _relativ_ to the current _state_
// reverse axis and fix the created offset by adding 2*pos.x or .y
// convert the flip direction to binary, used in the matrix setup
// keep in mind that we do relativ manipulations within the model
// which in turn makes this valid for all rotations!
scale_h = ((direction & ID_FLIP_HORIZ) != 0) ? -1. : 1.;
scale_v = ((direction & ID_FLIP_VERT) != 0) ? -1. : 1.;
// magic, if we are in either 270 or 90 state, we need to rotate the flip state by 90° to draw it properly
// TODO maybe better put this into the rotation function
if ((priv->rotation / 90) % 2 == 1) {
priv->flip ^= ID_FLIP_MASK;
}
// toggle the direction
priv->flip ^= direction;
if ((priv->flip & ID_FLIP_MASK)== ID_FLIP_MASK) {
priv->flip = ID_FLIP_NONE;
priv->rotation += 180;
priv->rotation %= 360;
}
cairo_matrix_init_scale (&affine, scale_h, scale_v);
item_data_get_pos (data, &pos_old);
pos_new = pos_old;
cairo_matrix_transform_point (&affine, &pos_new.x, &pos_new.y);
g_printf ("\ncenter %p [old] x=%lf,y=%lf -->", data, pos_old.x, pos_old.y);
g_printf (" x=%lf, y=%lf\n", pos_new.x, pos_new.y);
delta.x = - pos_new.x + pos_old.x;
delta.y = - pos_new.y + pos_old.y;
// flip the pins
for (i = 0; i < priv->num_pins; i++) {
x = priv->pins[i].offset.x;
y = priv->pins[i].offset.y;
cairo_matrix_transform_point (&affine, &x, &y);
if (fabs (x) < 1e-2)
x = 0.0;
if (fabs (y) < 1e-2)
y = 0.0;
priv->pins[i].offset.x = x;
priv->pins[i].offset.y = y;
}
item_data_snap (data);
// tell the view
handler_connected = g_signal_handler_is_connected (G_OBJECT (part),
ITEM_DATA(part)->flipped_handler_id);
if (handler_connected) {
g_signal_emit_by_name (G_OBJECT (part), "flipped", priv->flip);
// TODO - proper boundingbox center calculation
item_data_get_relative_bbox (ITEM_DATA (part), &b1, &b2);
// flip the bounding box.
cairo_matrix_transform_point (&affine, &b1.x, &b1.y);
cairo_matrix_transform_point (&affine, &b2.x, &b2.y);
item_data_set_relative_bbox (ITEM_DATA (part), &b1, &b2);
item_data_set_pos (ITEM_DATA (part), &pos);
// FIXME - proper recenter to boundingbox center
}
if (g_signal_handler_is_connected (G_OBJECT (part),
ITEM_DATA (part)->changed_handler_id)) {
g_signal_emit_by_name (G_OBJECT (part),
"changed");
}
#endif
}
/**
* Drawing: giza_vector
*
* Synopsis: Plot of vector data.
*
* Input:
* -n :- The dimensions of data in the x-direction
* -m :- The dimensions of data in the y-direction
* -horizontal :- The x-component of the data to be plotted
* -vertical :- The y-component of the data to be plotted
* -i1 :- The inclusive range of data to render in the x dimension.
* -i2 :- The inclusive range of data to render in the x dimension.
* -j1 :- The inclusive range of data to render in the y direction
* -j2 :- The inclusive range of data to render in the y direction
* -scale :- scaling factor for arrow lengths (0 = automatic)
* -position :- justification of vector arrow with respect to pixel (0=left, 0.5=centred)
* -affine :- The affine transformation matrix that will be applied to the data.
*
* See Also: giza_vector_float, giza_arrow, giza_set_arrow_style
*/
void
giza_vector (int n, int m, const double* horizontal, const double* vertical,
int i1, int i2, int j1, int j2, double scale, int position,
const double* affine, double blank)
{
if (!_giza_check_device_ready ("giza_vector"))
return;
/* Check ranges */
if (i1 < 0 || i2 >= n || i1 > i2)
{
_giza_error ("giza_vector",
"invalid index range for horizontal values");
return;
}
if (j1 < 0 || j2 >= m || j1 > j2)
{
_giza_error ("giza_vector", "invalid index range for vertical values");
return;
}
int i, j;
double x1, x2, y1, y2;
cairo_matrix_t mat;
cairo_matrix_init (&mat, affine[0], affine[1], affine[2], affine[3],
affine[4], affine[5]);
double dscale = scale;
/* Find the scaling factor */
if (fabs (dscale) < GIZA_ZERO_DOUBLE)
{
for (j = j1; j <= j2; j++)
{
for (i = i1; i <= i2; i++)
{
if (!(_giza_equal(horizontal[j*n+i],blank) && _giza_equal(vertical[j*n+i],blank)))
{
double tmp =
sqrt (horizontal[j*n+i] * horizontal[j*n+i] +
vertical[j*n+i] * vertical[j*n+i]);
if (tmp > dscale)
dscale = tmp;
}
}
}
if (fabs (dscale) < GIZA_ZERO_DOUBLE) { return; }
double dx2 = affine[0]*affine[0] + affine[1]*affine[1];
double dy2 = affine[2]*affine[2] + affine[3]*affine[3];
if (dx2 < dy2)
{
dscale = sqrt(dx2)/dscale;
} else {
dscale = sqrt(dy2)/dscale;
}
}
int oldBuf;
giza_get_buffering(&oldBuf);
giza_begin_buffer ();
/* Draw the arrows! */
double x, y;
for (j = j1; j <= j2; j++)
{
for (i = i1; i <= i2; i++)
{
if (!(_giza_equal(horizontal[j*n+i],blank) && _giza_equal(vertical[j*n+i],blank)))
{
x = (double) i + 0.5;
y = (double) j + 0.5;
cairo_matrix_transform_point (&mat, &x, &y);
if (position < 0)
{
x2 = x;
y2 = y;
x1 = x2 - horizontal[j*n+i] * dscale;
y1 = y2 - vertical[j*n+i] * dscale;
}
else if (_giza_equal(position,0.))
