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nanovega/blendish/svg fixes (small)

This commit is contained in:
Ketmar Dark 2018-03-12 23:30:07 +02:00 committed by Adam D. Ruppe
parent 89e9886b97
commit 577489bf96
3 changed files with 51 additions and 59 deletions
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17
blendish.d
View File

@ -1702,31 +1702,30 @@ public void bndJoinAreaOverlay (NVGContext ctx, float x, float y, float w, float
/// returns the ideal width for a label with given icon and text
public float bndLabelWidth(T=char) (NVGContext ctx, int iconid, const(T)[] label) if (isAnyCharType!T) {
int w = BND_PAD_LEFT+BND_PAD_RIGHT;
float w = BND_PAD_LEFT+BND_PAD_RIGHT;
if (iconid >= 0) w += BND_ICON_SHEET_RES;
if (label && bndFont >= 0) {
if (label.length && bndFont >= 0) {
ctx.fontFaceId(bndFont);
ctx.fontSize(BND_LABEL_FONT_SIZE);
w += cast(int)ctx.textBounds(1, 1, label, null);
w += ctx.textBounds(1, 1, label, null);
}
//{ import core.stdc.stdio : printf; printf("len=%u; w=%d\n", cast(uint)label.length, cast(int)w); }
return w;
return cast(float)cast(int)(w+0.5);
}
/// returns the height for a label with given icon, text and width; this function is primarily useful in conjunction with multiline labels and textboxes
public float bndLabelHeight(T=char) (NVGContext ctx, int iconid, const(T)[] label, float width) if (isAnyCharType!T) {
int h = BND_WIDGET_HEIGHT;
float h = BND_WIDGET_HEIGHT;
width -= BND_TEXT_RADIUS*2;
if (iconid >= 0) width -= BND_ICON_SHEET_RES;
if (label && (bndFont >= 0)) {
if (label.length && bndFont >= 0) {
ctx.fontFaceId(bndFont);
ctx.fontSize(BND_LABEL_FONT_SIZE);
float[4] bounds = void;
ctx.textBoxBounds(1, 1, width, label, bounds[]);
int bh = cast(int)(bounds[3]-bounds[1])+BND_TEXT_PAD_DOWN;
float bh = (bounds[3]-bounds[1])+BND_TEXT_PAD_DOWN;
if (bh > h) h = bh;
}
return h;
return cast(float)cast(int)(h+0.5);
}

