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add optional --forceBWtext to gm, forcing all text to BW to ease

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comparisons between platform variations (e.g. mac 10.5,6,7)

probably only make sense in conjunction with some flag on GM allowing
the slide to opt in-or-out, so we only hack text labels, and not GMs
that are explicitly trying to test text rendering.



git-svn-id: http://skia.googlecode.com/svn/trunk@2938 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
mike@reedtribe.org 2011-12-30 16:02:53 +00:00
parent 27442af204
commit 10afbefa5b
1 changed files with 33 additions and 5 deletions
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38
gm/gmmain.cpp
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@ -23,6 +23,8 @@
#include "SkStream.h"
#include "SkRefCnt.h"
static bool gForceBWtext;
extern bool gSkSuppressFontCachePurgeSpew;
#ifdef SK_SUPPORT_PDF
@ -240,6 +242,29 @@ static void setup_bitmap(const ConfigData& gRec, SkISize& size,
bitmap->eraseColor(0);
}
#include "SkDrawFilter.h"
class BWTextDrawFilter : public SkDrawFilter {
public:
virtual void filter(SkPaint*, Type) SK_OVERRIDE;
};
void BWTextDrawFilter::filter(SkPaint* p, Type t) {
if (kText_Type == t) {
p->setAntiAlias(false);
}
}
static void installFilter(SkCanvas* canvas) {
if (gForceBWtext) {
canvas->setDrawFilter(new BWTextDrawFilter)->unref();
}
}
static void invokeGM(GM* gm, SkCanvas* canvas) {
installFilter(canvas);
gm->draw(canvas);
canvas->setDrawFilter(NULL);
}
static ErrorBitfield generate_image(GM* gm, const ConfigData& gRec,
GrContext* context,
GrRenderTarget* rt,
@ -249,14 +274,14 @@ static ErrorBitfield generate_image(GM* gm, const ConfigData& gRec,
SkCanvas canvas(*bitmap);
if (gRec.fBackend == kRaster_Backend) {
gm->draw(&canvas);
invokeGM(gm, &canvas);
} else { // GPU
if (NULL == context) {
return ERROR_NO_GPU_CONTEXT;
}
SkGpuCanvas gc(context, rt);
gc.setDevice(new SkGpuDevice(context, rt))->unref();
gm->draw(&gc);
invokeGM(gm, &gc);
// the device is as large as the current rendertarget, so we explicitly
// only readback the amount we expect (in size)
// overwrite our previous allocation
@ -272,6 +297,7 @@ static void generate_image_from_picture(GM* gm, const ConfigData& gRec,
SkISize size = gm->getISize();
setup_bitmap(gRec, size, bitmap);
SkCanvas canvas(*bitmap);
installFilter(&canvas);
canvas.drawPicture(*pict);
}
@ -284,7 +310,7 @@ static void generate_pdf(GM* gm, SkDynamicMemoryWStream& pdf) {
SkAutoUnref aur(dev);
SkCanvas c(dev);
gm->draw(&c);
invokeGM(gm, &c);
SkPDFDocument doc;
doc.appendPage(dev);
@ -312,7 +338,7 @@ static void generate_xps(GM* gm, SkDynamicMemoryWStream& xps) {
SkCanvas c(dev);
dev->beginPortfolio(&xps);
dev->beginSheet(unitsPerMeter, pixelsPerMeter, trimSize);
gm->draw(&c);
invokeGM(gm, &c);
dev->endSheet();
dev->endPortfolio();
@ -420,7 +446,7 @@ static SkPicture* generate_new_picture(GM* gm) {
// Pictures are refcounted so must be on heap
SkPicture* pict = new SkPicture;
SkCanvas* cv = pict->beginRecording(1000, 1000);
gm->draw(cv);
invokeGM(gm, cv);
pict->endRecording();
return pict;
@ -607,6 +633,8 @@ int main(int argc, char * const argv[]) {
if (argv < stop && **argv) {
diffPath = *argv;
}
} else if (strcmp(*argv, "--forceBWtext") == 0) {
gForceBWtext = true;
} else if (strcmp(*argv, "--noreplay") == 0) {
doReplay = false;
} else if (strcmp(*argv, "--nopdf") == 0) {