LIBAROMA_CANVASP libaroma_svg_ex(
LIBAROMA_STREAMP stream,
byte freeStream,
byte use_px) {
LIBAROMA_CANVASP cv = NULL;
if (!stream) {
return NULL;
}
char * data = libaroma_stream_to_string(stream,0);
if (data){
NSVGimage *image = NULL;
if (!use_px){
image=nsvgParse(data, "dp", ((float) libaroma_fb()->dpi));
}
else{
image=nsvgParse(data, "px", ((float) libaroma_fb()->dpi));
}
free(data);
if (image == NULL) {
ALOGW("libaroma_svg: Could not open SVG image.");
goto exit;
}
NSVGrasterizer *rast =nsvgCreateRasterizer();
if (rast == NULL) {
printf("libaroma_svg: Could not init rasterizer.");
nsvgDelete(image);
goto exit;
}
if (!use_px){
cv = libaroma_canvas_ex(libaroma_dp(image->width),libaroma_dp(image->height),1);
}
else{
cv = libaroma_canvas_ex(image->width,image->height,1);
}
libaroma_canvas_setcolor(cv,0,0);
nsvgRasterize(rast,image,0,0,1,cv);
nsvgDelete(image);
nsvgDeleteRasterizer(rast);
}
exit:
if (freeStream) {
libaroma_stream_close(stream);
}
return cv;
}
/*
* Function : libaroma_blur_ex
* Return Value: LIBAROMA_CANVASP
* Descriptions: create new blur-ed canvas - extended
*/
LIBAROMA_CANVASP libaroma_blur_ex(
LIBAROMA_CANVASP src,
const int inRadius,
byte isMask,
word maskColor
) {
if (inRadius < 1) {
return NULL;
}
byte usealpha = (src->alpha ? 1 : 0);
if (isMask && !usealpha) {
return NULL;
}
float * kernel = _libaroma_blur_kernel(inRadius);
int radius2 = inRadius * 2;
int pixels_on_row = radius2 + 1;
int height = src->h;
int width = src->w;
int x, y, o;
int nwidth = width + radius2;
int nheight = height + radius2;
LIBAROMA_CANVASP t1 = libaroma_canvas_ex(nwidth, nheight, usealpha);
if (!t1) {
return NULL;
}
LIBAROMA_CANVASP t2 = libaroma_canvas_ex(nwidth, nheight, usealpha);
if (!t2) {
libaroma_canvas_free(t1);
return NULL;
}
libaroma_canvas_setcolor(t1,0,0);
if (isMask) {
libaroma_canvas_setcolor(t2,maskColor,0);
}
else {
libaroma_canvas_setcolor(t2,0,0);
}
int sz = nwidth * nheight;
if (usealpha) {
memset(t1->alpha, 0, sz);
memset(t2->alpha, 0, sz);
}
int r, g, b, a;
/* X PASS */
for (y = 0; y < height; y++) {
int row = y * src->l;
int drw = (y + inRadius) * t1->l;
for (x = 0; x < nwidth; x++) {
r = g = b = a = 0;
for (o = 0; o < pixels_on_row; o++) {
int sx = (x - radius2) + o;
if (!libaroma_draw_limited(sx, width)) {
int pos = row + sx;
if (!isMask) {
word c = src->data[pos];
r += libaroma_color_r(c) * kernel[o];
g += libaroma_color_g(c) * kernel[o];
b += libaroma_color_b(c) * kernel[o];
}
if (usealpha) {
a += src->alpha[pos] * kernel[o];
}
}
}
int dpos = drw + x;
if (!isMask) {
r = MAX(MIN(r, 0xff), 0);
g = MAX(MIN(g, 0xff), 0);
b = MAX(MIN(b, 0xff), 0);
t1->data[dpos] = libaroma_dither_rgb(x, y, r, g, b);
if (usealpha) {
a = MAX(MIN(a, 0xff), 0);
t1->alpha[dpos] = a;
}
}
else {
a = MAX(MIN(a, 0xff), 0);
t1->alpha[dpos] = a;
}
}
}
/* Y PASS */
for (y = 0; y < nheight; y++) {
int row = y * t1->l;
for (x = 0; x < nwidth; x++) {
r = g = b = a = 0;
for (o = 0; o < pixels_on_row; o++) {
int sy = (y - inRadius) + o;
if (!libaroma_draw_limited(sy, nheight)) {
int pos = (sy * t1->l) + x;
if (!isMask) {
word c = t1->data[pos];
r += libaroma_color_r(c) * kernel[o];
g += libaroma_color_g(c) * kernel[o];
b += libaroma_color_b(c) * kernel[o];
}
if (usealpha) {
a += t1->alpha[pos] * kernel[o];
}
}
}
int dpos = row + x;
if (!isMask) {
r = MAX(MIN(r, 0xff), 0);
g = MAX(MIN(g, 0xff), 0);
b = MAX(MIN(b, 0xff), 0);
t2->data[dpos] = libaroma_dither_rgb(x, y, r, g, b);
if (usealpha) {
a = MAX(MIN(a, 0xff), 0);
t2->alpha[dpos] = a;
}
}
else {
a = MAX(MIN(a, 0xff), 0);
t2->alpha[dpos] = a;
}
}
}
free(kernel);
libaroma_canvas_free(t1);
return t2;
} /* End of libaroma_blur_ex */
/*
* Function : libaroma_text_draw_line_ex
* Return Value: int
* Descriptions: draw text line
*/
int libaroma_text_draw_line_ex(
LIBAROMA_CANVASP dest,
LIBAROMA_TEXT text,
int dx,
int dy,
int line,
byte isshadow,
