static void iMatrixDrawImage(Ihandle* ih, int x1, int x2, int y1, int y2, int alignment, int marked, int active, int lin, int col, const char* name)
{
long bgcolor;
int x, y;
Ihandle* image;
iMatrixDrawSetCellClipping(ih, x1, x2, y1, y2);
/* Create an space between image and cell frame */
x1 += IMAT_PADDING_W/2; x2 -= IMAT_PADDING_W/2;
y1 += IMAT_PADDING_H/2; y2 -= IMAT_PADDING_H/2;
image = IupGetHandle(name);
if (image)
{
int width = IupGetInt(image, "WIDTH");
int height = IupGetInt(image, "HEIGHT");
unsigned char r = 255, g = 255, b = 255;
iupMatrixGetBgRGB(ih, lin, col, &r, &g, &b, marked, active);
bgcolor = cdEncodeColor(r, g, b);
y = (y2+y1 + height)/2;
if (alignment == IMAT_ALIGN_CENTER)
x = x1 + (x2-x1)/2 - width/2;
else if(alignment == IMAT_ALIGN_LEFT)
x = x1;
else /* RIGHT */
x = x2 - width;
cdIupDrawImage(ih->data->cd_canvas, image, x, iupMATRIX_INVERTYAXIS(ih, y), 0, 0, !active, bgcolor);
}
iMatrixDrawResetCellClipping(ih);
}
static void iMatrixDrawFeedbackImage(Ihandle* ih, int x1, int x2, int y1, int y2, int lin, int col, int active, int marked, const char*name, unsigned char* alpha)
{
int x, y;
Ihandle* image = IupGetHandle(name);
if (image)
{
long bgcolor;
int image_width = IupGetInt(image, "WIDTH");
int image_height = IupGetInt(image, "HEIGHT");
unsigned char r = 255, g = 255, b = 255;
iupMatrixGetBgRGB(ih, lin, col, &r, &g, &b, marked, active);
bgcolor = cdEncodeColor(r, g, b);
y = (y2 + y1 + image_height) / 2;
x = (x2 + x1 - image_width) / 2;
cdIupDrawImage(ih->data->cd_canvas, image, x, iupMATRIX_INVERTYAXIS(ih, y), 0, 0, !active, bgcolor);
}
else
{
static unsigned char red[IMAT_FEEDBACK_SIZE * IMAT_FEEDBACK_SIZE];
static unsigned char green[IMAT_FEEDBACK_SIZE * IMAT_FEEDBACK_SIZE];
static unsigned char blue[IMAT_FEEDBACK_SIZE * IMAT_FEEDBACK_SIZE];
static unsigned char last_r = 0, last_g = 0, last_b = 0;
static int first = 1;
unsigned char r = 0, g = 0, b = 0;
iupMatrixGetFgRGB(ih, lin, col, &r, &g, &b, marked, active);
if (first || last_r != r || last_g != g || last_b != b)
{
int count = IMAT_FEEDBACK_SIZE * IMAT_FEEDBACK_SIZE;
memset(red, r, count);
memset(green, g, count);
memset(blue, b, count);
last_r = r;
last_g = g;
last_b = b;
first = 0;
}
y = (y2 + y1 + IMAT_FEEDBACK_SIZE) / 2;
x = (x2 + x1 - IMAT_FEEDBACK_SIZE) / 2;
cdCanvasPutImageRectRGBA(ih->data->cd_canvas, IMAT_FEEDBACK_SIZE, IMAT_FEEDBACK_SIZE, red, green, blue, alpha, x, iupMATRIX_INVERTYAXIS(ih, y), IMAT_FEEDBACK_SIZE, IMAT_FEEDBACK_SIZE, 0, 0, 0, 0);
}
}
/* Change the CD foreground color, for the selected color to draw a cell with
its BACKGROUND COLOR. This involves checking if there is a color attribute
that cell. If no, uses a color attribute for the line, else if no for the
column, else if no for the entire matrix. Finally, if not find any of
these, use the default color.
-> lin, col - cell coordinates, in IUP format - i.e., l,l represents the left
top cell of the matrix; lin and col values = 0 represents the
title lines and columns.
-> mark - indicate if a cell is marked. If yes, its color is attenuated.
*/
static unsigned long iMatrixDrawSetBgColor(Ihandle* ih, int lin, int col, int mark, int active)
{
unsigned char r = 255, g = 255, b = 255;
iupMatrixGetBgRGB(ih, lin, col, &r, &g, &b);
if (mark)
{
r = IMAT_ATENUATION(r);
g = IMAT_ATENUATION(g);
b = IMAT_ATENUATION(b);
}
if (!active)
{
r = cdIupLIGTHER(r);
g = cdIupLIGTHER(g);
b = cdIupLIGTHER(b);
}
return cdCanvasForeground(ih->data->cddbuffer, cdEncodeColor(r, g, b));
}
/* Change the CD foreground color, for the selected color to draw a cell with
its BACKGROUND COLOR. This involves checking if there is a color attribute
that cell. If no, uses a color attribute for the line, else if no for the
column, else if no for the entire matrix. Finally, if not find any of
these, use the default color.
-> lin, col - cell coordinates, in IUP format - i.e., l,l represents the left
top cell of the matrix; lin and col values = 0 represents the
title lines and columns.
-> marked - indicate if a cell is marked. If yes, its color is attenuated.
*/
static unsigned long iMatrixDrawSetBgColor(Ihandle* ih, int lin, int col, int marked, int active)
{
unsigned char r = 255, g = 255, b = 255;
iupMatrixGetBgRGB(ih, lin, col, &r, &g, &b, marked, active);
return cdCanvasForeground(ih->data->cd_canvas, cdEncodeColor(r, g, b));
}