59
nanovega.d
View File

@ -1559,7 +1559,11 @@ public int height (NVGContext ctx) pure nothrow @trusted @nogc { pragma(inline,
/// valid only inside [beginFrame]/[endFrame]
/// Group: context_management
public float devicePixelRatio (NVGContext ctx) pure nothrow @trusted @nogc { pragma(inline, true); return (ctx !is null ? ctx.mDeviceRatio : float.nan); }
public float devicePixelRatio (NVGContext ctx) pure nothrow @trusted @nogc { pragma(inline, true); return (ctx !is null ? ctx.devicePxRatio : float.nan); }
/// Returns `true` if [beginFrame] was called, and neither [endFrame], nor [cancelFrame] were.
/// Group: context_management
public bool inFrame (NVGContext ctx) pure nothrow @trusted @nogc { pragma(inline, true); return (ctx !is null && ctx.contextAlive ? ctx.nstates > 0 : false); }
// path autoregistration
@ -1629,7 +1633,6 @@ private:
// internals
NVGMatrix gpuAffine;
int mWidth, mHeight;
float mDeviceRatio;
// image manager
int imageCount; // number of alive images in this context
bool contextAlive; // context can be dead, but still contain some images
@ -1824,7 +1827,7 @@ NVGCompositeOperationState nvg__compositeOperationState (NVGCompositeOperation o
NVGstate* nvg__getState (NVGContext ctx) pure nothrow @trusted @nogc {
pragma(inline, true);
return &ctx.states.ptr[ctx.nstates-1];
return &ctx.states.ptr[ctx.nstates-(ctx.nstates > 0 ? 1 : 0)];
}
// Constructor called by the render back-end.
@ -1854,6 +1857,7 @@ NVGContext createInternal (NVGparams* params) nothrow @trusted @nogc {
ctx.reset();
nvg__setDevicePixelRatio(ctx, 1.0f);
ctx.mWidth = ctx.mHeight = 0;
if (!ctx.params.renderCreate(ctx.params.userPtr)) goto error;
@ -1965,6 +1969,7 @@ public void beginFrame (NVGContext ctx, int windowWidth, int windowHeight, float
ctx.drawCallCount, ctx.fillTriCount, ctx.strokeTriCount, ctx.textTriCount,
ctx.fillTriCount+ctx.strokeTriCount+ctx.textTriCount);
*/
if (ctx.nstates > 0) ctx.cancelFrame();
if (windowWidth < 1) windowWidth = 1;
if (windowHeight < 1) windowHeight = 1;
@ -1981,7 +1986,6 @@ public void beginFrame (NVGContext ctx, int windowWidth, int windowHeight, float
ctx.params.renderViewport(ctx.params.userPtr, windowWidth, windowHeight);
ctx.mWidth = windowWidth;
ctx.mHeight = windowHeight;
ctx.mDeviceRatio = devicePixelRatio;
ctx.recset = null;
ctx.recstart = -1;
@ -2003,9 +2007,8 @@ public void beginFrame (NVGContext ctx, int windowWidth, int windowHeight, float
/// Group: frame_management
public void cancelFrame (NVGContext ctx) nothrow @trusted @nogc {
ctx.cancelRecording();
ctx.mWidth = 0;
ctx.mHeight = 0;
ctx.mDeviceRatio = 0;
//ctx.mWidth = 0;
//ctx.mHeight = 0;
// cancel render queue
ctx.params.renderCancel(ctx.params.userPtr);
// clear saved states (this may free some textures)
@ -2018,9 +2021,8 @@ public void cancelFrame (NVGContext ctx) nothrow @trusted @nogc {
public void endFrame (NVGContext ctx) nothrow @trusted @nogc {
if (ctx.recset !is null) ctx.recset.takeCurrentPickScene(ctx);
ctx.stopRecording();
ctx.mWidth = 0;
ctx.mHeight = 0;
ctx.mDeviceRatio = 0;
//ctx.mWidth = 0;
//ctx.mHeight = 0;
// flush render queue
NVGstate* state = nvg__getState(ctx);
ctx.params.renderFlush(ctx.params.userPtr);
@ -8392,15 +8394,13 @@ public float textBounds(T) (NVGContext ctx, float x, float y, const(T)[] str, fl
if (isAnyCharType!T)
{
NVGstate* state = nvg__getState(ctx);
float scale = nvg__getFontScale(state)*ctx.devicePxRatio;
float invscale = 1.0f/scale;
float width;
if (state.fontId == FONS_INVALID) {
bounds[] = 0;
return 0;
}
immutable float scale = nvg__getFontScale(state)*ctx.devicePxRatio;
fonsSetSize(ctx.fs, state.fontSize*scale);
fonsSetSpacing(ctx.fs, state.letterSpacing*scale);
fonsSetBlur(ctx.fs, state.fontBlur*scale);
@ -8408,7 +8408,8 @@ if (isAnyCharType!T)
fonsSetFont(ctx.fs, state.fontId);
float[4] b = void;
width = fonsTextBounds(ctx.fs, x*scale, y*scale, str, b[]);
immutable float width = fonsTextBounds(ctx.fs, x*scale, y*scale, str, b[]);
immutable float invscale = 1.0f/scale;
if (bounds.length) {
// use line bounds for height
fonsLineBounds(ctx.fs, y*scale, b.ptr+1, b.ptr+3);
@ -11180,37 +11181,22 @@ if (isAnyCharType!T)
miny = maxy = y;
startx = x;
static if (is(T == char)) {
foreach (char ch; str) {
foreach (T ch; str) {
static if (T.sizeof == 1) {
//if (fons__decutf8(&utf8state, &codepoint, *cast(const(ubyte)*)str)) continue;
mixin(DecUtfMixin!("utf8state", "codepoint", "(cast(ubyte)ch)"));
if (utf8state) continue;
glyph = fons__getGlyph(stash, font, codepoint, isize, iblur, FONS_GLYPH_BITMAP_OPTIONAL);
if (glyph !is null) {
fons__getQuad(stash, font, prevGlyphIndex, glyph, isize/10.0f, scale, state.spacing, &x, &y, &q);
if (q.x0 < minx) minx = q.x0;
if (q.x1 > maxx) maxx = q.x1;
if (stash.params.flags&FONS_ZERO_TOPLEFT) {
if (q.y0 < miny) miny = q.y0;
if (q.y1 > maxy) maxy = q.y1;
} else {
if (q.y1 < miny) miny = q.y1;
if (q.y0 > maxy) maxy = q.y0;
}
prevGlyphIndex = glyph.index;
} else {
prevGlyphIndex = -1;
}
}
} else {
foreach (T ch; str) {
static if (is(T == dchar)) {
static if (T.sizeof == 4) {
if (ch > dchar.max) ch = 0xFFFD;
}
codepoint = cast(uint)ch;
}
glyph = fons__getGlyph(stash, font, codepoint, isize, iblur, FONS_GLYPH_BITMAP_OPTIONAL);
if (glyph !is null) {
//{ import core.stdc.stdio; printf("0: x=%g; y=%g\n", cast(double)x, cast(double)y); }
fons__getQuad(stash, font, prevGlyphIndex, glyph, isize/10.0f, scale, state.spacing, &x, &y, &q);
//{ import core.stdc.stdio; printf("1: x=%g; y=%g\n", cast(double)x, cast(double)y); }
if (q.x0 < minx) minx = q.x0;
if (q.x1 > maxx) maxx = q.x1;
if (stash.params.flags&FONS_ZERO_TOPLEFT) {
@ -11222,12 +11208,13 @@ if (isAnyCharType!T)
}
prevGlyphIndex = glyph.index;
} else {
//{ import core.stdc.stdio; printf("NO GLYPH FOR 0x%04x\n", cast(uint)codepoint); }
prevGlyphIndex = -1;
}
}
}
advance = x-startx;
//{ import core.stdc.stdio; printf("***: x=%g; startx=%g; advance=%g\n", cast(double)x, cast(double)startx, cast(double)advance); }
// Align horizontally
if (state.talign.left) {

6
svg.d
View File

@ -4029,6 +4029,12 @@ void nsvg__flattenCubicBez (NSVGrasterizer r, in float x1, in float y1, in float
immutable x1234 = (x123+x234)*0.5f;
immutable y1234 = (y123+y234)*0.5f;
// "taxicab" / "manhattan" check for flat curves
if (fabsf(x1+x3-x2-x2)+fabsf(y1+y3-y2-y2)+fabsf(x2+x4-x3-x3)+fabsf(y2+y4-y3-y3) < r.tessTol/4) {
nsvg__addPathPoint(r, x1234, y1234, type);
return;
}
nsvg__flattenCubicBez(r, x1, y1, x12, y12, x123, y123, x1234, y1234, level+1, 0);
nsvg__flattenCubicBez(r, x1234, y1234, x234, y234, x34, y34, x4, y4, level+1, type);
}