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| author | Robin Watts <robin.watts@artifex.com> | 2016-04-12 13:17:02 +0100 |
|---|---|---|
| committer | Robin Watts <robin.watts@artifex.com> | 2016-04-28 12:30:41 +0100 |
| commit | 3dc16d54db4669415412bb44790d4653962747f6 (patch) | |
| tree | f45096e35afbd29f22e4e2c7c2a16c61ec9da468 /source/fitz/draw-device.c | |
| parent | b944f16a564f8a31d9a064980318ad690be31f8e (diff) | |
| download | mupdf-3dc16d54db4669415412bb44790d4653962747f6.tar.xz | |
Introduce tuning context.
For now, just use it for controlling image decoding and image scaling.
Diffstat (limited to 'source/fitz/draw-device.c')
| -rw-r--r-- | source/fitz/draw-device.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/source/fitz/draw-device.c b/source/fitz/draw-device.c index 4108cf09..c32b8f60 100644 --- a/source/fitz/draw-device.c +++ b/source/fitz/draw-device.c @@ -1092,6 +1092,13 @@ fz_transform_pixmap(fz_context *ctx, fz_draw_device *dev, const fz_pixmap *image return NULL; } +int +fz_default_image_scale(void *arg, int dst_w, int dst_h, int src_w, int src_h) +{ + (void)arg; + return dst_w < src_w && dst_h < src_h; +} + static void fz_draw_fill_image(fz_context *ctx, fz_device *devp, fz_image *image, const fz_matrix *ctm, float alpha) { @@ -1182,7 +1189,7 @@ fz_draw_fill_image(fz_context *ctx, fz_device *devp, fz_image *image, const fz_m pixmap = converted; } - if (dx < pixmap->w && dy < pixmap->h && !(devp->hints & FZ_DONT_INTERPOLATE_IMAGES)) + if (!(devp->hints & FZ_DONT_INTERPOLATE_IMAGES) && ctx->tuning->image_scale(ctx->tuning->image_scale_arg, dx, dy, pixmap->w, pixmap->h)) { int gridfit = alpha == 1.0f && !(dev->flags & FZ_DRAWDEV_FLAGS_TYPE3); scaled = fz_transform_pixmap(ctx, dev, pixmap, &local_ctm, state->dest->x, state->dest->y, dx, dy, gridfit, &clip); @@ -1300,7 +1307,7 @@ fz_draw_fill_image_mask(fz_context *ctx, fz_device *devp, fz_image *image, const if (state->blendmode & FZ_BLEND_KNOCKOUT) state = fz_knockout_begin(ctx, dev); - if (dx < pixmap->w && dy < pixmap->h) + if (ctx->tuning->image_scale(ctx->tuning->image_scale_arg, dx, dy, pixmap->w, pixmap->h)) { int gridfit = alpha == 1.0f && !(dev->flags & FZ_DRAWDEV_FLAGS_TYPE3); scaled = fz_transform_pixmap(ctx, dev, pixmap, &local_ctm, state->dest->x, state->dest->y, dx, dy, gridfit, &clip); @@ -1409,7 +1416,7 @@ fz_draw_clip_image_mask(fz_context *ctx, fz_device *devp, fz_image *image, const state[1].blendmode |= FZ_BLEND_ISOLATED; state[1].scissor = bbox; - if (dx < pixmap->w && dy < pixmap->h) + if (ctx->tuning->image_scale(ctx->tuning->image_scale_arg, dx, dy, pixmap->w, pixmap->h)) { int gridfit = !(dev->flags & FZ_DRAWDEV_FLAGS_TYPE3); scaled = fz_transform_pixmap(ctx, dev, pixmap, &local_ctm, state->dest->x, state->dest->y, dx, dy, gridfit, &clip); |