{
x2 = x + 0.5 * horizontal[j*n+i] * dscale;
y2 = y + 0.5 * vertical[j*n+i] * dscale;
x1 = x2 - horizontal[j*n+i] * dscale;
y1 = y2 - vertical[j*n+i] * dscale;
}
else
{
x1 = x;
y1 = y;
x2 = x1 + horizontal[j*n+i] * dscale;
y2 = y1 + vertical[j*n+i] * dscale;
}
giza_arrow (x1, y1, x2, y2);
}
}
}
if (!oldBuf)
giza_end_buffer ();
giza_flush_device ();
}
cairo_int_status_t
_cairo_pdf_operators_show_text_glyphs (cairo_pdf_operators_t *pdf_operators,
const char *utf8,
int utf8_len,
cairo_glyph_t *glyphs,
int num_glyphs,
const cairo_text_cluster_t *clusters,
int num_clusters,
cairo_text_cluster_flags_t cluster_flags,
cairo_scaled_font_t *scaled_font)
{
cairo_status_t status;
int i;
cairo_matrix_t text_matrix, invert_y_axis;
double x, y;
const char *cur_text;
cairo_glyph_t *cur_glyph;
pdf_operators->font_matrix_inverse = scaled_font->font_matrix;
status = cairo_matrix_invert (&pdf_operators->font_matrix_inverse);
if (status == CAIRO_STATUS_INVALID_MATRIX)
return CAIRO_STATUS_SUCCESS;
assert (status == CAIRO_STATUS_SUCCESS);
pdf_operators->is_new_text_object = FALSE;
if (pdf_operators->in_text_object == FALSE) {
status = _cairo_pdf_operators_begin_text (pdf_operators);
if (unlikely (status))
return status;
/* Force Tm and Tf to be emitted when starting a new text
* object.*/
pdf_operators->is_new_text_object = TRUE;
}
cairo_matrix_init_scale (&invert_y_axis, 1, -1);
text_matrix = scaled_font->scale;
/* Invert y axis in font space */
cairo_matrix_multiply (&text_matrix, &text_matrix, &invert_y_axis);
/* Invert y axis in device space */
cairo_matrix_multiply (&text_matrix, &invert_y_axis, &text_matrix);
if (pdf_operators->is_new_text_object ||
! _cairo_matrix_scale_equal (&pdf_operators->text_matrix, &text_matrix))
{
status = _cairo_pdf_operators_flush_glyphs (pdf_operators);
if (unlikely (status))
return status;
x = glyphs[0].x;
y = glyphs[0].y;
cairo_matrix_transform_point (&pdf_operators->cairo_to_pdf, &x, &y);
text_matrix.x0 = x;
text_matrix.y0 = y;
status = _cairo_pdf_operators_set_text_matrix (pdf_operators, &text_matrix);
if (status == CAIRO_STATUS_INVALID_MATRIX)
return CAIRO_STATUS_SUCCESS;
if (unlikely (status))
return status;
}
if (num_clusters > 0) {
cur_text = utf8;
if ((cluster_flags & CAIRO_TEXT_CLUSTER_FLAG_BACKWARD))
cur_glyph = glyphs + num_glyphs;
else
cur_glyph = glyphs;
for (i = 0; i < num_clusters; i++) {
if ((cluster_flags & CAIRO_TEXT_CLUSTER_FLAG_BACKWARD))
cur_glyph -= clusters[i].num_glyphs;
status = _cairo_pdf_operators_emit_cluster (pdf_operators,
cur_text,
clusters[i].num_bytes,
cur_glyph,
clusters[i].num_glyphs,
cluster_flags,
scaled_font);
if (unlikely (status))
return status;
cur_text += clusters[i].num_bytes;
if (!(cluster_flags & CAIRO_TEXT_CLUSTER_FLAG_BACKWARD))
cur_glyph += clusters[i].num_glyphs;
}
} else {
for (i = 0; i < num_glyphs; i++) {
status = _cairo_pdf_operators_emit_cluster (pdf_operators,
NULL,
-1, /* no unicode string available */
&glyphs[i],
1,
FALSE,
scaled_font);
if (unlikely (status))
return status;
}
}
return _cairo_output_stream_get_status (pdf_operators->stream);
}
cairo_warn cairo_int_status_t
_cairo_dwrite_scaled_show_glyphs(void *scaled_font,
cairo_operator_t op,
const cairo_pattern_t *pattern,
cairo_surface_t *generic_surface,
int source_x,
int source_y,
int dest_x,
int dest_y,
unsigned int width,
unsigned int height,
cairo_glyph_t *glyphs,
int num_glyphs,
cairo_region_t *clip_region,
int *remaining_glyphs)
{
cairo_win32_surface_t *surface = (cairo_win32_surface_t *)generic_surface;
cairo_int_status_t status;
if (width == 0 || height == 0)
return (cairo_int_status_t)CAIRO_STATUS_SUCCESS;
if (_cairo_surface_is_win32 (generic_surface) &&
surface->format == CAIRO_FORMAT_RGB24 &&
op == CAIRO_OPERATOR_OVER) {
//XXX: we need to set the clip region here
status = (cairo_int_status_t)_cairo_dwrite_show_glyphs_on_surface (surface, op, pattern,
glyphs, num_glyphs,
(cairo_scaled_font_t*)scaled_font, NULL);
return status;
} else {
cairo_dwrite_scaled_font_t *dwritesf =
static_cast<cairo_dwrite_scaled_font_t*>(scaled_font);
UINT16 *indices = new UINT16[num_glyphs];
DWRITE_GLYPH_OFFSET *offsets = new DWRITE_GLYPH_OFFSET[num_glyphs];
FLOAT *advances = new FLOAT[num_glyphs];
BOOL transform = FALSE;
DWRITE_GLYPH_RUN run;
run.bidiLevel = 0;
run.fontFace = ((cairo_dwrite_font_face_t*)dwritesf->base.font_face)->dwriteface;
run.glyphIndices = indices;
run.glyphCount = num_glyphs;
run.isSideways = FALSE;
run.glyphOffsets = offsets;
run.glyphAdvances = advances;
IDWriteGlyphRunAnalysis *analysis;
if (dwritesf->mat.xy == 0 && dwritesf->mat.yx == 0 &&
dwritesf->mat.xx == dwritesf->base.font_matrix.xx &&
dwritesf->mat.yy == dwritesf->base.font_matrix.yy) {
for (int i = 0; i < num_glyphs; i++) {
indices[i] = (WORD) glyphs[i].index;
// Since we will multiply by our ctm matrix later for rotation effects
// and such, adjust positions by the inverse matrix now.