int radius,
word shadow_color,
byte shadow_opacity
) {
if (!dest) {
dest = libaroma_fb()->canvas;
}
if ((dy > dest->h) || (dx > dest->w)) {
return 0;
}
if (text) {
_LIBAROMA_TEXTP txt = (_LIBAROMA_TEXTP) text;
if (line > txt->n - 1) {
return 0;
}
else if (line < 0) {
return 0;
}
_LIBAROMA_TEXTLINEP line_txt = txt->lines[line];
_libaroma_pubtext_lock(1);
if (line_txt->span) {
if (!isshadow) {
libaroma_textline_draw(
dest,
line_txt,
dx,
dy - line_txt->y, 0, 0);
}
else if (isshadow>=10) {
libaroma_textline_draw(
dest,
line_txt,
dx,
dy - line_txt->y, 1, shadow_color);
}
else if (radius > 0) {
byte light = (isshadow == 2) ? 1 : 0;
int w = line_txt->maxx - line_txt->minx;
int h = line_txt->lineheight * 1.5;
int xx, yy;
LIBAROMA_CANVASP cv = libaroma_canvas_ex(w, h, 0);
word trans_color = (light) ? 0xffff : 0x0000;
word fore_color = (light) ? 0x0000 : 0xffff;
libaroma_canvas_setcolor(cv, trans_color, 0);
libaroma_textline_draw(
cv,
line_txt,
0 - line_txt->minx,
0 - line_txt->y, 1, fore_color);
cv->alpha = (bytep) calloc(cv->s,1);
for (yy = 0; yy < cv->h; yy++) {
int row = cv->l * yy;
for (xx = 0; xx < cv->w; xx++) {
int pos = row + xx;
word c = cv->data[pos];
if (trans_color == c) {
cv->alpha[pos] = 0;
}
else {
cv->alpha[pos] = shadow_opacity;
}
}
}
LIBAROMA_CANVASP gb = libaroma_blur_ex(cv, radius, 1, shadow_color);
if (gb) {
libaroma_draw(
dest,
gb,
(dx - radius) + line_txt->minx,
(dy) - radius,
1);
libaroma_canvas_free(gb);
}
libaroma_canvas_free(cv);
}
}
_libaroma_pubtext_lock(0);
return line_txt->lineheight;
}
return 0;
} /* End of libaroma_text_draw_line_ex */
/*
* Function : libaroma_art_busy_progress
* Return Value: LIBAROMA_CANVASP
* Descriptions: create busy progress sprite canvas
*/
LIBAROMA_CANVASP libaroma_art_busy_progress(
word basecolor) {
int i, j;
/* calculate size */
int dp1 = libaroma_dp(1);
int dp36 = libaroma_dp(36);
int dp72 = libaroma_dp(72);
int dp144 = dp72 * 2;
int dp288 = dp144 * 2;
int dp28 = libaroma_dp(28);
int dp56 = dp28 * 2;
int dp116 = dp144 - dp28;
/* main + temp canvas */
LIBAROMA_CANVASP load = libaroma_canvas_ex(dp72 * 13, dp72, 1);
if (!load){
return NULL;
}
LIBAROMA_CANVASP load1 = libaroma_canvas_ex(dp288, dp288, 1);
if (!load1){
libaroma_canvas_free(load);
return NULL;
}
LIBAROMA_CANVASP load2 = libaroma_canvas_ex(dp56, dp56, 1);
if (!load2){
libaroma_canvas_free(load1);
libaroma_canvas_free(load);
return NULL;
}
/* cleanup */
libaroma_canvas_setcolor(load, 0x0000, 0);
/* frame loop */
for (j = 0; j < 13; j++) {
/* angle per frame */
double added = ((27.69230769230769 * j) / 360);
/* cleanup load1 */
libaroma_canvas_setcolor(load1, 0x0000, 0);
/* circle draw */
for (i = 0; i < 12; i++) {
/* position */
double angle = 2 * __PI * ((((double) i) / 12.0) + added);
int xpos = round(dp116 * cos(angle));
int ypos = round(dp116 * sin(angle));
/* cleanup load2 */
libaroma_canvas_setcolor(load2, 0x0000, 0);
int b = 2;
/* draw */
libaroma_gradient_ex(
load2,
b * dp1,
b * dp1,
dp56 - (b * dp1 * 2),
dp56 - (b * dp1 * 2),
basecolor,
basecolor,
dp28,
0x1111,
MIN(0xff, ((i + 1) * 18) + 39),
MIN(0xff, ((i + 1) * 18))
);
/* Stretch Copy to load1 */
libaroma_draw_scale_smooth(
load1,
load2,
dp144 + xpos - dp28,
dp144 + ypos - dp28,
dp56,
dp56,
0,
0,
dp56,
dp56
);
}
/* Stretch Copy to load canvas */
libaroma_draw_scale_smooth(
load,
load1,
j * dp72,
0,
dp72,
dp72,
0,
0,
dp288,
dp288
);
}
/* free temp canvases */
libaroma_canvas_free(load1);
libaroma_canvas_free(load2);
/* return canvas */
LIBAROMA_CANVASP load_out =
libaroma_canvas_ex(dp36 * 13, dp36, 1);
if (!load_out){
libaroma_canvas_free(load);
return NULL;
}
libaroma_canvas_setcolor(load_out, 0x0000, 0);
/* draw */
libaroma_draw_scale_smooth(
load_out, load,
0, 0, dp36 * 13, dp36,
0, 0, dp72 * 13, dp72
);
libaroma_canvas_free(load);
return load_out;
} /* End of libaroma_art_busy_progress */