offsets[i].ascenderOffset = (FLOAT)dest_y - (FLOAT)glyphs[i].y;
offsets[i].advanceOffset = (FLOAT)glyphs[i].x - dest_x;
advances[i] = 0.0;
}
run.fontEmSize = (FLOAT)dwritesf->base.font_matrix.yy;
} else {
transform = TRUE;
for (int i = 0; i < num_glyphs; i++) {
indices[i] = (WORD) glyphs[i].index;
double x = glyphs[i].x - dest_x;
double y = glyphs[i].y - dest_y;
cairo_matrix_transform_point(&dwritesf->mat_inverse, &x, &y);
// Since we will multiply by our ctm matrix later for rotation effects
// and such, adjust positions by the inverse matrix now.
offsets[i].ascenderOffset = -(FLOAT)y;
offsets[i].advanceOffset = (FLOAT)x;
advances[i] = 0.0;
}
run.fontEmSize = 1.0f;
}
if (!transform) {
DWriteFactory::Instance()->CreateGlyphRunAnalysis(&run,
1.0f,
NULL,
DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC,
DWRITE_MEASURING_MODE_NATURAL,
0,
0,
&analysis);
} else {
DWRITE_MATRIX dwmatrix = _cairo_dwrite_matrix_from_matrix(&dwritesf->mat);
DWriteFactory::Instance()->CreateGlyphRunAnalysis(&run,
1.0f,
&dwmatrix,
DWRITE_RENDERING_MODE_CLEARTYPE_NATURAL_SYMMETRIC,
DWRITE_MEASURING_MODE_NATURAL,
0,
0,
&analysis);
}
RECT r;
r.left = 0;
r.top = 0;
r.right = width;
r.bottom = height;
BYTE *surface = new BYTE[width * height * 3];
analysis->CreateAlphaTexture(DWRITE_TEXTURE_CLEARTYPE_3x1, &r, surface, width * height * 3);
cairo_image_surface_t *mask_surface =
(cairo_image_surface_t*)cairo_image_surface_create(CAIRO_FORMAT_ARGB32, width, height);
cairo_surface_flush(&mask_surface->base);
for (unsigned int y = 0; y < height; y++) {
for (unsigned int x = 0; x < width; x++) {
mask_surface->data[y * mask_surface->stride + x * 4] = surface[y * width * 3 + x * 3 + 1];
mask_surface->data[y * mask_surface->stride + x * 4 + 1] = surface[y * width * 3 + x * 3 + 1];
mask_surface->data[y * mask_surface->stride + x * 4 + 2] = surface[y * width * 3 + x * 3 + 1];
mask_surface->data[y * mask_surface->stride + x * 4 + 3] = surface[y * width * 3 + x * 3 + 1];
}
}
cairo_surface_mark_dirty(&mask_surface->base);
pixman_image_set_component_alpha(mask_surface->pixman_image, 1);
cairo_surface_pattern_t mask;
_cairo_pattern_init_for_surface (&mask, &mask_surface->base);
status = (cairo_int_status_t)_cairo_surface_composite (op, pattern,
&mask.base,
generic_surface,
source_x, source_y,
0, 0,
dest_x, dest_y,
width, height,
clip_region);
_cairo_pattern_fini (&mask.base);
analysis->Release();
delete [] surface;
delete [] indices;
delete [] offsets;
delete [] advances;
cairo_surface_destroy (&mask_surface->base);
*remaining_glyphs = 0;
return (cairo_int_status_t)CAIRO_STATUS_SUCCESS;
}
}
cairo_status_t
_cairo_surface_wrapper_show_text_glyphs (cairo_surface_wrapper_t *wrapper,
cairo_operator_t op,
const cairo_pattern_t *source,
const char *utf8,
int utf8_len,
cairo_glyph_t *glyphs,
int num_glyphs,
const cairo_text_cluster_t *clusters,
int num_clusters,
cairo_text_cluster_flags_t cluster_flags,
cairo_scaled_font_t *scaled_font,
cairo_clip_t *clip)
{
cairo_status_t status;
cairo_clip_t clip_copy, *dev_clip = clip;
cairo_glyph_t *dev_glyphs = glyphs;
cairo_pattern_union_t source_copy;
cairo_clip_t target_clip;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
if (glyphs == NULL || num_glyphs == 0)
return CAIRO_STATUS_SUCCESS;
if (wrapper->has_extents) {
_cairo_clip_init_copy (&target_clip, clip);
status = _cairo_clip_rectangle (&target_clip, &wrapper->extents);
if (unlikely (status))
goto FINISH;
dev_clip = clip = &target_clip;
}
if (clip && clip->all_clipped) {
status = CAIRO_STATUS_SUCCESS;
goto FINISH;
}
if (_cairo_surface_wrapper_needs_device_transform (wrapper) ||
_cairo_surface_wrapper_needs_extents_transform (wrapper))
{
cairo_matrix_t m;
int i;
cairo_matrix_init_identity (&m);
if (_cairo_surface_wrapper_needs_extents_transform (wrapper))
cairo_matrix_translate (&m, -wrapper->extents.x, -wrapper->extents.y);
if (_cairo_surface_wrapper_needs_device_transform (wrapper))
cairo_matrix_multiply (&m, &wrapper->target->device_transform, &m);
if (clip != NULL) {
status = _cairo_clip_init_copy_transformed (&clip_copy, clip, &m);
if (unlikely (status))
goto FINISH;
dev_clip = &clip_copy;
}
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (dev_glyphs == NULL) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto FINISH;
}
for (i = 0; i < num_glyphs; i++) {
dev_glyphs[i] = glyphs[i];
cairo_matrix_transform_point (&m, &dev_glyphs[i].x, &dev_glyphs[i].y);
}
status = cairo_matrix_invert (&m);
assert (status == CAIRO_STATUS_SUCCESS);
_copy_transformed_pattern (&source_copy.base, source, &m);
source = &source_copy.base;
}
else
{
if (clip != NULL) {
dev_clip = &clip_copy;
_cairo_clip_init_copy (&clip_copy, clip);
}
}
status = _cairo_surface_show_text_glyphs (wrapper->target, op, source,
utf8, utf8_len,
dev_glyphs, num_glyphs,
clusters, num_clusters,
cluster_flags,
scaled_font,
dev_clip);
FINISH:
if (dev_clip != clip)
_cairo_clip_reset (dev_clip);
if (wrapper->has_extents)
_cairo_clip_reset (&target_clip);
if (dev_glyphs != glyphs)
free (dev_glyphs);
return status;
}
/*
* Convert a gerber image to a GDK clip mask to be used when creating pixmap
*/
int
draw_gdk_image_to_pixmap(GdkPixmap **pixmap, gerbv_image_t *image,
double scale, double trans_x, double trans_y,
gchar drawMode,
gerbv_selection_info_t *selectionInfo, gerbv_render_info_t *renderInfo,
gerbv_user_transformation_t transform)
{
GdkGC *gc = gdk_gc_new(*pixmap);
GdkGC *pgc = gdk_gc_new(*pixmap);
GdkGCValues gc_values;
struct gerbv_net *net;
gerbv_netstate_t *oldState;
gerbv_layer_t *oldLayer;
gint x1, y1, x2, y2;
glong xlong1, ylong1, xlong2, ylong2;
int p1, p2;
int cir_width = 0, cir_height = 0;
int cp_x = 0, cp_y = 0;
GdkColor transparent, opaque;
gerbv_polarity_t polarity;
gdouble tempX,tempY;
gdouble minX=0,minY=0,maxX=0,maxY=0;
if (transform.inverted) {
if (image->info->polarity == GERBV_POLARITY_POSITIVE)
polarity = GERBV_POLARITY_NEGATIVE;
else
polarity = GERBV_POLARITY_POSITIVE;
} else {
polarity = image->info->polarity;
}
if (drawMode == DRAW_SELECTIONS)
polarity = GERBV_POLARITY_POSITIVE;
gboolean useOptimizations = TRUE;
// if the user is using any transformations for this layer, then don't bother using rendering
// optimizations
if ((fabs(transform.translateX) > 0.00001) ||
(fabs(transform.translateY) > 0.00001) ||
(fabs(transform.scaleX - 1) > 0.00001) ||
(fabs(transform.scaleY - 1) > 0.00001) ||
(fabs(transform.rotation) > 0.00001) ||
transform.mirrorAroundX || transform.mirrorAroundY)
useOptimizations = FALSE;
// calculate the transformation matrix for the user_transformation options
cairo_matrix_t fullMatrix, scaleMatrix;
cairo_matrix_init (&fullMatrix, 1, 0, 0, 1, 0, 0);
cairo_matrix_init (&scaleMatrix, 1, 0, 0, 1, 0, 0);
cairo_matrix_translate (&fullMatrix, trans_x, trans_y);
cairo_matrix_scale (&fullMatrix, scale, scale);
cairo_matrix_scale (&scaleMatrix, scale, scale);
/* offset image */
cairo_matrix_translate (&fullMatrix, transform.translateX, -1*transform.translateY);
// don't use mirroring for the scale matrix
gdouble scaleX = transform.scaleX;
gdouble scaleY = -1*transform.scaleY;
cairo_matrix_scale (&scaleMatrix, scaleX, -1*scaleY);
if (transform.mirrorAroundX)
scaleY *= -1;
if (transform.mirrorAroundY)
scaleX *= -1;
cairo_matrix_scale (&fullMatrix, scaleX, scaleY);
/* do image rotation */
cairo_matrix_rotate (&fullMatrix, transform.rotation);
//cairo_matrix_rotate (&scaleMatrix, transform.rotation);
/* do image rotation */
cairo_matrix_rotate (&fullMatrix, image->info->imageRotation);
if (useOptimizations) {
minX = renderInfo->lowerLeftX;
minY = renderInfo->lowerLeftY;
maxX = renderInfo->lowerLeftX + (renderInfo->displayWidth /
renderInfo->scaleFactorX);
maxY = renderInfo->lowerLeftY + (renderInfo->displayHeight /
renderInfo->scaleFactorY);
}
if (image == NULL || image->netlist == NULL) {
/*
* Destroy GCs before exiting
*/
gdk_gc_unref(gc);
gdk_gc_unref(pgc);
return 0;
}
/* Set up the two "colors" we have */
opaque.pixel = 0; /* opaque will not let color through */
transparent.pixel = 1; /* transparent will let color through */
/*
* Clear clipmask and set draw color depending image on image polarity
*/
if (polarity == GERBV_POLARITY_NEGATIVE) {
gdk_gc_set_foreground(gc, &transparent);
gdk_draw_rectangle(*pixmap, gc, TRUE, 0, 0, -1, -1);
gdk_gc_set_foreground(gc, &opaque);
} else {
gdk_gc_set_foreground(gc, &opaque);
gdk_draw_rectangle(*pixmap, gc, TRUE, 0, 0, -1, -1);
gdk_gc_set_foreground(gc, &transparent);
}
oldLayer = image->layers;
oldState = image->states;
for (net = image->netlist->next ; net != NULL; net = gerbv_image_return_next_renderable_object(net)) {
int repeat_X=1, repeat_Y=1;
double repeat_dist_X=0.0, repeat_dist_Y=0.0;
int repeat_i, repeat_j;
/*
* If step_and_repeat (%SR%) used, repeat the drawing;
*/
repeat_X = net->layer->stepAndRepeat.X;
repeat_Y = net->layer->stepAndRepeat.Y;
repeat_dist_X = net->layer->stepAndRepeat.dist_X;
repeat_dist_Y = net->layer->stepAndRepeat.dist_Y;
/* check if this is a new netstate */
if (net->state != oldState){
/* it's a new state, so recalculate the new transformation matrix
for it */
draw_gdk_apply_netstate_transformation (&fullMatrix, &scaleMatrix, net->state);
oldState = net->state;
}
/* check if this is a new layer */
/* for now, only do layer rotations in GDK rendering */
if (net->layer != oldLayer){
cairo_matrix_rotate (&fullMatrix, net->layer->rotation);
oldLayer = net->layer;
}
if (drawMode == DRAW_SELECTIONS) {
int i;
gboolean foundNet = FALSE;
for (i=0; i<selectionInfo->selectedNodeArray->len; i++){
gerbv_selection_item_t sItem = g_array_index (selectionInfo->selectedNodeArray,
gerbv_selection_item_t, i);
if (sItem.net == net)
foundNet = TRUE;
}
if (!foundNet)
continue;
}
for(repeat_i = 0; repeat_i < repeat_X; repeat_i++) {
for(repeat_j = 0; repeat_j < repeat_Y; repeat_j++) {
double sr_x = repeat_i * repeat_dist_X;
double sr_y = repeat_j * repeat_dist_Y;
if ((useOptimizations)&&((net->boundingBox.right+sr_x < minX)
|| (net->boundingBox.left+sr_x > maxX)
|| (net->boundingBox.top+sr_y < minY)
|| (net->boundingBox.bottom+sr_y > maxY))) {
continue;
}
/*
* If circle segment, scale and translate that one too
*/
if (net->cirseg) {
tempX = net->cirseg->width;
tempY = net->cirseg->height;
cairo_matrix_transform_point (&scaleMatrix, &tempX, &tempY);
cir_width = (int)round(tempX);
cir_height = (int)round(tempY);
tempX = net->cirseg->cp_x;
tempY = net->cirseg->cp_y;
cairo_matrix_transform_point (&fullMatrix, &tempX, &tempY);
cp_x = (int)round(tempX);
cp_y = (int)round(tempY);
}
/*
* Set GdkFunction depending on if this (gerber) layer is inverted
* and allow for the photoplot being negative.
*/
gdk_gc_set_function(gc, GDK_COPY);
if ((net->layer->polarity == GERBV_POLARITY_CLEAR) != (polarity == GERBV_POLARITY_NEGATIVE))
gdk_gc_set_foreground(gc, &opaque);
else
gdk_gc_set_foreground(gc, &transparent);
/*
* Polygon Area Fill routines
*/
switch (net->interpolation) {
case GERBV_INTERPOLATION_PAREA_START :
draw_gdk_render_polygon_object (net,image,sr_x,sr_y,&fullMatrix,
&scaleMatrix,gc,pgc,pixmap);
continue;
/* make sure we completely skip over any deleted nodes */
case GERBV_INTERPOLATION_DELETED:
continue;
default :
break;
}
/*
* If aperture state is off we allow use of undefined apertures.
* This happens when gerber files starts, but hasn't decided on
* which aperture to use.
*/
if (image->aperture[net->aperture] == NULL) {
/* Commenting this out since it gets emitted every time you click on the screen
if (net->aperture_state != GERBV_APERTURE_STATE_OFF)
GERB_MESSAGE("Aperture D%d is not defined\n", net->aperture);
*/
continue;
}
/*
* Scale points with window scaling and translate them
*/
tempX = net->start_x + sr_x;
tempY = net->start_y + sr_y;
cairo_matrix_transform_point (&fullMatrix, &tempX, &tempY);
xlong1 = (int)round(tempX);
ylong1 = (int)round(tempY);
tempX = net->stop_x + sr_x;
tempY = net->stop_y + sr_y;
cairo_matrix_transform_point (&fullMatrix, &tempX, &tempY);
xlong2 = (int)round(tempX);
ylong2 = (int)round(tempY);
/* if the object is way outside our view window, just skip over it in order
to eliminate some GDK clipping problems at high zoom levels */
if ((xlong1 < -10000) && (xlong2 < -10000))
continue;
if ((ylong1 < -10000) && (ylong2 < -10000))
continue;
if ((xlong1 > 10000) && (xlong2 > 10000))
continue;
if ((ylong1 > 10000) && (ylong2 > 10000))
continue;
if (xlong1 > G_MAXINT) x1 = G_MAXINT;
else if (xlong1 < G_MININT) x1 = G_MININT;
else x1 = (int)xlong1;
if (xlong2 > G_MAXINT) x2 = G_MAXINT;
else if (xlong2 < G_MININT) x2 = G_MININT;
else x2 = (int)xlong2;
if (ylong1 > G_MAXINT) y1 = G_MAXINT;
else if (ylong1 < G_MININT) y1 = G_MININT;
else y1 = (int)ylong1;
if (ylong2 > G_MAXINT) y2 = G_MAXINT;
else if (ylong2 < G_MININT) y2 = G_MININT;
else y2 = (int)ylong2;
switch (net->aperture_state) {
case GERBV_APERTURE_STATE_ON :
tempX = image->aperture[net->aperture]->parameter[0];
cairo_matrix_transform_point (&scaleMatrix, &tempX, &tempY);
p1 = (int)round(tempX);
// p1 = (int)round(image->aperture[net->aperture]->parameter[0] * scale);
if (image->aperture[net->aperture]->type == GERBV_APTYPE_RECTANGLE)
gdk_gc_set_line_attributes(gc, p1,
GDK_LINE_SOLID,
GDK_CAP_PROJECTING,
GDK_JOIN_MITER);
else
gdk_gc_set_line_attributes(gc, p1,
GDK_LINE_SOLID,
GDK_CAP_ROUND,
GDK_JOIN_MITER);
switch (net->interpolation) {
case GERBV_INTERPOLATION_x10 :
case GERBV_INTERPOLATION_LINEARx01 :
case GERBV_INTERPOLATION_LINEARx001 :
GERB_MESSAGE(_("Linear != x1\n"));
gdk_gc_set_line_attributes(gc, p1,
GDK_LINE_ON_OFF_DASH,
GDK_CAP_ROUND,
GDK_JOIN_MITER);
gdk_draw_line(*pixmap, gc, x1, y1, x2, y2);
gdk_gc_set_line_attributes(gc, p1,
GDK_LINE_SOLID,
GDK_CAP_ROUND,
GDK_JOIN_MITER);
break;
case GERBV_INTERPOLATION_LINEARx1 :
if (image->aperture[net->aperture]->type != GERBV_APTYPE_RECTANGLE)
gdk_draw_line(*pixmap, gc, x1, y1, x2, y2);
else {
gint dx, dy;
GdkPoint poly[6];
tempX = image->aperture[net->aperture]->parameter[0]/2;
tempY = image->aperture[net->aperture]->parameter[1]/2;
cairo_matrix_transform_point (&scaleMatrix, &tempX, &tempY);
dx = (int)round(tempX);
dy = (int)round(tempY);
if(x1 > x2) dx = -dx;
if(y1 > y2) dy = -dy;
poly[0].x = x1 - dx; poly[0].y = y1 - dy;
poly[1].x = x1 - dx; poly[1].y = y1 + dy;
poly[2].x = x2 - dx; poly[2].y = y2 + dy;
poly[3].x = x2 + dx; poly[3].y = y2 + dy;
poly[4].x = x2 + dx; poly[4].y = y2 - dy;
poly[5].x = x1 + dx; poly[5].y = y1 - dy;
gdk_draw_polygon(*pixmap, gc, 1, poly, 6);
}
break;
case GERBV_INTERPOLATION_CW_CIRCULAR :
case GERBV_INTERPOLATION_CCW_CIRCULAR :
gerbv_gdk_draw_arc(*pixmap, gc, cp_x, cp_y, cir_width, cir_height,
net->cirseg->angle1, net->cirseg->angle2);
break;
default :
break;
}
break;
case GERBV_APERTURE_STATE_OFF :
break;
case GERBV_APERTURE_STATE_FLASH :
tempX = image->aperture[net->aperture]->parameter[0];
tempY = image->aperture[net->aperture]->parameter[1];
cairo_matrix_transform_point (&scaleMatrix, &tempX, &tempY);
p1 = (int)round(tempX);
p2 = (int)round(tempY);
tempX = image->aperture[net->aperture]->parameter[2];
cairo_matrix_transform_point (&scaleMatrix, &tempX, &tempY);
switch (image->aperture[net->aperture]->type) {
case GERBV_APTYPE_CIRCLE :
gerbv_gdk_draw_circle(*pixmap, gc, TRUE, x2, y2, p1);
/*
* If circle has an inner diameter we must remove
* that part of the circle to make a hole in it.
* We should actually support square holes too,
* but due to laziness I don't.
*/
if (p2) {
gdk_gc_get_values(gc, &gc_values);
if (gc_values.foreground.pixel == opaque.pixel) {
gdk_gc_set_foreground(gc, &transparent);
gerbv_gdk_draw_circle(*pixmap, gc, TRUE, x2, y2, p2);
gdk_gc_set_foreground(gc, &opaque);
} else {
gdk_gc_set_foreground(gc, &opaque);
gerbv_gdk_draw_circle(*pixmap, gc, TRUE, x2, y2, p2);
gdk_gc_set_foreground(gc, &transparent);
}
}
break;
case GERBV_APTYPE_RECTANGLE:
gerbv_gdk_draw_rectangle(*pixmap, gc, TRUE, x2, y2, p1, p2);
break;
case GERBV_APTYPE_OVAL :
gerbv_gdk_draw_oval(*pixmap, gc, TRUE, x2, y2, p1, p2);
break;
case GERBV_APTYPE_POLYGON :
gerbv_gdk_draw_circle(*pixmap, gc, TRUE, x2, y2, p1);
break;
case GERBV_APTYPE_MACRO :
gerbv_gdk_draw_amacro(*pixmap, gc,
image->aperture[net->aperture]->simplified,
scale, x2, y2);
break;
default :
GERB_MESSAGE(_("Unknown aperture type\n"));
return 0;
}
break;
default :
GERB_MESSAGE(_("Unknown aperture state\n"));
return 0;
}
}
}
}
/*
* Destroy GCs before exiting
*/
gdk_gc_unref(gc);
gdk_gc_unref(pgc);
return 1;
} /* image2pixmap */
cairo_status_t
_cairo_surface_wrapper_show_text_glyphs (cairo_surface_wrapper_t *wrapper,
cairo_operator_t op,
const cairo_pattern_t *source,
const char *utf8,
int utf8_len,
const cairo_glyph_t *glyphs,
int num_glyphs,
const cairo_text_cluster_t *clusters,
int num_clusters,
cairo_text_cluster_flags_t cluster_flags,
cairo_scaled_font_t *scaled_font,
const cairo_clip_t *clip)
{
cairo_status_t status;
cairo_clip_t *dev_clip;
cairo_glyph_t stack_glyphs [CAIRO_STACK_ARRAY_LENGTH(cairo_glyph_t)];
cairo_glyph_t *dev_glyphs = stack_glyphs;
cairo_scaled_font_t *dev_scaled_font = scaled_font;
cairo_pattern_union_t source_copy;
cairo_font_options_t options;
if (unlikely (wrapper->target->status))
return wrapper->target->status;
dev_clip = _cairo_surface_wrapper_get_clip (wrapper, clip);
if (_cairo_clip_is_all_clipped (dev_clip))
return CAIRO_INT_STATUS_NOTHING_TO_DO;
cairo_surface_get_font_options (wrapper->target, &options);
cairo_font_options_merge (&options, &scaled_font->options);
if (wrapper->needs_transform) {
cairo_matrix_t m;
int i;
_cairo_surface_wrapper_get_transform (wrapper, &m);
if (! _cairo_matrix_is_translation (&m)) {
cairo_matrix_t ctm;
_cairo_matrix_multiply (&ctm,
&m,
&scaled_font->ctm);
dev_scaled_font = cairo_scaled_font_create (scaled_font->font_face,
&scaled_font->font_matrix,
&ctm, &options);
}
if (num_glyphs > ARRAY_LENGTH (stack_glyphs)) {
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (unlikely (dev_glyphs == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto FINISH;
}
}
for (i = 0; i < num_glyphs; i++) {
dev_glyphs[i] = glyphs[i];
cairo_matrix_transform_point (&m,
&dev_glyphs[i].x,
&dev_glyphs[i].y);
}
status = cairo_matrix_invert (&m);
assert (status == CAIRO_STATUS_SUCCESS);
_copy_transformed_pattern (&source_copy.base, source, &m);
source = &source_copy.base;
} else {
if (! cairo_font_options_equal (&options, &scaled_font->options)) {
dev_scaled_font = cairo_scaled_font_create (scaled_font->font_face,
&scaled_font->font_matrix,
&scaled_font->ctm,
&options);
}
/* show_text_glyphs is special because _cairo_surface_show_text_glyphs is allowed
* to modify the glyph array that's passed in. We must always
* copy the array before handing it to the backend.
*/
if (num_glyphs > ARRAY_LENGTH (stack_glyphs)) {
dev_glyphs = _cairo_malloc_ab (num_glyphs, sizeof (cairo_glyph_t));
if (unlikely (dev_glyphs == NULL)) {
status = _cairo_error (CAIRO_STATUS_NO_MEMORY);
goto FINISH;
}
}
memcpy (dev_glyphs, glyphs, sizeof (cairo_glyph_t) * num_glyphs);
}
status = _cairo_surface_show_text_glyphs (wrapper->target, op, source,
utf8, utf8_len,
dev_glyphs, num_glyphs,
clusters, num_clusters,
cluster_flags,
dev_scaled_font,
dev_clip);
FINISH:
_cairo_clip_destroy (dev_clip);
if (dev_glyphs != stack_glyphs)
free (dev_glyphs);
if (dev_scaled_font != scaled_font)
cairo_scaled_font_destroy (dev_scaled_font);
return status;
}
void
draw_gdk_render_polygon_object (gerbv_net_t *oldNet, gerbv_image_t *image, double sr_x, double sr_y,
cairo_matrix_t *fullMatrix, cairo_matrix_t *scaleMatrix, GdkGC *gc, GdkGC *pgc,
GdkPixmap **pixmap) {
gerbv_net_t *currentNet;
gint x2,y2,cp_x=0,cp_y=0,cir_width=0;
GdkPoint *points = NULL;
int pointArraySize=0;
int curr_point_idx = 0;
int steps,i;
gdouble angleDiff, tempX, tempY;
/* save the first net in the polygon as the "ID" net pointer
in case we are saving this net to the selection array */
curr_point_idx = 0;
pointArraySize = 0;
for (currentNet = oldNet->next; currentNet!=NULL; currentNet = currentNet->next){
tempX = currentNet->stop_x + sr_x;
tempY = currentNet->stop_y + sr_y;
cairo_matrix_transform_point (fullMatrix, &tempX, &tempY);
x2 = (int)round(tempX);
y2 = (int)round(tempY);
/*
* If circle segment, scale and translate that one too
*/
if (currentNet->cirseg) {
tempX = currentNet->cirseg->width;
tempY = currentNet->cirseg->height;
cairo_matrix_transform_point (scaleMatrix, &tempX, &tempY);
cir_width = (int)round(tempX);
tempX = currentNet->cirseg->cp_x + sr_x;
tempY = currentNet->cirseg->cp_y + sr_y;
cairo_matrix_transform_point (fullMatrix, &tempX, &tempY);
cp_x = (int)round(tempX);
cp_y = (int)round(tempY);
}
switch (currentNet->interpolation) {
case GERBV_INTERPOLATION_x10 :
case GERBV_INTERPOLATION_LINEARx01 :
case GERBV_INTERPOLATION_LINEARx001 :
case GERBV_INTERPOLATION_LINEARx1 :
if (pointArraySize < (curr_point_idx + 1)) {
points = (GdkPoint *)g_realloc(points,sizeof(GdkPoint) * (curr_point_idx + 1));
pointArraySize = (curr_point_idx + 1);
}
points[curr_point_idx].x = x2;
points[curr_point_idx].y = y2;
curr_point_idx++;
break;
case GERBV_INTERPOLATION_CW_CIRCULAR :
case GERBV_INTERPOLATION_CCW_CIRCULAR :
/* we need to chop up the arc into small lines for rendering
with GDK */
angleDiff = currentNet->cirseg->angle2 - currentNet->cirseg->angle1;
steps = (int) abs(angleDiff);
if (pointArraySize < (curr_point_idx + steps)) {
points = (GdkPoint *)g_realloc(points,sizeof(GdkPoint) * (curr_point_idx + steps));
pointArraySize = (curr_point_idx + steps);
}
for (i=0; i<steps; i++){
points[curr_point_idx].x = cp_x + cir_width / 2.0 * cos ((currentNet->cirseg->angle1 +
(angleDiff * i) / steps)*M_PI/180);
points[curr_point_idx].y = cp_y - cir_width / 2.0 * sin ((currentNet->cirseg->angle1 +
(angleDiff * i) / steps)*M_PI/180);
curr_point_idx++;
}
break;
case GERBV_INTERPOLATION_PAREA_END :
gdk_gc_copy(pgc, gc);
gdk_gc_set_line_attributes(pgc, 1,
GDK_LINE_SOLID,
GDK_CAP_PROJECTING,
GDK_JOIN_MITER);
gdk_draw_polygon(*pixmap, pgc, 1, points, curr_point_idx);
g_free(points);
points = NULL;
return;
default:
break;
}
}
return;
}
void
_cairo_matrix_to_pixman_matrix (const cairo_matrix_t *matrix,
pixman_transform_t *pixman_transform,
double xc,
double yc)
{
static const pixman_transform_t pixman_identity_transform = {{
{1 << 16, 0, 0},
{ 0, 1 << 16, 0},
{ 0, 0, 1 << 16}
}};
if (_cairo_matrix_is_identity (matrix)) {
*pixman_transform = pixman_identity_transform;
} else {
cairo_matrix_t inv;
unsigned max_iterations;
pixman_transform->matrix[0][0] = _cairo_fixed_16_16_from_double (matrix->xx);
pixman_transform->matrix[0][1] = _cairo_fixed_16_16_from_double (matrix->xy);
pixman_transform->matrix[0][2] = _cairo_fixed_16_16_from_double (matrix->x0);
pixman_transform->matrix[1][0] = _cairo_fixed_16_16_from_double (matrix->yx);
pixman_transform->matrix[1][1] = _cairo_fixed_16_16_from_double (matrix->yy);
pixman_transform->matrix[1][2] = _cairo_fixed_16_16_from_double (matrix->y0);
pixman_transform->matrix[2][0] = 0;
pixman_transform->matrix[2][1] = 0;
pixman_transform->matrix[2][2] = 1 << 16;
/* The conversion above breaks cairo's translation invariance:
* a translation of (a, b) in device space translates to
* a translation of (xx * a + xy * b, yx * a + yy * b)
* for cairo, while pixman uses rounded versions of xx ... yy.
* This error increases as a and b get larger.
*
* To compensate for this, we fix the point (xc, yc) in pattern
* space and adjust pixman's transform to agree with cairo's at
* that point.
*/
if (_cairo_matrix_is_translation (matrix))
return;
/* Note: If we can't invert the transformation, skip the adjustment. */
inv = *matrix;
if (cairo_matrix_invert (&inv) != CAIRO_STATUS_SUCCESS)
return;
/* find the pattern space coordinate that maps to (xc, yc) */
xc += .5; yc += .5; /* offset for the pixel centre */
max_iterations = 5;
do {
double x,y;
pixman_vector_t vector;
cairo_fixed_16_16_t dx, dy;
vector.vector[0] = _cairo_fixed_16_16_from_double (xc);
vector.vector[1] = _cairo_fixed_16_16_from_double (yc);
vector.vector[2] = 1 << 16;
if (! pixman_transform_point_3d (pixman_transform, &vector))
return;
x = pixman_fixed_to_double (vector.vector[0]);
y = pixman_fixed_to_double (vector.vector[1]);
cairo_matrix_transform_point (&inv, &x, &y);
/* Ideally, the vector should now be (xc, yc).
* We can now compensate for the resulting error.
*/
x -= xc;
y -= yc;
cairo_matrix_transform_distance (matrix, &x, &y);
dx = _cairo_fixed_16_16_from_double (x);
dy = _cairo_fixed_16_16_from_double (y);
pixman_transform->matrix[0][2] -= dx;
pixman_transform->matrix[1][2] -= dy;
if (dx == 0 && dy == 0)
break;
} while (--max_iterations);
}
}
void
_cairo_matrix_transform_bounding_box (const cairo_matrix_t *matrix,
double *x1, double *y1,
double *x2, double *y2,
cairo_bool_t *is_tight)
{
int i;
double quad_x[4], quad_y[4];
double min_x, max_x;
double min_y, max_y;
if (matrix->xy == 0. && matrix->yx == 0.) {
/* non-rotation/skew matrix, just map the two extreme points */
if (matrix->xx != 1.) {
quad_x[0] = *x1 * matrix->xx;
quad_x[1] = *x2 * matrix->xx;
if (quad_x[0] < quad_x[1]) {
*x1 = quad_x[0];
*x2 = quad_x[1];
} else {
*x1 = quad_x[1];
*x2 = quad_x[0];
}
}
if (matrix->x0 != 0.) {
*x1 += matrix->x0;
*x2 += matrix->x0;
}
if (matrix->yy != 1.) {
quad_y[0] = *y1 * matrix->yy;
quad_y[1] = *y2 * matrix->yy;
if (quad_y[0] < quad_y[1]) {
*y1 = quad_y[0];
*y2 = quad_y[1];
} else {
*y1 = quad_y[1];
*y2 = quad_y[0];
}
}
if (matrix->y0 != 0.) {
*y1 += matrix->y0;
*y2 += matrix->y0;
}
if (is_tight)
*is_tight = TRUE;
return;
}
/* general matrix */
quad_x[0] = *x1;
quad_y[0] = *y1;
cairo_matrix_transform_point (matrix, &quad_x[0], &quad_y[0]);
quad_x[1] = *x2;
quad_y[1] = *y1;
cairo_matrix_transform_point (matrix, &quad_x[1], &quad_y[1]);
quad_x[2] = *x1;
quad_y[2] = *y2;
cairo_matrix_transform_point (matrix, &quad_x[2], &quad_y[2]);
quad_x[3] = *x2;
quad_y[3] = *y2;
cairo_matrix_transform_point (matrix, &quad_x[3], &quad_y[3]);
min_x = max_x = quad_x[0];
min_y = max_y = quad_y[0];
for (i=1; i < 4; i++) {
if (quad_x[i] < min_x)
min_x = quad_x[i];
if (quad_x[i] > max_x)
max_x = quad_x[i];
if (quad_y[i] < min_y)
min_y = quad_y[i];
if (quad_y[i] > max_y)
max_y = quad_y[i];
}
*x1 = min_x;
*y1 = min_y;
*x2 = max_x;
*y2 = max_y;
if (is_tight) {
/* it's tight if and only if the four corner points form an axis-aligned
rectangle.
And that's true if and only if we can derive corners 0 and 3 from
corners 1 and 2 in one of two straightforward ways...
We could use a tolerance here but for now we'll fall back to FALSE in the case
of floating point error.
*/
*is_tight =
(quad_x[1] == quad_x[0] && quad_y[1] == quad_y[3] &&
quad_x[2] == quad_x[3] && quad_y[2] == quad_y[0]) ||
(quad_x[1] == quad_x[3] && quad_y[1] == quad_y[0] &&
quad_x[2] == quad_x[0] && quad_y[2] == quad_y[3]);
}
}
void AffineTransform::map(double x, double y, double* x2, double* y2) const
{
*x2 = x;
*y2 = y;
cairo_matrix_transform_point(&m_transform, x2, y2);
}
static void
user_to_device_point (cairo_skia_context_t *cr, double *x, double *y)
{
cairo_matrix_transform_point (&cr->matrix, x, y);
cairo_matrix_transform_point (&cr->target->image.base.device_transform, x, y);
}
